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 July 2025. The most frequent departure day is Mon, with 25% of weekly flights leaving on this day.

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

4 flights are operational daily from London to Ottawa as of July 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 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 67% 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 July 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$ 375 Cheap Flights from London to Ottawa in 2025

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$ 982 to C$ 1,547. The lowest price recently found on this route was C$ 651.

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Find the cheapest flights from London to Ottawa

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

4:00 p.m. - 9:11 a.m.LHR-YOW

22h 11m1 stop

8:00 a.m. - 10:00 a.m.YOW-LHR

21h 00m1 stop

C$ 651Air Canada

Find Deal

Sat, 23 Aug - Mon, 25 Aug

6:00 p.m. - 9:11 a.m.LHR-YOW

20h 11m1 stop

8:00 a.m. - 10:00 a.m.YOW-LHR

21h 00m1 stop

C$ 679Air Canada

Find Deal

Sat, 23 Aug - Mon, 25 Aug

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

11h 32m1 stop

5:25 p.m. - 6:35 p.m.YOW-LHR

20h 10m1 stop

C$ 720Air France

Find Deal

Sun, 31 Aug - Sun, 7 Sep

8:40 a.m. - 12:42 a.m.LHR-YOW

21h 02m2 stops

5:20 p.m. - 10:30 a.m.YOW-LHR

12h 10m1 stop

C$ 725

Find Deal

Sun, 11 Jan - Fri, 16 Jan

3:00 p.m. - 12:22 a.m.LHR-YOW

14h 22m2 stops

5:15 p.m. - 4:35 p.m.YOW-LHR

18h 20m1 stop

C$ 731Air France

Find Deal

Thu, 4 Sep - Sat, 13 Sep

6:15 a.m. - 3:00 p.m.LHR-YOW

13h 45m1 stop

5:15 p.m. - 4:35 p.m.YOW-LHR

18h 20m1 stop

C$ 747Virgin Atlantic

Find Deal

Tue, 23 Sep - Tue, 30 Sep

11:30 a.m. - 3:05 p.m.LHR-YOW

32h 35m1 stop

5:15 p.m. - 8:00 a.m.YOW-LHR

9h 45m1 stop

C$ 757Virgin Atlantic

Find Deal

Thu, 4 Sep - Sat, 13 Sep

11:45 a.m. - 12:42 a.m.LHR-YOW

17h 57m2 stops

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

12h 25m2 stops

C$ 768KLM

Find Deal

Sun, 11 Jan - Sun, 18 Jan

1:00 p.m. - 4:58 p.m.LGW-YOW

32h 58m2 stops

10:50 a.m. - 6:20 a.m.YOW-LGW

14h 30m1 stop

C$ 776

Find Deal

Tue, 23 Sep - Tue, 30 Sep

6:30 a.m. - 3:10 p.m.LHR-YOW

13h 40m2 stops

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

12h 25m2 stops

C$ 934KLM

Find Deal

Tue, 4 Nov - Thu, 20 Nov

Air France flights from London to Ottawa

Our best Air France deals on London to Ottawa flight tickets

Air France

31 Aug

LHR5:50 p.m.London Heathrow

11h 32m

1 stop

YOW12:22 a.m.Ottawa

7 Sep

YOW5:25 p.m.Ottawa

20h 10m

1 stop

LHR6:35 p.m.London Heathrow

C$ 720

Find similar

Air France

4 Sep

LHR3:00 p.m.London Heathrow

14h 22m

2 stops

YOW12:22 a.m.Ottawa

13 Sep

YOW5:15 p.m.Ottawa

18h 20m

1 stop

LHR4:35 p.m.London Heathrow

C$ 731

Find similar

Air France

12 Jan

LHR2:45 p.m.London Heathrow

14h 57m

2 stops

YOW12:42 a.m.Ottawa

16 Jan

YOW5:20 p.m.Ottawa

12h 10m

1 stop

LHR10:30 a.m.London Heathrow

C$ 734

Find similar

KLM flights from London to Ottawa

Our best KLM deals on London to Ottawa flight tickets

KLM

11 Jan

LHR11:45 a.m.London Heathrow

17h 57m

2 stops

YOW12:42 a.m.Ottawa

18 Jan

YOW5:20 p.m.Ottawa

12h 25m

2 stops

LHR10:45 a.m.London Heathrow

C$ 768

Find similar

KLM

4 Nov

LHR6:30 a.m.London Heathrow

13h 40m

2 stops

YOW3:10 p.m.Ottawa

20 Nov

YOW5:20 p.m.Ottawa

12h 25m

2 stops

LHR10:45 a.m.London Heathrow

C$ 934

Find similar

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

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$ 863. 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$ 875.

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$ 1,016. Flights from London to Ottawa on a Saturday will generally be more expensive and average around C$ 1,307. 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$ 1,016. At noon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,121 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$ 1,047 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$ 747 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 32% 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 July 2025, prices for London to Ottawa flights are approximately 38% 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$ 375
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$ 375. The best round-trip flight deal from London to Ottawa found on momondo in the last 72 hours is C$ 651.

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

Direct flights go from London to Ottawa on Tuesday, Thursday, Friday and Sunday. Airlines offering direct flights are: Lufthansa and Air Canada.

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 July 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 787-9 Dreamliner (49.43% of total bookings). The next most popular plane models are Boeing 777 (20.55%), Boeing 777-200LR (5.95%), and Airbus A319 (5.63%).
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 71% of the total bookings. Other popular airlines include Air Transat with 29%.

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$ 732	Free Cancellation	Rating 7.5 1,465 reviews	Search Air France flights
Air Canada	PriceFrom C$ 819	Free Cancellation	Rating 7.1 9,743 reviews	Search Air Canada flights
Lufthansa	PriceFrom C$ 849	Free Cancellation	Rating 6.8 7,216 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$ 596 round-trip, up to an average price of C$ 760. 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$ 787, however, with flight time and availability significantly affecting the price. Lufthansa (6.8/10 from 7,216 user reviews) flies into Ottawa from London 4 times in an average week so prices can vary.

Gatineau

Brockville

Pembroke

Smiths Falls

Wakefield

Calabogie

Perth

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.

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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Cheap flights from London to Ottawa from C$ 375

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 16/10. 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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Filter for what you want

Trusted and free

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

Air France flights from London to Ottawa

Our best Air France deals on London to Ottawa flight tickets

KLM flights from London to Ottawa

Our best KLM deals on London to Ottawa flight tickets

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$ 1,016. At noon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,121 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 32% 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 July 2025, prices for London to Ottawa flights are approximately 38% cheaper when compared to flights at the same time last year.

Which airlines fly to Ottawa?

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

4 flights are operational daily from London to Ottawa as of July 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 July 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

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

Find better results for your trip to Canada

Airports servicing Ontario