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 43% 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.

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

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 August 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$ 242 Cheap Flights from Ottawa to London in 2025

1 adult

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Find the cheapest flights from Ottawa to London

Round-trip

One-way

Last minute

Cheap round-trip flights

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

9h 57m1 stop

8:00 p.m. - 6:45 a.m.YXU-YOW

10h 45m1 stop

C$ 443WestJet

Find Deal

Fri, 3 Oct - Sun, 5 Oct

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

11h 57m2 stops

8:00 p.m. - 6:45 a.m.YXU-YOW

10h 45m1 stop

C$ 447WestJet

Find Deal

Fri, 3 Oct - Sun, 5 Oct

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

9h 57m1 stop

6:00 a.m. - 2:56 p.m.YXU-YOW

8h 56m1 stop

C$ 479WestJet

Find Deal

Tue, 14 Oct - Sat, 18 Oct

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

9h 57m1 stop

8:00 p.m. - 5:21 p.m.YXU-YOW

21h 21m2 stops

C$ 492

Find Deal

Tue, 14 Oct - Sat, 18 Oct

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

9h 57m1 stop

8:00 p.m. - 6:20 p.m.YXU-YOW

22h 20m1 stop

C$ 554WestJet

Find Deal

Sat, 11 Oct - Tue, 14 Oct

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

9h 57m1 stop

10:00 a.m. - 1:04 p.m.YXU-YOW

3h 04m1 stop

C$ 556

Find Deal

Sat, 20 Sep - Sun, 21 Sep

5:55 p.m. - 9:27 p.m.YOW-YXU

3h 32m1 stop

6:15 a.m. - 11:04 a.m.YXU-YOW

4h 49m1 stop

C$ 603Air Canada

Find Deal

Mon, 13 Oct - Sat, 18 Oct

5:15 a.m. - 9:19 a.m.YOW-YXU

4h 04m1 stop

3:50 p.m. - 9:09 p.m.YXU-YOW

5h 19m1 stop

C$ 696Air Canada

Find Deal

Thu, 11 Sep - Thu, 11 Sep

2:40 p.m. - 9:27 p.m.YOW-YXU

6h 47m2 stops

6:15 a.m. - 9:14 a.m.YXU-YOW

2h 59m1 stop

C$ 746Air Canada

Find Deal

Sat, 11 Oct - Tue, 14 Oct

3:55 p.m. - 9:27 p.m.YOW-YXU

5h 32m1 stop

10:00 a.m. - 1:04 p.m.YXU-YOW

3h 04m1 stop

C$ 1,121Air Canada

Find Deal

Mon, 1 Sep - Thu, 4 Sep

Air Canada flights from Ottawa to London, Ontario

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

Air Canada

13 Oct

YOW5:55 p.m.Ottawa

3h 32m

1 stop

YXU9:27 p.m.London

18 Oct

YXU6:15 a.m.London

4h 49m

1 stop

YOW11:04 a.m.Ottawa

C$ 603

Find similar

Air Canada

11 Sep

YOW5:15 a.m.Ottawa

4h 04m

1 stop

YXU9:19 a.m.London

11 Sep

YXU3:50 p.m.London

5h 19m

1 stop

YOW9:09 p.m.Ottawa

C$ 696

Find similar

Air Canada

11 Oct

YOW2:40 p.m.Ottawa

6h 47m

2 stops

YXU9:27 p.m.London

14 Oct

YXU6:15 a.m.London

2h 59m

1 stop

YOW9:14 a.m.Ottawa

C$ 746

Find similar

WestJet flights from Ottawa to London, Ontario

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

WestJet

3 Oct

YOW7:15 p.m.Ottawa

9h 57m

1 stop

YXU5:12 a.m.London

5 Oct

YXU8:00 p.m.London

10h 45m

1 stop

YOW6:45 a.m.Ottawa

C$ 443

Find similar

WestJet

3 Oct

YOW5:15 p.m.Ottawa

11h 57m

2 stops

YXU5:12 a.m.London

5 Oct

YXU8:00 p.m.London

10h 45m

1 stop

YOW6:45 a.m.Ottawa

C$ 447

Find similar

WestJet

14 Oct

YOW7:15 p.m.Ottawa

9h 57m

1 stop

YXU5:12 a.m.London

18 Oct

YXU6:00 a.m.London

8h 56m

1 stop

YOW2:56 p.m.Ottawa

C$ 479

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Fri 3/10

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

1 stop9h 57m

London

Sun 5/10

8:00 p.m.-6:45 a.m.

1 stop10h 45m

C$ 443

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Fri 3/10

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

2 stops11h 57m

London

Sun 5/10

8:00 p.m.-6:45 a.m.

1 stop10h 45m

C$ 447

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Tue 14/10

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

1 stop9h 57m

London

Sat 18/10

6:00 a.m.-2:56 p.m.

1 stop8h 56m

C$ 479

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Tue 14/10

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

1 stop9h 57m

London

Sat 18/10

8:00 p.m.-5:21 p.m.

2 stops21h 21m

C$ 492

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Sat 11/10

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

1 stop9h 57m

London

Tue 14/10

8:00 p.m.-6:20 p.m.

1 stop22h 20m

C$ 554

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Sat 20/9

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

1 stop9h 57m

London

Sun 21/9

10:00 a.m.-1:04 p.m.

1 stop3h 04m

C$ 556

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Mon 13/10

5:55 p.m.-9:27 p.m.

1 stop3h 32m

London

Sat 18/10

6:15 a.m.-11:04 a.m.

1 stop4h 49m

C$ 603

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Thu 11/9

5:15 a.m.-9:19 a.m.

1 stop4h 04m

London

Thu 11/9

3:50 p.m.-9:09 p.m.

1 stop5h 19m

C$ 696

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Sat 11/10

2:40 p.m.-9:27 p.m.

2 stops6h 47m

London

Tue 14/10

6:15 a.m.-9:14 a.m.

1 stop2h 59m

C$ 746

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Mon 1/9

3:55 p.m.-9:27 p.m.

1 stop5h 32m

London

Thu 4/9

10:00 a.m.-1:04 p.m.

1 stop3h 04m

C$ 1,121

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 July is another great option to travel to London, Ontario, with average flight prices from Ottawa averaging around C$ 783.

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$ 817. 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$ 914.

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$ 890. Flights at noon are often more expensive with an average ticket price of C$ 1,385.

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

As of August 2025, prices for Ottawa to London, Ontario flights are approximately 96% more expensive 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 07m.
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 August 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 88% of all bookings. The subsequent popular airline is WestJet at 12%.

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$ 375	Free Cancellation	Rating 7.2 3,044 reviews		Search WestJet flights
Air Canada	PriceFrom C$ 566	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.