YXU - ONT
$295 Find Cheap Flights from London to Ontario - Compare and Save
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 11/20. 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.
Everything you should know
Cheapest round-trip
$628
Typical prices: $422-$422
Multiple Airlines
Tue 11/20Tue 11/27
YXU - ONT • 3 stops
Cheap Flights from London to Ontario (YXU-ONT)
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.
Cheap flights from London to Ontario with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.
Fri, Nov 20 - Fri, Nov 27
9:30 am - 12:42 pmYXU London-ONT Ontario
30h 12m3 stops Fort Lauderdale Chicago O'Hare Intl Las Vegas Harry Reid Intl
6:45 am - 5:00 pmONT Ontario-YXU London
31h 15m2 stops Denver Intl Orlando
$628Multiple Airlines
Thu, Nov 12 - Tue, Nov 17
6:40 am - 7:30 pmYXU London-ONT Ontario
15h 50m2 stops Calgary San Francisco
5:07 pm - 5:45 pmONT Ontario-YXU London
21h 38m3 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson Fort Lauderdale
$630Multiple Airlines
Fri, Nov 20 - Fri, Nov 27
9:30 am - 6:20 amYXU London-ONT Ontario
23h 50m2 stops Fort Lauderdale Dallas/Fort Worth
6:45 am - 5:00 pmONT Ontario-YXU London
31h 15m2 stops Denver Intl Orlando
$647Multiple Airlines
Sat, Dec 5 - Tue, Dec 8
3:20 pm - 10:13 amYXU London-ONT Ontario
21h 53m2 stops Toronto Pearson Intl San Francisco
5:00 am - 9:52 pmONT Ontario-YXU London
13h 52m2 stops Denver Intl Toronto Pearson Intl
$648United Airlines
Fri, Nov 20 - Fri, Nov 27
9:30 am - 12:42 pmYXU London-ONT Ontario
30h 12m3 stops Fort Lauderdale Houston George Bush Intcntl Las Vegas Harry Reid Intl
8:15 am - 5:00 pmONT Ontario-YXU London
29h 45m3 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson Orlando
$665Multiple Airlines
Thu, Nov 19 - Thu, Nov 26
10:00 am - 11:51 pmYXU London-ONT Ontario
16h 51m2 stops Orlando Denver Intl
6:45 am - 5:00 pmONT Ontario-YXU London
31h 15m3 stops Denver Intl Atlanta Hartsfield-Jackson Fort Lauderdale
$680Multiple Airlines
Thu, Nov 19 - Thu, Nov 26
9:15 am - 10:48 pmYXU London-ONT Ontario
16h 33m2 stops Toronto Pearson Intl San Francisco
5:00 am - 9:52 pmONT Ontario-YXU London
13h 52m2 stops Denver Intl Toronto Pearson Intl
$690Air Canada
Thu, Nov 19 - Thu, Nov 26
6:40 am - 7:20 amYXU London-ONT Ontario
27h 40m3 stops Calgary Edmonton Las Vegas Harry Reid Intl
6:45 am - 5:00 pmONT Ontario-YXU London
31h 15m3 stops Denver Intl Atlanta Hartsfield-Jackson Fort Lauderdale
$691Multiple Airlines
Thu, Nov 12 - Tue, Nov 17
6:40 am - 11:16 amYXU London-ONT Ontario
31h 36m3 stops Calgary Toronto Pearson Intl Las Vegas Harry Reid Intl
5:07 pm - 5:45 pmONT Ontario-YXU London
21h 38m3 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson Fort Lauderdale
$706Multiple Airlines
Sat, Dec 5 - Tue, Dec 8
9:15 am - 10:13 amYXU London-ONT Ontario
27h 58m2 stops Toronto Pearson Intl San Francisco
5:45 am - 9:52 pmONT Ontario-YXU London
13h 07m2 stops Houston George Bush Intcntl Toronto Pearson Intl
$757United Airlines
Fri, Nov 20
9:30 am - 12:14 amYXU London-ONT Ontario
41h 44m3 stops Fort Lauderdale Detroit Metropolitan Wayne County Denver Intl
$295Multiple Airlines
Fri, Nov 20
9:30 am - 6:20 amYXU London-ONT Ontario
23h 50m2 stops Fort Lauderdale Dallas/Fort Worth
$306Multiple Airlines
Mon, Nov 23
6:40 am - 12:24 amYXU London-ONT Ontario
20h 44m2 stops Calgary San Francisco
$316Multiple Airlines
Mon, Nov 23
10:15 am - 11:39 amYXU London-ONT Ontario
28h 24m3 stops Fort Lauderdale Chicago O'Hare Intl Las Vegas Harry Reid Intl
$318Multiple Airlines
Thu, Nov 19
9:15 am - 8:15 pmYXU London-ONT Ontario
14h 00m2 stops Toronto Pearson Intl San Francisco
$403United Airlines
Fri, Oct 16 - Mon, Oct 19
8:20 pm - 8:58 pmYXU London-ONT Ontario
27h 38m2 stops Toronto Pearson Intl Denver Intl
5:00 am - 5:43 pmONT Ontario-YXU London
9h 43m2 stops Denver Intl Toronto Pearson Intl
$878United Airlines
Fri, Oct 16 - Mon, Oct 19
6:10 am - 7:40 pmYXU London-ONT Ontario
16h 30m2 stops Calgary San Francisco
8:35 pm - 5:20 amONT Ontario-YXU London
29h 45m3 stops Las Vegas Harry Reid Intl San Francisco Calgary
$1,078Multiple Airlines
Fri, Oct 16 - Mon, Oct 19
6:10 am - 9:09 amYXU London-ONT Ontario
29h 59m3 stops Calgary San Francisco Las Vegas Harry Reid Intl
8:35 pm - 5:20 amONT Ontario-YXU London
29h 45m3 stops Las Vegas Harry Reid Intl San Francisco Calgary
$1,209Multiple Airlines
Price, demand and travel trends for London to Ontario flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.
Key details for London to Ontario flights
Cheapest flight | $295 |
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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.
Your London to Ontario flight questions, answered
Find helpful answers about this route, including flight times, airports, airlines and booking tips.
Your guide to booking London to Ontario flights
Get tips on when to book, when to fly and what to know before your trip.More options for your flight from London to Ontario
Complete your trip to Ontario with a hotel stay or car rental
Information on your arrival and departure airports
Cabin class types available on flights from London to Ontario
Cabin classes available on flights from London to Ontario. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Find direct flights to and from London and Ontario
Flights from domestic origins to Ontario
More flights to Ontario. Prices are the lowest found on KAYAK in the last 7 days. Price and availability is not guaranteed.
Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.