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 44% 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.

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.

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$ 292 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.

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

ORD

YXU

10h 50m

1 stop

5:55 p.m. - 4:40 p.m.

YXU

ORD

23h 45m

1 stop

C$ 549WestJet

Fri, 28 Aug - Mon, 31 Aug

5:30 p.m. - 4:45 p.m.

ORD

YXU

22h 15m

1 stop

8:40 p.m. - 4:40 p.m.

YXU

ORD

21h 00m

1 stop

C$ 590WestJet

Fri, 21 Aug - Fri, 28 Aug

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$ 596WestJet

Mon, 24 Aug - Mon, 31 Aug

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

ORD

YXU

10h 50m

1 stop

2:40 p.m. - 4:40 p.m.

YXU

ORD

27h 00m

2 stops

C$ 600WestJet

Fri, 21 Aug - Fri, 28 Aug

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

ORD

YXU

10h 50m

1 stop

6:10 a.m. - 5:37 a.m.

YXU

ORD

24h 27m

2 stops

C$ 627Multiple Airlines

Thu, 6 Aug - Thu, 13 Aug

8:11 p.m. - 5:20 a.m.

ORD

YXU

32h 09m

2 stops

5:55 p.m. - 4:40 p.m.

YXU

ORD

23h 45m

1 stop

C$ 691Multiple Airlines

Mon, 24 Aug - Mon, 31 Aug

6:00 a.m. - 2:52 p.m.

EWR

YXU

8h 52m

2 stops

6:20 p.m. - 10:35 p.m.

YXU

EWR

4h 15m

1 stop

C$ 837Air Canada

Sun, 26 Jul - Tue, 4 Aug

4:30 p.m. - 8:32 p.m.

EWR

YXU

4h 02m

1 stop

5:40 a.m. - 10:05 a.m.

YXU

EWR

4h 25m

1 stop

C$ 852Air Canada

Sat, 25 Jul - Sun, 16 Aug

7:30 a.m. - 5:42 p.m.

TPA

YXU

10h 12m

2 stops

10:05 a.m. - 8:26 p.m.

YXU

TPA

10h 21m

2 stops

C$ 1,084United Airlines

Sat, 22 Aug - Sat, 29 Aug

9:00 a.m. - 9:40 p.m.

TPA

YXU

12h 40m

3 stops

10:05 a.m. - 6:18 p.m.

YXU

TPA

8h 13m

2 stops

C$ 1,171United Airlines

Mon, 24 Aug - Mon, 31 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

26 Jul

EWR6:00 a.m.Newark

8h 52m

2 stops

YXU2:52 p.m.London

4 Aug

YXU6:20 p.m.London

4h 15m

1 stop

EWR10:35 p.m.Newark

C$ 837

Air Canada

25 Jul

EWR4:30 p.m.Newark

4h 02m

1 stop

YXU8:32 p.m.London

16 Aug

YXU5:40 a.m.London

4h 25m

1 stop

EWR10:05 a.m.Newark

C$ 852

Air Canada

7 Aug

EWR4:30 p.m.Newark

5h 10m

1 stop

YXU9:40 p.m.London

13 Aug

YXU6:20 p.m.London

4h 15m

1 stop

EWR10:35 p.m.Newark

C$ 855

United Airlines flights from United States to London, Ontario

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

United Airlines

22 Aug

TPA7:30 a.m.Tampa

10h 12m

2 stops

YXU5:42 p.m.London

29 Aug

YXU10:05 a.m.London

10h 21m

2 stops

TPA8:26 p.m.Tampa

C$ 1,084

United Airlines

23 Aug

ORD3:45 p.m.Chicago O'Hare Intl

4h 55m

1 stop

YXU9:40 p.m.London

30 Aug

YXU10:05 a.m.London

4h 17m

1 stop

ORD1:22 p.m.Chicago O'Hare Intl

C$ 1,122

United Airlines

26 Jul

EWR11:00 a.m.Newark

3h 52m

1 stop

YXU2:52 p.m.London

28 Jul

YXU10:05 a.m.London

3h 32m

1 stop

EWR1:37 p.m.Newark

C$ 1,131

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

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 28/8

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

1 stop10h 50m

London

Mon 31/8

5:55 p.m.-4:40 p.m.

1 stop23h 45m

C$ 549

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 21/8

5:30 p.m.-4:45 p.m.

1 stop22h 15m

London

Fri 28/8

8:40 p.m.-4:40 p.m.

1 stop21h 00m

C$ 590

MinneapolisLondon

MSP - YXU

MSPYXU

Minneapolis St Paul

Mon 24/8

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

2 stops13h 25m

London

Mon 31/8

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

1 stop8h 55m

C$ 596

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 21/8

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

1 stop10h 50m

London

Fri 28/8

2:40 p.m.-4:40 p.m.

2 stops27h 00m

C$ 600

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 6/8

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

1 stop10h 50m

London

Thu 13/8

6:10 a.m.-5:37 a.m.

2 stops24h 27m

C$ 627

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 24/8

8:11 p.m.-5:20 a.m.

2 stops32h 09m

London

Mon 31/8

5:55 p.m.-4:40 p.m.

1 stop23h 45m

C$ 691

NewarkLondon

EWR - YXU

EWRYXU

Newark

Sun 26/7

6:00 a.m.-2:52 p.m.

2 stops8h 52m

London

Tue 4/8

6:20 p.m.-10:35 p.m.

1 stop4h 15m

C$ 837

Quickest round-trip

NewarkLondon

EWR - YXU

EWRYXU

Newark

Sat 25/7

4:30 p.m.-8:32 p.m.

1 stop4h 02m

London

Sun 16/8

5:40 a.m.-10:05 a.m.

1 stop4h 25m

C$ 852

TampaLondon

TPA - YXU

TPAYXU

Tampa

Sat 22/8

7:30 a.m.-5:42 p.m.

2 stops10h 12m

London

Sat 29/8

10:05 a.m.-8:26 p.m.

2 stops10h 21m

C$ 1,084

TampaLondon

TPA - YXU

TPAYXU

Tampa

Mon 24/8

9:00 a.m.-9:40 p.m.

3 stops12h 40m

London

Mon 31/8

10:05 a.m.-6:18 p.m.

2 stops8h 13m

C$ 1,171

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 50m
Direct flights	None

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.