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.

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 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

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.

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

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

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 61% of people opting to fly with this airline when travelling to Ottawa. Keep in mind that there are 5 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

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 were last updated today.

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

There are 4 operators available for flights from London Heathrow Airport to Ottawa Airport as of October 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Ottawa Airport.

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

The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 520 Cheap Flights from London Heathrow Airport to Ottawa in 2025/26

1 adult

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Find the cheapest flights from London Heathrow Airport to Ottawa

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 a.m. - 5:42 p.m.LHR-YOW

13h 42m2 stops

8:25 p.m. - 8:35 p.m.YOW-LHR

19h 10m2 stops

C$ 824Multiple Airlines

Find Deal

vie., 21 nov. - mié., 28 ene.

9:00 a.m. - 5:42 p.m.LHR-YOW

13h 42m2 stops

8:25 p.m. - 8:35 p.m.YOW-LHR

19h 10m2 stops

C$ 829Multiple Airlines

Find Deal

vie., 21 nov. - mié., 28 ene.

9:00 a.m. - 7:22 p.m.LHR-YOW

15h 22m2 stops

10:20 a.m. - 7:10 a.m.YOW-LHR

15h 50m2 stops

C$ 833Multiple Airlines

Find Deal

mar., 25 nov. - mié., 28 ene.

1:25 p.m. - 10:18 p.m.LHR-YOW

13h 53m1 stop

10:20 a.m. - 7:10 a.m.YOW-LHR

15h 50m2 stops

C$ 850Air Canada

Find Deal

vie., 21 nov. - mié., 28 ene.

1:25 p.m. - 10:18 p.m.LHR-YOW

13h 53m1 stop

8:30 a.m. - 7:10 a.m.YOW-LHR

17h 40m2 stops

C$ 855Air Canada

Find Deal

vie., 14 nov. - dom., 23 nov.

5:35 p.m. - 3:10 p.m.LHR-YOW

26h 35m1 stop

5:20 p.m. - 8:00 a.m.YOW-LHR

9h 40m1 stop

C$ 898Air France

Find Deal

mié., 12 nov. - jue., 20 nov.

2:45 p.m. - 12:42 a.m.LHR-YOW

14h 57m2 stops

5:20 p.m. - 8:00 a.m.YOW-LHR

9h 40m1 stop

C$ 901Air France

Find Deal

mié., 10 dic. - mié., 24 dic.

8:55 a.m. - 3:10 p.m.LHR-YOW

11h 15m1 stop

5:20 p.m. - 6:20 p.m.YOW-LHR

20h 00m1 stop

C$ 919Virgin Atlantic

Find Deal

mar., 25 nov. - mar., 2 dic.

6:00 a.m. - 5:42 p.m.LHR-YOW

16h 42m2 stops

10:50 a.m. - 11:15 a.m.YOW-LHR

19h 25m2 stops

C$ 936SWISS

Find Deal

mié., 3 dic. - lun., 8 dic.

7:25 p.m. - 4:10 p.m.LHR-YOW

24h 45m1 stop

6:20 p.m. - 8:00 a.m.YOW-LHR

9h 40m1 stop

C$ 945Virgin Atlantic

Find Deal

mié., 11 mar. - dom., 15 mar.

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

LHR9:00 a.m.London Heathrow

29h 42m

2 stops

YOW10:42 a.m.Ottawa

24 Jan

YOW6:05 p.m.Ottawa

32h 05m

2 stops

LHR7:10 a.m.London Heathrow

C$ 838

Find similar

Air Canada

1 Nov

LHR9:00 a.m.London Heathrow

30h 06m

1 stop

YOW11:06 a.m.Ottawa

24 Jan

YOW10:20 a.m.Ottawa

15h 50m

2 stops

LHR7:10 a.m.London Heathrow

C$ 848

Find similar

Air Canada

21 Nov

LHR1:25 p.m.London Heathrow

13h 53m

1 stop

YOW10:18 p.m.Ottawa

28 Jan

YOW10:20 a.m.Ottawa

15h 50m

2 stops

LHR7:10 a.m.London Heathrow

C$ 850

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

LHR8:55 a.m.London Heathrow

11h 15m

1 stop

YOW3:10 p.m.Ottawa

2 Dec

YOW5:20 p.m.Ottawa

20h 00m

1 stop

LHR6:20 p.m.London Heathrow

C$ 919

Find similar

Virgin Atlantic

11 Mar

LHR7:25 p.m.London Heathrow

24h 45m

1 stop

YOW4:10 p.m.Ottawa

15 Mar

YOW6:20 p.m.Ottawa

9h 40m

1 stop

LHR8:00 a.m.London Heathrow

C$ 945

Find similar

Virgin Atlantic

11 Mar

LHR7:25 p.m.London Heathrow

24h 45m

1 stop

YOW4:10 p.m.Ottawa

15 Mar

YOW6:20 p.m.Ottawa

15h 25m

1 stop

LHR1:45 p.m.London Heathrow

C$ 946

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.

Fly from

Fly to

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

vie. 21/11

9:00 a.m.-5:42 p.m.

2 stops13h 42m

Ottawa

mié. 28/1

8:25 p.m.-8:35 p.m.

2 stops19h 10m

C$ 824

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

vie. 21/11

9:00 a.m.-5:42 p.m.

2 stops13h 42m

Ottawa

mié. 28/1

8:25 p.m.-8:35 p.m.

2 stops19h 10m

C$ 829

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

mar. 25/11

9:00 a.m.-7:22 p.m.

2 stops15h 22m

Ottawa

mié. 28/1

10:20 a.m.-7:10 a.m.

2 stops15h 50m

C$ 833

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

vie. 21/11

1:25 p.m.-10:18 p.m.

1 stop13h 53m

Ottawa

mié. 28/1

10:20 a.m.-7:10 a.m.

2 stops15h 50m

C$ 850

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

vie. 14/11

1:25 p.m.-10:18 p.m.

1 stop13h 53m

Ottawa

dom. 23/11

8:30 a.m.-7:10 a.m.

2 stops17h 40m

C$ 855

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

mié. 12/11

5:35 p.m.-3:10 p.m.

1 stop26h 35m

Ottawa

jue. 20/11

5:20 p.m.-8:00 a.m.

1 stop9h 40m

C$ 898

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

mié. 10/12

2:45 p.m.-12:42 a.m.

2 stops14h 57m

Ottawa

mié. 24/12

5:20 p.m.-8:00 a.m.

1 stop9h 40m

C$ 901

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

mar. 25/11

8:55 a.m.-3:10 p.m.

1 stop11h 15m

Ottawa

mar. 2/12

5:20 p.m.-6:20 p.m.

1 stop20h 00m

C$ 919

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

mié. 3/12

6:00 a.m.-5:42 p.m.

2 stops16h 42m

Ottawa

lun. 8/12

10:50 a.m.-11:15 a.m.

2 stops19h 25m

C$ 936

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

mié. 11/3

7:25 p.m.-4:10 p.m.

1 stop24h 45m

Ottawa

dom. 15/3

6:20 p.m.-8:00 a.m.

1 stop9h 40m

C$ 945

Flights are sorted by cheapest round-trip flights first.

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

Other information

What is the typical price of a round-trip flight between London Heathrow Airport and Ottawa?

What is the cheapest month to fly to Ottawa?

The month of March is, on average, the cheapest month to fly to Ottawa from London Heathrow Airport, with most prices found around C$ 855. If you aren’t able to travel to Ottawa during the month of March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 932.

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

Our data shows that Wednesday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 1,019. Flights from London Heathrow Airport to Ottawa on a Saturday will generally be more expensive and average around C$ 1,330. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Ottawa is in the morning. Flights from London Heathrow Airport to Ottawa during this time can be as low as C$ 1,027. At noon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,131 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 C$ 1,043 when searching weeks out. 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 C$ 703 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 16% 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 round-trip 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	C$ 1,027
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 C$ 1,027. The best round-trip flight deal from London Heathrow Airport to Ottawa found on momondo in the last 72 hours is C$ 892.

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?
Ottawa is 5338.5 km away from London Heathrow. 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 were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to Ottawa Airport?
There are 4 operators available for flights from London Heathrow Airport to Ottawa Airport as of October 2025.
How old do you have to be to fly from London Heathrow Airport to Ottawa Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
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 flights between London Heathrow Airport and Ottawa, the leading airline is Air Canada, making up 62% of the total bookings. Other popular airlines include Air France with 17%, Lufthansa with 11%, and Virgin Atlantic with 10%.

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
Virgin Atlantic	PriceFrom C$ 637	Free Cancellation	Rating 7.5 670 reviews	Search Virgin Atlantic flights
Air France	PriceFrom C$ 805	Free Cancellation	Rating 7.4 1,482 reviews	Search Air France flights
Air Canada	PriceFrom C$ 811	Free Cancellation	Rating 7.1 10,371 reviews	Search Air Canada flights
Lufthansa	PriceFrom C$ 864	Free Cancellation	Rating 6.8 7,538 reviews	Search Lufthansa flights

Gatineau

Pembroke

Brockville

Smiths Falls

Perth

Wakefield

Calabogie

Prescott

Petawawa

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Ottawa for you.

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

Yes. All flights to Ottawa from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ottawa from London.

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

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

An easier way to manage your Ottawa trip

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

Start using Trips

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Get notified when prices go down

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

1 adult

vie. 28/11

vie. 5/12

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Cheap flights from London Heathrow Airport to Ottawa from C$ 520

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 13/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

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Find the cheapest flights from London Heathrow Airport to Ottawa

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

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 typical price of a round-trip flight between London Heathrow Airport and Ottawa?

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 16% 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 has had the least delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

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, organize 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 Canada

Airports servicing Ontario