Which airport is the most popular layover for flights between London and Ottawa?

Paris (CDG) was the most common stop: 75% of momondo users choosing one-stop flights on this route connected there.

Which airlines fly to Ottawa?

Air Canada, Lufthansa and British Airways are the top three most popular airlines that fly to Ottawa from London 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 6 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

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

2 flights are operational daily from London to Ottawa as of November 2025. The most popular departure time for this route is 12:00p.m., with 100% of flights per day taking off in the afternoon.

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

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

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 to Ottawa on average per week?

The number of flights available between London and Ottawa is 18 per week as of November 2025. The most frequent departure day is Wed, with 33% of weekly flights leaving on this day.

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 layover airport has the shortest travel time from London to Ottawa?

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 11h 10m.

How often are flights from London to Ottawa delayed?

Historically, on average around 9% 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 layover airport offers the lowest fares from London to Ottawa?

Flights via Paris (CDG) offer the lowest average round-trip price of C$ 387.

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 9% of their flights experiencing any sort of delay.

Which layover airport has the shortest connection time from London to Ottawa?

Paris (CDG) has the shortest average layover time for this route: 1h 30m.

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

Prices for flights from London to Ottawa Airport refresh daily.

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

As of November 2025, there are 4 operators available to choose from for flights from London to Ottawa Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London 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.

C$ 381 Cheap Flights from London to Ottawa in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from C$ 1,051 to C$ 1,439. The lowest price recently found on this route was C$ 900.

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11:40 a.m. - 12:43 a.m.LGW-YOW

18h 03m1 stop

3:05 p.m. - 9:45 a.m.YOW-LGW

13h 40m1 stop

C$ 900Air Transat

Find Deal

Sat, 7 Feb - Wed, 11 Feb

9:00 a.m. - 9:18 p.m.LHR-YOW

17h 18m2 stops

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

15h 40m2 stops

C$ 900Air Canada

Find Deal

Fri, 9 Jan - Sun, 18 Jan

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

11h 15m1 stop

5:20 p.m. - 9:25 p.m.YOW-LHR

23h 05m1 stop

C$ 902Virgin Atlantic

Find Deal

Sun, 15 Feb - Thu, 26 Feb

11:40 a.m. - 12:43 a.m.LGW-YOW

18h 03m1 stop

3:05 p.m. - 9:45 a.m.YOW-LGW

13h 40m1 stop

C$ 902Air Transat

Find Deal

Thu, 22 Jan - Thu, 29 Jan

1:25 p.m. - 9:46 a.m.LHR-YOW

25h 21m2 stops

5:45 a.m. - 7:10 a.m.YOW-LHR

20h 25m1 stop

C$ 903Air Canada

Find Deal

Tue, 9 Dec - Mon, 23 Feb

11:40 a.m. - 6:28 p.m.LGW-YOW

11h 48m1 stop

10:00 a.m. - 9:45 a.m.YOW-LGW

18h 45m1 stop

C$ 903Air Transat

Find Deal

Wed, 21 Jan - Sat, 31 Jan

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

13h 50m1 stop

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

9h 40m1 stop

C$ 909Air France

Find Deal

Tue, 9 Dec - Tue, 17 Mar

9:00 a.m. - 3:05 p.m.LHR-YOW

11h 05m1 stop

5:15 p.m. - 10:30 a.m.YOW-LHR

12h 15m1 stop

C$ 911Virgin Atlantic

Find Deal

Fri, 8 May - Fri, 15 May

6:10 p.m. - 11:08 p.m.LCY-YOW

33h 58m2 stops

6:05 p.m. - 9:15 a.m.YOW-LCY

34h 10m2 stops

C$ 1,051Lufthansa

Find Deal

Wed, 28 Jan - Sun, 1 Feb

6:10 p.m. - 11:08 p.m.LCY-YOW

33h 58m2 stops

6:05 p.m. - 9:15 a.m.YOW-LCY

34h 10m2 stops

C$ 1,053Lufthansa

Find Deal

Wed, 28 Jan - Sun, 1 Feb

Air Canada flights from London to Ottawa

Our best Air Canada deals on London to Ottawa flight tickets

Air Canada

9 Jan

LHR9:00 a.m.London Heathrow

17h 18m

2 stops

YOW9:18 p.m.Ottawa

18 Jan

YOW10:30 a.m.Ottawa

15h 40m

2 stops

LHR7:10 a.m.London Heathrow

C$ 900

Find similar

Air Canada

9 Dec

LHR1:25 p.m.London Heathrow

25h 21m

2 stops

YOW9:46 a.m.Ottawa

23 Feb

YOW5:45 a.m.Ottawa

20h 25m

1 stop

LHR7:10 a.m.London Heathrow

C$ 903

Find similar

Air Canada

9 Feb

LHR9:00 a.m.London Heathrow

17h 18m

2 stops

YOW9:18 p.m.Ottawa

20 Feb

YOW9:55 p.m.Ottawa

6h 25m

LHR9:20 a.m.London Heathrow

C$ 904

Find similar

United Airlines flights from London to Ottawa

Our best United Airlines deals on London to Ottawa flight tickets

United Airlines

4 Dec

LHR6:30 a.m.London Heathrow

19h 48m

2 stops

YOW9:18 p.m.Ottawa

11 Mar

YOW6:00 a.m.Ottawa

23h 10m

2 stops

LHR9:10 a.m.London Heathrow

C$ 947

Find similar

United Airlines

15 Jan

LHR8:30 a.m.London Heathrow

17h 48m

2 stops

YOW9:18 p.m.Ottawa

25 Jan

YOW12:00 p.m.Ottawa

17h 50m

2 stops

LHR10:50 a.m.London Heathrow

C$ 954

Find similar

United Airlines

27 Nov

LHR8:30 a.m.London Heathrow

15h 27m

2 stops

YOW6:57 p.m.Ottawa

1 Dec

YOW3:10 p.m.Ottawa

14h 40m

2 stops

LHR10:50 a.m.London Heathrow

C$ 1,030

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 7/2

11:40 a.m.-12:43 a.m.

1 stop18h 03m

Ottawa

Wed 11/2

3:05 p.m.-9:45 a.m.

1 stop13h 40m

C$ 900

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 9/1

9:00 a.m.-9:18 p.m.

2 stops17h 18m

Ottawa

Sun 18/1

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

2 stops15h 40m

C$ 900

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 15/2

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

1 stop11h 15m

Ottawa

Thu 26/2

5:20 p.m.-9:25 p.m.

1 stop23h 05m

C$ 902

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 22/1

11:40 a.m.-12:43 a.m.

1 stop18h 03m

Ottawa

Thu 29/1

3:05 p.m.-9:45 a.m.

1 stop13h 40m

C$ 902

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 9/12

1:25 p.m.-9:46 a.m.

2 stops25h 21m

Ottawa

Mon 23/2

5:45 a.m.-7:10 a.m.

1 stop20h 25m

C$ 903

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 21/1

11:40 a.m.-6:28 p.m.

1 stop11h 48m

Ottawa

Sat 31/1

10:00 a.m.-9:45 a.m.

1 stop18h 45m

C$ 903

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 9/12

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

1 stop13h 50m

Ottawa

Tue 17/3

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

1 stop9h 40m

C$ 909

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 8/5

9:00 a.m.-3:05 p.m.

1 stop11h 05m

Ottawa

Fri 15/5

5:15 p.m.-10:30 a.m.

1 stop12h 15m

C$ 911

LondonOttawa

LCY - YOW

LCYYOW

London City

Wed 28/1

6:10 p.m.-11:08 p.m.

2 stops33h 58m

Ottawa

Sun 1/2

6:05 p.m.-9:15 a.m.

2 stops34h 10m

C$ 1,051

LondonOttawa

LCY - YOW

LCYYOW

London City

Wed 28/1

6:10 p.m.-11:08 p.m.

2 stops33h 58m

Ottawa

Sun 1/2

6:05 p.m.-9:15 a.m.

2 stops34h 10m

C$ 1,053

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 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

Layovers

Other information

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

What is the cheapest month to fly to Ottawa?

The month of January is, on average, the cheapest month to fly to Ottawa from London, with most prices found around C$ 889. If you aren’t able to travel to Ottawa during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 918.

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$ 1,029. Flights from London to Ottawa on a Saturday will generally be more expensive and average around C$ 1,343. 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 to Ottawa during this time can be as low as C$ 1,037. At noon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,142 per ticket.

What is the cheapest London to Ottawa flight route?

Fly from London Heathrow to Ottawa for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around C$ 1,042 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from London for as low as C$ 710 on momondo.

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

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

You could potentially save up to 36% on your flight if you consider stops on a London to Ottawa flight.

How have London to Ottawa flight prices changed over time?

As of November 2025, prices for London to Ottawa flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from London to Ottawa

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

Estimated round-trip price

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

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

Best price found	C$ 923
Fastest flight time	7h 30m
Direct flights	Mon, Thu, Sat and Sun
Airports in Ottawa	1 airport

The best one-way flight to Ottawa from London in the past 72 hours is C$ 923. The best round-trip flight deal from London to Ottawa found on momondo in the last 72 hours is C$ 962.

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

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

There is 1 airport near Ottawa: Ottawa (YOW)

Search flight deals

How far is London to Ottawa by plane?
London and Ottawa are 5358.1 km apart from one another. Typically, this will take 7h 30m by plane in normal conditions.
When did momondo last update prices for flights from London to Ottawa Airport?
Prices for flights from London to Ottawa Airport refresh daily.
How many operators does momondo search for flights from London to Ottawa Airport?
As of November 2025, there are 4 operators available to choose from for flights from London to Ottawa Airport.
How old do you have to be to fly from London to Ottawa Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London 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 to Ottawa?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Ottawa is Boeing 787-9 Dreamliner (29.97% of total bookings). The next most popular plane models are Boeing 777-300ER (19.77%), Boeing 787-8 Dreamliner (16.12%), and Airbus A330-300 (5.29%).
What is the most popular airline from London to Ottawa?
Based on momondo bookings for flights between London and Ottawa, the leading airline is Air Canada, making up 72% of the total bookings. Other popular airlines include Air Transat with 16% and Lufthansa with 12%.

Best airlines flying from London to Ottawa

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

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom C$ 643	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
Air France	PriceFrom C$ 812	Free Cancellation	Rating 7.4 1,497 reviews	Search Air France flights
Air Canada	PriceFrom C$ 818	Free Cancellation	Rating 7.1 10,481 reviews	Search Air Canada flights
Lufthansa	PriceFrom C$ 872	Free Cancellation	Rating 6.8 7,594 reviews	Search Lufthansa flights

Air Canada Flights From London to Ottawa
Air Canada is one of the most popular airlines flying from London to Ottawa, operating 3 flights/week on average for this route. A good Air Canada flight deal for London to Ottawa starts from C$ 818 round-trip, up to an average price of C$ 1,028. Our users have rated Air Canada at 7.1/10.
Lufthansa Flights From London to Ottawa
C$ 872 is the best Lufthansa flight deal from London to Ottawa found on momondo over the last 72 hours. The average Lufthansa ticket price found was closer to C$ 1,026, however, with flight time and availability significantly affecting the price. Lufthansa (6.8/10 from 7,594 user reviews) flies into Ottawa from London 3 times in an average week so prices can vary.

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?

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?

momondo does allow users to show only those flights to Ottawa from London which offer a flexible booking policy as well as other useful filters and features.

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?

Price alerts on flights to Ottawa from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from London to Ottawa from C$ 381

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 to Ottawa departing on 17/3. 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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Cheap round-trip flights

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Air Canada flights from London to Ottawa

Our best Air Canada deals on London to Ottawa flight tickets

United Airlines flights from London to Ottawa

Our best United Airlines deals on London to Ottawa flight tickets

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

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How to get the cheapest flight ticket from London 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 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?

Our most recent data shows that the best time of day to fly to Ottawa is in the morning. Flights from London to Ottawa during this time can be as low as C$ 1,037. At noon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,142 per ticket.

What is the cheapest London to Ottawa flight route?

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

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

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

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

You could potentially save up to 36% on your flight if you consider stops on a London to Ottawa flight.

How have London to Ottawa flight prices changed over time?

As of November 2025, prices for London to Ottawa flights are approximately 9% cheaper when compared to flights at the same time last year.

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

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

Which airlines fly to Ottawa?

How often are flights from London to Ottawa delayed?

Historically, on average around 9% 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?

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, Air Canada has had the least delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between London and Ottawa?

Paris (CDG) was the most common stop: 75% of momondo users choosing one-stop flights on this route connected there.

Which layover airport offers the lowest fares from London to Ottawa?

Flights via Paris (CDG) offer the lowest average round-trip price of C$ 387.

Which layover airport has the shortest travel time from London to Ottawa?

Flights connecting via Paris (CDG) have the shortest average one-way travel time: 11h 10m.

Which layover airport has the shortest connection time from London to Ottawa?

Paris (CDG) has the shortest average layover time for this route: 1h 30m.

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

2 flights are operational daily from London to Ottawa as of November 2025. The most popular departure time for this route is 12:00p.m., with 100% of flights per day taking off in the afternoon.

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

The number of flights available between London and Ottawa is 18 per week as of November 2025. The most frequent departure day is Wed, with 33% of weekly flights leaving on this day.

When to book flights from London to Ottawa

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

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

Best price found

Fastest flight time

Direct flights

Airports in Ottawa

How far is London to Ottawa by plane?

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

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

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

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

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

What is the most popular airline from London to Ottawa?

Best airlines flying from London to Ottawa

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

Air Canada Flights From London to Ottawa

Lufthansa Flights From London to Ottawa

Travelling to a place near Ottawa?