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

Air Canada and WestJet 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 49% 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 November 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$ 287 Cheap Flights from Ottawa to London in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

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

13h 32m2 stops

8:10 p.m. - 12:40 a.m.YXU-YOW

28h 30m1 stop

C$ 579WestJet

Find Deal

Wed, 3 Dec - Wed, 10 Dec

6:55 p.m. - 7:12 p.m.YOW-YXU

24h 17m1 stop

8:10 p.m. - 4:53 p.m.YXU-YOW

20h 43m1 stop

C$ 588Multiple Airlines

Find Deal

Wed, 3 Dec - Wed, 10 Dec

2:05 p.m. - 5:05 p.m.YOW-YXU

3h 00m1 stop

5:40 p.m. - 9:18 p.m.YXU-YOW

3h 38m1 stop

C$ 623Air Canada

Find Deal

Mon, 8 Dec - Thu, 11 Dec

5:00 a.m. - 8:46 a.m.YOW-YXU

3h 46m1 stop

9:25 a.m. - 3:23 p.m.YXU-YOW

5h 58m1 stop

C$ 640Air Canada

Find Deal

Fri, 5 Dec - Fri, 12 Dec

6:45 p.m. - 7:12 p.m.YOW-YXU

24h 27m2 stops

8:10 p.m. - 2:44 p.m.YXU-YOW

18h 34m2 stops

C$ 647Multiple Airlines

Find Deal

Wed, 3 Dec - Wed, 10 Dec

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

5h 00m1 stop

5:10 a.m. - 9:23 a.m.YXU-YOW

4h 13m1 stop

C$ 665Air Canada

Find Deal

Thu, 18 Dec - Thu, 25 Dec

6:45 p.m. - 7:12 p.m.YOW-YXU

24h 27m3 stops

8:10 p.m. - 2:44 p.m.YXU-YOW

18h 34m2 stops

C$ 668Multiple Airlines

Find Deal

Wed, 3 Dec - Wed, 10 Dec

6:05 p.m. - 9:21 p.m.YOW-YXU

3h 16m1 stop

9:25 a.m. - 1:18 p.m.YXU-YOW

3h 53m1 stop

C$ 677Air Canada

Find Deal

Sat, 29 Nov - Sat, 6 Dec

5:45 p.m. - 6:35 a.m.YOW-YXU

12h 50m1 stop

8:10 p.m. - 4:53 p.m.YXU-YOW

20h 43m1 stop

C$ 682WestJet

Find Deal

Tue, 24 Mar - Wed, 25 Mar

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

13h 32m2 stops

7:30 a.m. - 4:53 p.m.YXU-YOW

9h 23m1 stop

C$ 689WestJet

Find Deal

Fri, 5 Dec - Fri, 12 Dec

Air Canada flights from Ottawa to London, Ontario

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

Air Canada

8 Dec

YOW2:05 p.m.Ottawa

3h 00m

1 stop

YXU5:05 p.m.London

11 Dec

YXU5:40 p.m.London

3h 38m

1 stop

YOW9:18 p.m.Ottawa

C$ 623

Find similar

Air Canada

5 Dec

YOW5:00 a.m.Ottawa

3h 46m

1 stop

YXU8:46 a.m.London

12 Dec

YXU9:25 a.m.London

5h 58m

1 stop

YOW3:23 p.m.Ottawa

C$ 640

Find similar

Air Canada

18 Dec

YOW12:05 p.m.Ottawa

5h 00m

1 stop

YXU5:05 p.m.London

25 Dec

YXU5:10 a.m.London

4h 13m

1 stop

YOW9:23 a.m.Ottawa

C$ 665

Find similar

WestJet flights from Ottawa to London, Ontario

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

WestJet

3 Dec

YOW5:40 a.m.Ottawa

13h 32m

2 stops

YXU7:12 p.m.London

10 Dec

YXU8:10 p.m.London

28h 30m

1 stop

YOW12:40 a.m.Ottawa

C$ 579

Find similar

WestJet

24 Mar

YOW5:45 p.m.Ottawa

12h 50m

1 stop

YXU6:35 a.m.London

25 Mar

YXU8:10 p.m.London

20h 43m

1 stop

YOW4:53 p.m.Ottawa

C$ 682

Find similar

WestJet

5 Dec

YOW5:40 a.m.Ottawa

13h 32m

2 stops

YXU7:12 p.m.London

12 Dec

YXU7:30 a.m.London

9h 23m

1 stop

YOW4:53 p.m.Ottawa

C$ 689

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Wed 3/12

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

2 stops13h 32m

London

Wed 10/12

8:10 p.m.-12:40 a.m.

1 stop28h 30m

C$ 579

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Wed 3/12

6:55 p.m.-7:12 p.m.

1 stop24h 17m

London

Wed 10/12

8:10 p.m.-4:53 p.m.

1 stop20h 43m

C$ 588

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Mon 8/12

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

1 stop3h 00m

London

Thu 11/12

5:40 p.m.-9:18 p.m.

1 stop3h 38m

C$ 623

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Fri 5/12

5:00 a.m.-8:46 a.m.

1 stop3h 46m

London

Fri 12/12

9:25 a.m.-3:23 p.m.

1 stop5h 58m

C$ 640

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Wed 3/12

6:45 p.m.-7:12 p.m.

2 stops24h 27m

London

Wed 10/12

8:10 p.m.-2:44 p.m.

2 stops18h 34m

C$ 647

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Thu 18/12

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

1 stop5h 00m

London

Thu 25/12

5:10 a.m.-9:23 a.m.

1 stop4h 13m

C$ 665

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Wed 3/12

6:45 p.m.-7:12 p.m.

3 stops24h 27m

London

Wed 10/12

8:10 p.m.-2:44 p.m.

2 stops18h 34m

C$ 668

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Sat 29/11

6:05 p.m.-9:21 p.m.

1 stop3h 16m

London

Sat 6/12

9:25 a.m.-1:18 p.m.

1 stop3h 53m

C$ 677

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Tue 24/3

5:45 p.m.-6:35 a.m.

1 stop12h 50m

London

Wed 25/3

8:10 p.m.-4:53 p.m.

1 stop20h 43m

C$ 682

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Fri 5/12

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

2 stops13h 32m

London

Fri 12/12

7:30 a.m.-4:53 p.m.

1 stop9h 23m

C$ 689

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 October is another great option to travel to London, Ontario, with average flight prices from Ottawa averaging around C$ 679.

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$ 825. 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$ 922.

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$ 897. Flights at noon are often more expensive with an average ticket price of C$ 1,397.

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

As of November 2025, prices for Ottawa to London, Ontario flights are approximately 4% 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 3h 00m.
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 November 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$ 378	Free Cancellation	Rating 7.2 3,153 reviews		Search WestJet flights
Air Canada	PriceFrom C$ 555	Free Cancellation	Rating 7.1 10,398 reviews		Search Air Canada flights

Grand Bend

Port Stanley

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.