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

The average flight duration from United States to London, Ontario depends on which airport you fly into and out of. Flying from New York to Toronto Pearson Intl Airport is 1h 49m on average, while flying from Boston to Toronto Pearson Intl Airport is 1h 55m on average. Toronto Pearson Intl Airport is the most popular airport in London, Ontario.

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

Prices for flights from United States to London Airport were last updated today.

How old do you have to be to fly from United States 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 from United States to London Airport.

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

The travel and health documents required for your trip to London Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 228 Cheap Flights from the United States to London, Ontario in 2026

Find the cheapest flights from the United States to London

Round-trip

One-way

Last minute

Recent round-trip flight deals from the United States to London

Enter your travel dates to find the best prices.

3:30 p.m. - 5:20 a.m.SAN San Diego-YXU London

10h 50m1 stop Calgary

6:10 a.m. - 2:10 p.m.YXU London-SAN San Diego

11h 00m1 stop Calgary

C$ 400WestJet

Thu, 8 Oct - Thu, 15 Oct

3:30 p.m. - 5:20 a.m.SAN San Diego-YXU London

10h 50m1 stop Calgary

6:10 a.m. - 2:10 p.m.YXU London-SAN San Diego

11h 00m1 stop Calgary

C$ 451WestJet

Tue, 29 Sep - Sat, 3 Oct

8:25 a.m. - 7:52 p.m.SFO San Francisco-YXU London

8h 27m1 stop Toronto Pearson Intl

5:30 a.m. - 11:10 a.m.YXU London-SFO San Francisco

8h 40m1 stop Toronto Pearson Intl

C$ 494Air Canada

Wed, 28 Oct - Sun, 1 Nov

6:00 a.m. - 4:45 p.m.SFO San Francisco-YXU London

7h 45m1 stop Calgary

7:40 a.m. - 4:50 p.m.YXU London-SFO San Francisco

12h 10m1 stop Calgary

C$ 499WestJet

Thu, 22 Oct - Thu, 29 Oct

6:00 a.m. - 5:20 a.m.SFO San Francisco-YXU London

20h 20m1 stop Calgary

6:10 a.m. - 12:00 p.m.YXU London-SFO San Francisco

8h 50m1 stop Calgary

C$ 513WestJet

Tue, 20 Oct - Thu, 22 Oct

1:00 p.m. - 5:20 a.m.SFO San Francisco-YXU London

13h 20m1 stop Calgary

7:40 a.m. - 12:51 p.m.YXU London-SFO San Francisco

32h 11m2 stops Calgary San Diego

C$ 519Multiple Airlines

Tue, 13 Oct - Mon, 26 Oct

6:00 a.m. - 5:20 a.m.SFO San Francisco-YXU London

20h 20m1 stop Calgary

7:40 a.m. - 4:50 p.m.YXU London-SFO San Francisco

12h 10m1 stop Calgary

C$ 528WestJet

Tue, 13 Oct - Mon, 26 Oct

6:00 a.m. - 5:20 a.m.SFO San Francisco-YXU London

20h 20m1 stop Calgary

6:10 a.m. - 12:00 p.m.YXU London-SFO San Francisco

8h 50m1 stop Calgary

C$ 544WestJet

Tue, 20 Oct - Thu, 22 Oct

1:00 p.m. - 5:20 a.m.SFO San Francisco-YXU London

13h 20m1 stop Calgary

6:10 a.m. - 12:00 p.m.YXU London-SFO San Francisco

8h 50m1 stop Calgary

C$ 544WestJet

Tue, 20 Oct - Thu, 22 Oct

9:05 p.m. - 8:25 a.m.TPA Tampa-YXU London

11h 20m1 stop Toronto Pearson Intl

9:15 a.m. - 3:04 p.m.YXU London-TPA Tampa

5h 49m1 stop Toronto Pearson Intl

C$ 549Air Canada

Tue, 20 Oct - Tue, 27 Oct

Recent last minute flight deals from the United States to London

Enter your travel dates to find the best prices.

3:30 p.m. - 5:20 a.m.SAN San Diego-YXU London

10h 50m1 stop Calgary

6:10 a.m. - 2:10 p.m.YXU London-SAN San Diego

11h 00m1 stop Calgary

C$ 411WestJet

Fri, 11 Sep - Tue, 15 Sep

7:00 a.m. - 9:40 p.m.SAN San Diego-YXU London

11h 40m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

10:05 a.m. - 6:35 p.m.YXU London-SAN San Diego

11h 30m2 stops Toronto Pearson Intl San Francisco

C$ 739Air Canada

Fri, 11 Sep - Tue, 15 Sep

1:10 p.m. - 9:20 a.m.SAN San Diego-YXU London

17h 10m1 stop Toronto Pearson Intl

10:05 a.m. - 6:35 p.m.YXU London-SAN San Diego

11h 30m2 stops Toronto Pearson Intl San Francisco

C$ 761Air Canada

Fri, 11 Sep - Tue, 15 Sep

11:55 a.m. - 5:43 p.m.MCO Orlando-YXU London

5h 48m1 stop Toronto Pearson Intl

5:40 a.m. - 10:54 a.m.YXU London-MCO Orlando

5h 14m1 stop Toronto Pearson Intl

C$ 869Air Canada

Thu, 10 Sep - Thu, 17 Sep

8:00 a.m. - 5:43 p.m.MCO Orlando-YXU London

9h 43m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

5:40 a.m. - 10:54 a.m.YXU London-MCO Orlando

5h 14m1 stop Toronto Pearson Intl

C$ 881Air Canada

Thu, 10 Sep - Thu, 17 Sep

5:15 p.m. - 5:43 p.m.MCO Orlando-YXU London

24h 28m3 stops Houston George Bush Intcntl Denver Intl Toronto Pearson Intl

6:20 p.m. - 11:49 p.m.YXU London-MCO Orlando

5h 29m1 stop Toronto Pearson Intl

C$ 1,039Multiple Airlines

Thu, 10 Sep - Thu, 17 Sep

11:30 a.m. - 5:20 a.m.MCO Orlando-YXU London

17h 50m2 stops Toronto Pearson Intl Calgary

6:10 a.m. - 10:19 a.m.YXU London-MCO Orlando

28h 09m3 stops Calgary Abbotsford Ottawa

C$ 1,453Multiple Airlines

Thu, 10 Sep - Thu, 17 Sep

11:30 a.m. - 5:20 a.m.MCO Orlando-YXU London

17h 50m3 stops Toronto Pearson Intl Ottawa Calgary

6:10 a.m. - 10:19 a.m.YXU London-MCO Orlando

28h 09m3 stops Calgary Abbotsford Ottawa

C$ 1,794Multiple Airlines

Thu, 10 Sep - Thu, 17 Sep

6:18 a.m. - 9:40 p.m.SAN San Diego-YXU London

12h 22m2 stops Chicago O'Hare Intl Toronto Pearson Intl

10:05 a.m. - 8:45 p.m.YXU London-SAN San Diego

13h 40m3 stops Toronto Pearson Intl Chicago O'Hare Intl San Francisco

C$ 1,908United Airlines

Fri, 11 Sep - Tue, 15 Sep

11:19 a.m. - 5:20 a.m.DFW Dallas/Fort Worth-YXU London

17h 01m2 stops Detroit Metropolitan Wayne County Calgary

6:10 a.m. - 9:48 p.m.YXU London-DFW Dallas/Fort Worth

16h 38m2 stops Calgary Detroit Metropolitan Wayne County

C$ 2,277WestJet

Wed, 9 Sep - Fri, 11 Sep

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WestJet flights from United States to London, Ontario

Our best WestJet deals on United States to London, Ontario flight tickets

WestJet

8 Oct

SAN3:30 p.m.San Diego

10h 50m

1 stop

YXU5:20 a.m.London

15 Oct

YXU6:10 a.m.London

11h 00m

1 stop

SAN2:10 p.m.San Diego

C$ 400

WestJet

11 Sep

SAN3:30 p.m.San Diego

10h 50m

1 stop

YXU5:20 a.m.London

15 Sep

YXU6:10 a.m.London

11h 00m

1 stop

SAN2:10 p.m.San Diego

C$ 411

WestJet

29 Sep

SAN3:30 p.m.San Diego

10h 50m

1 stop

YXU5:20 a.m.London

3 Oct

YXU6:10 a.m.London

11h 00m

1 stop

SAN2:10 p.m.San Diego

C$ 451

Air Canada flights from United States to London, Ontario

Our best Air Canada deals on United States to London, Ontario flight tickets

Air Canada

28 Oct

SFO8:25 a.m.San Francisco

8h 27m

1 stop

YXU7:52 p.m.London

1 Nov

YXU5:30 a.m.London

8h 40m

1 stop

SFO11:10 a.m.San Francisco

C$ 494

Air Canada

20 Oct

TPA9:05 p.m.Tampa

11h 20m

1 stop

YXU8:25 a.m.London

27 Oct

YXU9:15 a.m.London

5h 49m

1 stop

TPA3:04 p.m.Tampa

C$ 549

Air Canada

6 Oct

SAN5:05 p.m.San Diego

21h 38m

2 stops

YXU5:43 p.m.London

10 Oct

YXU8:20 p.m.London

22h 52m

2 stops

SAN4:12 p.m.San Diego

C$ 560

momondo Fare Finder

Use the filters below to find and compare flights from the United States to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Thu 8/10

3:30 p.m.-5:20 a.m.

1 stop10h 50m

London

Thu 15/10

6:10 a.m.-2:10 p.m.

1 stop11h 00m

C$ 400

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Tue 29/9

3:30 p.m.-5:20 a.m.

1 stop10h 50m

London

Sat 3/10

6:10 a.m.-2:10 p.m.

1 stop11h 00m

C$ 451

Quickest round-trip

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Wed 28/10

8:25 a.m.-7:52 p.m.

1 stop8h 27m

London

Sun 1/11

5:30 a.m.-11:10 a.m.

1 stop8h 40m

C$ 494

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Thu 22/10

6:00 a.m.-4:45 p.m.

1 stop7h 45m

London

Thu 29/10

7:40 a.m.-4:50 p.m.

1 stop12h 10m

C$ 499

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 20/10

6:00 a.m.-5:20 a.m.

1 stop20h 20m

London

Thu 22/10

6:10 a.m.-12:00 p.m.

1 stop8h 50m

C$ 513

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 13/10

1:00 p.m.-5:20 a.m.

1 stop13h 20m

London

Mon 26/10

7:40 a.m.-12:51 p.m.

2 stops32h 11m

C$ 519

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 13/10

6:00 a.m.-5:20 a.m.

1 stop20h 20m

London

Mon 26/10

7:40 a.m.-4:50 p.m.

1 stop12h 10m

C$ 528

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 20/10

6:00 a.m.-5:20 a.m.

1 stop20h 20m

London

Thu 22/10

6:10 a.m.-12:00 p.m.

1 stop8h 50m

C$ 544

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 20/10

1:00 p.m.-5:20 a.m.

1 stop13h 20m

London

Thu 22/10

6:10 a.m.-12:00 p.m.

1 stop8h 50m

C$ 544

TampaLondon

TPA Tampa - YXU London

TPAYXU

Tampa

Tue 20/10

9:05 p.m.-8:25 a.m.

1 stop11h 20m

London

Tue 27/10

9:15 a.m.-3:04 p.m.

1 stop5h 49m

C$ 549

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United States to London, 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

Airlines

Other information

What is the cheapest airline that flies from United States to London?

WestJet, Air Canada, and United Airlines are the most popular carriers operating from United States to London

Which airlines fly to London, Ontario?

Air Canada, Porter Airlines and WestJet are the top three most popular airlines that fly to London, Ontario from United States according to our data. Air Canada is the first choice among our users, with 47% of people opting to fly with this airline when travelling to London, Ontario. Keep in mind that there are 9 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

Cheap United States to London, Ontario flight deals and tips

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

Best price found	C$ 228
Fastest flight time	3h 50m
Direct flights	None

The best one-way flight to London, Ontario from United States in the past 72 hours is C$ 228. The best round-trip flight deal from United States to London, Ontario found on momondo in the last 72 hours is C$ 400.

The fastest flight from United States to London, Ontario takes 3h 50m

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

Search flight deals

Frequently asked questions about flying from the United States to London, Ontario

When did momondo last update prices for flights from United States to London Airport?
Prices for flights from United States to London Airport were last updated today.
How old do you have to be to fly from United States 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 from United States to London Airport.
What documentation or ID do you need to fly to London Airport?
The travel and health documents required for your trip to London Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Grand Bend

Port Stanley

Why use momondo?

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

Finding the right flight to London from United States is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for United States to London flights to just show those with flexible booking policies.

How can momondo help me find flights from United States to London?

momondo provides multiple filters to help you find the best flight to London from United States. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of United States to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.