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

Flights via Paris (CDG) offer the lowest average round-trip price of C$ 379.

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

2 flights are operational daily from London to Ottawa as of January 2026. 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 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 layover airport has the shortest connection time from London to Ottawa?

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

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 5 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 week?

The number of flights available between London and Ottawa is 18 per week as of January 2026. The most frequent departure day is Wed, with 33% of weekly flights leaving on this day.

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

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

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 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 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 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.

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 January 2026, there are 3 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$ 394 Cheap Flights from London to Ottawa in 2026

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11:40 a.m. - 12:39 a.m.

LGW

YOW

17h 59m1 stop

5:40 a.m. - 9:45 a.m.

YOW

LGW

23h 05m1 stop

C$ 845Multiple Airlines

Sat, 14 Feb - Sat, 21 Feb

9:00 a.m. - 5:41 p.m.

LHR

YOW

13h 41m2 stops

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

YOW

LHR

15h 40m2 stops

C$ 845Air Canada

Tue, 3 Feb - Wed, 11 Feb

8:50 a.m. - 12:39 a.m.

LHR

YOW

20h 49m2 stops

5:40 a.m. - 8:05 a.m.

YOW

LHR

21h 25m2 stops

C$ 846Multiple Airlines

Sat, 14 Feb - Sat, 21 Feb

6:00 p.m. - 1:38 a.m.

LHR

YOW

12h 38m1 stop

9:55 p.m. - 9:20 a.m.

YOW

LHR

6h 25mdirect

C$ 849Air Canada

Sat, 14 Feb - Fri, 20 Feb

11:40 a.m. - 8:25 a.m.

LGW

YOW

25h 45m1 stop

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

YOW

LGW

18h 45m1 stop

C$ 886Air Transat

Thu, 19 Feb - Sun, 22 Feb

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

LGW

YOW

18h 03m1 stop

6:50 p.m. - 9:45 a.m.

YOW

LGW

9h 55m1 stop

C$ 887Air Transat

Sat, 7 Feb - Sat, 14 Feb

9:50 a.m. - 6:38 p.m.

LCY

YOW

13h 48m2 stops

2:05 p.m. - 5:40 p.m.

YOW

LCY

22h 35m2 stops

C$ 997Lufthansa

Wed, 11 Feb - Wed, 18 Feb

9:15 a.m. - 5:41 p.m.

LCY

YOW

13h 26m2 stops

2:05 p.m. - 9:15 a.m.

YOW

LCY

14h 10m2 stops

C$ 1,006SWISS

Tue, 3 Feb - Tue, 10 Feb

9:15 a.m. - 7:18 p.m.

LCY

YOW

15h 03m2 stops

10:50 a.m. - 12:55 p.m.

YOW

LCY

21h 05m2 stops

C$ 1,019SWISS

Thu, 19 Feb - Sun, 22 Feb

9:50 a.m. - 6:38 p.m.

LCY

YOW

13h 48m2 stops

2:05 p.m. - 9:15 a.m.

YOW

LCY

14h 10m2 stops

C$ 1,096Lufthansa

Mon, 2 Feb - Sun, 8 Feb

Air Transat flights from London to Ottawa

Our best Air Transat deals on London to Ottawa flight tickets

Air Transat

19 Feb

LGW11:40 a.m.London Gatwick

25h 45m

1 stop

YOW8:25 a.m.Ottawa

22 Feb

YOW10:00 a.m.Ottawa

18h 45m

1 stop

LGW9:45 a.m.London Gatwick

C$ 886

Air Transat

7 Feb

LGW11:40 a.m.London Gatwick

18h 03m

1 stop

YOW12:43 a.m.Ottawa

14 Feb

YOW6:50 p.m.Ottawa

9h 55m

1 stop

LGW9:45 a.m.London Gatwick

C$ 887

Air Transat

22 Jan

LGW11:40 a.m.London Gatwick

11h 48m

1 stop

YOW6:28 p.m.Ottawa

25 Jan

YOW3:05 p.m.Ottawa

13h 40m

1 stop

LGW9:45 a.m.London Gatwick

C$ 892

SWISS flights from London to Ottawa

Our best SWISS deals on London to Ottawa flight tickets

SWISS

3 Feb

LCY9:15 a.m.London City

13h 26m

2 stops

YOW5:41 p.m.Ottawa

10 Feb

YOW2:05 p.m.Ottawa

14h 10m

2 stops

LCY9:15 a.m.London City

C$ 1,006

SWISS

15 Jan

LCY9:15 a.m.London City

13h 26m

2 stops

YOW5:41 p.m.Ottawa

20 Jan

YOW4:15 p.m.Ottawa

19h 50m

2 stops

LCY5:05 p.m.London City

C$ 1,015

SWISS

19 Feb

LCY9:15 a.m.London City

15h 03m

2 stops

YOW7:18 p.m.Ottawa

22 Feb

YOW10:50 a.m.Ottawa

21h 05m

2 stops

LCY12:55 p.m.London City

C$ 1,019

Fly from

Fly to

Route

Depart

Return

Price

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 14/2

11:40 a.m.-12:39 a.m.

1 stop17h 59m

Ottawa

Sat 21/2

5:40 a.m.-9:45 a.m.

1 stop23h 05m

C$ 845

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 3/2

9:00 a.m.-5:41 p.m.

2 stops13h 41m

Ottawa

Wed 11/2

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

2 stops15h 40m

C$ 845

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 14/2

8:50 a.m.-12:39 a.m.

2 stops20h 49m

Ottawa

Sat 21/2

5:40 a.m.-8:05 a.m.

2 stops21h 25m

C$ 846

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 14/2

6:00 p.m.-1:38 a.m.

1 stop12h 38m

Ottawa

Fri 20/2

9:55 p.m.-9:20 a.m.

Nonstop6h 25m

C$ 849

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 19/2

11:40 a.m.-8:25 a.m.

1 stop25h 45m

Ottawa

Sun 22/2

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

1 stop18h 45m

C$ 886

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 7/2

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

1 stop18h 03m

Ottawa

Sat 14/2

6:50 p.m.-9:45 a.m.

1 stop9h 55m

C$ 887

LondonOttawa

LCY - YOW

LCYYOW

London City

Wed 11/2

9:50 a.m.-6:38 p.m.

2 stops13h 48m

Ottawa

Wed 18/2

2:05 p.m.-5:40 p.m.

2 stops22h 35m

C$ 997

LondonOttawa

LCY - YOW

LCYYOW

London City

Tue 3/2

9:15 a.m.-5:41 p.m.

2 stops13h 26m

Ottawa

Tue 10/2

2:05 p.m.-9:15 a.m.

2 stops14h 10m

C$ 1,006

LondonOttawa

LCY - YOW

LCYYOW

London City

Thu 19/2

9:15 a.m.-7:18 p.m.

2 stops15h 03m

Ottawa

Sun 22/2

10:50 a.m.-12:55 p.m.

2 stops21h 05m

C$ 1,019

LondonOttawa

LCY - YOW

LCYYOW

London City

Mon 2/2

9:50 a.m.-6:38 p.m.

2 stops13h 48m

Ottawa

Sun 8/2

2:05 p.m.-9:15 a.m.

2 stops14h 10m

C$ 1,096

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 February is, on average, the cheapest month to fly to Ottawa from London, with most prices found around C$ 905. If you aren’t able to travel to Ottawa during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of C$ 915.

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$ 1,008. Flights from London to Ottawa on a Sunday will generally be more expensive and average around C$ 2,048. 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$ 1,087. At noon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,128 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$ 1,029 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$ 701 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 38% 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 January 2026, prices for London to Ottawa flights are approximately 5% 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$ 814
Fastest flight time	7h 30m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Ottawa	1 airport

The best one-way flight to Ottawa from London in the past 72 hours is C$ 814. The best round-trip flight deal from London to Ottawa found on momondo in the last 72 hours is C$ 1,207.

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

Direct flights go from London to Ottawa on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Air Transat.

There is 1 airport in Ottawa. From London there are direct flights to 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 January 2026, there are 3 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 787-8 Dreamliner (26.45% of total bookings). The next most popular plane models are Boeing 777-300ER (14.95%), Boeing 787-9 Dreamliner (11.70%), and Airbus A330-300 (8.16%).
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 73% of the total bookings. Other popular airlines include Air Transat with 14% 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
Air France	PriceFrom C$ 796	Free Cancellation	Rating 7.4 1,519 reviews	Search Air France flights
Air Canada	PriceFrom C$ 802	Free Cancellation	Rating 7.1 10,603 reviews	Search Air Canada flights
Lufthansa	PriceFrom C$ 854	Free Cancellation	Rating 6.8 7,696 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$ 802 round-trip, up to an average price of C$ 1,016. Our users have rated Air Canada at 7.1/10.
Lufthansa Flights From London to Ottawa
C$ 854 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$ 1,005, however, with flight time and availability significantly affecting the price. Lufthansa (6.8/10 from 7,696 user reviews) flies into Ottawa from London 3 times in an average week so prices can vary.

Gatineau

Pembroke

Brockville

Perth

Smiths Falls

Wakefield

Prescott

Calabogie

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$ 394

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 16/3. 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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Air Transat flights from London to Ottawa

Our best Air Transat deals on London to Ottawa flight tickets

SWISS flights from London to Ottawa

Our best SWISS 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.

See travel insights to Ottawa from

How to get the cheapest flight ticket from London to Ottawa

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$ 1,087. At noon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,128 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 38% 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 January 2026, prices for London to Ottawa flights are approximately 5% cheaper when compared to flights at the same time last year.

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

WestJet, Virgin Atlantic, and Air France 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 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.

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$ 379.

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 January 2026. 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 January 2026. 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?

Why use momondo?