Which airlines fly to London, Ontario?

Based on our data, the most popular airlines that fly to London, Ontario from United States are Air Canada, Porter Airlines, United Airlines and American Airlines. There may also be other airline options depending on where in United States you’re flying from.

WestJet Flights to London, Ontario

There are 6 WestJet flights to London, Ontario in a normal week. The most common departure point is Calgary and the best WestJet ticket price seen on momondo is $162 (last 72 hours, from San Francisco, to London, Ontario). WestJet has a score of 7.2 from 3,122 user reviews on momondo.

How long does it take to fly to London, Ontario?

If you’re flying from a popular airport in United States, such as Los Angeles or Miami, and flying into London, Ontario, then you can expect flight times to average 4h 40m and 3h 16m, respectively.

$137 Cheap Flights to London in 2025/26

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Find the cheapest flights from the United States to London, Ontario

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Cheap round-trip flights

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6:05 pm - 5:12 amLAX-YXU

8h 07m1 stop

6:00 am - 6:09 pmYXU-LAX

15h 09m2 stops

$351WestJet

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Wed, Oct 22 - Sat, Oct 25

12:15 pm - 6:35 amLAX-YXU

15h 20m1 stop

8:10 pm - 11:00 amYXU-LAX

17h 50m2 stops

$360WestJet

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Thu, Feb 19 - Mon, Feb 23

12:15 pm - 6:35 amLAX-YXU

15h 20m1 stop

8:10 pm - 10:03 pmYXU-LAX

28h 53m1 stop

$363WestJet

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Thu, Feb 19 - Mon, Feb 23

4:15 pm - 9:21 pmTPA-YXU

5h 06m1 stop

9:25 am - 3:22 pmYXU-TPA

5h 57m1 stop

$366Air Canada

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Thu, Feb 19 - Mon, Feb 23

6:05 pm - 5:12 amLAX-YXU

8h 07m1 stop

6:00 am - 9:46 pmYXU-LAX

18h 46m1 stop

$368WestJet

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Wed, Oct 22 - Sat, Oct 25

4:15 pm - 9:21 pmTPA-YXU

5h 06m1 stop

9:25 am - 9:12 pmYXU-TPA

11h 47m2 stops

$371Air Canada

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Thu, Feb 19 - Mon, Feb 23

12:56 am - 3:02 pmLAX-YXU

11h 06m2 stops

3:40 pm - 8:33 pmYXU-LAX

7h 53m1 stop

$419United Airlines

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Tue, Oct 21 - Sat, Oct 25

12:56 am - 3:02 pmLAX-YXU

11h 06m2 stops

6:15 am - 5:01 pmYXU-LAX

13h 46m2 stops

$434United Airlines

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Tue, Oct 21 - Sat, Oct 25

4:58 pm - 7:12 pmORD-YXU

25h 14m2 stops

8:10 pm - 1:35 pmYXU-ORD

18h 25m1 stop

$443Multiple Airlines

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Thu, Nov 20 - Thu, Nov 27

9:00 am - 9:21 pmTPA-YXU

12h 21m2 stops

9:25 am - 9:12 pmYXU-TPA

11h 47m2 stops

$452Multiple Airlines

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Fri, Nov 21 - Mon, Nov 24

Fly from

Route

Depart

Return

Price

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Wed 10/22

6:05 pm-5:12 am

1 stop8h 07m

London

Sat 10/25

6:00 am-6:09 pm

2 stops15h 09m

$351

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Thu 2/19

12:15 pm-6:35 am

1 stop15h 20m

London

Mon 2/23

8:10 pm-11:00 am

2 stops17h 50m

$360

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Thu 2/19

12:15 pm-6:35 am

1 stop15h 20m

London

Mon 2/23

8:10 pm-10:03 pm

1 stop28h 53m

$363

TampaLondon

TPA - YXU

TPAYXU

Tampa

Thu 2/19

4:15 pm-9:21 pm

1 stop5h 06m

London

Mon 2/23

9:25 am-3:22 pm

1 stop5h 57m

$366

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Wed 10/22

6:05 pm-5:12 am

1 stop8h 07m

London

Sat 10/25

6:00 am-9:46 pm

1 stop18h 46m

$368

TampaLondon

TPA - YXU

TPAYXU

Tampa

Thu 2/19

4:15 pm-9:21 pm

1 stop5h 06m

London

Mon 2/23

9:25 am-9:12 pm

2 stops11h 47m

$371

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Tue 10/21

12:56 am-3:02 pm

2 stops11h 06m

London

Sat 10/25

3:40 pm-8:33 pm

1 stop7h 53m

$419

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Tue 10/21

12:56 am-3:02 pm

2 stops11h 06m

London

Sat 10/25

6:15 am-5:01 pm

2 stops13h 46m

$434

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 11/20

4:58 pm-7:12 pm

2 stops25h 14m

London

Thu 11/27

8:10 pm-1:35 pm

1 stop18h 25m

$443

TampaLondon

TPA - YXU

TPAYXU

Tampa

Fri 11/21

9:00 am-9:21 pm

2 stops12h 21m

London

Mon 11/24

9:25 am-9:12 pm

2 stops11h 47m

$452

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

London, Ontario flights insights and trends

Explore insights for your London, Ontario flight to craft the best travel plan

Prices

Other information

What is the cheapest day to depart on your flight to London, Ontario?

According to our data, Wednesday is the cheapest day to fly to London, Ontario from United States. The lowest ticket price found for a Wednesday departure recently was $199. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London, Ontario on Friday is $549.

What is the cheapest time of day to depart on your flight to London, Ontario?

In the afternoon is the cheapest time of day to fly from United States to London, Ontario when you can find flight prices for as low as $284. Flying to London, Ontario in the afternoon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to London, Ontario, so prices are often more expensive at around $514 per ticket.

Cheapest flights to London

Find the cheapest flights to London from your nearest city or airport

Find flights from Los Angeles to Toronto Pearson Intl Airport

CHEAPEST MONTH TO FLY TO LONDON, ONTARIO FROM LOS ANGELES	May	21% cheaper	Flying from Los Angeles to London, Ontario costs on average just $278 in May
MOST EXPENSIVE MONTH TO FLY TO LONDON, ONTARIO FROM LOS ANGELES	September	104% more expensive	It costs about $718 for flights to London, Ontario from Los Angeles in September
MOST POPULAR MONTH TO FLY TO LONDON, ONTARIO FROM LOS ANGELES	July	600% more users visited	More momondo users searched in flights to London, Ontario from Los Angeles in July than any other month

Cheap London, Ontario flight deals and tips

Summary info about London, Ontario flight prices, duration and airlines

Best One-Way Price	$137
Best Round-Trip Price	$351
Fastest flight time	4h 55m

The best one-way flight price to London from United States in the last 72 hours is $137 (Chicago O'Hare Intl to London).

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The best round-trip flight price to London from United States in the last 72 hours is $351 (Los Angeles to London).

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The fastest flight to London from United States takes 4h 55m (Orlando to London).

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Frequently asked questions about flying to London, Ontario

When are the weather conditions best for skiing in London?

Typically, the best ski conditions are found in February or January, when the temperatures are lower and there is a chance of fresh snow. Popular places to ski in the London area include Blue Mountain.

Is there an alternative airport near London, Ontario?

Those flying to London, Ontario could potentially find better pricing at London Airport (5 mi from London, Ontario city center), Toronto Region of Waterloo Intl Airport (54 mi from London, Ontario city center), Sarnia Airport (54 mi from London, Ontario city center), Chatham-Kent Airport (63 mi from London, Ontario city center) or Hamilton Airport (67 mi from London, Ontario city center) depending on the month and departure airport.

Is there a cheaper alternative to flying into London, Ontario?

You can find deals at Toronto Region of Waterloo Intl Airport for $188 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to London, Ontario?

$100 is the cheapest deal found on momondo in the last two weeks for a flight to London, Ontario. This flight is from Calgary and is 51% cheaper than most flights to London, Ontario. To find the cheapest price to London, Ontario from your area, use momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to London Airport?

Prices for flights to London Airport refresh daily.

How many operators does momondo search for flights to London Airport?

The number of operators available for flights to London Airport is 3 as of October 2025.

How old do you have to be to fly to London Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to London Airport.

What documentation or ID do you need to fly to London Airport?

The necessary travel and health documents for your London 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.

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

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

How can momondo help me find flights to London?

Once you have performed a search for flights to London, momondo helps you find the right flight 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 to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.