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 42m on average, while flying from Boston to Toronto Pearson Intl Airport is 1h 53m 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?

Air Canada, WestJet, 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 42% 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$ 343 Cheap Flights from the United States to London in 2026

1 adult

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Find the cheapest flights from the United States to London

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

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7:25 a.m. - 11:43 a.m.

LGA

YXU

4h 18m

1 stop

2:40 p.m. - 8:55 a.m.

YXU

LGA

18h 15m

2 stops

C$ 717Multiple Airlines

Sun, 31 May - Tue, 9 Jun

7:25 a.m. - 11:43 a.m.

LGA

YXU

4h 18m

1 stop

9:30 a.m. - 1:36 p.m.

YXU

LGA

4h 06m

1 stop

C$ 726Air Canada

Sun, 31 May - Tue, 9 Jun

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

DEN

YXU

26h 30m

1 stop

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

YXU

DEN

19h 25m

1 stop

C$ 748WestJet

Fri, 26 Jun - Tue, 30 Jun

2:55 p.m. - 5:20 a.m.

MSP

YXU

13h 25m

2 stops

6:10 a.m. - 2:05 p.m.

YXU

MSP

8h 55m

1 stop

C$ 772WestJet

Tue, 21 Jul - Thu, 23 Jul

12:15 p.m. - 5:20 a.m.

DEN

YXU

15h 05m

1 stop

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

YXU

DEN

19h 25m

1 stop

C$ 780WestJet

Fri, 31 Jul - Sun, 9 Aug

12:15 p.m. - 5:20 a.m.

DEN

YXU

15h 05m

1 stop

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

YXU

DEN

19h 25m

1 stop

C$ 783WestJet

Fri, 31 Jul - Sun, 9 Aug

12:15 p.m. - 5:20 a.m.

DEN

YXU

15h 05m

1 stop

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

YXU

DEN

19h 25m

1 stop

C$ 784WestJet

Fri, 31 Jul - Sun, 9 Aug

8:45 a.m. - 2:55 p.m.

LGA

YXU

6h 10m

1 stop

3:30 p.m. - 8:59 p.m.

YXU

LGA

5h 29m

1 stop

C$ 797Air Canada

Sat, 19 Sep - Sun, 20 Sep

9:50 a.m. - 5:04 p.m.

ORD

YXU

6h 14m

1 stop

5:10 a.m. - 9:10 a.m.

YXU

ORD

5h 00m

1 stop

C$ 809Air Canada

Tue, 21 Apr - Thu, 23 Apr

12:25 p.m. - 5:20 a.m.

EWR

YXU

16h 55m

2 stops

2:40 p.m. - 8:30 a.m.

YXU

EWR

17h 50m

2 stops

C$ 819Multiple Airlines

Sun, 31 May - Tue, 9 Jun

Air Canada flights from United States to London, Ontario

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

Air Canada

31 May

LGA7:25 a.m.New York LaGuardia

4h 18m

1 stop

YXU11:43 a.m.London

9 Jun

YXU9:30 a.m.London

4h 06m

1 stop

LGA1:36 p.m.New York LaGuardia

C$ 726

Air Canada

19 Sep

LGA8:45 a.m.New York LaGuardia

6h 10m

1 stop

YXU2:55 p.m.London

20 Sep

YXU3:30 p.m.London

5h 29m

1 stop

LGA8:59 p.m.New York LaGuardia

C$ 797

Air Canada

21 Apr

ORD9:50 a.m.Chicago O'Hare Intl

6h 14m

1 stop

YXU5:04 p.m.London

23 Apr

YXU5:10 a.m.London

5h 00m

1 stop

ORD9:10 a.m.Chicago O'Hare Intl

C$ 809

United Airlines flights from United States to London, Ontario

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

United Airlines

21 May

EWR6:35 a.m.Newark

5h 08m

1 stop

YXU11:43 a.m.London

28 May

YXU6:10 p.m.London

4h 25m

1 stop

EWR10:35 p.m.Newark

C$ 939

United Airlines

21 May

LGA7:25 a.m.New York LaGuardia

4h 18m

1 stop

YXU11:43 a.m.London

28 May

YXU9:30 a.m.London

4h 06m

1 stop

LGA1:36 p.m.New York LaGuardia

C$ 955

United Airlines

20 May

ORD9:55 a.m.Chicago O'Hare Intl

6h 38m

1 stop

YXU5:33 p.m.London

27 May

YXU5:10 a.m.London

4h 50m

1 stop

ORD9:00 a.m.Chicago O'Hare Intl

C$ 962

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

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Sun 31/5

7:25 a.m.-11:43 a.m.

1 stop4h 18m

London

Tue 9/6

2:40 p.m.-8:55 a.m.

2 stops18h 15m

C$ 717

Quickest round-trip

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Sun 31/5

7:25 a.m.-11:43 a.m.

1 stop4h 18m

London

Tue 9/6

9:30 a.m.-1:36 p.m.

1 stop4h 06m

C$ 726

DenverLondon

DEN - YXU

DENYXU

Denver Intl

Fri 26/6

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

1 stop26h 30m

London

Tue 30/6

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

1 stop19h 25m

C$ 748

MinneapolisLondon

MSP - YXU

MSPYXU

Minneapolis St Paul

Tue 21/7

2:55 p.m.-5:20 a.m.

2 stops13h 25m

London

Thu 23/7

6:10 a.m.-2:05 p.m.

1 stop8h 55m

C$ 772

DenverLondon

DEN - YXU

DENYXU

Denver Intl

Fri 31/7

12:15 p.m.-5:20 a.m.

1 stop15h 05m

London

Sun 9/8

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

1 stop19h 25m

C$ 780

DenverLondon

DEN - YXU

DENYXU

Denver Intl

Fri 31/7

12:15 p.m.-5:20 a.m.

1 stop15h 05m

London

Sun 9/8

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

1 stop19h 25m

C$ 783

DenverLondon

DEN - YXU

DENYXU

Denver Intl

Fri 31/7

12:15 p.m.-5:20 a.m.

1 stop15h 05m

London

Sun 9/8

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

1 stop19h 25m

C$ 784

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Sat 19/9

8:45 a.m.-2:55 p.m.

1 stop6h 10m

London

Sun 20/9

3:30 p.m.-8:59 p.m.

1 stop5h 29m

C$ 797

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Tue 21/4

9:50 a.m.-5:04 p.m.

1 stop6h 14m

London

Thu 23/4

5:10 a.m.-9:10 a.m.

1 stop5h 00m

C$ 809

NewarkLondon

EWR - YXU

EWRYXU

Newark

Sun 31/5

12:25 p.m.-5:20 a.m.

2 stops16h 55m

London

Tue 9/6

2:40 p.m.-8:30 a.m.

2 stops17h 50m

C$ 819

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

Fastest flight time	3h 55m
Direct flights	None

The fastest flight from United States to London, Ontario takes 3h 55m

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

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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.
What is the most popular plane model from United States to London, Ontario?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from United States to London, Ontario is Boeing 737 MAX 8 (80.00% of total bookings). The next most popular plane model is Boeing 737-800 Passenger/BBJ2 (winglets) (20.00%).

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.