How long is the flight from Ottawa to United Kingdom?

Airlines like Porter Airlines, Air Transat, and Lufthansa fly from Ottawa to United Kingdom in about 10h 55m. The time it takes to get you to your destination can typically vary by up to 19h 05m. 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$ 296 on WestJet. Other airlines that offer cheap prices include Porter Airlines from C$ 376 and Air Transat from C$ 381 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$ 1,222, our data indicates the cheapest price to be C$ 816. The most popular route (Ottawa - London Heathrow), is priced around C$ 831.

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 (47%), Aegean Airlines (47%) or Austrian Airlines (47%) 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$ 337+ 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 20 August 2026.

Tue 8/97:40 p.m. -

Nonstop7h 15m

Fri 25/99:40 a.m. -

Nonstop8h 00m

Deal found 19/8C$ 654

Sun 20/97:40 p.m. -

Nonstop7h 15m

Sun 27/99:40 a.m. -

Nonstop8h 00m

Deal found 15/8C$ 656

Sun 13/97:40 p.m. -

Nonstop7h 15m

Tue 22/99:40 a.m. -

Nonstop8h 00m

Deal found 18/8C$ 659

Tue 15/97:40 p.m. -

Nonstop7h 15m

Tue 22/99:40 a.m. -

Nonstop8h 00m

Deal found 18/8C$ 663

Tue 8/97:40 p.m. -

Nonstop7h 15m

Tue 22/912:40 p.m. -

1 stop12h 20m

Deal found 19/8C$ 670

Tue 15/92:15 p.m. -

1 stop14h 35m

Fri 18/912:40 p.m. -

1 stop12h 20m

Deal found 17/8C$ 673

Fri 2/108:55 p.m. -

1 stop30h 00m

Fri 9/109:40 a.m. -

Nonstop8h 00m

Deal found 17/8C$ 674

Tue 15/96:25 p.m. -

1 stop10h 15m

Wed 23/910:35 p.m. -

2 stops24h 00m

Deal found 17/8C$ 774

Fri 18/96:25 p.m. -

1 stop10h 15m

Sat 26/92:00 p.m. -

2 stops27h 40m

Deal found 17/8C$ 817

Tue 15/97:40 p.m. -

1 stop31h 00m

Mon 21/98:15 a.m. -

1 stop33h 25m

Deal found 18/8C$ 824

Tue 15/96:25 p.m. -

1 stop10h 15m

Sat 26/92:00 p.m. -

2 stops27h 40m

Deal found 17/8C$ 825

Sun 20/97:30 p.m. -

2 stops16h 10m

Tue 22/912:10 p.m. -

2 stops40h 44m

Deal found 19/8C$ 830

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 20 August 2026.

Sun 20/98:55 p.m. -

1 stop30h 00m

Wed 23/99:40 a.m. -

1 stop19h 45m

Deal found 19/8C$ 746

Sun 6/92:15 p.m. -

1 stop14h 35m

Tue 15/99:40 a.m. -

Nonstop8h 00m

Deal found 17/8C$ 769

Tue 15/97:40 p.m. -

1 stop31h 00m

Mon 21/98:15 a.m. -

1 stop33h 25m

Deal found 18/8C$ 824

Fri 9/102:35 p.m. -

1 stop10h 55m

Fri 16/109:30 a.m. -

1 stop9h 24m

Deal found 15/8C$ 903

Mon 21/96:00 a.m. -

3 stops19h 45m

Mon 28/98:40 a.m. -

2 stops20h 14m

Deal found 17/8C$ 943

Fri 2/106:55 a.m. -

1 stop22h 15m

Thu 15/1011:30 a.m. -

1 stop17h 50m

Deal found 15/8C$ 954

Fri 6/115:10 p.m. -

1 stop10h 50m

Sun 6/1210:00 a.m. -

1 stop10h 00m

Deal found 15/8C$ 983

Fri 20/115:10 p.m. -

1 stop10h 50m

Fri 27/1110:00 a.m. -

1 stop10h 00m

Deal found 18/8C$ 985

Sun 20/97:30 p.m. -

1 stop10h 05m

Fri 2/109:00 a.m. -

1 stop11h 10m

Deal found 16/8C$ 1,179

Thu 19/119:10 a.m. -

2 stops18h 25m

Thu 26/116:50 a.m. -

2 stops17h 55m

Deal found 20/8C$ 1,231

Tue 6/108:40 a.m. -

2 stops21h 05m

Tue 20/101:45 p.m. -

2 stops15h 40m

Deal found 15/8C$ 1,364

Sun 20/94:00 p.m. -

1 stop13h 45m

Tue 22/912:40 p.m. -

1 stop31h 15m

Deal found 17/8C$ 770

Sun 11/102:00 p.m. -

2 stops13h 40m

Fri 23/109:15 a.m. -

2 stops14h 55m

Deal found 18/8C$ 1,566

Tue 15/97:40 p.m. -

1 stop13h 00m

Mon 21/98:45 a.m. -

1 stop32h 55m

Deal found 18/8C$ 834

Tue 15/97:40 p.m. -

1 stop31h 00m

Tue 22/96:00 a.m. -

1 stop11h 40m

Deal found 16/8C$ 846

Sun 6/96:00 a.m. -

3 stops19h 45m

Sat 12/96:50 a.m. -

2 stops17h 05m

Deal found 16/8C$ 954

Mon 1/25:10 p.m. -

1 stop10h 50m

Mon 8/210:00 a.m. -

1 stop10h 00m

Deal found 17/8C$ 993

Fri 4/94:00 p.m. -

2 stops37h 40m

Tue 8/98:45 a.m. -

2 stops20h 09m

Deal found 17/8C$ 954

Sat 3/107:00 a.m. -

2 stops32h 40m

Sat 10/106:20 a.m. -

2 stops30h 45m

Deal found 19/8C$ 872

Thu 17/96:00 a.m. -

1 stop23h 40m

Thu 24/96:50 a.m. -

2 stops14h 48m

Deal found 19/8C$ 954

Sat 5/1212:30 p.m. -

3 stops27h 20m

Thu 10/127:45 a.m. -

3 stops19h 07m

Deal found 17/8C$ 885

Mon 14/97:30 p.m. -

1 stop10h 05m

Thu 17/99:00 a.m. -

1 stop21h 35m

Deal found 19/8C$ 1,186

Sat 10/106:05 a.m. -

1 stop10h 20m

Sat 17/107:45 a.m. -

2 stops18h 50m

Deal found 17/8C$ 968

Fri 18/96:25 p.m. -

2 stops23h 20m

Wed 23/910:25 p.m. -

2 stops30h 55m

Deal found 16/8C$ 892

Sun 20/910:00 a.m. -

1 stop15h 50m

Sun 27/98:35 a.m. -

1 stop11h 20m

Deal found 17/8C$ 1,364

Fri 2/108:55 p.m. -

1 stop30h 00m

Fri 9/1012:40 p.m. -

1 stop12h 20m

Deal found 18/8C$ 1,282

Fri 2/105:20 p.m. -

1 stop13h 35m

Fri 9/104:00 p.m. -

1 stop22h 11m

Deal found 18/8C$ 968

Tue 15/96:25 p.m. -

2 stops20h 15m

Tue 22/98:20 a.m. -

2 stops35h 35m

Deal found 18/8C$ 896

Mon 14/94:00 p.m. -

1 stop9h 50m

Sun 27/98:35 a.m. -

1 stop20h 50m

Deal found 17/8C$ 1,404

Fri 16/106:05 a.m. -

2 stops23h 35m

Sat 24/108:45 a.m. -

2 stops20h 09m

Deal found 18/8C$ 987

Find flight deals from Ottawa to United Kingdom

Round-trip from	C$ 654
One-way from	C$ 337
Popular in	December
Cheapest in	February
Average price	C$ 1,075
Good round-trip deal	C$ 717 or less
Good one-way deal	C$ 377 or less

Air Transat
8/9-25/9
Nonstop
15h 15m total
Ottawa to United Kingdom

Search Deals

Air Transat
18/9
Nonstop
7h 15m total
Ottawa to United Kingdom

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (C$ 23 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 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

Sun 20/9

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

1 stop30h 00m

London Gatwick

Wed 23/9

9:40 a.m.-12:25 a.m.

1 stop19h 45m

C$ 746

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 6/9

2:15 p.m.-9:50 a.m.

1 stop14h 35m

London Gatwick

Tue 15/9

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 769

OttawaLondon

YOW Ottawa - LGW London Gatwick

YOWLGW

Ottawa

Sun 20/9

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

1 stop13h 45m

London Gatwick

Tue 22/9

12:40 p.m.-2:55 p.m.

1 stop31h 15m

C$ 770

OttawaBelfast

YOW Ottawa - BFS Belfast Intl

YOWBFS

Ottawa

Tue 15/9

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

1 stop31h 00m

Belfast Intl

Mon 21/9

8:15 a.m.-12:40 p.m.

1 stop33h 25m

C$ 824

OttawaBelfast

YOW Ottawa - BHD Belfast City

YOWBHD

Ottawa

Tue 15/9

7:40 p.m.-1:40 p.m.

1 stop13h 00m

Belfast City

Mon 21/9

8:45 a.m.-12:40 p.m.

1 stop32h 55m

C$ 834

OttawaEdinburgh

YOW Ottawa - EDI Edinburgh Turnhouse

YOWEDI

Ottawa

Tue 15/9

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

1 stop31h 00m

Edinburgh Turnhouse

Tue 22/9

6:00 a.m.-12:40 p.m.

1 stop11h 40m

C$ 846

OttawaBelfast

YOW Ottawa - BFS Belfast Intl

YOWBFS

Ottawa

Sat 3/10

7:00 a.m.-8:40 p.m.

2 stops32h 40m

Belfast Intl

Sat 10/10

6:20 a.m.-8:05 a.m.

2 stops30h 45m

C$ 872

OttawaLondon

YOW Ottawa - LTN London Luton

YOWLTN

Ottawa

Sat 5/12

12:30 p.m.-8:50 p.m.

3 stops27h 20m

London Luton

Thu 10/12

7:45 a.m.-9:52 p.m.

3 stops19h 07m

C$ 885

OttawaManchester

YOW Ottawa - MAN Manchester

YOWMAN

Ottawa

Fri 18/9

6:25 p.m.-10:45 p.m.

2 stops23h 20m

Manchester

Wed 23/9

10:25 p.m.-12:20 a.m.

2 stops30h 55m

C$ 892

OttawaBelfast

YOW Ottawa - BFS Belfast Intl

YOWBFS

Ottawa

Tue 15/9

6:25 p.m.-7:40 p.m.

2 stops20h 15m

Belfast Intl

Tue 22/9

8:20 a.m.-2:55 p.m.

2 stops35h 35m

C$ 896

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/8

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-STN

YOW-LTN

YOW-GLA

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-STN

YOW-LTN

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

Currently, January is the cheapest month in which you can book a flight from Ottawa to United Kingdom (average of C$ 928). Flying from Ottawa to United Kingdom in December is currently the most expensive (average of C$ 1,321). 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 25% of weekly flights between Ottawa and United Kingdom have experienced delays in the past year, with the average delay time being 128 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 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 50 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

457 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Porter Airlines

8.0

Very good

457 reviews

Porter Airlines

8.0

Very good

457 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Air Transat

7.8

Good

573 reviews

Porter Airlines

8.0

Very good

457 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

WestJet

7.2

Good

3,434 reviews

Porter Airlines

8.0

Very good

457 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Air Canada

7.1

Good

11,507 reviews

Porter Airlines

8.0

Very good

457 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Lufthansa

6.8

Okay

8,204 reviews

Porter Airlines

8.0

Very good

457 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

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, Air Transat, and Lufthansa fly from Ottawa to United Kingdom in about 10h 55m. The time it takes to get you to your destination can typically vary by up to 19h 05m. 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$ 296 on WestJet. Other airlines that offer cheap prices include Porter Airlines from C$ 376 and Air Transat from C$ 381 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 (47%), Aegean Airlines (47%) or Austrian Airlines (47%) 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$ 1,222, our data indicates the cheapest price to be C$ 816. The most popular route (Ottawa - London Heathrow), is priced around C$ 831.
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, January is the cheapest month in which you can book a flight from Ottawa to United Kingdom (average of C$ 928). Flying from Ottawa to United Kingdom in December is currently the most expensive (average of C$ 1,321). 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$ 952	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Air Transat	CheapestC$ 677	AverageC$ 1,361	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Air France	CheapestC$ 770	AverageC$ 1,372	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Porter Airlines	CheapestC$ 835	AverageC$ 1,031	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
United Airlines	CheapestC$ 880	AverageC$ 1,227	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air Canada	CheapestC$ 885	AverageC$ 1,144	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	CheapestC$ 911	AverageC$ 1,160	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$ 337

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/9. 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 20 August 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 20 August 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 20 August 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 20 August 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 20 August 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 20 August 2026.

Last-minute flights from Ottawa to United KingdomDiscover last-minute flight deals from Ottawa to United Kingdom. Data last updated 20 August 2026 and is based on user searches.

Discover last-minute flight deals from Ottawa to United Kingdom. Data last updated 20 August 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 20 August 2026.

Search for one-way flight options from Ottawa to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.

Find flight deals from Ottawa to United Kingdom

Round-trip from

One-way from

Popular in

Cheapest in

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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 20 August 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 25% of weekly flights between Ottawa and United Kingdom have experienced delays in the past year, with the average delay time being 128 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 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 50 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

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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 20 August 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 20 August 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 20 August 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 20 August 2026.

Last-minute flights from Ottawa to United Kingdom
Discover last-minute flight deals from Ottawa to United Kingdom. Data last updated 20 August 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 20 August 2026.