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

WestJet and Air Canada are the most popular carriers operating from Ottawa to London

Which airlines fly to London, Ontario?

WestJet, Porter Airlines and Air Canada are the top three most popular airlines that fly to London, Ontario from Ottawa according to our data. WestJet is the first choice among our users, with 50% of people opting to fly with this airline when travelling to London, Ontario. Keep in mind that there are 4 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Ottawa Airport to London Airport were last updated today.

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

There is 1 operator available for flights from Ottawa Airport to London Airport as of October 2026.

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

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

The travel and health documents required for your trip to London 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 London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 312 Cheap Flights from Ottawa to London, Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:10 a.m. - 5:35 a.m.YOW Ottawa-YXU London

23h 25m1 stop Calgary

6:40 a.m. - 11:40 p.m.YXU London-YOW Ottawa

17h 00m1 stop Calgary

C$ 606WestJet

Wed, 11 Nov - Wed, 18 Nov

4:15 p.m. - 5:35 a.m.YOW Ottawa-YXU London

13h 20m1 stop Calgary

6:40 a.m. - 11:40 p.m.YXU London-YOW Ottawa

17h 00m1 stop Calgary

C$ 623WestJet

Mon, 30 Nov - Mon, 7 Dec

4:15 p.m. - 5:35 a.m.YOW Ottawa-YXU London

13h 20m1 stop Calgary

6:40 a.m. - 11:40 p.m.YXU London-YOW Ottawa

17h 00m1 stop Calgary

C$ 623WestJet

Sun, 6 Dec - Thu, 10 Dec

5:30 a.m. - 5:45 p.m.YOW Ottawa-YXU London

12h 15m2 stops Toronto Pearson Intl Fort Lauderdale

6:40 a.m. - 11:40 p.m.YXU London-YOW Ottawa

17h 00m1 stop Calgary

C$ 666Multiple Airlines

Mon, 30 Nov - Mon, 7 Dec

6:10 a.m. - 5:35 a.m.YOW Ottawa-YXU London

23h 25m1 stop Calgary

6:40 a.m. - 11:40 p.m.YXU London-YOW Ottawa

17h 00m1 stop Calgary

C$ 690WestJet

Thu, 19 Nov - Fri, 27 Nov

6:10 a.m. - 5:35 a.m.YOW Ottawa-YXU London

23h 25m1 stop Calgary

6:40 a.m. - 11:40 p.m.YXU London-YOW Ottawa

17h 00m1 stop Calgary

C$ 690WestJet

Tue, 17 Nov - Sat, 21 Nov

4:15 p.m. - 5:35 a.m.YOW Ottawa-YXU London

13h 20m1 stop Calgary

6:40 a.m. - 10:00 p.m.YXU London-YOW Ottawa

15h 20m1 stop Calgary

C$ 690WestJet

Thu, 26 Nov - Thu, 3 Dec

6:10 a.m. - 5:35 a.m.YOW Ottawa-YXU London

23h 25m1 stop Calgary

6:40 a.m. - 11:40 p.m.YXU London-YOW Ottawa

17h 00m1 stop Calgary

C$ 699WestJet

Tue, 24 Nov - Tue, 1 Dec

5:10 a.m. - 8:29 a.m.YOW Ottawa-YXU London

3h 19m1 stop Toronto Pearson Intl

5:30 a.m. - 11:16 a.m.YXU London-YOW Ottawa

5h 46m1 stop Toronto Pearson Intl

C$ 736Air Canada

Thu, 1 Apr - Thu, 15 Apr

5:10 a.m. - 8:37 a.m.YOW Ottawa-YXU London

3h 27m1 stop Toronto Pearson Intl

3:20 p.m. - 6:40 p.m.YXU London-YOW Ottawa

3h 20m1 stop Toronto Pearson Intl

C$ 851Air Canada

Mon, 1 Mar - Fri, 5 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

2:00 p.m. - 5:20 a.m.YOW Ottawa-YXU London

15h 20m1 stop Calgary

7:40 a.m. - 1:32 p.m.YXU London-YOW Ottawa

29h 52m1 stop Calgary

C$ 1,279Multiple Airlines

Tue, 20 Oct - Tue, 27 Oct

7:00 a.m. - 5:20 a.m.YOW Ottawa-YXU London

22h 20m2 stops Toronto Pearson Intl Calgary

7:40 a.m. - 1:32 p.m.YXU London-YOW Ottawa

29h 52m1 stop Calgary

C$ 1,325Multiple Airlines

Tue, 20 Oct - Tue, 27 Oct

12:25 p.m. - 5:20 a.m.YOW Ottawa-YXU London

16h 55m2 stops Winnipeg Calgary

5:55 p.m. - 12:55 p.m.YXU London-YOW Ottawa

19h 00m1 stop Calgary

C$ 1,466Multiple Airlines

Sun, 18 Oct - Mon, 19 Oct

9:00 a.m. - 2:50 p.m.YOW Ottawa-YXU London

5h 50m1 stop Toronto Pearson Intl

8:20 p.m. - 12:45 a.m.YXU London-YOW Ottawa

4h 25m1 stop Toronto Pearson Intl

C$ 1,467Air Canada

Tue, 20 Oct - Tue, 20 Oct

5:10 a.m. - 8:25 a.m.YOW Ottawa-YXU London

3h 15m1 stop Toronto Pearson Intl

3:25 p.m. - 6:45 p.m.YXU London-YOW Ottawa

3h 20m1 stop Toronto Pearson Intl

C$ 1,476Air Canada

Sun, 18 Oct - Sun, 25 Oct

2:00 p.m. - 5:20 a.m.YOW Ottawa-YXU London

15h 20m2 stops Hamilton Calgary

7:40 a.m. - 8:13 a.m.YXU London-YOW Ottawa

24h 33m3 stops Calgary Vancouver Intl Toronto Pearson Intl

C$ 1,478Multiple Airlines

Tue, 20 Oct - Tue, 27 Oct

2:00 p.m. - 5:20 a.m.YOW Ottawa-YXU London

15h 20m1 stop Calgary

7:40 a.m. - 8:13 a.m.YXU London-YOW Ottawa

24h 33m3 stops Calgary Vancouver Intl Toronto Pearson Intl

C$ 1,481Multiple Airlines

Tue, 20 Oct - Tue, 27 Oct

6:55 a.m. - 5:20 a.m.YOW Ottawa-YXU London

22h 25m2 stops Toronto Pearson Intl Calgary

6:10 a.m. - 8:13 a.m.YXU London-YOW Ottawa

26h 03m3 stops Calgary Vancouver Intl Toronto Pearson Intl

C$ 1,486Multiple Airlines

Sun, 18 Oct - Sun, 25 Oct

4:15 p.m. - 5:20 a.m.YOW Ottawa-YXU London

13h 05m1 stop Calgary

6:10 a.m. - 5:35 a.m.YXU London-YOW Ottawa

23h 25m1 stop Calgary

C$ 1,524WestJet

Sat, 17 Oct - Mon, 19 Oct

2:00 p.m. - 5:43 p.m.YOW Ottawa-YXU London

3h 43m1 stop Toronto Pearson Intl

6:20 p.m. - 9:20 p.m.YXU London-YOW Ottawa

3h 00m1 stop Toronto Pearson Intl

C$ 1,547Air Canada

Sun, 18 Oct - Mon, 19 Oct

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Air Canada flights from Ottawa to London, Ontario

Our best Air Canada deals on Ottawa to London, Ontario flight tickets

Air Canada

1 Apr

YOW5:10 a.m.Ottawa

3h 19m

1 stop

YXU8:29 a.m.London

15 Apr

YXU5:30 a.m.London

5h 46m

1 stop

YOW11:16 a.m.Ottawa

C$ 736

Air Canada

22 Jan

YOW5:10 a.m.Ottawa

3h 27m

1 stop

YXU8:37 a.m.London

25 Jan

YXU3:20 p.m.London

3h 25m

1 stop

YOW6:45 p.m.Ottawa

C$ 908

Air Canada

14 Nov

YOW5:10 a.m.Ottawa

3h 27m

1 stop

YXU8:37 a.m.London

21 Nov

YXU3:25 p.m.London

4h 20m

1 stop

YOW7:45 p.m.Ottawa

C$ 923

WestJet flights from Ottawa to London, Ontario

Our best WestJet deals on Ottawa to London, Ontario flight tickets

WestJet

11 Nov

YOW6:10 a.m.Ottawa

23h 25m

1 stop

YXU5:35 a.m.London

18 Nov

YXU6:40 a.m.London

17h 00m

1 stop

YOW11:40 p.m.Ottawa

C$ 606

WestJet

30 Nov

YOW4:15 p.m.Ottawa

13h 20m

1 stop

YXU5:35 a.m.London

7 Dec

YXU6:40 a.m.London

17h 00m

1 stop

YOW11:40 p.m.Ottawa

C$ 623

WestJet

19 Nov

YOW6:10 a.m.Ottawa

23h 25m

1 stop

YXU5:35 a.m.London

27 Nov

YXU6:40 a.m.London

17h 00m

1 stop

YOW11:40 p.m.Ottawa

C$ 690

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Wed 11/11

6:10 a.m.-5:35 a.m.

1 stop23h 25m

London

Wed 18/11

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

1 stop17h 00m

C$ 606

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Mon 30/11

4:15 p.m.-5:35 a.m.

1 stop13h 20m

London

Mon 7/12

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

1 stop17h 00m

C$ 623

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Sun 6/12

4:15 p.m.-5:35 a.m.

1 stop13h 20m

London

Thu 10/12

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

1 stop17h 00m

C$ 623

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Mon 30/11

5:30 a.m.-5:45 p.m.

2 stops12h 15m

London

Mon 7/12

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

1 stop17h 00m

C$ 666

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Thu 19/11

6:10 a.m.-5:35 a.m.

1 stop23h 25m

London

Fri 27/11

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

1 stop17h 00m

C$ 690

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Tue 17/11

6:10 a.m.-5:35 a.m.

1 stop23h 25m

London

Sat 21/11

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

1 stop17h 00m

C$ 690

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Thu 26/11

4:15 p.m.-5:35 a.m.

1 stop13h 20m

London

Thu 3/12

6:40 a.m.-10:00 p.m.

1 stop15h 20m

C$ 690

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Tue 24/11

6:10 a.m.-5:35 a.m.

1 stop23h 25m

London

Tue 1/12

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

1 stop17h 00m

C$ 699

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Thu 1/4

5:10 a.m.-8:29 a.m.

1 stop3h 19m

London

Thu 15/4

5:30 a.m.-11:16 a.m.

1 stop5h 46m

C$ 736

Quickest round-trip

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Mon 1/3

5:10 a.m.-8:37 a.m.

1 stop3h 27m

London

Fri 5/3

3:20 p.m.-6:40 p.m.

1 stop3h 20m

C$ 851

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 Ottawa to London, Ontario

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

What is the cheapest month to fly to London, Ontario?

The month of March is another great option to travel to London, Ontario, with average flight prices from Ottawa averaging around C$ 702.

Can stopping save me money on Ottawa to London, Ontario flights?

You could potentially save up to 45% on your flight if you consider stops on a Ottawa to London, Ontario flight.

When to book flights from Ottawa to London, Ontario

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

Estimated round-trip price

Cheap Ottawa to London, Ontario (YOW to YXU) flight deals and tips

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

Best price found	C$ 312
Fastest flight time	3h 42m
Direct flights	None

The best one-way flight to London, Ontario from Ottawa in the past 72 hours is C$ 312. The best round-trip flight deal from Ottawa to London, Ontario found on momondo in the last 72 hours is C$ 606.

The fastest flight from Ottawa to London, Ontario takes 3h 42m

There are no direct flights from Ottawa to London, Ontario. There are no popular flight routes from Ottawa to London, Ontario.

Search flight deals

Frequently asked questions about flying from Ottawa to London, Ontario

How far is Ottawa to London by plane?
A flight from Ottawa to London will travel around 517.1 km. In terms of flight time, this usually takes a little over 3h 42m.
When did momondo last update prices for flights from Ottawa Airport to London Airport?
Prices for flights from Ottawa Airport to London Airport were last updated today.
How many operators does momondo search for flights from Ottawa Airport to London Airport?
There is 1 operator available for flights from Ottawa Airport to London Airport as of October 2026.
How old do you have to be to fly from Ottawa Airport to London 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 Ottawa Airport to London Airport.
What documentation or ID do you need to fly to London Airport?
The travel and health documents required for your trip to London 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 London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ottawa to London, Ontario?
momondo data reveals that the most frequently booked airline on the route from Ottawa to London, Ontario is Air Canada, representing 100% of all bookings.

Best airlines flying from Ottawa to London, Ontario

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 454	Free Cancellation	Rating 7.1 11,769 reviews		Search Air Canada flights

Grand Bend

Port Stanley

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Why should I use momondo to find a flight deal from Ottawa to London?

Finding the right flight to London from Ottawa is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Ottawa to London with flexible booking policies on momondo?

Yes. All flights to London from Ottawa on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ottawa to London?

Once all potential Ottawa to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ottawa to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Ottawa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.