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Cheap flights from Ottawa to London from C$ 219

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to London departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ottawa to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
12:25 p.m. - 1:50 p.m.YOW  Ottawa-YXU London
25h 25m1 stop Winnipeg
WestJet Logo
6:10 a.m. - 5:15 p.m.YXU  London-YOW Ottawa
11h 05m1 stop Calgary
C$ 457WestJet
Sat, 5 Sep - Sat, 12 Sep
WestJet Logo
8:15 p.m. - 5:20 a.m.YOW  Ottawa-YXU London
9h 05m1 stop Calgary
WestJet Logo
6:10 a.m. - 5:15 p.m.YXU  London-YOW Ottawa
11h 05m1 stop Calgary
C$ 460WestJet
Wed, 23 Sep - Tue, 29 Sep
WestJet Logo
8:15 p.m. - 5:20 a.m.YOW  Ottawa-YXU London
9h 05m1 stop Calgary
WestJet Logo
5:55 p.m. - 5:35 a.m.YXU  London-YOW Ottawa
11h 40m1 stop Calgary
C$ 461WestJet
Thu, 17 Sep - Sun, 20 Sep
WestJet Logo
8:15 p.m. - 5:20 a.m.YOW  Ottawa-YXU London
9h 05m1 stop Calgary
WestJet Logo
5:55 p.m. - 5:35 a.m.YXU  London-YOW Ottawa
11h 40m1 stop Calgary
C$ 461WestJet
Fri, 18 Sep - Sun, 20 Sep
WestJet Logo
8:15 p.m. - 5:20 a.m.YOW  Ottawa-YXU London
9h 05m1 stop Calgary
WestJet Logo
5:55 p.m. - 5:35 a.m.YXU  London-YOW Ottawa
11h 40m1 stop Calgary
C$ 467WestJet
Thu, 17 Sep - Sun, 20 Sep
WestJet Logo
8:15 p.m. - 5:20 a.m.YOW  Ottawa-YXU London
9h 05m1 stop Calgary
WestJet Logo
6:10 a.m. - 5:15 p.m.YXU  London-YOW Ottawa
11h 05m1 stop Calgary
C$ 472WestJet
Wed, 23 Sep - Tue, 29 Sep
WestJet Logo
8:15 p.m. - 5:20 a.m.YOW  Ottawa-YXU London
9h 05m1 stop Calgary
WestJet Logo
6:10 a.m. - 5:35 a.m.YXU  London-YOW Ottawa
23h 25m1 stop Calgary
C$ 475WestJet
Fri, 2 Oct - Sat, 10 Oct
WestJet Logo
8:15 p.m. - 5:20 a.m.YOW  Ottawa-YXU London
9h 05m1 stop Calgary
WestJet Logo
6:10 a.m. - 5:15 p.m.YXU  London-YOW Ottawa
11h 05m1 stop Calgary
C$ 489WestJet
Wed, 23 Sep - Tue, 29 Sep
Air Canada Logo
5:10 a.m. - 9:20 a.m.YOW  Ottawa-YXU London
4h 10m1 stop Toronto Pearson Intl
Air Canada Logo
3:30 p.m. - 9:20 p.m.YXU  London-YOW Ottawa
5h 50m1 stop Toronto Pearson Intl
C$ 715Air Canada
Thu, 24 Sep - Thu, 24 Sep
Air Canada Logo
5:10 a.m. - 9:20 a.m.YOW  Ottawa-YXU London
4h 10m1 stop Toronto Pearson Intl
Air Canada Logo
3:30 p.m. - 9:20 p.m.YXU  London-YOW Ottawa
5h 50m1 stop Toronto Pearson Intl
C$ 717Air Canada
Thu, 24 Sep - Thu, 24 Sep

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WestJet flights from Ottawa to London, Ontario

Our best WestJet deals on Ottawa to London, Ontario flight tickets
WestJet
5 Sep
YOW12:25 p.m.Ottawa
25h 25m
1 stop
YXU1:50 p.m.London
12 Sep
YXU6:10 a.m.London
11h 05m
1 stop
YOW5:15 p.m.Ottawa
C$ 457
WestJet
23 Sep
YOW8:15 p.m.Ottawa
9h 05m
1 stop
YXU5:20 a.m.London
29 Sep
YXU6:10 a.m.London
11h 05m
1 stop
YOW5:15 p.m.Ottawa
C$ 460
WestJet
15 Sep
YOW8:15 p.m.Ottawa
9h 05m
1 stop
YXU5:20 a.m.London
22 Sep
YXU6:10 a.m.London
9h 10m
1 stop
YOW3:20 p.m.Ottawa
C$ 461

Air Canada flights from Ottawa to London, Ontario

Our best Air Canada deals on Ottawa to London, Ontario flight tickets
Air Canada
24 Sep
YOW5:10 a.m.Ottawa
4h 10m
1 stop
YXU9:20 a.m.London
24 Sep
YXU3:30 p.m.London
5h 50m
1 stop
YOW9:20 p.m.Ottawa
C$ 715
Air Canada
21 Aug
YOW5:10 a.m.Ottawa
4h 10m
1 stop
YXU9:20 a.m.London
29 Aug
YXU10:05 a.m.London
5h 05m
1 stop
YOW3:10 p.m.Ottawa
C$ 1,234
Air Canada
21 Aug
YOW4:00 p.m.Ottawa
5h 40m
1 stop
YXU9:40 p.m.London
23 Aug
YXU5:40 a.m.London
3h 25m
1 stop
YOW9:05 a.m.Ottawa
C$ 1,255

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to London, Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 12 August 2026.
Use the filters below to find and compare flights from Ottawa to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Sat 5/9

12:25 p.m.-1:50 p.m.

1 stop25h 25m

London

Sat 12/9

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

1 stop11h 05m

C$ 457

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Wed 23/9

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

1 stop9h 05m

London

Tue 29/9

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

1 stop11h 05m

C$ 460

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Thu 17/9

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

1 stop9h 05m

London

Sun 20/9

5:55 p.m.-5:35 a.m.

1 stop11h 40m

C$ 461

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Fri 18/9

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

1 stop9h 05m

London

Sun 20/9

5:55 p.m.-5:35 a.m.

1 stop11h 40m

C$ 461

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Thu 17/9

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

1 stop9h 05m

London

Sun 20/9

5:55 p.m.-5:35 a.m.

1 stop11h 40m

C$ 467

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Wed 23/9

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

1 stop9h 05m

London

Tue 29/9

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

1 stop11h 05m

C$ 472

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Fri 2/10

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

1 stop9h 05m

London

Sat 10/10

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

1 stop23h 25m

C$ 475

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Wed 23/9

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

1 stop9h 05m

London

Tue 29/9

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

1 stop11h 05m

C$ 489
Quickest round-trip

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Thu 24/9

5:10 a.m.-9:20 a.m.

1 stop4h 10m

London

Thu 24/9

3:30 p.m.-9:20 p.m.

1 stop5h 50m

C$ 715

OttawaLondon

YOW Ottawa - YXU London

YOWYXU

Ottawa

Thu 24/9

5:10 a.m.-9:20 a.m.

1 stop4h 10m

London

Thu 24/9

3:30 p.m.-9:20 p.m.

1 stop5h 50m

C$ 717

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

What is the typical price of a round-trip flight between Ottawa and London, Ontario?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 1,017 to C$ 1,414.
The lowest price recently found on this route was C$ 457.

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

The month of April is another great option to travel to London, Ontario, with average flight prices from Ottawa averaging around C$ 667.

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

You could potentially save up to 19% 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

Fastest flight time

4h 37m

Direct flights

None
The fastest flight from Ottawa to London, Ontario takes 4h 37m
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 37m.

  • 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?

  • 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?

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 CanadaPriceFrom C$ 467Free CancellationRating
7.1
11,464 reviews
Search Air Canada flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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.

An easier way to manage your London, Ontario trip

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