How long is the flight from Ottawa to United Kingdom?

Airlines like Porter Airlines, Lufthansa, and Virgin Atlantic fly from Ottawa to United Kingdom in about 6h 35m. The time it takes to get you to your destination can typically vary by up to 7h 10m. There are 5343 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$ 53 on WestJet. Other airlines that offer cheap prices include Air Transat from C$ 352 and Porter Airlines from C$ 374 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$ 1,234, our data indicates the cheapest price to be C$ 890. The most popular route (Ottawa - London Heathrow), is priced around C$ 837.

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 Air Canada (38%), Aegean Airlines (38%) or Austrian Airlines (38%) 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$ 346+ 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 10 September 2026.

Sun 4/107:40 p.m. -

Nonstop7h 15m

Sun 11/1011:35 a.m. -

1 stop11h 00m

Deal found 7/9C$ 688

Sun 20/92:15 p.m. -

1 stop14h 35m

Sun 27/99:40 a.m. -

Nonstop8h 00m

Deal found 6/9C$ 691

Sun 13/92:15 p.m. -

1 stop14h 35m

Sun 20/911:35 a.m. -

1 stop11h 00m

Deal found 6/9C$ 695

Fri 2/104:00 p.m. -

1 stop13h 45m

Sat 10/109:40 a.m. -

1 stop15h 20m

Deal found 7/9C$ 696

Wed 30/98:55 p.m. -

1 stop30h 00m

Sun 11/1011:35 a.m. -

1 stop11h 00m

Deal found 7/9C$ 700

Sun 20/92:15 p.m. -

1 stop14h 35m

Wed 23/99:40 a.m. -

1 stop15h 20m

Deal found 6/9C$ 702

Tue 15/97:40 p.m. -

Nonstop7h 15m

Sun 27/99:40 a.m. -

Nonstop8h 00m

Deal found 6/9C$ 703

Thu 1/104:00 p.m. -

1 stop10h 55m

Tue 6/1012:40 p.m. -

1 stop16h 45m

Deal found 7/9C$ 706

Tue 22/97:40 p.m. -

Nonstop7h 15m

Sun 4/1011:35 a.m. -

1 stop11h 00m

Deal found 9/9C$ 710

Sun 27/97:00 a.m. -

1 stop22h 45m

Sun 4/1011:35 a.m. -

1 stop11h 00m

Deal found 10/9C$ 713

Mon 21/97:30 p.m. -

1 stop10h 10m

Wed 23/99:30 a.m. -

2 stops43h 24m

Deal found 9/9C$ 800

Tue 15/94:00 p.m. -

2 stops20h 55m

Tue 22/97:55 a.m. -

2 stops18h 25m

Deal found 8/9C$ 838

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 10 September 2026.

Fri 16/104:00 p.m. -

1 stop13h 45m

Wed 21/1012:40 p.m. -

1 stop12h 20m

Deal found 6/9C$ 802

Thu 22/102:35 p.m. -

2 stops15h 20m

Thu 29/105:00 p.m. -

3 stops32h 50m

Deal found 7/9C$ 858

Tue 6/106:25 a.m. -

1 stop24h 30m

Tue 13/108:45 a.m. -

2 stops34h 32m

Deal found 8/9C$ 940

Wed 18/115:10 p.m. -

1 stop10h 50m

Sat 5/124:45 p.m. -

1 stop27h 15m

Deal found 6/9C$ 946

Wed 14/105:10 p.m. -

1 stop11h 15m

Wed 28/1010:00 a.m. -

1 stop10h 00m

Deal found 5/9C$ 960

Mon 5/106:15 p.m. -

2 stops58h 35m

Mon 12/1011:50 a.m. -

1 stop22h 45m

Deal found 5/9C$ 1,034

Sat 10/109:00 a.m. -

1 stop17h 20m

Tue 13/109:40 a.m. -

2 stops17h 30m

Deal found 9/9C$ 1,190

Wed 14/104:00 p.m. -

2 stops15h 35m

Wed 28/109:15 a.m. -

2 stops16h 35m

Deal found 5/9C$ 1,195

Thu 19/1112:10 p.m. -

2 stops15h 25m

Thu 3/126:50 a.m. -

2 stops17h 40m

Deal found 5/9C$ 1,230

Tue 10/115:40 p.m. -

1 stop11h 05m

Wed 10/211:40 a.m. -

1 stop18h 10m

Deal found 6/9C$ 1,271

Sat 10/106:35 p.m. -

2 stops33h 05m

Tue 13/1012:40 p.m. -

2 stops36h 20m

Deal found 6/9C$ 1,355

Fri 16/104:00 p.m. -

1 stop13h 45m

Tue 20/1012:40 p.m. -

1 stop12h 20m

Deal found 6/9C$ 802

Tue 6/105:50 p.m. -

3 stops19h 15m

Tue 13/105:45 p.m. -

3 stops30h 25m

Deal found 6/9C$ 910

Sun 4/107:40 p.m. -

Nonstop7h 15m

Fri 9/109:40 a.m. -

Nonstop8h 00m

Deal found 7/9C$ 845

Thu 24/910:40 a.m. -

2 stops29h 45m

Tue 13/108:45 a.m. -

2 stops20h 09m

Deal found 8/9C$ 942

Mon 19/105:10 p.m. -

1 stop11h 30m

Mon 26/104:45 p.m. -

1 stop27h 15m

Deal found 7/9C$ 947

Fri 6/115:10 p.m. -

1 stop10h 50m

Sun 6/1210:00 a.m. -

1 stop10h 00m

Deal found 8/9C$ 960

Fri 2/1010:25 a.m. -

2 stops14h 30m

Sat 10/106:50 a.m. -

2 stops17h 05m

Deal found 8/9C$ 950

Mon 5/104:00 p.m. -

3 stops20h 50m

Mon 12/1010:35 p.m. -

3 stops30h 50m

Deal found 7/9C$ 958

Mon 12/106:15 p.m. -

2 stops58h 35m

Sat 24/1011:50 a.m. -

1 stop22h 45m

Deal found 6/9C$ 1,055

Mon 1/25:10 p.m. -

1 stop10h 50m

Sun 28/210:00 a.m. -

1 stop10h 00m

Deal found 5/9C$ 969

Fri 2/106:00 a.m. -

2 stops18h 55m

Fri 9/106:50 a.m. -

2 stops31h 21m

Deal found 8/9C$ 950

Thu 1/104:00 p.m. -

2 stops23h 40m

Sat 10/104:40 p.m. -

2 stops29h 55m

Deal found 6/9C$ 958

Fri 6/115:10 p.m. -

2 stops13h 55m

Sun 6/126:30 a.m. -

2 stops13h 30m

Deal found 7/9C$ 1,044

Wed 30/96:00 a.m. -

3 stops19h 45m

Sun 4/106:50 a.m. -

2 stops32h 06m

Deal found 5/9C$ 950

Mon 19/104:00 p.m. -

2 stops15h 35m

Fri 4/129:15 a.m. -

2 stops15h 15m

Deal found 9/9C$ 1,268

Mon 5/107:00 a.m. -

2 stops32h 45m

Mon 12/105:50 a.m. -

2 stops23h 35m

Deal found 5/9C$ 976

Fri 25/98:05 p.m. -

1 stop29h 25m

Mon 28/96:05 a.m. -

2 stops24h 30m

Deal found 8/9C$ 1,372

Mon 19/105:10 p.m. -

2 stops15h 40m

Fri 4/126:30 a.m. -

2 stops13h 30m

Deal found 9/9C$ 1,048

Tue 2/34:10 p.m. -

2 stops15h 40m

Wed 10/39:15 a.m. -

2 stops14h 25m

Deal found 8/9C$ 1,278

Find flight deals from Ottawa to United Kingdom

Round-trip from	C$ 688
One-way from	C$ 346
Popular in	December
Cheapest in	September
Average price	C$ 783
Good round-trip deal	C$ 684 or less
Good one-way deal	C$ 372 or less

Air Transat
4/10-11/10
1 total stop
18h 15m total
Ottawa to United Kingdom

Search Deals

Porter Airlines
13/10-31/12
1 total stop
13h 45m total
Ottawa to United Kingdom

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (C$ 29 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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

Tue 13/10

4:00 p.m.-10:45 a.m.

1 stop13h 45m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 357

Quickest round-trip

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Fri 23/10

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 365

OttawaEdinburgh

YOW Ottawa - EDI Edinburgh Turnhouse

YOWEDI

Ottawa

Sun 11/10

8:35 a.m.-9:50 a.m.

1 stop20h 15m

Edinburgh Turnhouse

Wed 31/12

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

Nonstop0h 00m

C$ 370

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Fri 25/9

7:00 a.m.-10:45 a.m.

1 stop22h 45m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 372

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 4/10

10:00 a.m.-10:45 a.m.

1 stop19h 45m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 375

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Tue 15/9

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

London Gatwick

Wed 31/12

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

Nonstop0h 00m

C$ 386

OttawaLondon

YOW Ottawa - LTN London Luton

YOWLTN

Ottawa

Sun 4/10

6:25 p.m.-12:45 p.m.

2 stops37h 20m

London Luton

Wed 31/12

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

Nonstop0h 00m

C$ 389

OttawaLondon

YOW Ottawa - STN London Stansted

YOWSTN

Ottawa

Sun 4/10

6:25 p.m.-11:25 p.m.

2 stops24h 00m

London Stansted

Wed 31/12

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

Nonstop0h 00m

C$ 393

OttawaLondon

YOW Ottawa - LTN London Luton

YOWLTN

Ottawa

Tue 13/10

6:25 p.m.-3:30 p.m.

2 stops16h 05m

London Luton

Wed 31/12

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

Nonstop0h 00m

C$ 396

OttawaLondon

YOW Ottawa - LHR London Heathrow

YOWLHR

Ottawa

Wed 25/11

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$ 411

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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-EDI

YOW-MAN

YOW-LHR

YOW-LTN

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-EDI

YOW-MAN

YOW-LHR

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$ 909). Flying from Ottawa to United Kingdom in December is currently the most expensive (average of C$ 1,307). 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 136 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 Sunday 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 19% 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

460 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

460 reviews

Porter Airlines

8.0

Very good

460 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Transat

7.7

Good

579 reviews

Porter Airlines

8.0

Very good

460 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

460 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Canada

7.1

Good

11,609 reviews

Porter Airlines

8.0

Very good

460 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Lufthansa

6.8

Okay

8,213 reviews

Porter Airlines

8.0

Very good

460 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 Porter Airlines, Lufthansa, and Virgin Atlantic fly from Ottawa to United Kingdom in about 6h 35m. The time it takes to get you to your destination can typically vary by up to 7h 10m. There are 5343 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$ 53 on WestJet. Other airlines that offer cheap prices include Air Transat from C$ 352 and Porter Airlines from C$ 374 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 Air Canada (38%), Aegean Airlines (38%) or Austrian Airlines (38%) 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$ 1,234, our data indicates the cheapest price to be C$ 890. The most popular route (Ottawa - London Heathrow), is priced around C$ 837.
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$ 909). Flying from Ottawa to United Kingdom in December is currently the most expensive (average of C$ 1,307). 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
WestJet	CheapestC$ 119	AverageC$ 955	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Virgin Atlantic	CheapestC$ 477	AverageC$ 956	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Air Transat	CheapestC$ 674	AverageC$ 1,372	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Air France	CheapestC$ 767	AverageC$ 1,028	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Porter Airlines	CheapestC$ 831	AverageC$ 958	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Canada	CheapestC$ 889	AverageC$ 1,152	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	CheapestC$ 907	AverageC$ 1,131	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$ 346

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 13/10. 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 10 September 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 10 September 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 10 September 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 10 September 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 10 September 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 10 September 2026.

Last-minute flights from Ottawa to United KingdomDiscover last-minute flight deals from Ottawa to United Kingdom. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from Ottawa to United Kingdom. Data last updated 10 September 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 10 September 2026.

Search for one-way flight options from Ottawa to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Find flight deals from Ottawa to United Kingdom

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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Good one-way deal

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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 10 September 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 136 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 Sunday 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 19% 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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Ottawa and United Kingdom flights

Browse other Ottawa and United Kingdom flight options. Last updated on 10 September 2026.

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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 10 September 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 10 September 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 10 September 2026.

Last-minute flights from Ottawa to United Kingdom
Discover last-minute flight deals from Ottawa to United Kingdom. Data last updated 10 September 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 10 September 2026.