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 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 is 1 operator available for flights from Ottawa Airport to London Airport as of September 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$ 268 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.

8:15 p.m. - 5:20 a.m.YOW Ottawa-YXU London

9h 05m1 stop Calgary

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

23h 25m1 stop Calgary

C$ 402WestJet

Thu, 15 Oct - Mon, 19 Oct

8:15 p.m. - 5:20 a.m.YOW Ottawa-YXU London

9h 05m1 stop Calgary

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

23h 25m1 stop Calgary

C$ 410WestJet

Thu, 15 Oct - Mon, 19 Oct

8:15 p.m. - 5:20 a.m.YOW Ottawa-YXU London

9h 05m1 stop Calgary

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

23h 25m1 stop Calgary

C$ 417WestJet

Wed, 14 Oct - Wed, 21 Oct

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

22h 00m1 stop Calgary

6:10 a.m. - 5:15 p.m.YXU London-YOW Ottawa

11h 05m1 stop Calgary

C$ 423WestJet

Sat, 10 Oct - Sat, 17 Oct

8:15 p.m. - 5:20 a.m.YOW Ottawa-YXU London

9h 05m1 stop Calgary

6:10 a.m. - 12:55 p.m.YXU London-YOW Ottawa

30h 45m1 stop Calgary

C$ 432Multiple Airlines

Wed, 14 Oct - Wed, 21 Oct

8:15 p.m. - 5:20 a.m.YOW Ottawa-YXU London

9h 05m1 stop Calgary

6:10 a.m. - 12:25 a.m.YXU London-YOW Ottawa

18h 15m2 stops Calgary Toronto Pearson Intl

C$ 437Multiple Airlines

Wed, 14 Oct - Wed, 21 Oct

8:15 p.m. - 5:20 a.m.YOW Ottawa-YXU London

9h 05m1 stop Calgary

6:10 a.m. - 12:25 a.m.YXU London-YOW Ottawa

18h 15m2 stops Calgary Toronto Pearson Intl

C$ 438Multiple Airlines

Wed, 14 Oct - Wed, 21 Oct

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

15h 20m1 stop Calgary

6:10 a.m. - 5:15 p.m.YXU London-YOW Ottawa

11h 05m1 stop Calgary

C$ 455Multiple Airlines

Mon, 12 Oct - Sat, 24 Oct

4:00 p.m. - 7:40 p.m.YOW Ottawa-YXU London

3h 40m1 stop Toronto Pearson Intl

8:30 p.m. - 1:40 a.m.YXU London-YOW Ottawa

5h 10m1 stop Toronto Pearson Intl

C$ 821Air Canada

Sat, 24 Oct - Sun, 1 Nov

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

3h 15m1 stop Toronto Pearson Intl

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

4h 25m1 stop Toronto Pearson Intl

C$ 821Air Canada

Sun, 18 Oct - Sat, 24 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

8:15 p.m. - 5:20 a.m.YOW Ottawa-YXU London

9h 05m1 stop Calgary

6:10 a.m. - 5:15 p.m.YXU London-YOW Ottawa

11h 05m1 stop Calgary

C$ 844WestJet

Wed, 23 Sep - Tue, 29 Sep

8:15 p.m. - 5:20 a.m.YOW Ottawa-YXU London

9h 05m1 stop Calgary

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

23h 25m1 stop Calgary

C$ 845WestJet

Wed, 23 Sep - Tue, 29 Sep

8:15 p.m. - 5:20 a.m.YOW Ottawa-YXU London

9h 05m1 stop Calgary

6:10 a.m. - 5:15 p.m.YXU London-YOW Ottawa

11h 05m1 stop Calgary

C$ 869WestJet

Wed, 23 Sep - Tue, 29 Sep

8:15 p.m. - 5:20 a.m.YOW Ottawa-YXU London

9h 05m1 stop Calgary

6:10 a.m. - 5:15 p.m.YXU London-YOW Ottawa

11h 05m1 stop Calgary

C$ 901WestJet

Wed, 23 Sep - Tue, 29 Sep

8:15 p.m. - 5:20 a.m.YOW Ottawa-YXU London

9h 05m1 stop Calgary

6:10 a.m. - 5:15 p.m.YXU London-YOW Ottawa

11h 05m1 stop Calgary

C$ 904WestJet

Wed, 23 Sep - Tue, 29 Sep

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

22h 00m1 stop Calgary

6:10 a.m. - 5:15 p.m.YXU London-YOW Ottawa

11h 05m1 stop Calgary

C$ 919WestJet

Sat, 19 Sep - Sat, 26 Sep

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

22h 00m1 stop Calgary

6:10 a.m. - 5:15 p.m.YXU London-YOW Ottawa

11h 05m1 stop Calgary

C$ 990WestJet

Sun, 20 Sep - Sun, 27 Sep

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

15h 20m2 stops Hamilton Calgary

6:10 a.m. - 5:15 p.m.YXU London-YOW Ottawa

11h 05m1 stop Calgary

C$ 997Multiple Airlines

Sat, 19 Sep - Sat, 26 Sep

11:10 a.m. - 5:43 p.m.YOW Ottawa-YXU London

6h 33m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

5:40 a.m. - 9:05 a.m.YXU London-YOW Ottawa

3h 25m1 stop Toronto Pearson Intl

C$ 1,201Air Canada

Wed, 23 Sep - Tue, 29 Sep

11:10 a.m. - 5:43 p.m.YOW Ottawa-YXU London

6h 33m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

5:40 a.m. - 9:05 a.m.YXU London-YOW Ottawa

3h 25m1 stop Toronto Pearson Intl

C$ 1,202Air Canada

Wed, 23 Sep - Tue, 29 Sep

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WestJet flights from Ottawa to London, Ontario

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

WestJet

15 Oct

YOW8:15 p.m.Ottawa

9h 05m

1 stop

YXU5:20 a.m.London

19 Oct

YXU6:10 a.m.London

23h 25m

1 stop

YOW5:35 a.m.Ottawa

C$ 402

WestJet

15 Oct

YOW8:15 p.m.Ottawa

9h 05m

1 stop

YXU5:20 a.m.London

19 Oct

YXU6:10 a.m.London

23h 25m

1 stop

YOW5:35 a.m.Ottawa

C$ 410

WestJet

14 Oct

YOW8:15 p.m.Ottawa

9h 05m

1 stop

YXU5:20 a.m.London

21 Oct

YXU6:10 a.m.London

23h 25m

1 stop

YOW5:35 a.m.Ottawa

C$ 417

Air Canada flights from Ottawa to London, Ontario

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

Air Canada

25 Sep

YOW12:00 p.m.Ottawa

5h 43m

1 stop

YXU5:43 p.m.London

3 Oct

YXU5:40 a.m.London

8h 18m

2 stops

YOW1:58 p.m.Ottawa

C$ 1,167

Air Canada

25 Sep

YOW2:45 p.m.Ottawa

6h 55m

2 stops

YXU9:40 p.m.London

3 Oct

YXU5:40 a.m.London

8h 18m

2 stops

YOW1:58 p.m.Ottawa

C$ 1,171

Air Canada

25 Sep

YOW12:00 p.m.Ottawa

5h 43m

1 stop

YXU5:43 p.m.London

3 Oct

YXU5:40 a.m.London

8h 18m

2 stops

YOW1:58 p.m.Ottawa

C$ 1,177

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Thu 15/10

8:15 p.m.-5:20 a.m.

1 stop9h 05m

London

Mon 19/10

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

1 stop23h 25m

C$ 402

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Thu 15/10

8:15 p.m.-5:20 a.m.

1 stop9h 05m

London

Mon 19/10

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

1 stop23h 25m

C$ 410

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Wed 14/10

8:15 p.m.-5:20 a.m.

1 stop9h 05m

London

Wed 21/10

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

1 stop23h 25m

C$ 417

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Sat 10/10

7:20 a.m.-5:20 a.m.

1 stop22h 00m

London

Sat 17/10

6:10 a.m.-5:15 p.m.

1 stop11h 05m

C$ 423

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Wed 14/10

8:15 p.m.-5:20 a.m.

1 stop9h 05m

London

Wed 21/10

6:10 a.m.-12:55 p.m.

1 stop30h 45m

C$ 432

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Wed 14/10

8:15 p.m.-5:20 a.m.

1 stop9h 05m

London

Wed 21/10

6:10 a.m.-12:25 a.m.

2 stops18h 15m

C$ 437

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Wed 14/10

8:15 p.m.-5:20 a.m.

1 stop9h 05m

London

Wed 21/10

6:10 a.m.-12:25 a.m.

2 stops18h 15m

C$ 438

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Mon 12/10

2:00 p.m.-5:20 a.m.

1 stop15h 20m

London

Sat 24/10

6:10 a.m.-5:15 p.m.

1 stop11h 05m

C$ 455

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Sat 24/10

4:00 p.m.-7:40 p.m.

1 stop3h 40m

London

Sun 1/11

8:30 p.m.-1:40 a.m.

1 stop5h 10m

C$ 821

Quickest round-trip

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Sun 18/10

5:10 a.m.-8:25 a.m.

1 stop3h 15m

London

Sat 24/10

8:20 p.m.-12:45 a.m.

1 stop4h 25m

C$ 821

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$ 688.

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

You could potentially save up to 38% 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$ 268
Fastest flight time	4h 10m
Direct flights	None

The best one-way flight to London, Ontario from Ottawa in the past 72 hours is C$ 268. The best round-trip flight deal from Ottawa to London, Ontario found on momondo in the last 72 hours is C$ 402.

The fastest flight from Ottawa to London, Ontario takes 4h 10m

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 4h 10m.
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 September 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$ 468	Free Cancellation	Rating 7.1 11,641 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.