Which airport is the most popular for stopovers for flights between London Heathrow Airport and Ottawa?

Paris (CDG) was the most common stop: 45% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport has the shortest connection time from London Heathrow Airport to Ottawa?

Toronto (YYZ) has the shortest average stopover time for this route: 2h 02m.

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

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

Which airlines fly to Ottawa?

Air Canada, Lufthansa and British Airways are the top three most popular airlines that fly to Ottawa from London Heathrow Airport according to our data. Air Canada is the first choice among our users, with 69% of people opting to fly with this airline when travelling to Ottawa. Keep in mind that there are 10 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

Which stopover airport offers the lowest fares from London Heathrow Airport to Ottawa?

Flights via Toronto (YYZ) offer the lowest average return price of £434.

Which stopover airport has the shortest travel time from London Heathrow Airport to Ottawa?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 10h 23m.

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

Virgin Atlantic, Air France, and KLM are the most popular carriers operating from London Heathrow to Ottawa

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

According to our data, Aegean Airlines have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

How often are flights from London to Ottawa delayed?

Historically, on average around 10% of flights between London and Ottawa have experienced a delay on any given week. The average delay length over the past 12 months has been 209 minutes.

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

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Prices for flights from London Heathrow Airport to Ottawa Airport refresh daily.

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

As of October 2025, there are 6 operators available to choose from for flights from London Heathrow Airport to Ottawa Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Ottawa Airport.

What documentation or ID do you need to fly to Ottawa Airport?

The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£281 Cheap Flights from London Heathrow Airport to Ottawa in 2025/26

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09:00 - 17:42LHR-YOW

13h 42m2 stops

20:25 - 20:35YOW-LHR

19h 10m2 stops

£446Multiple Airlines

Find Deal

Fri, 21 Nov - Wed, 28 Jan

09:00 - 17:42LHR-YOW

13h 42m2 stops

20:25 - 20:35YOW-LHR

19h 10m2 stops

£448Multiple Airlines

Find Deal

Fri, 21 Nov - Wed, 28 Jan

09:00 - 19:22LHR-YOW

15h 22m2 stops

10:20 - 07:10YOW-LHR

15h 50m2 stops

£451Multiple Airlines

Find Deal

Tue, 25 Nov - Wed, 28 Jan

13:25 - 22:18LHR-YOW

13h 53m1 stop

10:20 - 07:10YOW-LHR

15h 50m2 stops

£460Air Canada

Find Deal

Fri, 21 Nov - Wed, 28 Jan

12:00 - 14:30LHR-YOW

7h 30mdirect

08:30 - 07:10YOW-LHR

17h 40m2 stops

£463Air Canada

Find Deal

Fri, 14 Nov - Sun, 23 Nov

19:20 - 15:10LHR-YOW

24h 50m1 stop

17:45 - 10:30YOW-LHR

11h 45m1 stop

£472Air France

Find Deal

Tue, 23 Dec - Sun, 11 Jan

17:35 - 15:10LHR-YOW

26h 35m1 stop

17:20 - 08:00YOW-LHR

9h 40m1 stop

£486Air France

Find Deal

Wed, 12 Nov - Thu, 20 Nov

07:40 - 18:38LHR-YOW

15h 58m2 stops

21:55 - 09:20YOW-LHR

6h 25mdirect

£495Lufthansa

Find Deal

Fri, 28 Nov - Fri, 5 Dec

08:55 - 15:10LHR-YOW

11h 15m1 stop

17:20 - 18:20YOW-LHR

20h 00m1 stop

£498Virgin Atlantic

Find Deal

Tue, 25 Nov - Tue, 2 Dec

11:30 - 15:10LHR-YOW

32h 40m1 stop

17:20 - 10:30YOW-LHR

12h 10m1 stop

£509Virgin Atlantic

Find Deal

Tue, 23 Dec - Tue, 13 Jan

Air Canada flights from London Heathrow Airport to Ottawa

Our best Air Canada deals on London Heathrow Airport to Ottawa flight tickets

Air Canada

1 Nov

LHR09:00London Heathrow

29h 42m

2 stops

YOW10:42Ottawa

24 Jan

YOW18:05Ottawa

32h 05m

2 stops

LHR07:10London Heathrow

£454

Find similar

Air Canada

1 Nov

LHR09:00London Heathrow

30h 06m

1 stop

YOW11:06Ottawa

24 Jan

YOW10:20Ottawa

15h 50m

2 stops

LHR07:10London Heathrow

£459

Find similar

Air Canada

21 Nov

LHR13:25London Heathrow

13h 53m

1 stop

YOW22:18Ottawa

28 Jan

YOW10:20Ottawa

15h 50m

2 stops

LHR07:10London Heathrow

£460

Find similar

Virgin Atlantic flights from London Heathrow Airport to Ottawa

Our best Virgin Atlantic deals on London Heathrow Airport to Ottawa flight tickets

Virgin Atlantic

25 Nov

LHR08:55London Heathrow

11h 15m

1 stop

YOW15:10Ottawa

2 Dec

YOW17:20Ottawa

20h 00m

1 stop

LHR18:20London Heathrow

£498

Find similar

Virgin Atlantic

23 Dec

LHR11:30London Heathrow

32h 40m

1 stop

YOW15:10Ottawa

13 Jan

YOW17:20Ottawa

12h 10m

1 stop

LHR10:30London Heathrow

£509

Find similar

Virgin Atlantic

11 Mar

LHR19:25London Heathrow

24h 45m

1 stop

YOW16:10Ottawa

15 Mar

YOW18:20Ottawa

9h 40m

1 stop

LHR08:00London Heathrow

£511

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Ottawa that are best for you.

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Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 21/11

09:00-17:42

2 stops13h 42m

Ottawa

Wed 28/1

20:25-20:35

2 stops19h 10m

£446

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 21/11

09:00-17:42

2 stops13h 42m

Ottawa

Wed 28/1

20:25-20:35

2 stops19h 10m

£448

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 25/11

09:00-19:22

2 stops15h 22m

Ottawa

Wed 28/1

10:20-07:10

2 stops15h 50m

£451

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 21/11

13:25-22:18

1 stop13h 53m

Ottawa

Wed 28/1

10:20-07:10

2 stops15h 50m

£460

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 14/11

12:00-14:30

Nonstop7h 30m

Ottawa

Sun 23/11

08:30-07:10

2 stops17h 40m

£463

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 23/12

19:20-15:10

1 stop24h 50m

Ottawa

Sun 11/1

17:45-10:30

1 stop11h 45m

£472

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 12/11

17:35-15:10

1 stop26h 35m

Ottawa

Thu 20/11

17:20-08:00

1 stop9h 40m

£486

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 28/11

07:40-18:38

2 stops15h 58m

Ottawa

Fri 5/12

21:55-09:20

Nonstop6h 25m

£495

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 25/11

08:55-15:10

1 stop11h 15m

Ottawa

Tue 2/12

17:20-18:20

1 stop20h 00m

£498

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 23/12

11:30-15:10

1 stop32h 40m

Ottawa

Tue 13/1

17:20-10:30

1 stop12h 10m

£509

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Ottawa

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

Stopovers

Other information

What is the cheapest month to fly to Ottawa?

In general, March is the cheapest month to fly from London Heathrow Airport to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £463. If you aren’t able to travel during the month of March, then book flights to Ottawa from London Heathrow Airport during April instead. Flights to Ottawa in April, while not as cheap as those in March, still average around £504.

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

The cheapest day to depart on your flight to Ottawa is on a Monday when prices can be found for as low as £558. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £648. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ottawa.

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

Flying to Ottawa from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £486 when looking at flights departing in the evening. In the morning is when there is more demand to fly to Ottawa, so prices are often more expensive at around £588 per ticket.

What is the cheapest London Heathrow to Ottawa flight route?

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

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

You are more likely to see cheaper flights to Ottawa from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around £564 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from London Heathrow Airport for as low as £380 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow to Ottawa 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 London Heathrow Airport to Ottawa flights?

You could potentially save up to 33% on your flight if you consider stops on a London Heathrow Airport to Ottawa flight.

How have London Heathrow Airport to Ottawa flight prices changed over time?

As of October 2025, prices for London Heathrow Airport to Ottawa flights are approximately 9% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Ottawa

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

Estimated return price

Cheap London Heathrow Airport to Ottawa (LHR to YOW) flight deals and tips

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

Best price found	£6,312
Fastest flight time	7h 30m
Direct flights	Mon, Thu, Fri and Sat
Airports in Ottawa	1 airport

The best one-way flight to Ottawa from London Heathrow Airport in the past 72 hours is £6,312. The best return flight deal from London Heathrow Airport to Ottawa found on momondo in the last 72 hours is £498.

The fastest flight from London Heathrow Airport to Ottawa takes 7h 30m

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

There is 1 airport near Ottawa: Ottawa (YOW)

Search flight deals

How far is London Heathrow to Ottawa by plane?
The straight-line distance from London Heathrow to Ottawa is 3317.2 mi. A reasonable flight in good conditions will take 7h 30m.
When did momondo last update prices for flights from London Heathrow Airport to Ottawa Airport?
Prices for flights from London Heathrow Airport to Ottawa Airport refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Ottawa Airport?
As of October 2025, there are 6 operators available to choose from for flights from London Heathrow Airport to Ottawa Airport.
How old do you have to be to fly from London Heathrow Airport to Ottawa Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London Heathrow Airport to Ottawa?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Ottawa is Boeing 787-9 Dreamliner, representing 35.64% of all bookings. The subsequent popular models are Boeing 777-300ER at 13.45%, Boeing 787-8 Dreamliner at 10.05%, and Boeing 777-200LR at 9.01%.
What is the most popular airline from London Heathrow Airport to Ottawa?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Heathrow Airport to Ottawa is Air Canada (69% of total bookings). The next most popular airlines are Lufthansa (12%), Air France (11%), and Virgin Atlantic (6%).

Best airlines flying from London Heathrow Airport to Ottawa

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom £316	Free Cancellation	Rating 7.1 10,378 reviews	Search Air Canada flights
United Airlines	PriceFrom £341	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
KLM	PriceFrom £357	Free Cancellation	Rating 7.7 1,406 reviews	Search KLM flights
Air France	PriceFrom £368	Free Cancellation	Rating 7.4 1,482 reviews	Search Air France flights
Virgin Atlantic	PriceFrom £375	Free Cancellation	Rating 7.5 670 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom £461	Free Cancellation	Rating 6.8 7,541 reviews	Search Lufthansa flights

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Ottawa . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from London to Ottawa with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Ottawa.

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

Yes momondo offers price alerts on flights to Ottawa from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from London Heathrow Airport to Ottawa from £281

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Ottawa departing on 16/1. 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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Big names, great deals

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Find the cheapest flights from London Heathrow Airport to Ottawa

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Air Canada flights from London Heathrow Airport to Ottawa

Our best Air Canada deals on London Heathrow Airport to Ottawa flight tickets

Virgin Atlantic flights from London Heathrow Airport to Ottawa

Our best Virgin Atlantic deals on London Heathrow Airport to Ottawa flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Ottawa that are best for you.

See travel insights to Ottawa from

How to get the cheapest flight ticket from London Heathrow Airport to Ottawa

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

What is the cheapest month to fly to Ottawa?

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

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

What is the cheapest London Heathrow to Ottawa flight route?

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

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

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

There are 3 cabin classes available to choose from on London Heathrow to Ottawa 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 London Heathrow Airport to Ottawa flights?

You could potentially save up to 33% on your flight if you consider stops on a London Heathrow Airport to Ottawa flight.

How have London Heathrow Airport to Ottawa flight prices changed over time?

As of October 2025, prices for London Heathrow Airport to Ottawa flights are approximately 9% more expensive when compared to flights at the same time last year.

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

Virgin Atlantic, Air France, and KLM are the most popular carriers operating from London Heathrow to Ottawa

Which airlines fly to Ottawa?

How often are flights from London to Ottawa delayed?

Historically, on average around 10% of flights between London and Ottawa have experienced a delay on any given week. The average delay length over the past 12 months has been 209 minutes.

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

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

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

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

According to our data, Aegean Airlines have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

Which airport is the most popular for stopovers for flights between London Heathrow Airport and Ottawa?

Paris (CDG) was the most common stop: 45% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from London Heathrow Airport to Ottawa?

Flights via Toronto (YYZ) offer the lowest average return price of £434.

Which stopover airport has the shortest travel time from London Heathrow Airport to Ottawa?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 10h 23m.

Which stopover airport has the shortest connection time from London Heathrow Airport to Ottawa?

Toronto (YYZ) has the shortest average stopover time for this route: 2h 02m.

When to book flights from London Heathrow Airport to Ottawa

Cheap London Heathrow Airport to Ottawa (LHR to YOW) flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Ottawa

How far is London Heathrow to Ottawa by plane?

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

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

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

What documentation or ID do you need to fly to Ottawa Airport?

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

What is the most popular airline from London Heathrow Airport to Ottawa?

Best airlines flying from London Heathrow Airport to Ottawa

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

Travelling to a place near Ottawa?

Why use momondo?

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

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

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

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

An easier way to manage your Ottawa 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