£152 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 26/7. 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£457
Edinburgh
Edinburgh2 stops£445
Birmingham
Birmingham2 stops£463
Belfast
Belfast2 stops£547
Newcastle upon Tyne
Newcastle upon Tyne2 stops£601
London
London1 stop£457
Edinburgh
Edinburgh2 stops£445
Birmingham
Birmingham2 stops£463
Belfast
Belfast2 stops£547
Newcastle upon Tyne
Newcastle upon Tyne2 stops£601

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

Thu, 26 Feb - Thu, 5 Mar
British Airways Logo
17:02 - 16:35
ONT
-
EDI
15h 33m
2 stops
British Airways Logo
09:25 - 22:29
EDI
-
ONT
21h 04m
2 stops
£445British Airways
Tue, 24 Feb - Mon, 2 Mar
British Airways Logo
17:02 - 16:30
ONT
-
MAN
15h 28m
2 stops
British Airways Logo
09:40 - 22:49
MAN
-
ONT
21h 09m
2 stops
£447British Airways
Mon, 23 Feb - Mon, 2 Mar
Virgin Atlantic Logo
07:30 - 11:55
ONT
-
LHR
20h 25m
1 stop
Virgin Atlantic Logo
20:25 - 16:02
LHR
-
ONT
27h 37m
2 stops
£457Virgin Atlantic
Thu, 26 Feb - Thu, 5 Mar
Delta Logo
07:30 - 10:30
ONT
-
LHR
19h 00m
1 stop
Delta Logo
08:40 - 21:05
LHR
-
ONT
20h 25m
2 stops
£460Delta
Mon, 23 Feb - Mon, 2 Mar
Virgin Atlantic Logo
06:00 - 10:30
ONT
-
LHR
20h 30m
2 stops
Virgin Atlantic Logo
20:25 - 16:02
LHR
-
ONT
27h 37m
2 stops
£461Virgin Atlantic
Thu, 26 Feb - Thu, 5 Mar
Delta Logo
17:00 - 20:10
ONT
-
LHR
19h 10m
2 stops
Delta Logo
08:40 - 21:05
LHR
-
ONT
20h 25m
2 stops
£463Delta
Wed, 4 Mar - Wed, 11 Mar
United Airlines Logo
13:50 - 12:00
ONT
-
LHR
14h 10m
1 stop
United Airlines Logo
06:30 - 17:41
LHR
-
ONT
18h 11m
2 stops
£467United Airlines
Wed, 8 Apr - Wed, 29 Apr
United Airlines Logo
07:00 - 08:05
ONT
-
EDI
17h 05m
2 stops
United Airlines Logo
12:30 - 12:22
EDI
-
ONT
31h 52m
2 stops
£468United Airlines
Mon, 13 Apr - Mon, 27 Apr
Air France Logo
06:00 - 09:25
ONT
-
LGW
43h 25m
2 stops
Air France Logo
17:05 - 20:58
LGW
-
ONT
35h 53m
2 stops
£488Air France
Mon, 13 Apr - Sun, 26 Apr
Air France Logo
06:00 - 09:25
ONT
-
LGW
43h 25m
2 stops
Air France Logo
17:00 - 20:58
LGW
-
ONT
59h 58m
2 stops
£578Air France
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 February, when tickets cost £474 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of return tickets is £764 and £728 respectively.

How far in advance should I book a flight from Ontario to the United Kingdom?

To calculate weekly average prices, KAYAK takes all prices for each week before departure 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 average of all the values for each week.

To get a below-average price on the flight from Ontario to the United Kingdom, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Find deals

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

Low seasonJanuary
Cheapest flight£152
Best time to beat the crowds but there is an average 10% increase in price.
Most popular time to fly and prices are also 15% 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)