£203 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 19/7. 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£552
Edinburgh
Edinburgh2 stops£575
Birmingham
Birmingham2 stops£617
Belfast
Belfast2 stops£620
Newcastle upon Tyne
Newcastle upon Tyne2 stops£649
London
London1 stop£552
Edinburgh
Edinburgh2 stops£575
Birmingham
Birmingham2 stops£617
Belfast
Belfast2 stops£620
Newcastle upon Tyne
Newcastle upon Tyne2 stops£649

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, 8 Apr - Wed, 29 Apr
British Airways Logo
12:19 - 21:45
ONT
-
MAN
25h 26m
2 stops
British Airways Logo
19:50 - 16:22
MAN
-
ONT
28h 32m
2 stops
£547British Airways
Mon, 27 Apr - Wed, 6 May
British Airways Logo
10:59 - 08:05
ONT
-
LHR
13h 06m
1 stop
British Airways Logo
10:05 - 16:22
LHR
-
ONT
14h 17m
1 stop
£552British Airways
Sun, 5 Apr - Tue, 21 Apr
Iberia Logo
07:00 - 08:05
ONT
-
LHR
17h 05m
1 stop
Iberia Logo
06:10 - 20:54
LHR
-
ONT
22h 44m
2 stops
£558Iberia
Sun, 5 Apr - Tue, 21 Apr
Iberia Logo
07:00 - 08:05
ONT
-
LHR
17h 05m
1 stop
Iberia Logo
14:25 - 22:36
LHR
-
ONT
16h 11m
1 stop
£581Iberia
Sun, 23 Aug - Tue, 8 Sep
Multiple Airlines Logo
16:54 - 15:05
ONT
-
LHR
14h 11m
1 stop
Multiple Airlines Logo
16:10 - 21:39
LHR
-
ONT
13h 29m
1 stop
£581Multiple Airlines
Mon, 17 Aug - Wed, 2 Sep
Multiple Airlines Logo
16:54 - 15:05
ONT
-
LHR
14h 11m
1 stop
Multiple Airlines Logo
16:10 - 21:39
LHR
-
ONT
13h 29m
1 stop
£582Multiple Airlines
Tue, 18 Aug - Thu, 3 Sep
Alaska Airlines Logo
17:38 - 15:05
ONT
-
LHR
13h 27m
1 stop
Alaska Airlines Logo
17:00 - 11:09
LHR
-
ONT
26h 09m
1 stop
£586Alaska Airlines
Mon, 17 Aug - Thu, 27 Aug
Alaska Airlines Logo
14:09 - 15:05
ONT
-
LHR
16h 56m
1 stop
Alaska Airlines Logo
17:00 - 11:09
LHR
-
ONT
26h 09m
1 stop
£587Alaska Airlines
Tue, 4 Aug - Fri, 21 Aug
United Airlines Logo
06:30 - 10:35
ONT
-
EDI
20h 05m
2 stops
United Airlines Logo
11:30 - 18:19
EDI
-
ONT
14h 49m
1 stop
£588United Airlines
Tue, 4 Aug - Fri, 21 Aug
United Airlines Logo
05:45 - 08:25
ONT
-
EDI
18h 40m
2 stops
United Airlines Logo
11:30 - 21:59
EDI
-
ONT
18h 29m
2 stops
£591United Airlines
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 March, when tickets cost £491 (return) on average. On the other hand, the most expensive months are July and June, when the average cost of return tickets is £848 and £813 respectively.

Find deals

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

Low seasonJanuary
Cheapest flight£203
Best time to beat the crowds but there is an average 12% increase in price.
Most popular time to fly and prices are also 22% 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)