Which airlines fly to London?

Air Canada, British Airways and Lufthansa are the top three most popular airlines that fly to London from Ottawa according to our data. Air Canada is the first choice among our users, with 82% of people opting to fly with this airline when travelling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

How often are flights from Ottawa to London delayed?

Historically, on average around 16% of flights between Ottawa and London have experienced a delay on any given week. The average delay length over the past 12 months has been 141 minutes.

How many flights depart from Ottawa to London on average per day?

1 flights are operational daily from Ottawa to London as of December 2025. The most popular departure time for this route is 21:00, with 100% of flights per day taking off in the evening.

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

According to our data, Air Canada have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

What is the cheapest airline that flies from Ottawa to London?

WestJet is the most popular carrier operating from Ottawa to London

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

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

How many flights depart from Ottawa to London on average per week?

11 flights are operational weekly from Ottawa to London as of December 2025. The most popular departure day for this route is Wed, with 55% of flights per week taking off on this day.

When did momondo last update prices for flights from Ottawa Airport to London?

Prices for flights from Ottawa Airport to London are updated daily.

How many operators does momondo search for flights from Ottawa Airport to London?

There is 1 operator available for flights from Ottawa Airport to London as of December 2025.

How old do you have to be to fly from Ottawa Airport to London?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to London.

What documentation or ID do you need to fly to London?

The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£192 Cheap Flights from Ottawa to London in 2025/26

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10:00 - 09:45

YOW

LGW

18h 45m1 stop

11:40 - 00:43

LGW

YOW

18h 03m1 stop

£416Air Transat

Sat, 17 Jan - Fri, 23 Jan

18:55 - 09:45

YOW

LGW

9h 50m1 stop

11:40 - 00:43

LGW

YOW

18h 03m1 stop

£417Air Transat

Thu, 29 Jan - Fri, 6 Feb

17:35 - 10:30

YOW

LHR

11h 55m1 stop

08:55 - 15:10

LHR

YOW

11h 15m1 stop

£433Virgin Atlantic

Fri, 16 Jan - Fri, 23 Jan

05:40 - 10:50

YOW

LHR

24h 10m2 stops

12:15 - 00:39

LHR

YOW

17h 24m2 stops

£471Multiple Airlines

Tue, 27 Jan - Tue, 3 Feb

19:55 - 18:40

YOW

STN

17h 45m2 stops

05:55 - 16:23

STN

YOW

15h 28m2 stops

£473Multiple Airlines

Tue, 17 Feb - Tue, 3 Mar

17:20 - 07:55

YOW

LHR

9h 35m1 stop

08:55 - 15:10

LHR

YOW

11h 15m1 stop

£478Virgin Atlantic

Mon, 23 Feb - Fri, 27 Feb

12:15 - 20:35

YOW

LHR

27h 20m1 stop

12:00 - 14:30

LHR

YOW

7h 30mdirect

£486Air Canada

Fri, 16 Jan - Fri, 23 Jan

12:15 - 20:35

YOW

LHR

27h 20m1 stop

09:00 - 14:21

LHR

YOW

10h 21m1 stop

£487Air Canada

Thu, 15 Jan - Thu, 22 Jan

10:45 - 12:55

YOW

LCY

21h 10m2 stops

09:20 - 19:18

LCY

YOW

14h 58m2 stops

£568SWISS

Wed, 28 Jan - Wed, 4 Feb

10:45 - 12:55

YOW

LCY

21h 10m2 stops

09:15 - 19:18

LCY

YOW

15h 03m2 stops

£583SWISS

Sun, 25 Jan - Mon, 9 Feb

Virgin Atlantic flights from Ottawa to London

Our best Virgin Atlantic deals on Ottawa to London flight tickets

Virgin Atlantic

16 Jan

YOW17:35Ottawa

11h 55m

1 stop

LHR10:30London Heathrow

23 Jan

LHR08:55London Heathrow

11h 15m

1 stop

YOW15:10Ottawa

£433

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Virgin Atlantic

23 Feb

YOW17:20Ottawa

9h 35m

1 stop

LHR07:55London Heathrow

27 Feb

LHR08:55London Heathrow

11h 15m

1 stop

YOW15:10Ottawa

£478

Find similar

Virgin Atlantic

29 Jan

YOW17:20Ottawa

9h 40m

1 stop

LHR08:00London Heathrow

5 Feb

LHR09:00London Heathrow

11h 10m

1 stop

YOW15:10Ottawa

£494

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Air Canada flights from Ottawa to London

Our best Air Canada deals on Ottawa to London flight tickets

Air Canada

16 Jan

YOW12:15Ottawa

27h 20m

1 stop

LHR20:35London Heathrow

23 Jan

LHR12:00London Heathrow

7h 30m

YOW14:30Ottawa

£486

Find similar

Air Canada

15 Jan

YOW12:15Ottawa

27h 20m

1 stop

LHR20:35London Heathrow

22 Jan

LHR09:00London Heathrow

10h 21m

1 stop

YOW14:21Ottawa

£487

Find similar

Air Canada

16 Jan

YOW21:55Ottawa

6h 25m

LHR09:20London Heathrow

23 Jan

LHR12:00London Heathrow

7h 30m

YOW14:30Ottawa

£489

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Fly from

Fly to

Route

Depart

Return

Price

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sat 17/1

10:00-09:45

1 stop18h 45m

London Gatwick

Fri 23/1

11:40-00:43

1 stop18h 03m

£416

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 29/1

18:55-09:45

1 stop9h 50m

London Gatwick

Fri 6/2

11:40-00:43

1 stop18h 03m

£417

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 16/1

17:35-10:30

1 stop11h 55m

London Heathrow

Fri 23/1

08:55-15:10

1 stop11h 15m

£433

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Tue 27/1

05:40-10:50

2 stops24h 10m

London Heathrow

Tue 3/2

12:15-00:39

2 stops17h 24m

£471

OttawaLondon

YOW - STN

YOWSTN

Ottawa

Tue 17/2

19:55-18:40

2 stops17h 45m

London Stansted

Tue 3/3

05:55-16:23

2 stops15h 28m

£473

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 23/2

17:20-07:55

1 stop9h 35m

London Heathrow

Fri 27/2

08:55-15:10

1 stop11h 15m

£478

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 16/1

12:15-20:35

1 stop27h 20m

London Heathrow

Fri 23/1

12:00-14:30

Nonstop7h 30m

£486

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 15/1

12:15-20:35

1 stop27h 20m

London Heathrow

Thu 22/1

09:00-14:21

1 stop10h 21m

£487

OttawaLondon

YOW - LCY

YOWLCY

Ottawa

Wed 28/1

10:45-12:55

2 stops21h 10m

London City

Wed 4/2

09:20-19:18

2 stops14h 58m

£568

OttawaLondon

YOW - LCY

YOWLCY

Ottawa

Sun 25/1

10:45-12:55

2 stops21h 10m

London City

Mon 9/2

09:15-19:18

2 stops15h 03m

£583

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How to get the cheapest flight ticket from Ottawa to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Ottawa is in February. Flight prices, which tend to average around £482, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Ottawa averaging around £512.

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £543. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Ottawa to London for around £617.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £561. Flights at midday are often more expensive, with an average ticket price of £665.

What is the cheapest Ottawa to London flight route?

Fly from Ottawa to London Heathrow for the best Ottawa - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £571 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Ottawa for as low as £538 on momondo.

What cabin class options are available on Ottawa to London flights?

There are 2 cabin classes available to choose from on Ottawa to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ottawa to London flights?

You could potentially save up to 62% on your flight if you consider stops on a Ottawa to London flight.

How have Ottawa to London flight prices changed over time?

As of December 2025, prices for Ottawa to London flights are approximately 36% more expensive when compared to flights at the same time last year.

When to book flights from Ottawa to London

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to London according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Ottawa to London (YOW to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to London

Best price found	£482
Fastest flight time	6h 25m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in London	6 airports

The best flight deal from Ottawa to London found on momondo in the last 72 hours is £482

The fastest flight from Ottawa to London takes 6h 25m

Direct flights go from Ottawa to London on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..

There are 6 airports in London. From Ottawa there are direct flights to London Heathrow (LHR).

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How far is Ottawa to London by plane?
The straight-line distance from Ottawa to London is 3329.4 mi. By plane, this route typically takes 6h 25m.
When did momondo last update prices for flights from Ottawa Airport to London?
Prices for flights from Ottawa Airport to London are updated daily.
How many operators does momondo search for flights from Ottawa Airport to London?
There is 1 operator available for flights from Ottawa Airport to London as of December 2025.
How old do you have to be to fly from Ottawa Airport to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to London.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Ottawa to London?
Based on momondo bookings for flights between Ottawa and London, the leading plane model is Boeing 787-8 Dreamliner, making up 60.00% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 24.55%, Airbus A321neo with 7.73%, and Airbus A330-300 with 3.18%.
What is the most popular airline from Ottawa to London?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ottawa to London is Air Canada (100% of total bookings).

Best airlines flying from Ottawa to London

Compare and see reviews for airlines that fly from Ottawa to London with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom £452	Free Cancellation	Rating 7.1 10,531 reviews		Search Air Canada flights

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Hayes

Chelmsford

Dover

Worthing

Colchester

Bedford

Ramsgate

Hounslow

Stansted

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to London?

It is quick and easy to find Ottawa to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Ottawa to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Ottawa with this policy.

How can momondo help me find flights from Ottawa to London?

momondo helps you find the best flight between Ottawa and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ottawa to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Ottawa and alert you when they change.

An easier way to manage your London trip

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Cheap flights from Ottawa to London from £192

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to London departing on 19/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Virgin Atlantic flights from Ottawa to London

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How to get the cheapest flight ticket from Ottawa to London

What is the cheapest month to fly to London?

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £543. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Ottawa to London for around £617.

What is the cheapest time of day to depart on your flight to London?

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £561. Flights at midday are often more expensive, with an average ticket price of £665.

What is the cheapest Ottawa to London flight route?

Fly from Ottawa to London Heathrow for the best Ottawa - London flight prices

How far in advance should I book a flight to London?

What cabin class options are available on Ottawa to London flights?

There are 2 cabin classes available to choose from on Ottawa to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ottawa to London flights?

You could potentially save up to 62% on your flight if you consider stops on a Ottawa to London flight.

How have Ottawa to London flight prices changed over time?

As of December 2025, prices for Ottawa to London flights are approximately 36% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Ottawa to London?

WestJet is the most popular carrier operating from Ottawa to London

Which airlines fly to London?

How often are flights from Ottawa to London delayed?

Historically, on average around 16% of flights between Ottawa and London have experienced a delay on any given week. The average delay length over the past 12 months has been 141 minutes.

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

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

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

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Air Canada have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

How many flights depart from Ottawa to London on average per day?

1 flights are operational daily from Ottawa to London as of December 2025. The most popular departure time for this route is 21:00, with 100% of flights per day taking off in the evening.

How many flights depart from Ottawa to London on average per week?

11 flights are operational weekly from Ottawa to London as of December 2025. The most popular departure day for this route is Wed, with 55% of flights per week taking off on this day.

When to book flights from Ottawa to London

Cheap Ottawa to London (YOW to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to London

Best price found

Fastest flight time

Direct flights

Airports in London

How far is Ottawa to London by plane?

When did momondo last update prices for flights from Ottawa Airport to London?

How many operators does momondo search for flights from Ottawa Airport to London?

How old do you have to be to fly from Ottawa Airport to London?

What documentation or ID do you need to fly to London?

What is the most popular plane model from Ottawa to London?

What is the most popular airline from Ottawa to London?

Best airlines flying from Ottawa to London

Compare and see reviews for airlines that fly from Ottawa to London with momondo

Travelling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to London?

Can I find flights from Ottawa to London with flexible booking policies on momondo?

How can momondo help me find flights from Ottawa to London?

I’m not ready to book a flight from Ottawa to London right now. Can momondo alert me if prices change?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London