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

Friday 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.

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

The number of flights available between London Heathrow Airport and Ottawa is 15 per week as of December 2025. The most frequent departure day is Wed, with 40% of weekly flights leaving on this day.

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 62% of people opting to fly with this airline when travelling to Ottawa. Keep in mind that there are 4 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

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.

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

The number of flights available between London Heathrow Airport and Ottawa is 2 per day as of December 2025. The most frequent departure time is 12:00p.m., with 100% of daily flights leaving in the afternoon.

How often are flights from London to Ottawa delayed?

Historically, on average around 8% 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 231 minutes.

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

According to our data, Air Canada has had the least delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

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

WestJet is the most popular carrier operating from London Heathrow to Ottawa

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 3 operators available for flights from London Heathrow Airport to Ottawa Airport as of December 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$ 527 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.

2:45 p.m. - 3:10 p.m.

LHR

YOW

29h 25m1 stop

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

YOW

LHR

9h 40m1 stop

C$ 881Virgin Atlantic

mar., 13 ene. - mar., 20 ene.

6:20 a.m. - 3:10 p.m.

LHR

YOW

13h 50m1 stop

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

YOW

LHR

20h 00m1 stop

C$ 883Air France

dom., 15 feb. - mar., 17 mar.

12:40 p.m. - 6:33 p.m.

LHR

YOW

10h 53m1 stop

10:05 p.m. - 9:00 p.m.

YOW

LHR

17h 55m2 stops

C$ 891Air Canada

vie., 22 may. - mié., 27 may.

9:30 a.m. - 12:25 p.m.

LHR

YOW

7h 55mdirect

8:30 p.m. - 10:00 a.m.

YOW

LHR

32h 30m2 stops

C$ 894Air Canada

lun., 11 may. - dom., 17 may.

6:00 a.m. - 6:38 p.m.

LHR

YOW

16h 38m2 stops

7:25 p.m. - 11:20 a.m.

YOW

LHR

11h 55m1 stop

C$ 895Austrian Airlines

jue., 12 mar. - lun., 16 mar.

9:30 a.m. - 9:51 p.m.

LHR

YOW

17h 21m2 stops

8:05 p.m. - 6:30 a.m.

YOW

LHR

29h 25m1 stop

C$ 899Air Canada

sáb., 11 abr. - sáb., 18 abr.

6:15 a.m. - 3:05 p.m.

LHR

YOW

13h 50m1 stop

5:15 p.m. - 1:45 p.m.

YOW

LHR

15h 30m1 stop

C$ 903Virgin Atlantic

vie., 8 may. - vie., 29 may.

9:00 a.m. - 2:07 p.m.

LHR

YOW

34h 07m2 stops

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

YOW

LHR

15h 40m2 stops

C$ 905Air Canada

jue., 8 ene. - jue., 15 ene.

9:00 a.m. - 2:21 p.m.

LHR

YOW

10h 21m1 stop

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

YOW

LHR

15h 40m2 stops

C$ 907Air Canada

jue., 8 ene. - jue., 15 ene.

8:45 a.m. - 7:34 p.m.

LHR

YOW

15h 49m2 stops

12:00 p.m. - 9:00 p.m.

YOW

LHR

28h 00m2 stops

C$ 913Multiple Airlines

mié., 8 abr. - sáb., 18 abr.

Lufthansa flights from London Heathrow Airport to Ottawa

Our best Lufthansa deals on London Heathrow Airport to Ottawa flight tickets

Lufthansa

23 Mar

LHR7:30 p.m.London Heathrow

24h 53m

2 stops

YOW4:23 p.m.Ottawa

30 Mar

YOW6:20 p.m.Ottawa

10h 40m

1 stop

LHR10:00 a.m.London Heathrow

C$ 943

Find similar

Lufthansa

11 Jan

LHR12:00 p.m.London Heathrow

7h 30m

YOW2:30 p.m.Ottawa

19 Jan

YOW4:00 p.m.Ottawa

10h 10m

1 stop

LHR7:10 a.m.London Heathrow

C$ 965

Find similar

Air Canada flights from London Heathrow Airport to Ottawa

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

Air Canada

22 May

LHR12:40 p.m.London Heathrow

10h 53m

1 stop

YOW6:33 p.m.Ottawa

27 May

YOW10:05 p.m.Ottawa

17h 55m

2 stops

LHR9:00 p.m.London Heathrow

C$ 891

Find similar

Air Canada

11 May

LHR9:30 a.m.London Heathrow

7h 55m

YOW12:25 p.m.Ottawa

17 May

YOW8:30 p.m.Ottawa

32h 30m

2 stops

LHR10:00 a.m.London Heathrow

C$ 894

Find similar

Air Canada

11 Apr

LHR9:30 a.m.London Heathrow

17h 21m

2 stops

YOW9:51 p.m.Ottawa

18 Apr

YOW8:05 p.m.Ottawa

29h 25m

1 stop

LHR6:30 a.m.London Heathrow

C$ 899

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

mar. 13/1

2:45 p.m.-3:10 p.m.

1 stop29h 25m

Ottawa

mar. 20/1

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

1 stop9h 40m

C$ 881

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

dom. 15/2

6:20 a.m.-3:10 p.m.

1 stop13h 50m

Ottawa

mar. 17/3

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

1 stop20h 00m

C$ 883

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

vie. 22/5

12:40 p.m.-6:33 p.m.

1 stop10h 53m

Ottawa

mié. 27/5

10:05 p.m.-9:00 p.m.

2 stops17h 55m

C$ 891

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

lun. 11/5

9:30 a.m.-12:25 p.m.

Nonstop7h 55m

Ottawa

dom. 17/5

8:30 p.m.-10:00 a.m.

2 stops32h 30m

C$ 894

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

jue. 12/3

6:00 a.m.-6:38 p.m.

2 stops16h 38m

Ottawa

lun. 16/3

7:25 p.m.-11:20 a.m.

1 stop11h 55m

C$ 895

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

sáb. 11/4

9:30 a.m.-9:51 p.m.

2 stops17h 21m

Ottawa

sáb. 18/4

8:05 p.m.-6:30 a.m.

1 stop29h 25m

C$ 899

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

vie. 8/5

6:15 a.m.-3:05 p.m.

1 stop13h 50m

Ottawa

vie. 29/5

5:15 p.m.-1:45 p.m.

1 stop15h 30m

C$ 903

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

jue. 8/1

9:00 a.m.-2:07 p.m.

2 stops34h 07m

Ottawa

jue. 15/1

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

2 stops15h 40m

C$ 905

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

jue. 8/1

9:00 a.m.-2:21 p.m.

1 stop10h 21m

Ottawa

jue. 15/1

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

2 stops15h 40m

C$ 907

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

mié. 8/4

8:45 a.m.-7:34 p.m.

2 stops15h 49m

Ottawa

sáb. 18/4

12:00 p.m.-9:00 p.m.

2 stops28h 00m

C$ 913

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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 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$ 877. If you aren’t able to travel to Ottawa during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 887.

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

Our data shows that Friday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 940. Flights from London Heathrow Airport to Ottawa on a Sunday will generally be more expensive and average around C$ 2,043. 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$ 1,014. At noon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,116 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$ 1,013 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$ 694 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 29% 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 December 2025, prices for London Heathrow Airport to Ottawa flights are approximately 31% cheaper 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$ 920
Fastest flight time	7h 30m
Direct flights	Mon, Thu, Fri, Sat and Sun
Airports in Ottawa	1 airport

The best one-way flight to Ottawa from London Heathrow Airport in the past 72 hours is C$ 920. The best round-trip flight deal from London Heathrow Airport to Ottawa found on momondo in the last 72 hours is C$ 981.

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, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport in Ottawa. From London Heathrow Airport there are direct flights to 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 3 operators available for flights from London Heathrow Airport to Ottawa Airport as of December 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 27.37% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 24.47%, Boeing 777-300ER at 13.29%, and Boeing 777 at 6.84%.
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 71% of the total bookings. Other popular airlines include Air France with 15% and Lufthansa with 14%.

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 France	PriceFrom C$ 794	Free Cancellation	Rating 7.4 1,504 reviews	Search Air France flights
Air Canada	PriceFrom C$ 800	Free Cancellation	Rating 7.1 10,516 reviews	Search Air Canada flights
Lufthansa	PriceFrom C$ 852	Free Cancellation	Rating 6.8 7,626 reviews	Search Lufthansa flights

Air Canada Flights From London Heathrow Airport to Ottawa
Air Canada is one of the most popular airlines flying from London Heathrow Airport to Ottawa, operating 2 flights/week on average for this route. A good Air Canada flight deal for London Heathrow Airport to Ottawa starts from C$ 800 round-trip, up to an average price of C$ 1,022. Our users have rated Air Canada at 7.1/10.
Lufthansa Flights From London Heathrow Airport to Ottawa
Across 7,626 Lufthansa reviews on momondo, the average score is 6.8/10. Lufthansa flies from London Heathrow Airport to Ottawa about 3 times each week, with ticket deals ranging from C$ 852 to C$ 1,003. Price data is based on momondo searches in the last 72 hours.

Gatineau

Pembroke

Brockville

Perth

Smiths Falls

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.

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1 adult

sáb. 10/1

sáb. 17/1

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Cheap flights from London Heathrow Airport to Ottawa from C$ 527

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 25/1. 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

Filter for what you want

Filter for what you want

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Trusted and free

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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

Lufthansa flights from London Heathrow Airport to Ottawa

Our best Lufthansa deals on London Heathrow Airport to Ottawa flight tickets

Air Canada flights from London Heathrow Airport to Ottawa

Our best Air Canada 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

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 29% 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 December 2025, prices for London Heathrow Airport to Ottawa flights are approximately 31% cheaper when compared to flights at the same time last year.

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

WestJet is the most popular carrier operating from London Heathrow to Ottawa

Which airlines fly to Ottawa?

How often are flights from London to Ottawa delayed?

Historically, on average around 8% 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 231 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?

Friday 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, Air Canada has had the least delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

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

The number of flights available between London Heathrow Airport and Ottawa is 2 per day as of December 2025. The most frequent departure time is 12:00p.m., with 100% of daily flights leaving in the afternoon.

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

The number of flights available between London Heathrow Airport and Ottawa is 15 per week as of December 2025. The most frequent departure day is Wed, with 40% of weekly flights leaving on this day.

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

Air Canada Flights From London Heathrow Airport to Ottawa

Lufthansa Flights From London Heathrow Airport to Ottawa

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