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 52m on average. Toronto Pearson Intl Airport is the most popular airport in London, Ontario.

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 45% 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.

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$ 321 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.

12:15 p.m. - 4:45 p.m.DEN Denver Intl-YXU London

26h 30m1 stop Calgary

5:55 p.m. - 11:20 a.m.YXU London-DEN Denver Intl

19h 25m1 stop Calgary

C$ 629WestJet

Sun, 4 Oct - Sun, 11 Oct

5:30 p.m. - 5:20 a.m.ORD Chicago O'Hare Intl-YXU London

10h 50m1 stop Calgary

6:10 a.m. - 4:40 p.m.YXU London-ORD Chicago O'Hare Intl

11h 30m1 stop Calgary

C$ 687WestJet

Sun, 4 Oct - Sun, 11 Oct

5:30 p.m. - 5:20 a.m.ORD Chicago O'Hare Intl-YXU London

10h 50m1 stop Calgary

5:55 p.m. - 12:24 a.m.YXU London-ORD Chicago O'Hare Intl

31h 29m2 stops Calgary Denver Intl

C$ 741Multiple Airlines

Sun, 4 Oct - Sun, 11 Oct

5:30 p.m. - 5:20 a.m.ORD Chicago O'Hare Intl-YXU London

10h 50m1 stop Calgary

6:10 a.m. - 6:34 a.m.YXU London-ORD Chicago O'Hare Intl

25h 24m2 stops Calgary Los Angeles Los Angeles

C$ 743Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

7:00 a.m. - 5:20 a.m.DEN Denver Intl-YXU London

20h 20m2 stops Phoenix Sky Harbor Intl Calgary

6:10 a.m. - 11:20 a.m.YXU London-DEN Denver Intl

31h 10m1 stop Calgary

C$ 747Multiple Airlines

Sat, 3 Oct - Sat, 10 Oct

5:30 p.m. - 5:20 a.m.ORD Chicago O'Hare Intl-YXU London

10h 50m1 stop Calgary

5:55 p.m. - 6:34 a.m.YXU London-ORD Chicago O'Hare Intl

37h 39m2 stops Calgary Los Angeles Los Angeles

C$ 749Multiple Airlines

Mon, 5 Oct - Mon, 12 Oct

5:30 p.m. - 5:20 a.m.ORD Chicago O'Hare Intl-YXU London

10h 50m1 stop Calgary

5:55 p.m. - 12:24 a.m.YXU London-ORD Chicago O'Hare Intl

31h 29m2 stops Calgary Denver Intl

C$ 798Multiple Airlines

Sun, 4 Oct - Sun, 11 Oct

10:00 a.m. - 5:20 a.m.LGA New York LaGuardia-YXU London

19h 20m3 stops Toronto Island Ottawa Calgary

6:10 a.m. - 10:36 p.m.YXU London-LGA New York LaGuardia

16h 26m2 stops Calgary Toronto Pearson Intl

C$ 820Multiple Airlines

Fri, 11 Sep - Sat, 19 Sep

5:30 p.m. - 5:20 a.m.ORD Chicago O'Hare Intl-YXU London

10h 50m1 stop Calgary

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

5h 50m1 stop Toronto Pearson Intl

C$ 835Multiple Airlines

Mon, 5 Oct - Mon, 12 Oct

8:45 a.m. - 5:20 a.m.ORD Chicago O'Hare Intl-YXU London

19h 35m2 stops Montreal Pierre Elliott Trudeau Intl Calgary

5:40 a.m. - 2:52 p.m.YXU London-ORD Chicago O'Hare Intl

10h 12m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

C$ 840Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

Recent last minute flight deals from the United States to London

Enter your travel dates to find the best prices.

8:30 p.m. - 1:50 p.m.LGA New York LaGuardia-YXU London

17h 20m2 stops Toronto Pearson Intl Winnipeg

5:55 p.m. - 4:55 p.m.YXU London-LGA New York LaGuardia

23h 00m2 stops Calgary Toronto Pearson Intl

C$ 1,694Multiple Airlines

Thu, 27 Aug - Mon, 31 Aug

4:45 p.m. - 9:40 p.m.LGA New York LaGuardia-YXU London

4h 55m1 stop Toronto Pearson Intl

6:20 p.m. - 10:35 p.m.YXU London-LGA New York LaGuardia

4h 15m1 stop Toronto Pearson Intl

C$ 1,793Air Canada

Fri, 28 Aug - Sun, 30 Aug

8:45 a.m. - 5:42 p.m.LGA New York LaGuardia-YXU London

8h 57m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

6:20 p.m. - 10:35 p.m.YXU London-LGA New York LaGuardia

4h 15m1 stop Toronto Pearson Intl

C$ 1,806Air Canada

Fri, 28 Aug - Sun, 30 Aug

9:00 a.m. - 2:50 p.m.EWR Newark-YXU London

5h 50m1 stop Toronto Pearson Intl

6:20 p.m. - 10:35 p.m.YXU London-EWR Newark

4h 15m1 stop Toronto Pearson Intl

C$ 1,817Air Canada

Fri, 28 Aug - Sun, 30 Aug

7:30 a.m. - 2:50 p.m.EWR Newark-YXU London

7h 20m2 stops Ottawa Toronto Pearson Intl

3:30 p.m. - 7:05 p.m.YXU London-EWR Newark

3h 35m1 stop Toronto Pearson Intl

C$ 1,825Air Canada

Fri, 28 Aug - Sun, 30 Aug

7:55 p.m. - 9:20 a.m.LGA New York LaGuardia-YXU London

13h 25m1 stop Toronto Pearson Intl

5:40 a.m. - 9:29 a.m.YXU London-LGA New York LaGuardia

3h 49m1 stop Toronto Pearson Intl

C$ 1,828Air Canada

Fri, 28 Aug - Sun, 30 Aug

8:30 p.m. - 9:20 a.m.LGA New York LaGuardia-YXU London

12h 50m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

5:40 a.m. - 9:29 a.m.YXU London-LGA New York LaGuardia

3h 49m1 stop Toronto Pearson Intl

C$ 1,847Air Canada

Fri, 28 Aug - Sun, 30 Aug

6:30 a.m. - 2:50 p.m.LGA New York LaGuardia-YXU London

8h 20m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

5:40 a.m. - 2:37 p.m.YXU London-LGA New York LaGuardia

8h 57m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

C$ 1,875Air Canada

Fri, 28 Aug - Sun, 30 Aug

4:45 p.m. - 9:40 p.m.LGA New York LaGuardia-YXU London

4h 55m1 stop Toronto Pearson Intl

5:40 a.m. - 9:29 a.m.YXU London-LGA New York LaGuardia

3h 49m1 stop Toronto Pearson Intl

C$ 1,888Air Canada

Fri, 28 Aug - Sun, 30 Aug

4:45 p.m. - 9:40 p.m.LGA New York LaGuardia-YXU London

4h 55m1 stop Toronto Pearson Intl

5:40 a.m. - 9:29 a.m.YXU London-LGA New York LaGuardia

3h 49m1 stop Toronto Pearson Intl

C$ 1,890Air Canada

Fri, 28 Aug - Sun, 30 Aug

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Air Canada flights from United States to London, Ontario

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

Air Canada

11 Sep

LGA8:45 a.m.New York LaGuardia

6h 05m

1 stop

YXU2:50 p.m.London

19 Sep

YXU5:40 a.m.London

5h 01m

1 stop

LGA10:41 a.m.New York LaGuardia

C$ 866

Air Canada

15 Sep

IAD9:55 a.m.Washington, D.C. Dulles Intl

4h 55m

1 stop

YXU2:50 p.m.London

18 Sep

YXU5:40 a.m.London

9h 20m

2 stops

IAD3:00 p.m.Washington, D.C. Dulles Intl

C$ 874

Air Canada

15 Sep

IAD8:15 a.m.Washington, D.C. Dulles Intl

6h 35m

2 stops

YXU2:50 p.m.London

18 Sep

YXU5:40 a.m.London

9h 20m

2 stops

IAD3:00 p.m.Washington, D.C. Dulles Intl

C$ 881

WestJet flights from United States to London, Ontario

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

WestJet

4 Oct

DEN12:15 p.m.Denver Intl

26h 30m

1 stop

YXU4:45 p.m.London

11 Oct

YXU5:55 p.m.London

19h 25m

1 stop

DEN11:20 a.m.Denver Intl

C$ 629

WestJet

4 Oct

ORD5:30 p.m.Chicago O'Hare Intl

10h 50m

1 stop

YXU5:20 a.m.London

11 Oct

YXU6:10 a.m.London

11h 30m

1 stop

ORD4:40 p.m.Chicago O'Hare Intl

C$ 687

WestJet

4 Oct

ORD5:30 p.m.Chicago O'Hare Intl

10h 50m

1 stop

YXU5:20 a.m.London

11 Oct

YXU5:55 p.m.London

23h 45m

1 stop

ORD4:40 p.m.Chicago O'Hare Intl

C$ 860

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

DenverLondon

DEN Denver Intl - YXU London

DENYXU

Denver Intl

Sun 4/10

12:15 p.m.-4:45 p.m.

1 stop26h 30m

London

Sun 11/10

5:55 p.m.-11:20 a.m.

1 stop19h 25m

C$ 629

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Sun 4/10

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

1 stop10h 50m

London

Sun 11/10

6:10 a.m.-4:40 p.m.

1 stop11h 30m

C$ 687

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Sun 4/10

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

1 stop10h 50m

London

Sun 11/10

5:55 p.m.-12:24 a.m.

2 stops31h 29m

C$ 740

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Tue 6/10

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

1 stop10h 50m

London

Tue 13/10

6:10 a.m.-6:34 a.m.

2 stops25h 24m

C$ 743

DenverLondon

DEN Denver Intl - YXU London

DENYXU

Denver Intl

Sat 3/10

7:00 a.m.-5:20 a.m.

2 stops20h 20m

London

Sat 10/10

6:10 a.m.-11:20 a.m.

1 stop31h 10m

C$ 747

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Mon 5/10

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

1 stop10h 50m

London

Mon 12/10

5:55 p.m.-6:34 a.m.

2 stops37h 39m

C$ 749

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Sun 4/10

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

1 stop10h 50m

London

Sun 11/10

5:55 p.m.-12:24 a.m.

2 stops31h 29m

C$ 798

New YorkLondon

LGA New York LaGuardia - YXU London

LGAYXU

New York LaGuardia

Fri 11/9

10:00 a.m.-5:20 a.m.

3 stops19h 20m

London

Sat 19/9

6:10 a.m.-10:36 p.m.

2 stops16h 26m

C$ 820

Quickest round-trip

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Mon 5/10

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

1 stop10h 50m

London

Mon 12/10

10:05 a.m.-2:55 p.m.

1 stop5h 50m

C$ 835

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Tue 6/10

8:45 a.m.-5:20 a.m.

2 stops19h 35m

London

Tue 13/10

5:40 a.m.-2:52 p.m.

2 stops10h 12m

C$ 840

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

Prices

Airlines

Other information

Can stopping save me money on United States to London, Ontario flights?

You could potentially save up to 16% on your flight if you consider stops on a United States to London, Ontario flight.

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$ 321
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$ 321. The best round-trip flight deal from United States to London, Ontario found on momondo in the last 72 hours is C$ 629.

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.

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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.