£237 Find Cheap Flights from Ontario to the United Kingdom

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to the United Kingdom departing on 30/9. 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, 0 bags

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Cheap Flights from Ontario to the United Kingdom

Cheapest return prices found by our users on KAYAK in the last 72 hours
London
London1 stop£660
Edinburgh
Edinburgh1 stop£641
Birmingham
Birmingham2 stops£699
Belfast
Belfast2 stops£702
Newcastle upon Tyne
Newcastle upon Tyne2 stops£686
London
London1 stop£660
Edinburgh
Edinburgh1 stop£641
Birmingham
Birmingham2 stops£699
Belfast
Belfast2 stops£702
Newcastle upon Tyne
Newcastle upon Tyne2 stops£686

Book Cheap Ontario to the United Kingdom Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Ontario to the United Kingdom 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 return flight deals from Ontario to the United Kingdom

Wed, 19 Aug - Tue, 8 Sep
United Airlines Logo
07:00 - 08:25
ONT
-
EDI
17h 25m
1 stop
United Airlines Logo
09:00 - 18:19
EDI
-
ONT
41h 19m
2 stops
£641United Airlines
Mon, 17 Aug - Fri, 21 Aug
United Airlines Logo
07:00 - 08:25
ONT
-
EDI
17h 25m
1 stop
United Airlines Logo
09:00 - 21:59
EDI
-
ONT
44h 59m
2 stops
£642United Airlines
Wed, 19 Aug - Wed, 9 Sep
United Airlines Logo
05:00 - 07:40
ONT
-
EDI
18h 40m
3 stops
United Airlines Logo
09:00 - 18:19
EDI
-
ONT
41h 19m
2 stops
£644United Airlines
Tue, 28 Jul - Wed, 19 Aug
Multiple Airlines Logo
06:30 - 06:30
ONT
-
MAN
16h 00m
2 stops
Multiple Airlines Logo
09:00 - 18:11
MAN
-
ONT
17h 11m
2 stops
£657Multiple Airlines
Mon, 5 Oct - Tue, 20 Oct
Iberia Logo
10:25 - 12:50
ONT
-
LHR
18h 25m
1 stop
Iberia Logo
06:15 - 18:57
LHR
-
ONT
20h 42m
2 stops
£660Iberia
Sun, 23 Aug - Tue, 8 Sep
KLM Logo
11:55 - 15:35
ONT
-
LHR
19h 40m
1 stop
KLM Logo
06:30 - 16:14
LHR
-
ONT
17h 44m
2 stops
£664KLM
Mon, 3 Aug - Thu, 20 Aug
Delta Logo
06:00 - 11:20
ONT
-
LHR
21h 20m
2 stops
Delta Logo
06:30 - 21:56
LHR
-
ONT
23h 26m
2 stops
£667Delta
Mon, 3 Aug - Thu, 20 Aug
Delta Logo
06:00 - 11:20
ONT
-
LHR
21h 20m
2 stops
Delta Logo
06:30 - 21:56
LHR
-
ONT
23h 26m
2 stops
£667Delta
Wed, 16 Sep - Wed, 30 Sep
Multiple Airlines Logo
10:55 - 14:40
ONT
-
LGW
19h 45m
2 stops
Multiple Airlines Logo
15:40 - 22:35
LGW
-
ONT
38h 55m
2 stops
£813Multiple Airlines
Mon, 25 May - Mon, 1 Jun
Iberia Logo
12:40 - 09:00
ONT
-
LCY
36h 20m
2 stops
Iberia Logo
09:35 - 19:56
LCY
-
ONT
42h 21m
2 stops
£1,273Iberia
Booking Insights

KAYAK's insights & trends for Ontario to the United Kingdom flights

Get data-powered insights and trends into flights from Ontario to the United Kingdom to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Ontario to the United Kingdom?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ontario to the United Kingdom, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Ontario to the United Kingdom is September, when tickets cost £186 (return) on average. On the other hand, the most expensive months are July and June, when the average cost of return tickets is £534 and £525 respectively.

Find deals

Good to know - Cheap tickets from Ontario to the United Kingdom

Low seasonJanuary
Cheapest flight£237
Best time to beat the crowds but there is an average 8% increase in price.
Most popular time to fly and prices are also 25% lower on average.
Flight from Ontario to Edinburgh

FAQs - booking United Kingdom flights

  • How does KAYAK find such low prices on flights from Ontario to the United Kingdom?

    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 the United Kingdom.

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

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

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

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Ontario to the United Kingdom with an airline and back with another airline.

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

    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 from Ontario to the United Kingdom up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Ontario to the United Kingdom

Information on your arrival and departure airports

Ontario (ONT)