How long is the flight from Ottawa to United Kingdom?

Airlines like KLM, Air France, and Aer Lingus fly from Ottawa to United Kingdom in about 18h 10m. The time it takes to get you to your destination can typically vary by up to 3h 10m. There are 4925 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$ 360 and Porter Airlines from C$ 383 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$ 1,527, our data indicates the cheapest price to be C$ 769. The most popular route (Ottawa - London Heathrow), is priced around C$ 1,034.

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 Croatia Airlines (100%), TAP AIR PORTUGAL (89%) or United Airlines (75%) 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$ 475+ 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 9 November 2026.

Tue 8/125:40 p.m. -

2 stops18h 00m

Tue 15/126:10 a.m. -

2 stops17h 35m

Deal found 8/11C$ 997

Mon 23/115:40 p.m. -

2 stops21h 00m

Mon 30/117:00 a.m. -

2 stops20h 32m

Deal found 7/11C$ 1,000

Mon 7/122:55 p.m. -

2 stops20h 45m

Mon 14/127:00 a.m. -

2 stops20h 32m

Deal found 7/11C$ 1,007

Thu 12/112:00 p.m. -

2 stops26h 15m

Thu 19/117:15 a.m. -

2 stops15h 05m

Deal found 8/11C$ 1,055

Sun 22/1110:50 a.m. -

2 stops24h 50m

Thu 26/116:10 p.m. -

3 stops24h 57m

Deal found 5/11C$ 1,062

Thu 19/119:00 a.m. -

2 stops26h 40m

Fri 27/118:15 a.m. -

2 stops19h 17m

Deal found 4/11C$ 1,065

Sun 29/115:10 p.m. -

1 stop23h 20m

Fri 4/127:00 a.m. -

1 stop13h 05m

Deal found 8/11C$ 1,086

Sat 5/125:40 p.m. -

2 stops15h 50m

Sat 12/126:00 a.m. -

3 stops20h 52m

Deal found 6/11C$ 1,089

Mon 7/129:10 a.m. -

2 stops18h 55m

Mon 14/128:50 a.m. -

2 stops15h 40m

Deal found 7/11C$ 1,091

Wed 2/1210:05 a.m. -

2 stops17h 00m

Wed 9/129:50 a.m. -

2 stops17h 00m

Deal found 7/11C$ 1,095

Sat 5/1210:50 a.m. -

2 stops31h 05m

Sat 12/127:00 a.m. -

2 stops31h 47m

Deal found 7/11C$ 1,109

Thu 3/129:10 a.m. -

2 stops17h 55m

Sat 6/27:50 a.m. -

2 stops16h 40m

Deal found 4/11C$ 1,110

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 9 November 2026.

Sun 17/16:10 p.m. -

2 stops19h 35m

Sun 24/17:40 p.m. -

3 stops28h 50m

Deal found 5/11C$ 1,050

Fri 4/125:15 p.m. -

2 stops14h 30m

Fri 11/125:40 a.m. -

2 stops14h 25m

Deal found 6/11C$ 1,143

Mon 7/122:00 p.m. -

2 stops13h 15m

Mon 14/128:45 a.m. -

2 stops15h 45m

Deal found 9/11C$ 1,198

Fri 27/115:10 p.m. -

1 stop10h 50m

Mon 14/1210:00 a.m. -

1 stop10h 00m

Deal found 8/11C$ 1,223

Sun 29/115:10 p.m. -

1 stop15h 25m

Fri 4/126:00 a.m. -

1 stop14h 05m

Deal found 8/11C$ 1,228

Sun 6/125:10 a.m. -

2 stops20h 10m

Sun 13/124:20 p.m. -

2 stops30h 00m

Deal found 4/11C$ 1,264

Sat 5/129:00 a.m. -

2 stops27h 55m

Tue 8/126:45 p.m. -

3 stops29h 00m

Deal found 6/11C$ 1,333

Sat 1/54:05 p.m. -

1 stop10h 15m

Sun 9/59:00 a.m. -

2 stops28h 28m

Deal found 9/11C$ 1,437

Wed 3/36:10 p.m. -

2 stops34h 40m

Mon 8/34:35 p.m. -

2 stops31h 05m

Deal found 8/11C$ 1,446

Mon 8/310:00 a.m. -

2 stops26h 25m

Thu 25/35:50 p.m. -

2 stops52h 15m

Deal found 7/11C$ 1,455

Mon 14/125:30 a.m. -

2 stops20h 20m

Sat 2/14:10 p.m. -

1 stop12h 30m

Deal found 5/11C$ 2,020

Sun 29/115:10 p.m. -

1 stop23h 20m

Fri 4/127:00 a.m. -

1 stop13h 05m

Deal found 8/11C$ 1,086

Tue 23/35:30 a.m. -

2 stops31h 10m

Tue 30/39:25 a.m. -

2 stops19h 15m

Deal found 8/11C$ 1,164

Fri 20/115:25 p.m. -

1 stop9h 30m

Mon 14/126:20 a.m. -

1 stop13h 40m

Deal found 8/11C$ 1,225

Sat 1/510:05 a.m. -

2 stops17h 30m

Sat 15/58:10 a.m. -

2 stops21h 06m

Deal found 8/11C$ 1,229

Sun 17/15:25 p.m. -

1 stop17h 40m

Sun 24/17:40 p.m. -

1 stop24h 25m

Deal found 5/11C$ 1,242

Sun 29/116:00 a.m. -

1 stop21h 30m

Thu 3/1211:30 a.m. -

1 stop12h 15m

Deal found 8/11C$ 1,146

Sun 28/36:20 a.m. -

1 stop19h 25m

Mon 12/49:30 a.m. -

2 stops19h 12m

Deal found 7/11C$ 1,302

Sun 2/55:10 p.m. -

2 stops35h 10m

Sun 16/55:30 p.m. -

2 stops26h 30m

Deal found 7/11C$ 1,196

Sat 5/122:00 p.m. -

2 stops12h 35m

Sat 12/127:15 p.m. -

2 stops29h 15m

Deal found 7/11C$ 1,240

Wed 24/310:30 a.m. -

2 stops18h 40m

Mon 12/49:30 a.m. -

1 stop17h 26m

Deal found 7/11C$ 1,302

Tue 9/310:15 a.m. -

2 stops25h 30m

Wed 24/35:35 p.m. -

2 stops52h 30m

Deal found 7/11C$ 1,478

Sun 6/125:10 p.m. -

1 stop10h 50m

Sun 13/1210:00 a.m. -

1 stop10h 00m

Deal found 4/11C$ 1,350

Wed 3/35:10 p.m. -

1 stop10h 50m

Tue 9/310:00 a.m. -

1 stop10h 00m

Deal found 8/11C$ 1,232

Tue 23/35:30 a.m. -

2 stops23h 30m

Tue 30/36:35 a.m. -

1 stop13h 25m

Deal found 8/11C$ 1,236

Sat 23/12:00 p.m. -

2 stops14h 50m

Wed 10/210:40 a.m. -

2 stops20h 00m

Deal found 4/11C$ 1,517

Thu 1/412:30 p.m. -

2 stops17h 10m

Fri 9/410:25 a.m. -

1 stop10h 50m

Deal found 4/11C$ 1,322

Sun 22/115:10 p.m. -

1 stop17h 35m

Sun 29/1110:00 a.m. -

1 stop10h 00m

Deal found 5/11C$ 1,235

Sat 5/122:00 p.m. -

2 stops18h 15m

Tue 8/1211:30 a.m. -

1 stop12h 15m

Deal found 6/11C$ 1,249

Fri 9/410:20 a.m. -

2 stops25h 05m

Wed 14/42:05 p.m. -

2 stops32h 47m

Deal found 4/11C$ 1,568

Find flight deals from Ottawa to United Kingdom

Round-trip from	C$ 907
One-way from	C$ 475
Popular in	December
Cheapest in	September
Average price	C$ 1,096
Good round-trip deal	C$ 1,241 or less
Good one-way deal	C$ 992 or less

Air Transat
13/4-21/4
2 total stops
47h 12m total
Ottawa to United Kingdom

Search Deals

28/1-31/12
1 total stop
36h 55m total
Ottawa to United Kingdom

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (C$ 124 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 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 - LGW London Gatwick

YOWLGW

Ottawa

Wed 14/4

5:30 a.m.-6:35 p.m.

2 stops32h 05m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 500

OttawaLondon

YOW Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Sat 30/1

5:30 a.m.-12:50 p.m.

2 stops26h 20m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 504

OttawaEdinburgh

YOW Ottawa - EDI Edinburgh Turnhouse

YOWEDI

Ottawa

Wed 2/12

6:55 p.m.-11:50 p.m.

2 stops47h 55m

Edinburgh Turnhouse

Wed 31/12

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

Nonstop0h 00m

C$ 514

OttawaLondon

YOW Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Sat 5/12

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$ 520

OttawaLondon

YOW Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Sun 31/1

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$ 531

OttawaLondon

YOW Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Fri 29/1

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$ 531

OttawaLondon

YOW Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Fri 26/3

2:00 p.m.-9:05 a.m.

2 stops15h 05m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 579

OttawaLondon

YOW Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Wed 3/3

2:00 p.m.-9:05 a.m.

2 stops14h 05m

London Heathrow

Wed 31/12

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

Nonstop0h 00m

C$ 595

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Thu 28/1

5:30 a.m.-9:45 a.m.

1 stop23h 15m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 603

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Wed 13/1

5:30 a.m.-3:05 p.m.

2 stops28h 35m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 620

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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-BHX

YOW-LHR

YOW-EDI

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-BHX

YOW-LHR

YOW-EDI

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$ 907). Flying from Ottawa to United Kingdom in December is currently the most expensive (average of C$ 1,479). 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

468 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

468 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Transat

7.7

Good

585 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

WestJet

7.2

Good

3,435 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Canada

7.1

Good

11,880 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Lufthansa

6.8

Okay

8,291 reviews

Porter Airlines

8.0

Very good

468 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 KLM, Air France, and Aer Lingus fly from Ottawa to United Kingdom in about 18h 10m. The time it takes to get you to your destination can typically vary by up to 3h 10m. There are 4925 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$ 360 and Porter Airlines from C$ 383 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 Croatia Airlines (100%), TAP AIR PORTUGAL (89%) or United Airlines (75%) 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$ 1,527, our data indicates the cheapest price to be C$ 769. The most popular route (Ottawa - London Heathrow), is priced around C$ 1,034.
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$ 907). Flying from Ottawa to United Kingdom in December is currently the most expensive (average of C$ 1,479). 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

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Top 7 airlines flying from Ottawa to United Kingdom

Airline	Cheapest	Average	Flexibility	On-time
Virgin Atlantic	CheapestC$ 489	AverageC$ 953	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Air Transat	CheapestC$ 691	AverageC$ 1,418	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
WestJet	CheapestC$ 732	AverageC$ 982	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Air France	CheapestC$ 786	AverageC$ 1,049	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Porter Airlines	CheapestC$ 852	AverageC$ 1,086	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Canada	CheapestC$ 916	AverageC$ 1,341	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	CheapestC$ 934	AverageC$ 1,158	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.

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Cheap flights from Ottawa to the United Kingdom from C$ 475

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 28/1. 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 9 November 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 9 November 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 9 November 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 9 November 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 9 November 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 9 November 2026.

Last-minute flights from Ottawa to United KingdomDiscover last-minute flight deals from Ottawa to United Kingdom. Data last updated 9 November 2026 and is based on user searches.

Discover last-minute flight deals from Ottawa to United Kingdom. Data last updated 9 November 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 9 November 2026.

Search for one-way flight options from Ottawa to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.

Find flight deals from Ottawa to United Kingdom

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One-way from

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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.

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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 9 November 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?

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Alternative routes for Ottawa to United Kingdom

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Complete your trip

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

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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 9 November 2026.

Popular flight searches

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Ottawa to United Kingdom flights

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Top 7 airlines flying from Ottawa to United Kingdom

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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 9 November 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 9 November 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 9 November 2026.

Last-minute flights from Ottawa to United Kingdom
Discover last-minute flight deals from Ottawa to United Kingdom. Data last updated 9 November 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 9 November 2026.