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Cheap flights from Ottawa to London from C$ 209

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 22/5. 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. - 1:30 p.m.
YOW
-
YXU
25h 05m
1 stop
WestJet Logo
6:10 a.m. - 3:25 p.m.
YXU
-
YOW
9h 15m
1 stop
C$ 523WestJet
Sat, 23 May - Sat, 30 May
WestJet Logo
6:25 p.m. - 1:30 p.m.
YOW
-
YXU
19h 05m
2 stops
WestJet Logo
5:55 p.m. - 5:40 a.m.
YXU
-
YOW
11h 45m
1 stop
C$ 554WestJet
Sat, 23 May - Sat, 30 May
WestJet Logo
5:45 p.m. - 6:35 a.m.
YOW
-
YXU
12h 50m
1 stop
WestJet Logo
5:55 p.m. - 5:40 a.m.
YXU
-
YOW
11h 45m
1 stop
C$ 561WestJet
Wed, 15 Apr - Thu, 30 Apr
WestJet Logo
7:20 a.m. - 4:50 p.m.
YOW
-
YXU
9h 30m
1 stop
WestJet Logo
5:55 p.m. - 5:40 a.m.
YXU
-
YOW
11h 45m
1 stop
C$ 572WestJet
Sun, 31 May - Wed, 3 Jun
WestJet Logo
4:15 p.m. - 5:20 a.m.
YOW
-
YXU
13h 05m
1 stop
WestJet Logo
6:10 a.m. - 12:20 a.m.
YXU
-
YOW
18h 10m
2 stops
C$ 590WestJet
Mon, 4 May - Mon, 11 May
Multiple Airlines Logo
5:40 a.m. - 7:03 p.m.
YOW
-
YXU
13h 23m
2 stops
Multiple Airlines Logo
8:10 p.m. - 2:27 p.m.
YXU
-
YOW
18h 17m
1 stop
C$ 596Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
5:40 a.m. - 7:03 p.m.
YOW
-
YXU
13h 23m
2 stops
Multiple Airlines Logo
8:10 p.m. - 2:27 p.m.
YXU
-
YOW
18h 17m
1 stop
C$ 597Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
WestJet Logo
5:45 p.m. - 6:35 a.m.
YOW
-
YXU
12h 50m
1 stop
WestJet Logo
6:10 a.m. - 12:20 a.m.
YXU
-
YOW
18h 10m
2 stops
C$ 601WestJet
Wed, 15 Apr - Thu, 30 Apr
Multiple Airlines Logo
6:55 p.m. - 6:35 a.m.
YOW
-
YXU
11h 40m
1 stop
Multiple Airlines Logo
5:55 p.m. - 5:20 p.m.
YXU
-
YOW
23h 25m
1 stop
C$ 617Multiple Airlines
Wed, 15 Apr - Thu, 30 Apr
Multiple Airlines Logo
8:35 a.m. - 5:20 a.m.
YOW
-
YXU
20h 45m
2 stops
Multiple Airlines Logo
6:10 a.m. - 5:58 p.m.
YXU
-
YOW
11h 48m
1 stop
C$ 622Multiple Airlines
Sun, 31 May - Wed, 3 Jun

Air Canada flights from Ottawa to London, Ontario

Our best Air Canada deals on Ottawa to London, Ontario flight tickets
Air Canada
10 Apr
YOW5:00 a.m.Ottawa
3h 43m
1 stop
YXU8:43 a.m.London
13 Apr
YXU5:10 a.m.London
3h 05m
1 stop
YOW8:15 a.m.Ottawa
C$ 701
Air Canada
18 Mar
YOW5:00 a.m.Ottawa
3h 46m
1 stop
YXU8:46 a.m.London
25 Mar
YXU5:40 p.m.London
5h 38m
1 stop
YOW11:18 p.m.Ottawa
C$ 708
Air Canada
19 Mar
YOW2:05 p.m.Ottawa
3h 00m
1 stop
YXU5:05 p.m.London
26 Mar
YXU5:10 a.m.London
3h 08m
1 stop
YOW8:18 a.m.Ottawa
C$ 709

WestJet flights from Ottawa to London, Ontario

Our best WestJet deals on Ottawa to London, Ontario flight tickets
WestJet
23 May
YOW12:25 p.m.Ottawa
25h 05m
1 stop
YXU1:30 p.m.London
30 May
YXU6:10 a.m.London
9h 15m
1 stop
YOW3:25 p.m.Ottawa
C$ 523
WestJet
23 May
YOW6:25 p.m.Ottawa
19h 05m
2 stops
YXU1:30 p.m.London
30 May
YXU5:55 p.m.London
11h 45m
1 stop
YOW5:40 a.m.Ottawa
C$ 554
WestJet
15 Apr
YOW5:45 p.m.Ottawa
12h 50m
1 stop
YXU6:35 a.m.London
30 Apr
YXU5:55 p.m.London
11h 45m
1 stop
YOW5:40 a.m.Ottawa
C$ 561

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 20 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

Sat 23/5

12:25 p.m.-1:30 p.m.

1 stop25h 05m

London

Sat 30/5

6:10 a.m.-3:25 p.m.

1 stop9h 15m

C$ 523

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Sat 23/5

6:25 p.m.-1:30 p.m.

2 stops19h 05m

London

Sat 30/5

5:55 p.m.-5:40 a.m.

1 stop11h 45m

C$ 554

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Wed 15/4

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

1 stop12h 50m

London

Thu 30/4

5:55 p.m.-5:40 a.m.

1 stop11h 45m

C$ 561

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Sun 31/5

7:20 a.m.-4:50 p.m.

1 stop9h 30m

London

Wed 3/6

5:55 p.m.-5:40 a.m.

1 stop11h 45m

C$ 572

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Mon 4/5

4:15 p.m.-5:20 a.m.

1 stop13h 05m

London

Mon 11/5

6:10 a.m.-12:20 a.m.

2 stops18h 10m

C$ 590

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Wed 18/3

5:40 a.m.-7:03 p.m.

2 stops13h 23m

London

Wed 25/3

8:10 p.m.-2:27 p.m.

1 stop18h 17m

C$ 596

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Wed 18/3

5:40 a.m.-7:03 p.m.

2 stops13h 23m

London

Wed 25/3

8:10 p.m.-2:27 p.m.

1 stop18h 17m

C$ 597

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Wed 15/4

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

1 stop12h 50m

London

Thu 30/4

6:10 a.m.-12:20 a.m.

2 stops18h 10m

C$ 601

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Wed 15/4

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

1 stop11h 40m

London

Thu 30/4

5:55 p.m.-5:20 p.m.

1 stop23h 25m

C$ 617

OttawaLondon

YOW - YXU

YOWYXU

Ottawa

Sun 31/5

8:35 a.m.-5:20 a.m.

2 stops20h 45m

London

Wed 3/6

6:10 a.m.-5:58 p.m.

1 stop11h 48m

C$ 622

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$ 659.

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

You could potentially save up to 10% on your flight if you consider stops on a Ottawa to London, Ontario flight.

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

3h 46m

Direct flights

None
The fastest flight from Ottawa to London, Ontario takes 3h 46m
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 46m.

  • 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$ 537Free CancellationRating
7.1
10,732 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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