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Cheap flights from Ottawa to London from C$ 295

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 26/4. 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

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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. - 1:45 p.m.
YOW
-
YXU
25h 20m
1 stop
WestJet Logo
2:35 p.m. - 12:20 a.m.
YXU
-
YOW
9h 45m
2 stops
C$ 548WestJet
Mon, 8 Jun - Sun, 21 Jun
WestJet Logo
5:45 p.m. - 6:35 a.m.
YOW
-
YXU
12h 50m
1 stop
WestJet Logo
2:35 p.m. - 12:20 a.m.
YXU
-
YOW
9h 45m
2 stops
C$ 551WestJet
Wed, 4 Mar - Fri, 22 May
WestJet Logo
12:25 p.m. - 1:45 p.m.
YOW
-
YXU
25h 20m
1 stop
WestJet Logo
2:35 p.m. - 12:15 p.m.
YXU
-
YOW
21h 40m
1 stop
C$ 575WestJet
Mon, 8 Jun - Sun, 21 Jun
Air Canada Logo
4:15 p.m. - 9:18 p.m.
YOW
-
YXU
5h 03m
1 stop
Air Canada Logo
9:40 a.m. - 1:14 p.m.
YXU
-
YOW
3h 34m
1 stop
C$ 581Air Canada
Mon, 30 Mar - Wed, 1 Apr
Air Canada Logo
2:05 p.m. - 5:03 p.m.
YOW
-
YXU
2h 58m
1 stop
Air Canada Logo
5:10 a.m. - 9:21 a.m.
YXU
-
YOW
4h 11m
1 stop
C$ 582Air Canada
Fri, 17 Apr - Mon, 20 Apr
WestJet Logo
5:55 a.m. - 1:45 p.m.
YOW
-
YXU
31h 50m
2 stops
WestJet Logo
2:35 p.m. - 12:20 a.m.
YXU
-
YOW
9h 45m
2 stops
C$ 584WestJet
Mon, 8 Jun - Sun, 21 Jun
WestJet Logo
5:45 p.m. - 6:35 a.m.
YOW
-
YXU
12h 50m
1 stop
WestJet Logo
2:35 p.m. - 11:35 a.m.
YXU
-
YOW
21h 00m
1 stop
C$ 593WestJet
Wed, 4 Mar - Fri, 22 May
Air Canada Logo
6:05 p.m. - 9:21 p.m.
YOW
-
YXU
3h 16m
1 stop
Air Canada Logo
5:10 a.m. - 8:18 a.m.
YXU
-
YOW
3h 08m
1 stop
C$ 599Air Canada
Fri, 6 Mar - Fri, 13 Mar
WestJet Logo
5:45 p.m. - 6:35 a.m.
YOW
-
YXU
12h 50m
1 stop
WestJet Logo
8:10 p.m. - 6:23 p.m.
YXU
-
YOW
22h 13m
2 stops
C$ 627WestJet
Mon, 6 Apr - Sun, 12 Apr
Multiple Airlines Logo
6:55 p.m. - 6:35 a.m.
YOW
-
YXU
11h 40m
1 stop
Multiple Airlines Logo
8:10 p.m. - 6:23 p.m.
YXU
-
YOW
22h 13m
2 stops
C$ 633Multiple Airlines
Wed, 1 Apr - Sun, 12 Apr

Air Canada flights from Ottawa to London, Ontario

Our best Air Canada deals on Ottawa to London, Ontario flight tickets
Air Canada
30 Mar
YOW4:15 p.m.Ottawa
5h 03m
1 stop
YXU9:18 p.m.London
1 Apr
YXU9:40 a.m.London
3h 34m
1 stop
YOW1:14 p.m.Ottawa
C$ 581
Air Canada
17 Apr
YOW2:05 p.m.Ottawa
2h 58m
1 stop
YXU5:03 p.m.London
20 Apr
YXU5:10 a.m.London
4h 11m
1 stop
YOW9:21 a.m.Ottawa
C$ 582
Air Canada
6 Mar
YOW6:05 p.m.Ottawa
3h 16m
1 stop
YXU9:21 p.m.London
13 Mar
YXU5:10 a.m.London
3h 08m
1 stop
YOW8:18 a.m.Ottawa
C$ 599

WestJet flights from Ottawa to London, Ontario

Our best WestJet deals on Ottawa to London, Ontario flight tickets
WestJet
8 Jun
YOW12:25 p.m.Ottawa
25h 20m
1 stop
YXU1:45 p.m.London
21 Jun
YXU2:35 p.m.London
9h 45m
2 stops
YOW12:20 a.m.Ottawa
C$ 548
WestJet
4 Mar
YOW5:45 p.m.Ottawa
12h 50m
1 stop
YXU6:35 a.m.London
22 May
YXU2:35 p.m.London
9h 45m
2 stops
YOW12:20 a.m.Ottawa
C$ 551
WestJet
8 Jun
YOW12:25 p.m.Ottawa
25h 20m
1 stop
YXU1:45 p.m.London
21 Jun
YXU2:35 p.m.London
21h 40m
1 stop
YOW12:15 p.m.Ottawa
C$ 575

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 8 February 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

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Mon 8/6

12:25 p.m.-1:45 p.m.

1 stop25h 20m

London

Sun 21/6

2:35 p.m.-12:20 a.m.

2 stops9h 45m

C$ 548

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Wed 4/3

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

1 stop12h 50m

London

Fri 22/5

2:35 p.m.-12:20 a.m.

2 stops9h 45m

C$ 551

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Mon 8/6

12:25 p.m.-1:45 p.m.

1 stop25h 20m

London

Sun 21/6

2:35 p.m.-12:15 p.m.

1 stop21h 40m

C$ 575

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Mon 30/3

4:15 p.m.-9:18 p.m.

1 stop5h 03m

London

Wed 1/4

9:40 a.m.-1:14 p.m.

1 stop3h 34m

C$ 581

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Fri 17/4

2:05 p.m.-5:03 p.m.

1 stop2h 58m

London

Mon 20/4

5:10 a.m.-9:21 a.m.

1 stop4h 11m

C$ 582

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Mon 8/6

5:55 a.m.-1:45 p.m.

2 stops31h 50m

London

Sun 21/6

2:35 p.m.-12:20 a.m.

2 stops9h 45m

C$ 584

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Wed 4/3

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

1 stop12h 50m

London

Fri 22/5

2:35 p.m.-11:35 a.m.

1 stop21h 00m

C$ 593

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Fri 6/3

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

1 stop3h 16m

London

Fri 13/3

5:10 a.m.-8:18 a.m.

1 stop3h 08m

C$ 599

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Mon 6/4

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

1 stop12h 50m

London

Sun 12/4

8:10 p.m.-6:23 p.m.

2 stops22h 13m

C$ 627

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Wed 1/4

6:55 p.m.-6:35 a.m.

1 stop11h 40m

London

Sun 12/4

8:10 p.m.-6:23 p.m.

2 stops22h 13m

C$ 633

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 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$ 657.

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

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

2h 58m

Direct flights

None
The fastest flight from Ottawa to London, Ontario takes 2h 58m
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 2h 58m.

  • 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$ 536Free CancellationRating
7.1
10,698 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.

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