$258 Cheap Flights from London, Ontario to Ontario in 2026/27 | momondo

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5:30 am - 5:36 pmYXU London-ONT Ontario

15h 06m2 stops Toronto Pearson Intl San Francisco

11:20 am - 8:32 amONT Ontario-YXU London

42h 12m2 stops San Francisco Toronto Pearson Intl

$691United Airlines

Sat, Dec 5 - Tue, Dec 8

5:30 am - 8:01 pmYXU London-ONT Ontario

17h 31m2 stops Toronto Pearson Intl San Francisco

5:00 am - 9:52 pmONT Ontario-YXU London

13h 52m2 stops Denver Intl Toronto Pearson Intl

$699United Airlines

Sat, Jan 9 - Sun, Jan 10

5:30 am - 5:35 pmYXU London-ONT Ontario

15h 05m2 stops Toronto Pearson Intl San Francisco

5:00 am - 9:52 pmONT Ontario-YXU London

13h 52m2 stops Denver Intl Toronto Pearson Intl

$702United Airlines

Sat, Jan 9 - Sun, Jan 10

5:30 am - 5:35 pmYXU London-ONT Ontario

15h 05m2 stops Toronto Pearson Intl San Francisco

5:00 am - 9:52 pmONT Ontario-YXU London

13h 52m2 stops Denver Intl Toronto Pearson Intl

$720United Airlines

Sat, Jan 9 - Sun, Jan 10

5:30 am - 5:36 pmYXU London-ONT Ontario

15h 06m2 stops Toronto Pearson Intl San Francisco

5:00 am - 9:52 pmONT Ontario-YXU London

13h 52m2 stops Denver Intl Toronto Pearson Intl

$731United Airlines

Sat, Dec 5 - Tue, Dec 8

9:15 am - 10:53 pmYXU London-ONT Ontario

16h 38m2 stops Toronto Pearson Intl San Francisco

5:00 am - 9:52 pmONT Ontario-YXU London

13h 52m2 stops Denver Intl Toronto Pearson Intl

$786United Airlines

Fri, Dec 18 - Fri, Dec 25

9:15 am - 9:00 pmYXU London-ONT Ontario

14h 45m2 stops Toronto Pearson Intl Denver Intl

5:00 am - 9:52 pmONT Ontario-YXU London

13h 52m3 stops Denver Intl Chicago O'Hare Intl Toronto Pearson Intl

$909United Airlines

Fri, Dec 18 - Fri, Dec 25

6:40 am - 9:40 amYXU London-ONT Ontario

30h 00m3 stops Calgary Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

8:15 am - 5:35 amONT Ontario-YXU London

18h 20m3 stops Las Vegas Harry Reid Intl Vancouver Intl Calgary

$950Multiple Airlines

Mon, Nov 16 - Fri, Nov 20

6:40 am - 10:47 amYXU London-ONT Ontario

31h 07m3 stops Calgary San Francisco Denver Intl

10:23 am - 2:05 pmONT Ontario-YXU London

24h 42m3 stops Las Vegas Harry Reid Intl Austin Bergstrom Orlando

$966Multiple Airlines

Fri, Dec 18 - Fri, Dec 25

9:05 pm - 12:29 pmYXU London-ONT Ontario

18h 24m2 stops Toronto Pearson Intl San Francisco

7:00 am - 8:27 pmONT Ontario-YXU London

10h 27m2 stops Chicago O'Hare Intl Toronto Pearson Intl

$1,072United Airlines

Mon, Nov 16 - Fri, Nov 20

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United Airlines flights from London, Ontario to Ontario

Our best United Airlines deals on London, Ontario to Ontario flight tickets

United Airlines

Dec 5

YXU5:30 amLondon

15h 06m

2 stops

ONT5:36 pmOntario

Dec 8

ONT11:20 amOntario

42h 12m

2 stops

YXU8:32 amLondon

$691

United Airlines

Jan 9

YXU5:30 amLondon

17h 31m

2 stops

ONT8:01 pmOntario

Jan 10

ONT5:00 amOntario

13h 52m

2 stops

YXU9:52 pmLondon

$699

United Airlines

Jan 9

YXU5:30 amLondon

15h 05m

2 stops

ONT5:35 pmOntario

Jan 10

ONT5:00 amOntario

13h 52m

2 stops

YXU9:52 pmLondon

$702

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonOntario

YXU London - ONT Ontario

YXUONT

London

Sat 12/5

5:30 am-5:36 pm

2 stops15h 06m

Ontario

Tue 12/8

11:20 am-8:32 am

2 stops42h 12m

$691

LondonOntario

YXU London - ONT Ontario

YXUONT

London

Sat 1/9

5:30 am-8:01 pm

2 stops17h 31m

Ontario

Sun 1/10

5:00 am-9:52 pm

2 stops13h 52m

$699

LondonOntario

YXU London - ONT Ontario

YXUONT

London

Sat 1/9

5:30 am-5:35 pm

2 stops15h 05m

Ontario

Sun 1/10

5:00 am-9:52 pm

2 stops13h 52m

$702

LondonOntario

YXU London - ONT Ontario

YXUONT

London

Sat 1/9

5:30 am-5:35 pm

2 stops15h 05m

Ontario

Sun 1/10

5:00 am-9:52 pm

2 stops13h 52m

$720

LondonOntario

YXU London - ONT Ontario

YXUONT

London

Sat 12/5

5:30 am-5:36 pm

2 stops15h 06m

Ontario

Tue 12/8

5:00 am-9:52 pm

2 stops13h 52m

$731

LondonOntario

YXU London - ONT Ontario

YXUONT

London

Fri 12/18

9:15 am-10:53 pm

2 stops16h 38m

Ontario

Fri 12/25

5:00 am-9:52 pm

2 stops13h 52m

$786

Quickest round-trip

LondonOntario

YXU London - ONT Ontario

YXUONT

London

Fri 12/18

9:15 am-9:00 pm

2 stops14h 45m

Ontario

Fri 12/25

5:00 am-9:52 pm

3 stops13h 52m

$909

LondonOntario

YXU London - ONT Ontario

YXUONT

London

Mon 11/16

6:40 am-9:40 am

3 stops30h 00m

Ontario

Fri 11/20

8:15 am-5:35 am

3 stops18h 20m

$950

LondonOntario

YXU London - ONT Ontario

YXUONT

London

Fri 12/18

6:40 am-10:47 am

3 stops31h 07m

Ontario

Fri 12/25

10:23 am-2:05 pm

3 stops24h 42m

$966

LondonOntario

YXU London - ONT Ontario

YXUONT

London

Mon 11/16

9:05 pm-12:29 pm

2 stops18h 24m

Ontario

Fri 11/20

7:00 am-8:27 pm

2 stops10h 27m

$1,072

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

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How to get the cheapest flight ticket from London, Ontario to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from London to Ontario?

United Airlines is the most popular carrier operating from London to Ontario

What airlines fly to Ontario?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Ontario from London, Ontario according to our data. Air Canada is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from London, Ontario to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from London, Ontario to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap London, Ontario to Ontario (YXU to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to Ontario

Best Price Found	$258
Fastest flight time	15h 05m
Direct flights	None

The best one-way flight to Ontario from London, Ontario in the past 72 hours is $258. The best round-trip flight deal from London, Ontario to Ontario found on momondo in the last 72 hours is $691.

The fastest flight from London, Ontario to Ontario takes 15h 05m

There are no direct flights from London, Ontario to Ontario. There are no popular flight routes from London, Ontario to Ontario.

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Frequently asked questions about flying from London, Ontario to Ontario

How far is London to Ontario by plane?
There are 2043.3 mi between London and Ontario. Flights usually cover this in 15h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London Airport to Ontario Airport?
Prices for flights from London Airport to Ontario Airport are updated daily.
How old do you have to be to fly from London Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from London.

Can I find flights from London to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Ontario?

Once you have performed a search for London to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from London and alert you when they change.

An easier way to manage your Ontario trip

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