YXU

C$ 230 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 11/6. 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.
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Flights Deals

Cheap Flight Deals 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.

Recent round-trip flight deals from Ontario to London

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to London.
Discover the best prices for you by selecting your travel dates on KAYAK.
Air Canada Logo
2:15 p.m. - 3:03 p.m.YYZ-YXU
0h 48mdirect
Air Canada Logo
9:55 a.m. - 10:43 a.m.YXU-YYZ
0h 48mdirect
C$ 444Air Canada
Find Deal
Thu, 29 May - Thu, 5 Jun
Air Canada Logo
8:30 a.m. - 9:19 a.m.YYZ-YXU
0h 49mdirect
Air Canada Logo
3:35 p.m. - 4:23 p.m.YXU-YYZ
0h 48mdirect
C$ 462Air Canada
Find Deal
Tue, 10 Jun - Mon, 16 Jun
Air Canada Logo
2:10 p.m. - 2:57 p.m.YYZ-YXU
0h 47mdirect
Air Canada Logo
5:45 p.m. - 6:34 p.m.YXU-YYZ
0h 49mdirect
C$ 491Air Canada
Find Deal
Wed, 18 Jun - Tue, 8 Jul
Air Canada Logo
2:15 p.m. - 3:03 p.m.YYZ-YXU
0h 48mdirect
Air Canada Logo
6:15 a.m. - 7:04 a.m.YXU-YYZ
0h 49mdirect
C$ 500Air Canada
Find Deal
Tue, 27 May - Tue, 3 Jun
Air Canada Logo
8:30 a.m. - 9:17 a.m.YYZ-YXU
0h 47mdirect
Air Canada Logo
3:35 p.m. - 4:22 p.m.YXU-YYZ
0h 47mdirect
C$ 502Air Canada
Find Deal
Thu, 18 Sep - Mon, 22 Sep
WestJet Logo
7:15 p.m. - 5:14 a.m.YOW-YXU
9h 59m1 stop
WestJet Logo
8:00 p.m. - 6:45 a.m.YXU-YOW
10h 45m1 stop
C$ 518WestJet
Find Deal
Tue, 27 May - Tue, 3 Jun
Air Canada Logo
8:40 p.m. - 9:27 p.m.YYZ-YXU
0h 47mdirect
Air Canada Logo
9:55 a.m. - 10:38 a.m.YXU-YYZ
0h 43mdirect
C$ 520Air Canada
Find Deal
Tue, 23 Sep - Tue, 30 Sep
WestJet Logo
7:15 p.m. - 5:14 a.m.YOW-YXU
9h 59m1 stop
WestJet Logo
8:00 p.m. - 6:45 a.m.YXU-YOW
10h 45m1 stop
C$ 548WestJet
Find Deal
Tue, 27 May - Wed, 4 Jun
 Logo
10:40 p.m. - 5:14 a.m.YYZ-YXU
30h 34m2 stops
 Logo
9:45 p.m. - 12:44 a.m.YXU-YYZ
26h 59m1 stop
C$ 550
Find Deal
Tue, 10 Jun - Mon, 16 Jun
WestJet Logo
6:30 a.m. - 5:14 a.m.YYZ-YXU
22h 44m1 stop
WestJet Logo
8:00 p.m. - 6:12 a.m.YXU-YYZ
10h 12m1 stop
C$ 574WestJet
Find Deal
Tue, 27 May - Tue, 3 Jun
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Good to know

Low seasonNovember
High seasonJune
Cheapest flightC$ 230
Best time to beat the crowds (0% less expensive on average)
Most popular time to fly and prices are also 0% lower on average.
Flight from Toronto Pearson Airport 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.

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 2826 reviews
6.1Entertainment
6.2Food
7.9Crew
7.1Comfort
7.4Boarding
Airline reviews

We never had an experience they canceled the flight and they did not offer us an alternative flight. I had to book one on my own expense. They offered us food voucher and we could not use them at the airport it kept saying not attached to an existing flight. The people at the counter were rude and cold and they did not care about our situation

2.0 MediocreDoha, Apr 2025YYZ - YVR
Read more WestJet reviews

We never had an experience they canceled the flight and they did not offer us an alternative flight. I had to book one on my own expense. They offered us food voucher and we could not use them at the airport it kept saying not attached to an existing flight. The people at the counter were rude and cold and they did not care about our situation

Flight was delayed 3 times. Then cancelled due to pilot being timed out. They refused hotel vouchers. Gate attendants were very rude and could not help you at all.

No access to any entertainment No food other than a cookie or pretzels even tho flight was over the supper hour Seats very close together and very little leg room Staff was very good

Flight cancelled and Kayak switched our return flight to a red eye. Ridiculous.

The cancelation of my flight from Toronto to Edmonton without any solution given to me for my next flight. Very poor connection from Toronto to Edmonton

Too squished in seats. I'm 110 lbs and 5'6....can't imagine being any bigger and flying

Original flight canceled and communicated poorly. A series of gate changes , delays and plane changes followed. Even after the entire flight boarded there was another plane changes followed. Food vouchers provided to my travel companion but not to me despite being on the same reservation. No in flight entertainment. The entire experience was terrible although the flight crew were great.

Flight was on time. Online check in capabilities made things quick and easy. Zone boarding was enforced, which I appreciate. Everyone was not lining up ahead of their zone being called. Crew was professional and friendly.

Dogs. Dogs. Dogs ! Who the hell thought letting dogs on board was a good idea ? Yapping dogs on both flights ! They ruin the experience for everyone else around because you try to accommodate everyone. Please send me a refund.

We booked Premiere (their version of first class) and Premium Economy seats. We boarded an old swoop flight with all coach seating. No benefit to paying higher fare and no apology or reimbursement.

Lynda was rude and unhelpful. We asked for tea wiht a slice of lemon. She served us Coffee instead. When we spoke to her she made it seem as if we were lying. I asked if she would like to taste it and see - her reply was I don’t need to be rude. After this incident we were treated with subpar service for all beverages and food items after. We’re were purposely left out when they did garbage collection.

They lost my checked in luggage, why do I pay for my cargo not arriving at the same destination as me?

During the pre-departure safety briefing, the flight attendants rushed through the mandatory safety announcements in both official languages, making it difficult for passengers to clearly understand the instructions. Given the importance of these messages for passenger safety, this lack of clarity was concerning. Perhaps use a recoded message to alleviate this concern. Additionally, the flight attendants appeared to lack the professional attentiveness typically expected during a flight. Rather than focusing on timely and courteous service, they seemed more engaged in personal conversations than in addressing the needs of passengers. I hope this feedback is taken constructively and helps in maintaining the high standards of professionalism and care that travelers expect from a national carrier: AC.

Seats were comfortable, flights boarded easily, arrived early in Toronto and on time in Nassau

Poor planning meant the plane was delayed an hour, then a thunder storm started and the ground staff couldn't work. Eventual arrival in Santiago was 3 hours late resulting in missed connections and the need to buy new tickets.

Disappointed my flight was delayed to TO as i had a connection to make. Ran through the airport I made my flight but I initially had 1.5 hours to connect. Unnecessary stress!

The flight was delayed to 1:50 am from 12:05am which caused confusion for us on the connecting flight.

thee is no screen on these flights, smaller storage cabins scuffed my carry on, it was ok overall

Flight delay, cancellation rescheduling and misdirected luggage which created some stress. It all worked out in the end.

Very good AC Rouge flight YYZ-TPA. Great crew, all went smoothly. Thank you!

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