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

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

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 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.

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

The number of flights available between London and Ottawa is 28 per week as of September 2025. The most frequent departure day is Mon, with 25% 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 offers the lowest fares from London to Ottawa?

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

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 64% 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 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 September 2025, 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$ 436 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$ 891 to C$ 1,157. The lowest price recently found on this route was C$ 808.

1 adult

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Find the cheapest flights from London to Ottawa

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

5:50 p.m. - 12:22 a.m.LHR-YOW

11h 32m1 stop

5:15 p.m. - 9:25 p.m.YOW-LHR

23h 10m1 stop

C$ 808

Find Deal

Thu, 9 Oct - Mon, 20 Oct

9:30 a.m. - 12:22 a.m.LHR-YOW

19h 52m2 stops

5:40 a.m. - 11:20 a.m.YOW-LHR

24h 40m1 stop

C$ 825

Find Deal

Wed, 15 Oct - Thu, 6 Nov

5:50 p.m. - 12:22 a.m.LHR-YOW

11h 32m1 stop

5:20 p.m. - 10:45 a.m.YOW-LHR

12h 25m2 stops

C$ 835KLM

Find Deal

Wed, 15 Oct - Thu, 6 Nov

10:45 a.m. - 12:22 a.m.LGW-YOW

18h 37m2 stops

5:55 a.m. - 9:25 a.m.YOW-LGW

22h 30m2 stops

C$ 836WestJet

Find Deal

Sat, 11 Oct - Sat, 18 Oct

9:00 a.m. - 10:18 p.m.LHR-YOW

18h 18m2 stops

12:05 p.m. - 7:10 a.m.YOW-LHR

15h 05m2 stops

C$ 857Air Canada

Find Deal

Thu, 5 Mar - Sun, 8 Mar

6:50 a.m. - 1:51 p.m.LHR-YOW

12h 01m2 stops

9:55 p.m. - 9:00 p.m.YOW-LHR

18h 05m2 stops

C$ 868Air Canada

Find Deal

Thu, 9 Oct - Sun, 12 Oct

6:30 a.m. - 4:10 p.m.LHR-YOW

13h 40m2 stops

5:20 p.m. - 10:45 a.m.YOW-LHR

12h 25m2 stops

C$ 871KLM

Find Deal

Wed, 29 Oct - Wed, 5 Nov

10:45 a.m. - 12:22 a.m.LGW-YOW

18h 37m2 stops

5:55 a.m. - 9:25 a.m.YOW-LGW

22h 30m2 stops

C$ 893WestJet

Find Deal

Wed, 1 Oct - Mon, 6 Oct

11:40 a.m. - 12:41 a.m.LGW-YOW

17h 01m1 stop

6:55 p.m. - 9:45 a.m.YOW-LGW

9h 50m1 stop

C$ 958Air Transat

Find Deal

Thu, 30 Oct - Thu, 6 Nov

12:40 p.m. - 9:00 p.m.LGW-YOW

13h 20m1 stop

5:05 p.m. - 10:45 a.m.YOW-LGW

12h 40m1 stop

C$ 959Air Transat

Find Deal

Wed, 1 Oct - Mon, 6 Oct

Lufthansa flights from London to Ottawa

Our best Lufthansa deals on London to Ottawa flight tickets

Lufthansa

22 Oct

LHR12:40 p.m.London Heathrow

7h 20m

YOW3:00 p.m.Ottawa

25 Oct

YOW7:50 p.m.Ottawa

44h 45m

2 stops

LHR9:35 p.m.London Heathrow

C$ 898

Find similar

Lufthansa

11 Oct

LHR12:40 p.m.London Heathrow

7h 20m

YOW3:00 p.m.Ottawa

18 Oct

YOW5:55 p.m.Ottawa

31h 40m

1 stop

LHR6:35 a.m.London Heathrow

C$ 918

Find similar

Lufthansa

9 Oct

LHR2:05 p.m.London Heathrow

7h 20m

YOW4:25 p.m.Ottawa

20 Oct

YOW6:55 p.m.Ottawa

6h 35m

LHR6:30 a.m.London Heathrow

C$ 955

Find similar

Air Canada flights from London to Ottawa

Our best Air Canada deals on London to Ottawa flight tickets

Air Canada

5 Mar

LHR9:00 a.m.London Heathrow

18h 18m

2 stops

YOW10:18 p.m.Ottawa

8 Mar

YOW12:05 p.m.Ottawa

15h 05m

2 stops

LHR7:10 a.m.London Heathrow

C$ 857

Find similar

Air Canada

9 Oct

LHR6:50 a.m.London Heathrow

12h 01m

2 stops

YOW1:51 p.m.Ottawa

12 Oct

YOW9:55 p.m.Ottawa

18h 05m

2 stops

LHR9:00 p.m.London Heathrow

C$ 868

Find similar

Air Canada

30 Sep

LHR6:50 a.m.London Heathrow

12h 01m

2 stops

YOW1:51 p.m.Ottawa

27 Nov

YOW10:20 a.m.Ottawa

15h 50m

2 stops

LHR7:10 a.m.London Heathrow

C$ 869

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 9/10

5:50 p.m.-12:22 a.m.

1 stop11h 32m

Ottawa

Mon 20/10

5:15 p.m.-9:25 p.m.

1 stop23h 10m

C$ 808

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 15/10

9:30 a.m.-12:22 a.m.

2 stops19h 52m

Ottawa

Thu 6/11

5:40 a.m.-11:20 a.m.

1 stop24h 40m

C$ 825

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 15/10

5:50 p.m.-12:22 a.m.

1 stop11h 32m

Ottawa

Thu 6/11

5:20 p.m.-10:45 a.m.

2 stops12h 25m

C$ 835

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 11/10

10:45 a.m.-12:22 a.m.

2 stops18h 37m

Ottawa

Sat 18/10

5:55 a.m.-9:25 a.m.

2 stops22h 30m

C$ 836

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 5/3

9:00 a.m.-10:18 p.m.

2 stops18h 18m

Ottawa

Sun 8/3

12:05 p.m.-7:10 a.m.

2 stops15h 05m

C$ 857

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 9/10

6:50 a.m.-1:51 p.m.

2 stops12h 01m

Ottawa

Sun 12/10

9:55 p.m.-9:00 p.m.

2 stops18h 05m

C$ 868

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 29/10

6:30 a.m.-4:10 p.m.

2 stops13h 40m

Ottawa

Wed 5/11

5:20 p.m.-10:45 a.m.

2 stops12h 25m

C$ 871

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 1/10

10:45 a.m.-12:22 a.m.

2 stops18h 37m

Ottawa

Mon 6/10

5:55 a.m.-9:25 a.m.

2 stops22h 30m

C$ 893

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 30/10

11:40 a.m.-12:41 a.m.

1 stop17h 01m

Ottawa

Thu 6/11

6:55 p.m.-9:45 a.m.

1 stop9h 50m

C$ 958

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 1/10

12:40 p.m.-9:00 p.m.

1 stop13h 20m

Ottawa

Mon 6/10

5:05 p.m.-10:45 a.m.

1 stop12h 40m

C$ 959

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

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$ 871. 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$ 884.

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$ 1,018. Flights from London to Ottawa on a Saturday will generally be more expensive and average around C$ 1,317. 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$ 1,018. At noon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,120 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$ 1,028 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$ 720 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 48% 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 September 2025, prices for London to Ottawa flights are approximately 15% 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$ 1,008
Fastest flight time	7h 20m
Direct flights	Tue, Thu, Fri and Sun
Airports in Ottawa	1 airport

The best one-way flight to Ottawa from London in the past 72 hours is C$ 1,008. The best round-trip flight deal from London to Ottawa found on momondo in the last 72 hours is C$ 1,007.

The fastest flight from London to Ottawa takes 7h 20m

Direct flights go from London to Ottawa on Tuesday, Thursday, Friday 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 20m 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 September 2025, 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 777-200LR (20.70% of total bookings). The next most popular plane models are Boeing 777 (16.98%), Boeing 787-9 Dreamliner (11.16%), and Airbus A330-200 (8.37%).
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 80% of the total bookings. Other popular airlines include Air Transat with 20%.

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$ 737	Free Cancellation	Rating 7.4 1,469 reviews	Search Air France flights
Air Canada	PriceFrom C$ 812	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Lufthansa	PriceFrom C$ 856	Free Cancellation	Rating 6.8 7,407 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 4 flights/week on average for this route. A good Air Canada flight deal for London to Ottawa starts from C$ 586 round-trip, up to an average price of C$ 757. Our users have rated Air Canada at 7.1/10.
Lufthansa Flights From London to Ottawa
C$ 618 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$ 698, however, with flight time and availability significantly affecting the price. Lufthansa (6.8/10 from 7,407 user reviews) flies into Ottawa from London 4 times in an average week so prices can vary.

Gatineau

Pembroke

Brockville

Smiths Falls

Perth

Wakefield

Calabogie

Prescott

Petawawa

Winchester

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$ 436

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 15/12. 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

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Find the cheapest flights from London to Ottawa

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Lufthansa flights from London to Ottawa

Our best Lufthansa deals on London to Ottawa flight tickets

Air Canada flights from London to Ottawa

Our best Air Canada 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

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$ 1,018. At noon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,120 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 48% 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 September 2025, prices for London to Ottawa flights are approximately 15% 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?

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?

4 flights are operational daily from London to Ottawa as of September 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 28 per week as of September 2025. The most frequent departure day is Mon, with 25% 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?

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