YXU

C$ 221 Find Cheap Flights from Ontario to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to London departing on 18/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Flight Deals

Cheap Flights from Ontario to London

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to London

Mon, 24 Nov - Mon, 1 Dec
WestJet Logo
7:45 a.m. - 7:12 p.m.YYZ-YXU
11h 27m1 stop
WestJet Logo
8:10 p.m. - 6:13 a.m.YXU-YYZ
10h 03m1 stop
C$ 318WestJet
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Tue, 11 Nov - Tue, 18 Nov
Multiple Airlines Logo
2:10 p.m. - 7:12 p.m.YYZ-YXU
29h 02m1 stop
Multiple Airlines Logo
8:10 p.m. - 6:13 a.m.YXU-YYZ
10h 03m1 stop
C$ 338Multiple Airlines
Find Deal
Tue, 11 Nov - Sun, 16 Nov
Multiple Airlines Logo
2:10 p.m. - 7:12 p.m.YYZ-YXU
29h 02m1 stop
Multiple Airlines Logo
8:10 p.m. - 6:13 a.m.YXU-YYZ
10h 03m1 stop
C$ 352Multiple Airlines
Find Deal
Tue, 11 Nov - Mon, 17 Nov
Multiple Airlines Logo
2:10 p.m. - 7:12 p.m.YYZ-YXU
29h 02m1 stop
Multiple Airlines Logo
8:10 p.m. - 7:10 a.m.YXU-YYZ
11h 00m1 stop
C$ 354Multiple Airlines
Find Deal
Mon, 10 Nov - Thu, 13 Nov
Multiple Airlines Logo
9:30 p.m. - 7:12 p.m.YYZ-YXU
21h 42m1 stop
Multiple Airlines Logo
8:10 p.m. - 6:13 a.m.YXU-YYZ
10h 03m1 stop
C$ 365Multiple Airlines
Find Deal
Tue, 11 Nov - Tue, 18 Nov
WestJet Logo
8:45 p.m. - 7:12 p.m.YYZ-YXU
22h 27m2 stops
WestJet Logo
8:10 p.m. - 6:13 a.m.YXU-YYZ
10h 03m1 stop
C$ 367WestJet
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Sun, 7 Dec - Thu, 11 Dec
Air Canada Logo
4:15 p.m. - 5:05 p.m.YYZ-YXU
0h 50mdirect
Air Canada Logo
5:40 p.m. - 6:29 p.m.YXU-YYZ
0h 49mdirect
C$ 467Air Canada
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Fri, 7 Nov - Tue, 11 Nov
Air Canada Logo
4:15 p.m. - 5:05 p.m.YYZ-YXU
0h 50mdirect
Air Canada Logo
5:40 p.m. - 6:29 p.m.YXU-YYZ
0h 49mdirect
C$ 484Air Canada
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Sat, 25 Oct - Fri, 31 Oct
Air Canada Logo
2:15 p.m. - 3:02 p.m.YYZ-YXU
0h 47mdirect
Air Canada Logo
9:25 a.m. - 10:15 a.m.YXU-YYZ
0h 50mdirect
C$ 485Air Canada
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Tue, 21 Oct - Tue, 10 Mar
Air Canada Logo
8:30 a.m. - 9:17 a.m.YYZ-YXU
0h 47mdirect
Air Canada Logo
5:40 p.m. - 6:29 p.m.YXU-YYZ
0h 49mdirect
C$ 496Air Canada
Find Deal

Everything you should know

Cheapest round-trip
C$ 318
Overall average: C$ 687
WestJet
Mon 24/11Mon 1/12
YYZ - YXU • 1 stop
Cheapest direct flights
C$ 467
Typical prices: C$ 336-1058
Air Canada
Wed 15/10Wed 22/10
YYZ - YXU • Direct
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to London!
Useful Info

Good to know

Low seasonNovember
Cheapest flightC$ 221
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Ottawa to London

FAQs for booking flights from Ontario to London

  • How does KAYAK find such low prices on flights from Ontario to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Ontario with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Ontario to London

 
Need help choosing which airline to fly with from Ontario to London? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
WestJetOverall score based on 3093 reviews
6.1Entertainment
7.4Boarding
7.1Comfort
7.9Crew
6.2Food
Airline reviews

The keg from Edmonton to Toronto My wife found it very cold. Other than that great flight.

8.0 ExcellentAnonymous, Aug 2025YEG - YYZ
Read more WestJet reviews

The keg from Edmonton to Toronto My wife found it very cold. Other than that great flight.

No dogs! Can we have no dogs in the cabin? Why was there a yappy little dog behind me? Lucky I had ear plugs. Sorry for others without

Smooth flight Staff were courteous and welcoming upon entering and exiting the plane Pilot and crew provided frequent updates Leg space was not pleasant but manageable

Good value, minor delay due to waiting for inbound plane but they gave accurate information about wait time. Able to switch to a seat by my husband thanks to a kind flight attendant

Arrival at Comox from, London,ON 6 hours later... No bueano

Flight itself good .Landing at terminal3 and connections to terminal1,it is connections nightmare,specially for disable person

The seats very Uncomfortable, no meal and no entertainment for a 4Hours flight. Smooth Flight, Great Take off and landing. Superb crew!

Generally good. However. The flight left 30 mins behind schedule with no reason given.

Flight delayed, missed my pick-up had to Uber, plus missed dinner and medication, so sad!

Not the greatest experience everything was pretty mediocre. My seat was by the washroom in the aisle and was not located well as everyone past each other people were right in my seat and space.

Had to cancel flight due to strike. Hope things will be better next August when we will rebook. Very disappointing as it was our 50th wedding anniversary celebration l!

Overall great. The crews were lovely. The seats are awful. I always emerge with a back ache.

I had boarding pass on my phone. Husband and I were seated together. Agent printed out boarding passes and we were separated for the flight

You was on strike and I had to get another r flight and you did not give me my money back

Flight was fine and on time. But no entertainment system and little leg room.

Really out of Air Canada's control due to long delay because of mechanical issues. While doing their best, disappointed by their assumption that all passengers have smart phones. Should have communicated food voucher availability at gate area. Late arrival cost me an extra $51 because public transit was not available, Otherwise, feel Air Canada did their best dealing with their challenges. Will likely continue using them in the future.

Air Canada decided to go on strike less then 24 hours before our travel and we had to cancel finding flights elsewhere.

What a silly survey to send - all AC flights were cancelled due to the strike so of course we did not fly yesterday

The WiFi was down the whole flight, a flight that had no on board of any kind

I wish to travel with Air Canada for my next trip

Travelling to a place near London?

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