YXU - ONT

$310 Find Cheap Flights from London to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Ontario departing on 6/17. 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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KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Ontario, as well as popular online travel agencies
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Cheap Flights from London to Ontario

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from London to Ontario 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 London to Ontario

KAYAK's recommended round-trip deals from the most popular airlines that fly from London to Ontario.
Discover the best prices for you by selecting your travel dates on KAYAK.
United Airlines Logo
3:35 pm - 5:39 pmYXU-ONT
29h 04m2 stops
United Airlines Logo
6:00 am - 9:17 amONT-YXU
24h 17m2 stops
$605United Airlines
Find Deal
Tue, Jun 17 - Tue, Jun 24
United Airlines Logo
6:15 am - 12:31 pmYXU-ONT
9h 16m2 stops
United Airlines Logo
7:00 am - 9:17 amONT-YXU
23h 17m3 stops
$785United Airlines
Find Deal
Tue, Jun 17 - Tue, Jun 24
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Good to know

Cheapest flight$310
Flight from London to Ontario

When to book flights from London to Ontario

Are your dates flexible? Find out the best times to travel from London to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from London to Ontario

  • What is the cheapest flight from London to Ontario?

    In the last 3 days, the lowest price for a flight from London to Ontario was $310 for a one-way ticket and $605 for a round-trip.

  • Do I need a passport to fly between London and Ontario?

    Yes, you’ll need a passport to travel to Ontario from London.

  • Which airports will I be using when flying from London to Ontario?

    When flying out of London you will be using London. You will be landing at Ontario, also known as Ontario.

  • Which aircraft models fly most regularly from London to Ontario?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from London to Ontario?

    Star Alliance is the only airline alliance operating flights between London and Ontario.

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

    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 London to Ontario.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from London 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 London to Ontario?

    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 Ontario with an airline and back to London with another airline. Booking your flights between London and ONT can sometimes prove cheaper using this method.

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

    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 Ontario from London 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 London to Ontario

Information on your arrival and departure airports

Ontario (ONT)
London (YXU)

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