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 45m 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.

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 43% of people opting to fly with this airline when travelling to London, Ontario. Keep in mind that there are 10 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

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

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

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$ 171 Cheap Flights from the United States to London in 2025/26

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

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6:00 p.m. - 8:46 a.m.SFO-YXU

11h 46m2 stops

5:10 a.m. - 10:54 a.m.YXU-SFO

8h 44m1 stop

C$ 386Air Canada

Find Deal

Tue, 20 Jan - Thu, 22 Jan

7:30 a.m. - 9:21 p.m.SFO-YXU

10h 51m2 stops

5:10 a.m. - 3:35 p.m.YXU-SFO

13h 25m2 stops

C$ 393Air Canada

Find Deal

Tue, 20 Jan - Thu, 22 Jan

5:30 p.m. - 5:12 a.m.ORD-YXU

10h 42m1 stop

6:00 a.m. - 4:43 p.m.YXU-ORD

11h 43m1 stop

C$ 400WestJet

Find Deal

Sat, 30 May - Thu, 4 Jun

12:05 p.m. - 9:20 p.m.TPA-YXU

9h 15m2 stops

5:10 a.m. - 11:02 a.m.YXU-TPA

5h 52m1 stop

C$ 404Air Canada

Find Deal

Fri, 23 Jan - Tue, 27 Jan

2:30 p.m. - 8:46 a.m.SFO-YXU

15h 16m1 stop

5:10 a.m. - 10:54 a.m.YXU-SFO

8h 44m1 stop

C$ 411Air Canada

Find Deal

Tue, 20 Jan - Thu, 22 Jan

12:35 p.m. - 6:34 a.m.SAN-YXU

14h 59m1 stop

8:10 p.m. - 9:26 a.m.YXU-SAN

40h 16m2 stops

C$ 501Multiple Airlines

Find Deal

Wed, 14 Jan - Wed, 21 Jan

2:20 p.m. - 6:34 a.m.ORD-YXU

15h 14m1 stop

8:10 p.m. - 1:35 p.m.YXU-ORD

18h 25m1 stop

C$ 549WestJet

Find Deal

Mon, 12 Jan - Sun, 18 Jan

8:49 a.m. - 9:21 p.m.SFO-YXU

9h 32m1 stop

5:10 a.m. - 10:54 a.m.YXU-SFO

8h 44m1 stop

C$ 562United Airlines

Find Deal

Wed, 14 Jan - Wed, 21 Jan

12:43 a.m. - 5:05 p.m.SFO-YXU

13h 22m2 stops

5:10 a.m. - 10:54 a.m.YXU-SFO

8h 44m1 stop

C$ 576United Airlines

Find Deal

Mon, 19 Jan - Thu, 22 Jan

4:49 p.m. - 6:34 a.m.ORD-YXU

36h 45m2 stops

8:10 p.m. - 1:35 p.m.YXU-ORD

18h 25m1 stop

C$ 596Multiple Airlines

Find Deal

Mon, 12 Jan - Sun, 18 Jan

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 Jan

SFO6:00 p.m.San Francisco

11h 46m

2 stops

YXU8:46 a.m.London

22 Jan

YXU5:10 a.m.London

8h 44m

1 stop

SFO10:54 a.m.San Francisco

C$ 386

Find similar

Air Canada

20 Jan

SFO7:30 a.m.San Francisco

10h 51m

2 stops

YXU9:21 p.m.London

22 Jan

YXU5:10 a.m.London

13h 25m

2 stops

SFO3:35 p.m.San Francisco

C$ 393

Find similar

Air Canada

23 Jan

TPA12:05 p.m.Tampa

9h 15m

2 stops

YXU9:20 p.m.London

27 Jan

YXU5:10 a.m.London

5h 52m

1 stop

TPA11:02 a.m.Tampa

C$ 404

Find similar

WestJet flights from United States to London, Ontario

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

WestJet

30 May

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

10h 42m

1 stop

YXU5:12 a.m.London

4 Jun

YXU6:00 a.m.London

11h 43m

1 stop

ORD4:43 p.m.Chicago O'Hare Intl

C$ 400

Find similar

WestJet

12 Jan

ORD2:20 p.m.Chicago O'Hare Intl

15h 14m

1 stop

YXU6:34 a.m.London

18 Jan

YXU8:10 p.m.London

18h 25m

1 stop

ORD1:35 p.m.Chicago O'Hare Intl

C$ 549

Find similar

WestJet

14 May

JFK5:30 p.m.New York John F Kennedy Intl

11h 42m

1 stop

YXU5:12 a.m.London

17 May

YXU6:00 a.m.London

10h 30m

1 stop

JFK4:30 p.m.New York John F Kennedy Intl

C$ 1,457

Find similar

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

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Tue 20/1

6:00 p.m.-8:46 a.m.

2 stops11h 46m

London

Thu 22/1

5:10 a.m.-10:54 a.m.

1 stop8h 44m

C$ 386

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Tue 20/1

7:30 a.m.-9:21 p.m.

2 stops10h 51m

London

Thu 22/1

5:10 a.m.-3:35 p.m.

2 stops13h 25m

C$ 393

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 30/5

5:30 p.m.-5:12 a.m.

1 stop10h 42m

London

Thu 4/6

6:00 a.m.-4:43 p.m.

1 stop11h 43m

C$ 400

TampaLondon

TPA - YXU

TPAYXU

Tampa

Fri 23/1

12:05 p.m.-9:20 p.m.

2 stops9h 15m

London

Tue 27/1

5:10 a.m.-11:02 a.m.

1 stop5h 52m

C$ 404

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Tue 20/1

2:30 p.m.-8:46 a.m.

1 stop15h 16m

London

Thu 22/1

5:10 a.m.-10:54 a.m.

1 stop8h 44m

C$ 411

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Wed 14/1

12:35 p.m.-6:34 a.m.

1 stop14h 59m

London

Wed 21/1

8:10 p.m.-9:26 a.m.

2 stops40h 16m

C$ 501

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 12/1

2:20 p.m.-6:34 a.m.

1 stop15h 14m

London

Sun 18/1

8:10 p.m.-1:35 p.m.

1 stop18h 25m

C$ 549

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Wed 14/1

8:49 a.m.-9:21 p.m.

1 stop9h 32m

London

Wed 21/1

5:10 a.m.-10:54 a.m.

1 stop8h 44m

C$ 562

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Mon 19/1

12:43 a.m.-5:05 p.m.

2 stops13h 22m

London

Thu 22/1

5:10 a.m.-10:54 a.m.

1 stop8h 44m

C$ 576

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 12/1

4:49 p.m.-6:34 a.m.

2 stops36h 45m

London

Sun 18/1

8:10 p.m.-1:35 p.m.

1 stop18h 25m

C$ 596

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

What is the cheapest United States to London flight route?

Fly from Orlando to London for the best United States - London flight prices

What cabin class options are available on United States to London flights?

There is only 1 cabin class available to choose from on United States to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 7% 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	4h 30m
Direct flights	None

The fastest flight from United States to London, Ontario takes 4h 30m

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

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.

An easier way to manage your London, Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from the United States to London from C$ 171

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to London departing on 14/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from the United States to London

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

Recent one-way flight deals from the United States to London

Recent last minute flight deals from the United States to London

Air Canada flights from United States to London, Ontario

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

WestJet flights from United States to London, Ontario

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

momondo Fare Finder

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

See travel insights to London from

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

What is the cheapest United States to London flight route?

Fly from Orlando to London for the best United States - London flight prices

What cabin class options are available on United States to London flights?

There is only 1 cabin class available to choose from on United States to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 7% on your flight if you consider stops on a United States to London, Ontario flight.

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

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

Which airlines fly to London, Ontario?

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

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

Direct flights

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

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

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

What is the most popular plane model from United States to London, Ontario?

Travelling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London, Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Canada

Airports servicing Ontario