How long is the flight from Ottawa to United Kingdom?

Airlines like Air Transat, Virgin Atlantic, and United Airlines fly from Ottawa to United Kingdom in about 12h 05m. The time it takes to get you to your destination can typically vary by up to 3h 55m. There are 5118 km between Ottawa and United Kingdom. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to fly from Ottawa to United Kingdom one-way?

One-way options have recently been found by users for as low as C$ 54 on WestJet. Other airlines that offer cheap prices include Air Transat from C$ 357 and Porter Airlines from C$ 380 one-way.

In terms of precipitation, rainfall in United Kingdom ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit United Kingdom when rainfall is around 40.0 mm.

If weather is an important factor for your trip to United Kingdom, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Ottawa to United Kingdom?

While some choose either Ottawa - London Gatwick or Ottawa - London City, Ottawa - London Heathrow is the most popular route from Ottawa to United Kingdom.

What are the cheapest flights from Ottawa to United Kingdom?

Looking for the cheapest flight from Ottawa to United Kingdom? While on average our users pay C$ 1,553, our data indicates the cheapest price to be C$ 763. The most popular route (Ottawa - London Heathrow), is priced around C$ 924.

What are the most reliable airlines from Ottawa to United Kingdom?

No one likes to see their flight delayed. When booking a flight from Ottawa to United Kingdom consider choosing United Airlines (59%), Air Canada (59%) or Aegean Airlines (59%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Ottawa to United Kingdom?

Before booking your flight from Ottawa to United Kingdom check out the most popular airlines for this route: Air Canada, Air Transat or Lufthansa.

What airport do you fly from for flights from Ottawa to United Kingdom?

If you book a flight to United Kingdom from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa.

Can I find deals for flights from Ottawa to United Kingdom that include hotel bookings?

Yes. In addition to deals on Ottawa to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ottawa to United Kingdom?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to United Kingdom.

Can I find deals for business class flights from Ottawa to United Kingdom?

Yes. Cheapflights offers flight deals from Ottawa to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 445+ Cheap Flights from Ottawa to the United Kingdom

Cheap flight deals from Ottawa to United Kingdom

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Ottawa to United Kingdom
Explore the most affordable flight options available from Ottawa to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Thu 5/119:00 a.m. -

2 stops31h 10m

Thu 12/117:05 p.m. -

3 stops24h 02m

Deal found 24/10C$ 872

Fri 13/112:00 p.m. -

1 stop16h 20m

Sun 15/1111:05 a.m. -

2 stops32h 02m

Deal found 23/10C$ 924

Thu 12/115:40 p.m. -

2 stops22h 25m

Tue 17/115:25 p.m. -

3 stops34h 07m

Deal found 20/10C$ 989

Fri 13/1110:50 a.m. -

2 stops18h 25m

Wed 18/118:00 a.m. -

2 stops16h 47m

Deal found 21/10C$ 1,028

Fri 13/1110:50 a.m. -

2 stops23h 15m

Tue 17/118:05 a.m. -

3 stops20h 50m

Deal found 20/10C$ 1,038

Sat 5/1210:50 a.m. -

2 stops21h 30m

Sat 12/125:45 a.m. -

2 stops24h 55m

Deal found 21/10C$ 1,039

Tue 8/125:25 p.m. -

1 stop12h 05m

Tue 15/126:20 a.m. -

1 stop13h 40m

Deal found 24/10C$ 1,045

Thu 3/123:10 p.m. -

2 stops14h 40m

Wed 9/126:35 a.m. -

2 stops17h 52m

Deal found 20/10C$ 1,047

Tue 3/114:46 p.m. -

1 stop34h 09m

Sat 7/116:35 a.m. -

2 stops17h 52m

Deal found 22/10C$ 1,049

Wed 28/109:45 a.m. -

1 stop21h 05m

Wed 4/116:35 a.m. -

2 stops37h 32m

Deal found 20/10C$ 1,050

Wed 4/113:10 p.m. -

1 stop24h 25m

Wed 11/116:50 a.m. -

2 stops20h 06m

Deal found 21/10C$ 1,052

Fri 6/1110:30 a.m. -

2 stops14h 50m

Mon 9/116:50 a.m. -

2 stops17h 37m

Deal found 20/10C$ 1,053

Best flights from Ottawa to United Kingdom
Discover carefully curated flight deals from Ottawa to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

Wed 14/41:45 p.m. -

1 stop16h 00m

Fri 30/412:40 p.m. -

1 stop17h 10m

Deal found 24/10C$ 916

Tue 8/125:25 p.m. -

1 stop12h 05m

Tue 15/126:20 a.m. -

1 stop13h 40m

Deal found 24/10C$ 1,045

Tue 17/112:00 p.m. -

2 stops14h 10m

Tue 24/116:35 a.m. -

2 stops17h 52m

Deal found 20/10C$ 1,047

Tue 8/125:25 p.m. -

2 stops14h 30m

Tue 15/126:20 a.m. -

1 stop13h 40m

Deal found 24/10C$ 1,087

Thu 4/310:20 a.m. -

1 stop18h 25m

Sun 14/311:40 a.m. -

1 stop24h 33m

Deal found 20/10C$ 1,088

Tue 8/125:25 p.m. -

2 stops18h 05m

Tue 15/125:40 a.m. -

2 stops14h 20m

Deal found 24/10C$ 1,123

Tue 8/125:25 p.m. -

2 stops18h 15m

Tue 15/125:50 a.m. -

2 stops14h 10m

Deal found 24/10C$ 1,129

Sun 22/118:30 p.m. -

1 stop31h 15m

Thu 26/1111:30 a.m. -

1 stop12h 15m

Deal found 23/10C$ 1,161

Tue 16/212:10 p.m. -

2 stops17h 40m

Sun 7/39:10 a.m. -

2 stops19h 40m

Deal found 23/10C$ 1,164

Wed 2/124:10 p.m. -

2 stops35h 10m

Sat 12/126:45 p.m. -

3 stops32h 47m

Deal found 21/10C$ 1,344

Tue 16/310:20 a.m. -

2 stops21h 10m

Sat 27/36:35 a.m. -

2 stops39h 23m

Deal found 23/10C$ 1,353

Sun 17/12:00 p.m. -

2 stops14h 50m

Sun 7/210:40 a.m. -

2 stops20h 00m

Deal found 22/10C$ 1,444

Wed 21/46:00 a.m. -

2 stops19h 55m

Mon 26/47:25 a.m. -

2 stops30h 46m

Deal found 22/10C$ 1,067

Fri 6/116:15 a.m. -

1 stop20h 40m

Sun 6/1212:05 p.m. -

2 stops30h 06m

Deal found 21/10C$ 1,067

Fri 4/122:00 p.m. -

2 stops20h 10m

Fri 11/128:45 a.m. -

2 stops15h 45m

Deal found 20/10C$ 1,182

Sat 6/35:30 a.m. -

2 stops22h 40m

Fri 12/35:20 p.m. -

2 stops26h 40m

Deal found 24/10C$ 1,192

Mon 7/128:50 a.m. -

2 stops18h 55m

Mon 14/126:10 a.m. -

2 stops18h 42m

Deal found 23/10C$ 1,196

Mon 7/1210:05 a.m. -

2 stops22h 40m

Mon 14/1212:30 p.m. -

2 stops36h 00m

Deal found 23/10C$ 1,225

Wed 11/115:10 p.m. -

1 stop17h 35m

Tue 17/114:45 p.m. -

1 stop27h 15m

Deal found 20/10C$ 1,232

Sun 29/115:10 p.m. -

1 stop12h 20m

Fri 4/125:50 a.m. -

1 stop14h 15m

Deal found 20/10C$ 1,270

Sun 6/126:00 a.m. -

1 stop19h 20m

Sun 13/124:20 p.m. -

1 stop32h 07m

Deal found 22/10C$ 1,068

Sun 28/35:10 p.m. -

1 stop17h 50m

Fri 2/49:55 a.m. -

1 stop10h 05m

Deal found 21/10C$ 1,234

Fri 4/125:15 p.m. -

1 stop23h 15m

Fri 11/126:00 a.m. -

1 stop14h 05m

Deal found 20/10C$ 1,252

Sun 11/44:40 p.m. -

2 stops57h 40m

Sun 25/49:00 a.m. -

1 stop13h 16m

Deal found 22/10C$ 1,263

Fri 6/1110:15 a.m. -

1 stop18h 30m

Wed 18/1111:40 a.m. -

1 stop17h 57m

Deal found 22/10C$ 1,428

Thu 4/32:48 p.m. -

2 stops15h 02m

Fri 12/34:20 p.m. -

1 stop27h 52m

Deal found 20/10C$ 1,081

Mon 18/16:10 p.m. -

2 stops16h 35m

Mon 8/24:35 p.m. -

2 stops31h 10m

Deal found 22/10C$ 1,444

Sat 28/1112:10 p.m. -

2 stops15h 30m

Sat 12/128:20 a.m. -

2 stops16h 07m

Deal found 22/10C$ 1,314

Fri 19/36:10 p.m. -

1 stop17h 35m

Sun 11/49:55 a.m. -

1 stop10h 05m

Deal found 20/10C$ 1,256

Fri 20/119:00 a.m. -

2 stops33h 10m

Fri 27/117:05 a.m. -

2 stops20h 27m

Deal found 21/10C$ 1,280

Find flight deals from Ottawa to United Kingdom

Round-trip from	C$ 872
One-way from	C$ 445
Popular in	December
Cheapest in	September
Average price	C$ 966
Good round-trip deal	C$ 1,257 or less
Good one-way deal	C$ 1,107 or less

5/11-12/11
5 total stops
55h 12m total
Ottawa to United Kingdom

Search Deals

WestJet
6/12-31/12
1 total stop
15h 35m total
Ottawa to United Kingdom

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (C$ 109 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 37 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from Ottawa to United Kingdom.

Search Deals

Price to beat on a one-way flight from Ottawa to United Kingdom.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ottawa to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLondon

YOW Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Mon 23/11

6:10 a.m.-12:50 p.m.

1 stop25h 40m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 459

OttawaLondon

YOW Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Tue 10/11

6:55 p.m.-12:50 p.m.

1 stop36h 55m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 510

OttawaManchester

YOW Ottawa - MAN Manchester

YOWMAN

Ottawa

Wed 18/11

6:10 a.m.-11:25 a.m.

2 stops48h 15m

Manchester

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 515

OttawaLondon

YOW Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Wed 11/11

6:55 p.m.-12:50 p.m.

1 stop36h 55m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 550

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Mon 23/11

6:55 p.m.-4:40 p.m.

2 stops40h 45m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 567

OttawaGlasgow

YOW Ottawa - GLA Glasgow Intl

YOWGLA

Ottawa

Tue 8/12

7:00 a.m.-8:20 a.m.

3 stops44h 20m

Glasgow Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 571

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Thu 10/12

6:55 p.m.-3:05 p.m.

2 stops39h 10m

London Gatwick

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 574

OttawaManchester

YOW Ottawa - MAN Manchester

YOWMAN

Ottawa

Sun 6/12

6:55 p.m.-11:30 a.m.

2 stops59h 35m

Manchester

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 580

OttawaGlasgow

YOW Ottawa - GLA Glasgow Intl

YOWGLA

Ottawa

Sat 5/12

6:55 p.m.-8:00 p.m.

3 stops44h 05m

Glasgow Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 584

OttawaGlasgow

YOW Ottawa - GLA Glasgow Intl

YOWGLA

Ottawa

Sun 6/12

7:00 a.m.-8:55 a.m.

3 stops44h 55m

Glasgow Intl

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 587

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/10

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Ottawa to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Ottawa with our price prediction graph.

YOW-LGW

YOW-NCL

YOW-LHR

YOW-GLA

YOW-MAN

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to the United Kingdom

YOW-GB0

YOW-LGW

YOW-NCL

YOW-LHR

YOW-GLA

What is the cheapest month to book a flight from Ottawa to United Kingdom?

Currently, September is the cheapest month in which you can book a flight from Ottawa to United Kingdom (average of C$ 899). Flying from Ottawa to United Kingdom in December is currently the most expensive (average of C$ 1,424). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YOW to GB?

When flying from Ottawa to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from Ottawa to the United Kingdom delayed?

About 28% of weekly flights between Ottawa and United Kingdom have experienced delays in the past year, with the average delay time being 132 minutes.

What is the most punctual flight time for Ottawa to the United Kingdom flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ottawa to the United Kingdom flights?

Over the past year, Air Transat has had the lowest number of delays on this route, with just 20% of flights being delayed.

How far ahead should I book a flight from Ottawa to United Kingdom?

The best time to book flights from Ottawa to United Kingdom is 44 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing United Kingdom

Read reviews from past customers who have flown Porter Airlines,Air Transat, andWestJet from Ottawa to the United Kingdom. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

467 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

Porter Airlines

8.0

Very good

467 reviews

Porter Airlines

8.0

Very good

467 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Transat

7.7

Good

584 reviews

Porter Airlines

8.0

Very good

467 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

WestJet

7.2

Good

3,445 reviews

Porter Airlines

8.0

Very good

467 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Canada

7.1

Good

11,812 reviews

Porter Airlines

8.0

Very good

467 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Lufthansa

6.8

Okay

8,294 reviews

Porter Airlines

8.0

Very good

467 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Related info for your journey

What airport do you fly from for flights from Ottawa to United Kingdom?
If you book a flight to United Kingdom from Ottawa, you will be flying from Ottawa, which is the city’s only airport. Ottawa (YOW) is located 10.6 km from the centre of Ottawa.
How long is the flight from Ottawa to United Kingdom?
Airlines like Air Transat, Virgin Atlantic, and United Airlines fly from Ottawa to United Kingdom in about 12h 05m. The time it takes to get you to your destination can typically vary by up to 3h 55m. There are 5118 km between Ottawa and United Kingdom. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from Ottawa to United Kingdom one-way?
One-way options have recently been found by users for as low as C$ 54 on WestJet. Other airlines that offer cheap prices include Air Transat from C$ 357 and Porter Airlines from C$ 380 one-way.
What are the most popular routes from Ottawa to United Kingdom?
While some choose either Ottawa - London Gatwick or Ottawa - London City, Ottawa - London Heathrow is the most popular route from Ottawa to United Kingdom.
What are the most reliable airlines from Ottawa to United Kingdom?
No one likes to see their flight delayed. When booking a flight from Ottawa to United Kingdom consider choosing United Airlines (59%), Air Canada (59%) or Aegean Airlines (59%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Ottawa to United Kingdom?
Looking for the cheapest flight from Ottawa to United Kingdom? While on average our users pay C$ 1,553, our data indicates the cheapest price to be C$ 763. The most popular route (Ottawa - London Heathrow), is priced around C$ 924.
Can I find deals for flights from Ottawa to United Kingdom that include hotel bookings?
Yes. In addition to deals on Ottawa to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ottawa to United Kingdom?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to United Kingdom.
Can I find deals for business class flights from Ottawa to United Kingdom?
Yes. Cheapflights offers flight deals from Ottawa to United Kingdom by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ottawa to United Kingdom?
Currently, September is the cheapest month in which you can book a flight from Ottawa to United Kingdom (average of C$ 899). Flying from Ottawa to United Kingdom in December is currently the most expensive (average of C$ 1,424). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Top destinations

Top regions

Alternative routes for Ottawa to United Kingdom

Pierre Elliott Trudeau Intl to Charles de Gaulle flights

Pearson Intl to Heathrow flights

Pearson Intl to Istanbul flights

Pearson Intl to Charles de Gaulle flights

Pearson Intl to Gatwick flights

Toronto Island to Heathrow flights

Pearson Intl to London City flights

Pearson Intl to Lisbon flights

Pearson Intl to Frankfurt flights

Pierre Elliott Trudeau Intl to Beauvais-Tille flights

Pierre Elliott Trudeau Intl to Orly flights

Pearson Intl to Stansted flights

Pierre Elliott Trudeau Intl to Heathrow flights

Pearson Intl to Luton flights

Pearson Intl to Dublin flights

Pearson Intl to Leonardo da Vinci/Fiumicino flights

Pierre Elliott Trudeau Intl to Bruxelles-National flights

Pearson Intl to Orly flights

Pearson Intl to Amsterdam flights

Pierre Elliott Trudeau Intl to Málaga flights

Pierre Elliott Trudeau Intl to Barcelona-El Prat flights

Pierre Elliott Trudeau Intl to Leonardo da Vinci/Fiumicino flights

Pierre Elliott Trudeau Intl to Frankfurt flights

Toronto Island to Charles de Gaulle flights

Toronto Island to Frankfurt flights

Pierre Elliott Trudeau Intl to Lisbon flights

Pierre Elliott Trudeau Intl to Istanbul flights

Toronto Island to Lisbon flights

Pearson Intl to Sabiha Gokcen flights

Pearson Intl to Barcelona-El Prat flights

Pearson Intl to Zurich flights

Pierre Elliott Trudeau Intl to Geneva flights

Pierre Elliott Trudeau Intl to Zurich flights

Toronto Island to Istanbul flights

Pierre Elliott Trudeau Intl to Gatwick flights

Pierre Elliott Trudeau Intl to Lyon flights

Pearson Intl to Frederic Chopin flights

Toronto Island to Gatwick flights

Pearson Intl to Beauvais-Tille flights

Pierre Elliott Trudeau Intl to London City flights

Pierre Elliott Trudeau Intl to Madrid flights

Pierre Elliott Trudeau Intl to Malpensa flights

Toronto Island to Amsterdam flights

Pearson Intl to Athens flights

Pierre Elliott Trudeau Intl to Stansted flights

Pearson Intl to Munich flights

Pearson Intl to Madrid flights

Toronto Island to Leonardo da Vinci/Fiumicino flights

Toronto Island to Barcelona-El Prat flights

Pierre Elliott Trudeau Intl to Munich flights

Top 7 airlines flying from Ottawa to United Kingdom

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	CheapestC$ 484	AverageC$ 944	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Air Transat	CheapestC$ 685	AverageC$ 1,186	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
WestJet	CheapestC$ 725	AverageC$ 974	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Air France	CheapestC$ 779	AverageC$ 1,040	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Porter Airlines	CheapestC$ 844	AverageC$ 1,076	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Canada	CheapestC$ 908	AverageC$ 1,315	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	CheapestC$ 921	AverageC$ 1,149	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ottawa to United Kingdom?

Cheapflights makes it easy to find Ottawa to United Kingdom flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to United Kingdom?

Cheapflights helps you find that perfect flight to United Kingdom from Ottawa by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ottawa to United Kingdom with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa to United Kingdom, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ottawa to United Kingdom become cheaper?

Yes! Start tracking prices for Ottawa to United Kingdom flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ottawa to the United Kingdom from C$ 445

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ottawa to United Kingdom

Cheapest flights from Ottawa to United KingdomExplore the most affordable flight options available from Ottawa to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Explore the most affordable flight options available from Ottawa to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Best flights from Ottawa to United KingdomDiscover carefully curated flight deals from Ottawa to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

Discover carefully curated flight deals from Ottawa to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

Direct flights from Ottawa to United KingdomExplore direct flight options from Ottawa to United Kingdom based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 October 2026.

Explore direct flight options from Ottawa to United Kingdom based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 October 2026.

Last-minute flights from Ottawa to United KingdomDiscover last-minute flight deals from Ottawa to United Kingdom. Data last updated 25 October 2026 and is based on user searches.

Discover last-minute flight deals from Ottawa to United Kingdom. Data last updated 25 October 2026 and is based on user searches.

One-way flights from Ottawa to United KingdomSearch for one-way flight options from Ottawa to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.

Search for one-way flight options from Ottawa to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.

Find flight deals from Ottawa to United Kingdom

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ottawa to the United Kingdom that are best for you.

Best time to book a flight from Ottawa to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Ottawa with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Ottawa to United Kingdom?

What is the cheapest time of day to fly from YOW to GB?

Find hourly flight availability from Ottawa to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 October 2026.

When flying from Ottawa to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from Ottawa to the United Kingdom delayed?

About 28% of weekly flights between Ottawa and United Kingdom have experienced delays in the past year, with the average delay time being 132 minutes.

What is the most punctual flight time for Ottawa to the United Kingdom flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ottawa to the United Kingdom flights?

Over the past year, Air Transat has had the lowest number of delays on this route, with just 20% of flights being delayed.

How far ahead should I book a flight from Ottawa to United Kingdom?

The best time to book flights from Ottawa to United Kingdom is 44 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing United Kingdom

Read reviews from past customers who have flown Porter Airlines,Air Transat, andWestJet from Ottawa to the United Kingdom. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Ottawa to United Kingdom?

How long is the flight from Ottawa to United Kingdom?

What are the cheapest airlines to fly from Ottawa to United Kingdom one-way?

What are the most popular routes from Ottawa to United Kingdom?

What are the most reliable airlines from Ottawa to United Kingdom?

What are the cheapest flights from Ottawa to United Kingdom?

Can I find deals for flights from Ottawa to United Kingdom that include hotel bookings?

How can I find direct flights from Ottawa to United Kingdom?

Can I find deals for business class flights from Ottawa to United Kingdom?

What is the cheapest month to book a flight from Ottawa to United Kingdom?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ottawa to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to United Kingdom by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Ottawa to United Kingdom by cabin class

Find flights from Ottawa to United Kingdom, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ottawa and United Kingdom flights

Browse other Ottawa and United Kingdom flight options. Last updated on 25 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Ottawa to United Kingdom flights

Consider these flights travelling from Ottawa to United Kingdom.

Fly to United Kingdom regions

Consider these flights travelling to United Kingdom regions.

Top 7 airlines flying from Ottawa to United Kingdom

Fly with Cheapflights

How does Cheapflights help users find flights from Ottawa to United Kingdom?

Why should you use Cheapflights to find cheap flight tickets from Ottawa to United Kingdom?

Can Cheapflights find flights from Ottawa to United Kingdom with no change fees?

Can Cheapflights notify me if prices for flights from Ottawa to United Kingdom become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Ottawa to United Kingdom
Explore the most affordable flight options available from Ottawa to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Best flights from Ottawa to United Kingdom
Discover carefully curated flight deals from Ottawa to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

Direct flights from Ottawa to United Kingdom
Explore direct flight options from Ottawa to United Kingdom based on user searches, and compare prices and availability for your desired travel dates. Data last updated 25 October 2026.

Last-minute flights from Ottawa to United Kingdom
Discover last-minute flight deals from Ottawa to United Kingdom. Data last updated 25 October 2026 and is based on user searches.

One-way flights from Ottawa to United Kingdom
Search for one-way flight options from Ottawa to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.