Latest deals
Insights
FAQs
Price Alerts

Cheap flights from the United States to London from C$ 278

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 23/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from the United States to London

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

Enter your travel dates to find the best prices.
WestJet Logo
3:45 p.m. - 6:35 a.m.
MSP
-
YXU
13h 50m
2 stops
WestJet Logo
8:10 p.m. - 1:06 p.m.
YXU
-
MSP
17h 56m
2 stops
C$ 516WestJet
Wed, 4 Mar - Wed, 11 Mar
Air Canada Logo
8:30 a.m. - 9:18 p.m.
SFO
-
YXU
9h 48m
1 stop
Air Canada Logo
5:10 a.m. - 10:45 a.m.
YXU
-
SFO
8h 35m
1 stop
C$ 557Air Canada
Sat, 11 Apr - Wed, 15 Apr
Air Canada Logo
8:30 a.m. - 9:18 p.m.
SFO
-
YXU
9h 48m
1 stop
Air Canada Logo
5:10 a.m. - 3:32 p.m.
YXU
-
SFO
13h 22m
2 stops
C$ 564Air Canada
Sat, 11 Apr - Wed, 15 Apr
Air Canada Logo
7:25 a.m. - 9:18 p.m.
SFO
-
YXU
10h 53m
2 stops
Air Canada Logo
5:10 a.m. - 12:32 p.m.
YXU
-
SFO
10h 22m
2 stops
C$ 571Air Canada
Sat, 11 Apr - Wed, 15 Apr
Air Canada Logo
8:30 a.m. - 9:18 p.m.
SFO
-
YXU
9h 48m
1 stop
Air Canada Logo
6:00 a.m. - 10:50 a.m.
YXU
-
SFO
7h 50m
1 stop
C$ 594Air Canada
Wed, 29 Apr - Sun, 3 May
Air Canada Logo
6:00 p.m. - 8:43 a.m.
SFO
-
YXU
11h 43m
2 stops
Air Canada Logo
6:00 a.m. - 10:50 a.m.
YXU
-
SFO
7h 50m
1 stop
C$ 601Air Canada
Wed, 29 Apr - Sun, 3 May
Air Canada Logo
4:15 p.m. - 8:46 a.m.
SFO
-
YXU
13h 31m
1 stop
Air Canada Logo
5:10 a.m. - 10:54 a.m.
YXU
-
SFO
8h 44m
1 stop
C$ 604Air Canada
Fri, 6 Mar - Fri, 13 Mar
WestJet Logo
5:30 p.m. - 5:12 a.m.
ORD
-
YXU
10h 42m
1 stop
WestJet Logo
8:00 p.m. - 4:43 p.m.
YXU
-
ORD
21h 43m
1 stop
C$ 666WestJet
Mon, 25 May - Thu, 28 May
United Airlines Logo
1:05 p.m. - 5:05 p.m.
LGA
-
YXU
4h 00m
1 stop
United Airlines Logo
5:10 a.m. - 10:43 a.m.
YXU
-
LGA
5h 33m
1 stop
C$ 916United Airlines
Thu, 5 Mar - Thu, 12 Mar
United Airlines Logo
4:50 p.m. - 9:21 p.m.
JFK
-
YXU
4h 31m
1 stop
United Airlines Logo
5:40 p.m. - 10:39 p.m.
YXU
-
JFK
4h 59m
1 stop
C$ 916United Airlines
Thu, 5 Mar - Thu, 12 Mar

WestJet flights from United States to London, Ontario

Our best WestJet deals on United States to London, Ontario flight tickets
WestJet
4 Mar
MSP3:45 p.m.Minneapolis St Paul
13h 50m
2 stops
YXU6:35 a.m.London
11 Mar
YXU8:10 p.m.London
17h 56m
2 stops
MSP1:06 p.m.Minneapolis St Paul
C$ 516
WestJet
25 May
ORD5:30 p.m.Chicago O'Hare Intl
10h 42m
1 stop
YXU5:12 a.m.London
28 May
YXU8:00 p.m.London
21h 43m
1 stop
ORD4:43 p.m.Chicago O'Hare Intl
C$ 666
WestJet
25 May
ORD5:30 p.m.Chicago O'Hare Intl
10h 42m
1 stop
YXU5:12 a.m.London
28 May
YXU8:00 p.m.London
21h 43m
1 stop
ORD4:43 p.m.Chicago O'Hare Intl
C$ 673

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 Apr
SFO8:30 a.m.San Francisco
9h 48m
1 stop
YXU9:18 p.m.London
15 Apr
YXU5:10 a.m.London
8h 35m
1 stop
SFO10:45 a.m.San Francisco
C$ 557
Air Canada
11 Apr
SFO8:30 a.m.San Francisco
9h 48m
1 stop
YXU9:18 p.m.London
15 Apr
YXU5:10 a.m.London
13h 22m
2 stops
SFO3:32 p.m.San Francisco
C$ 564
Air Canada
11 Apr
SFO7:25 a.m.San Francisco
10h 53m
2 stops
YXU9:18 p.m.London
15 Apr
YXU5:10 a.m.London
10h 22m
2 stops
SFO12:32 p.m.San Francisco
C$ 571

momondo Fare Finder

 
Customize your flight search to find flights from United States to London, Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 20 January 2026.
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

MinneapolisLondon

MSP - YXU

MSPYXU

Minneapolis St Paul

Wed 4/3

3:45 p.m.-6:35 a.m.

2 stops13h 50m

London

Wed 11/3

8:10 p.m.-1:06 p.m.

2 stops17h 56m

C$ 516

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Sat 11/4

8:30 a.m.-9:18 p.m.

1 stop9h 48m

London

Wed 15/4

5:10 a.m.-10:45 a.m.

1 stop8h 35m

C$ 557

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Sat 11/4

8:30 a.m.-9:18 p.m.

1 stop9h 48m

London

Wed 15/4

5:10 a.m.-3:32 p.m.

2 stops13h 22m

C$ 564

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Sat 11/4

7:25 a.m.-9:18 p.m.

2 stops10h 53m

London

Wed 15/4

5:10 a.m.-12:32 p.m.

2 stops10h 22m

C$ 571

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Wed 29/4

8:30 a.m.-9:18 p.m.

1 stop9h 48m

London

Sun 3/5

6:00 a.m.-10:50 a.m.

1 stop7h 50m

C$ 594

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Wed 29/4

6:00 p.m.-8:43 a.m.

2 stops11h 43m

London

Sun 3/5

6:00 a.m.-10:50 a.m.

1 stop7h 50m

C$ 601

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Fri 6/3

4:15 p.m.-8:46 a.m.

1 stop13h 31m

London

Fri 13/3

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

1 stop8h 44m

C$ 604

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 25/5

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

1 stop10h 42m

London

Thu 28/5

8:00 p.m.-4:43 p.m.

1 stop21h 43m

C$ 666

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Thu 5/3

1:05 p.m.-5:05 p.m.

1 stop4h 00m

London

Thu 12/3

5:10 a.m.-10:43 a.m.

1 stop5h 33m

C$ 916

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Thu 5/3

4:50 p.m.-9:21 p.m.

1 stop4h 31m

London

Thu 12/3

5:40 p.m.-10:39 p.m.

1 stop4h 59m

C$ 916

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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.

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 02m

Direct flights

None
The fastest flight from United States to London, Ontario takes 4h 02m
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?

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 19/2
Thu 26/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada