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

WestJet is the most popular carrier 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 46% 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 are 2 operators available for flights from Ottawa Airport to London Airport as of September 2025.

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$ 213 Cheap Flights from Ottawa to London in 2025/26

1 adult

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Find the cheapest flights from Ottawa to London

Round-trip

One-way

Last minute

Cheap round-trip flights

5:40 a.m. - 7:12 p.m.YOW-YXU

13h 32m2 stops

8:00 p.m. - 4:53 p.m.YXU-YOW

20h 53m1 stop

C$ 437WestJet

Find Deal

Fri, 21 Nov - Mon, 24 Nov

7:15 p.m. - 5:12 a.m.YOW-YXU

9h 57m1 stop

8:10 p.m. - 12:42 a.m.YXU-YOW

28h 32m2 stops

C$ 442WestJet

Find Deal

Thu, 23 Oct - Sun, 26 Oct

5:15 p.m. - 5:12 a.m.YOW-YXU

11h 57m2 stops

8:10 p.m. - 2:27 p.m.YXU-YOW

18h 17m1 stop

C$ 458

Find Deal

Wed, 15 Oct - Mon, 27 Oct

7:15 p.m. - 5:12 a.m.YOW-YXU

9h 57m1 stop

8:10 p.m. - 2:27 p.m.YXU-YOW

18h 17m1 stop

C$ 462

Find Deal

Wed, 15 Oct - Mon, 27 Oct

7:15 p.m. - 5:12 a.m.YOW-YXU

9h 57m1 stop

8:10 p.m. - 2:27 p.m.YXU-YOW

18h 17m1 stop

C$ 476

Find Deal

Thu, 23 Oct - Sun, 26 Oct

7:15 p.m. - 5:12 a.m.YOW-YXU

9h 57m1 stop

8:10 p.m. - 12:42 a.m.YXU-YOW

28h 32m3 stops

C$ 536WestJet

Find Deal

Thu, 23 Oct - Sun, 26 Oct

5:15 a.m. - 9:17 a.m.YOW-YXU

4h 02m1 stop

3:40 p.m. - 7:04 p.m.YXU-YOW

3h 24m1 stop

C$ 597Air Canada

Find Deal

Fri, 17 Oct - Sat, 25 Oct

10:00 a.m. - 3:02 p.m.YOW-YXU

5h 02m1 stop

9:55 a.m. - 1:09 p.m.YXU-YOW

3h 14m1 stop

C$ 685Air Canada

Find Deal

Sat, 11 Oct - Tue, 14 Oct

12:05 p.m. - 5:05 p.m.YOW-YXU

5h 00m1 stop

5:45 a.m. - 11:18 a.m.YXU-YOW

5h 33m1 stop

C$ 779Air Canada

Find Deal

Thu, 18 Dec - Fri, 2 Jan

10:00 a.m. - 3:02 p.m.YOW-YXU

5h 02m1 stop

9:55 a.m. - 1:09 p.m.YXU-YOW

3h 14m1 stop

C$ 909Air Canada

Find Deal

Sat, 4 Oct - Mon, 13 Oct

WestJet flights from Ottawa to London, Ontario

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

WestJet

21 Nov

YOW5:40 a.m.Ottawa

13h 32m

2 stops

YXU7:12 p.m.London

24 Nov

YXU8:00 p.m.London

20h 53m

1 stop

YOW4:53 p.m.Ottawa

C$ 437

Find similar

WestJet

23 Oct

YOW7:15 p.m.Ottawa

9h 57m

1 stop

YXU5:12 a.m.London

26 Oct

YXU8:10 p.m.London

28h 32m

2 stops

YOW12:42 a.m.Ottawa

C$ 442

Find similar

WestJet

23 Oct

YOW7:15 p.m.Ottawa

9h 57m

1 stop

YXU5:12 a.m.London

26 Oct

YXU8:10 p.m.London

28h 32m

3 stops

YOW12:42 a.m.Ottawa

C$ 536

Find similar

Air Canada flights from Ottawa to London, Ontario

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

Air Canada

17 Oct

YOW5:15 a.m.Ottawa

4h 02m

1 stop

YXU9:17 a.m.London

25 Oct

YXU3:40 p.m.London

3h 24m

1 stop

YOW7:04 p.m.Ottawa

C$ 597

Find similar

Air Canada

11 Oct

YOW10:00 a.m.Ottawa

5h 02m

1 stop

YXU3:02 p.m.London

14 Oct

YXU9:55 a.m.London

3h 14m

1 stop

YOW1:09 p.m.Ottawa

C$ 685

Find similar

Air Canada

18 Dec

YOW12:05 p.m.Ottawa

5h 00m

1 stop

YXU5:05 p.m.London

2 Jan

YXU5:45 a.m.London

5h 33m

1 stop

YOW11:18 a.m.Ottawa

C$ 779

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Fri 21/11

5:40 a.m.-7:12 p.m.

2 stops13h 32m

London

Mon 24/11

8:00 p.m.-4:53 p.m.

1 stop20h 53m

C$ 437

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Thu 23/10

7:15 p.m.-5:12 a.m.

1 stop9h 57m

London

Sun 26/10

8:10 p.m.-12:42 a.m.

2 stops28h 32m

C$ 442

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Wed 15/10

5:15 p.m.-5:12 a.m.

2 stops11h 57m

London

Mon 27/10

8:10 p.m.-2:27 p.m.

1 stop18h 17m

C$ 458

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Wed 15/10

7:15 p.m.-5:12 a.m.

1 stop9h 57m

London

Mon 27/10

8:10 p.m.-2:27 p.m.

1 stop18h 17m

C$ 462

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Thu 23/10

7:15 p.m.-5:12 a.m.

1 stop9h 57m

London

Sun 26/10

8:10 p.m.-2:27 p.m.

1 stop18h 17m

C$ 476

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Thu 23/10

7:15 p.m.-5:12 a.m.

1 stop9h 57m

London

Sun 26/10

8:10 p.m.-12:42 a.m.

3 stops28h 32m

C$ 536

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Fri 17/10

5:15 a.m.-9:17 a.m.

1 stop4h 02m

London

Sat 25/10

3:40 p.m.-7:04 p.m.

1 stop3h 24m

C$ 597

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Sat 11/10

10:00 a.m.-3:02 p.m.

1 stop5h 02m

London

Tue 14/10

9:55 a.m.-1:09 p.m.

1 stop3h 14m

C$ 685

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Thu 18/12

12:05 p.m.-5:05 p.m.

1 stop5h 00m

London

Fri 2/1

5:45 a.m.-11:18 a.m.

1 stop5h 33m

C$ 779

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Sat 4/10

10:00 a.m.-3:02 p.m.

1 stop5h 02m

London

Mon 13/10

9:55 a.m.-1:09 p.m.

1 stop3h 14m

C$ 909

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 September is another great option to travel to London, Ontario, with average flight prices from Ottawa averaging around C$ 758.

What is the cheapest day to depart on your flight to London, Ontario?

According to our data, Thursday is the cheapest day to fly to London, Ontario from Ottawa. The lowest ticket price found for a Thursday departure recently was C$ 815. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Tuesday is the most expensive day to depart from Ottawa because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 910.

What is the cheapest time of day to depart on your flight to London, Ontario?

Our most recent data shows that the best time of day to fly to London, Ontario is in the morning. Flights from Ottawa to London, Ontario during this time can be as low as C$ 887. Flights at noon are often more expensive with an average ticket price of C$ 1,381.

How have Ottawa to London, Ontario flight prices changed over time?

As of September 2025, prices for Ottawa to London, Ontario flights are approximately 1% cheaper when compared to flights at the same time last year.

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

Direct flights	None

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

Search flight deals

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 4h 02m.
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 are 2 operators available for flights from Ottawa Airport to London Airport as of September 2025.
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 89% of all bookings. The subsequent popular airline is WestJet at 11%.

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
WestJet	PriceFrom C$ 374	Free Cancellation	Rating 7.2 3,091 reviews		Search WestJet flights
Air Canada	PriceFrom C$ 569	Free Cancellation	Rating 7.1 10,000 reviews		Search Air Canada flights

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Why use momondo?

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.