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 50m 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$ 213 Cheap Flights from the United States to London, Ontario in 2026/27

Find the cheapest flights from the United States to London

Round-trip

One-way

Last minute

Direct

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

Enter your travel dates to find the best prices.

7:35 p.m. - 5:20 a.m.SEA Seattle/Tacoma Intl-YXU London

6h 45m1 stop Calgary

5:55 p.m. - 9:40 a.m.YXU London-SEA Seattle/Tacoma Intl

18h 45m1 stop Calgary

C$ 519WestJet

Thu, 15 Oct - Fri, 16 Oct

6:05 p.m. - 5:20 a.m.SFO San Francisco-YXU London

8h 15m1 stop Calgary

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

8h 50m1 stop Calgary

C$ 541WestJet

Wed, 14 Oct - Wed, 21 Oct

7:30 p.m. - 5:43 p.m.SFO San Francisco-YXU London

19h 13m2 stops Vancouver Intl Toronto Pearson Intl

8:20 p.m. - 10:39 a.m.YXU London-SFO San Francisco

17h 19m1 stop Toronto Pearson Intl

C$ 542Air Canada

Tue, 20 Oct - Thu, 22 Oct

7:30 p.m. - 5:43 p.m.SFO San Francisco-YXU London

19h 13m2 stops Vancouver Intl Toronto Pearson Intl

8:20 p.m. - 3:21 p.m.YXU London-SFO San Francisco

22h 01m2 stops Toronto Pearson Intl Vancouver Intl

C$ 549Air Canada

Tue, 20 Oct - Thu, 22 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$ 551WestJet

Tue, 20 Oct - Thu, 22 Oct

6:00 a.m. - 5:35 a.m.MCO Orlando-YXU London

23h 35m2 stops Atlanta Hartsfield-Jackson Calgary

10:00 a.m. - 12:55 p.m.YXU London-MCO Orlando

2h 55mdirect

C$ 562Multiple Airlines

Thu, 10 Dec - Sat, 12 Dec

11:35 a.m. - 8:25 a.m.SFO San Francisco-YXU London

17h 50m1 stop Toronto Pearson Intl

3:30 p.m. - 11:20 p.m.YXU London-SFO San Francisco

10h 50m2 stops Toronto Pearson Intl Vancouver Intl

C$ 573Air Canada

Sat, 17 Oct - Sat, 24 Oct

7:35 p.m. - 5:20 a.m.SEA Seattle/Tacoma Intl-YXU London

6h 45m1 stop Calgary

6:10 a.m. - 6:45 p.m.YXU London-SEA Seattle/Tacoma Intl

15h 35m1 stop Calgary

C$ 580WestJet

Tue, 20 Oct - Sat, 24 Oct

12:15 p.m. - 8:25 a.m.SFO San Francisco-YXU London

17h 10m2 stops Vancouver Intl Toronto Pearson Intl

3:30 p.m. - 11:20 p.m.YXU London-SFO San Francisco

10h 50m2 stops Toronto Pearson Intl Vancouver Intl

C$ 580Air Canada

Sat, 17 Oct - Sat, 24 Oct

11:10 a.m. - 5:35 a.m.MCO Orlando-YXU London

18h 25m3 stops Toronto Pearson Intl Winnipeg Calgary

10:00 a.m. - 12:55 p.m.YXU London-MCO Orlando

2h 55mdirect

C$ 586Multiple Airlines

Thu, 10 Dec - Sat, 12 Dec

Recent last minute flight deals from the United States to London

Enter your travel dates to find the best prices.

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$ 880WestJet

Wed, 23 Sep - Sun, 27 Sep

6:05 p.m. - 5:20 a.m.SFO San Francisco-YXU London

8h 15m1 stop Calgary

6:10 a.m. - 10:55 a.m.YXU London-SFO San Francisco

31h 45m2 stops Calgary Las Vegas Harry Reid Intl

C$ 926Multiple Airlines

Wed, 23 Sep - Sun, 27 Sep

6:00 a.m. - 9:40 p.m.SFO San Francisco-YXU London

12h 40m2 stops Chicago O'Hare Intl Toronto Pearson Intl

3:30 p.m. - 8:45 a.m.YXU London-SFO San Francisco

20h 15m2 stops Toronto Pearson Intl Chicago O'Hare Intl

C$ 1,001United Airlines

Wed, 23 Sep - Sun, 27 Sep

9:55 a.m. - 2:50 p.m.ORD Chicago O'Hare Intl-YXU London

3h 55m1 stop Toronto Pearson Intl

10:05 a.m. - 2:55 p.m.YXU London-ORD Chicago O'Hare Intl

5h 50m1 stop Toronto Pearson Intl

C$ 1,233Air Canada

Tue, 22 Sep - Mon, 28 Sep

3:45 p.m. - 9:40 p.m.ORD Chicago O'Hare Intl-YXU London

4h 55m1 stop Toronto Pearson Intl

5:40 a.m. - 9:00 a.m.YXU London-ORD Chicago O'Hare Intl

4h 20m1 stop Toronto Pearson Intl

C$ 1,233Air Canada

Mon, 21 Sep - Mon, 28 Sep

3:45 p.m. - 9:40 p.m.ORD Chicago O'Hare Intl-YXU London

4h 55m1 stop Toronto Pearson Intl

3:30 p.m. - 7:48 p.m.YXU London-ORD Chicago O'Hare Intl

5h 18m1 stop Toronto Pearson Intl

C$ 1,233Air Canada

Mon, 21 Sep - Tue, 29 Sep

9:55 a.m. - 2:50 p.m.ORD Chicago O'Hare Intl-YXU London

3h 55m1 stop Toronto Pearson Intl

3:30 p.m. - 7:48 p.m.YXU London-ORD Chicago O'Hare Intl

5h 18m1 stop Toronto Pearson Intl

C$ 1,233Air Canada

Tue, 22 Sep - Tue, 29 Sep

8:45 a.m. - 5:43 p.m.ORD Chicago O'Hare Intl-YXU London

7h 58m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

10:05 a.m. - 1:23 p.m.YXU London-ORD Chicago O'Hare Intl

4h 18m1 stop Toronto Pearson Intl

C$ 1,245Air Canada

Mon, 21 Sep - Mon, 28 Sep

11:05 a.m. - 9:40 p.m.ORD Chicago O'Hare Intl-YXU London

9h 35m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

10:05 a.m. - 1:23 p.m.YXU London-ORD Chicago O'Hare Intl

4h 18m1 stop Toronto Pearson Intl

C$ 1,245Air Canada

Tue, 22 Sep - Tue, 29 Sep

8:45 a.m. - 5:43 p.m.ORD Chicago O'Hare Intl-YXU London

7h 58m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

10:05 a.m. - 2:55 p.m.YXU London-ORD Chicago O'Hare Intl

5h 50m1 stop Toronto Pearson Intl

C$ 1,245Air Canada

Mon, 21 Sep - Tue, 29 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

15 Oct

SEA7:35 p.m.Seattle/Tacoma Intl

6h 45m

1 stop

YXU5:20 a.m.London

16 Oct

YXU5:55 p.m.London

18h 45m

1 stop

SEA9:40 a.m.Seattle/Tacoma Intl

C$ 519

WestJet

14 Oct

SFO6:05 p.m.San Francisco

8h 15m

1 stop

YXU5:20 a.m.London

21 Oct

YXU6:10 a.m.London

8h 50m

1 stop

SFO12:00 p.m.San Francisco

C$ 541

WestJet

20 Oct

SEA7:35 p.m.Seattle/Tacoma Intl

6h 45m

1 stop

YXU5:20 a.m.London

24 Oct

YXU6:10 a.m.London

15h 35m

1 stop

SEA6:45 p.m.Seattle/Tacoma Intl

C$ 580

Air Canada flights from United States to London, Ontario

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

Air Canada

20 Oct

SFO7:30 p.m.San Francisco

19h 13m

2 stops

YXU5:43 p.m.London

22 Oct

YXU8:20 p.m.London

17h 19m

1 stop

SFO10:39 a.m.San Francisco

C$ 542

Air Canada

20 Oct

SFO7:30 p.m.San Francisco

19h 13m

2 stops

YXU5:43 p.m.London

22 Oct

YXU8:20 p.m.London

22h 01m

2 stops

SFO3:21 p.m.San Francisco

C$ 549

Air Canada

17 Oct

SFO11:35 a.m.San Francisco

17h 50m

1 stop

YXU8:25 a.m.London

24 Oct

YXU3:30 p.m.London

10h 50m

2 stops

SFO11:20 p.m.San Francisco

C$ 573

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

SeattleLondon

SEA Seattle/Tacoma Intl - YXU London

SEAYXU

Seattle/Tacoma Intl

Thu 15/10

7:35 p.m.-5:20 a.m.

1 stop6h 45m

London

Fri 16/10

5:55 p.m.-9:40 a.m.

1 stop18h 45m

C$ 519

Quickest round-trip

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Wed 14/10

6:05 p.m.-5:20 a.m.

1 stop8h 15m

London

Wed 21/10

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

1 stop8h 50m

C$ 541

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 20/10

7:30 p.m.-5:43 p.m.

2 stops19h 13m

London

Thu 22/10

8:20 p.m.-10:39 a.m.

1 stop17h 19m

C$ 542

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 20/10

7:30 p.m.-5:43 p.m.

2 stops19h 13m

London

Thu 22/10

8:20 p.m.-3:21 p.m.

2 stops22h 01m

C$ 549

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$ 551

OrlandoLondon

MCO Orlando - YXU London

MCOYXU

Orlando

Thu 10/12

6:00 a.m.-5:35 a.m.

2 stops23h 35m

London

Sat 12/12

10:00 a.m.-12:55 p.m.

Nonstop2h 55m

C$ 562

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Sat 17/10

11:35 a.m.-8:25 a.m.

1 stop17h 50m

London

Sat 24/10

3:30 p.m.-11:20 p.m.

2 stops10h 50m

C$ 573

SeattleLondon

SEA Seattle/Tacoma Intl - YXU London

SEAYXU

Seattle/Tacoma Intl

Tue 20/10

7:35 p.m.-5:20 a.m.

1 stop6h 45m

London

Sat 24/10

6:10 a.m.-6:45 p.m.

1 stop15h 35m

C$ 580

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Sat 17/10

12:15 p.m.-8:25 a.m.

2 stops17h 10m

London

Sat 24/10

3:30 p.m.-11:20 p.m.

2 stops10h 50m

C$ 580

OrlandoLondon

MCO Orlando - YXU London

MCOYXU

Orlando

Thu 10/12

11:10 a.m.-5:35 a.m.

3 stops18h 25m

London

Sat 12/12

10:00 a.m.-12:55 p.m.

Nonstop2h 55m

C$ 586

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 Porter 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 49% 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$ 213
Fastest flight time	2h 50m
Direct flights	Fri and Sun
Airports in London, Ontario	1 airport

The best one-way flight to London, Ontario from United States in the past 72 hours is C$ 213. The best round-trip flight deal from United States to London, Ontario found on momondo in the last 72 hours is C$ 519.

The fastest flight from United States to London, Ontario takes 2h 50m

Direct flights go from United States to London, Ontario on Friday and Sunday. The only airline offering direct flights is Porter Airlines.

There is 1 airport in London, Ontario. From United States there are direct flights to London (YXU).

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.