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$146+ Cheap flights from the United States to London, ON (YXU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YXU
Aug 2 — Aug 91
Sun 8/2
Sun 8/9
1 adult, Economy
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Cheap flight deals from USA to London

Cheapest flights from USA to London
Explore the most affordable flight options available from USA to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.

This WestJet deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:05 pm
SFO
-
YXU
1 stop8h 15m
WestJet
Fri 8/216:10 am
YXU
-
SFO
1 stop8h 50m
WestJet
Deal found 6/30$374
This Air Canada deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:10 am
SFO
-
YXU
2 stops22h 10m
Air Canada
Fri 8/2110:05 am
YXU
-
SFO
2 stops13h 46m
Air Canada
Deal found 6/29$431
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:30 pm
BOS
-
YXU
1 stop10h 50m
Multiple Airlines
Sun 8/302:40 pm
YXU
-
BOS
2 stops18h 25m
Multiple Airlines
Deal found 6/30$512
This oojo deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:30 pm
ORD
-
YXU
1 stop10h 50m
WestJet
Sun 10/186:10 am
YXU
-
ORD
1 stop11h 30m
WestJet
Deal found 6/30$530
This oojo deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:30 pm
BOS
-
YXU
1 stop10h 50m
WestJet
Sun 8/305:55 pm
YXU
-
BOS
1 stop28h 25m
WestJet
Deal found 6/30$544
This Mytrip deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:40 pm
ORD
-
YXU
2 stops16h 10m
Multiple Airlines
Mon 8/33:30 pm
YXU
-
ORD
1 stop5h 22m
Multiple Airlines
Deal found 6/29$558
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 pm
IAD
-
YXU
1 stop10h 20m
Multiple Airlines
Thu 8/208:40 pm
YXU
-
IAD
2 stops20h 34m
Multiple Airlines
Deal found 7/2$560
This Mytrip deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:35 pm
ORD
-
YXU
3 stops34h 45m
Multiple Airlines
Fri 8/2110:05 am
YXU
-
ORD
1 stop4h 52m
Multiple Airlines
Deal found 6/30$584
This Mytrip deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:40 am
ORD
-
YXU
2 stops19h 40m
Multiple Airlines
Sun 8/235:40 am
YXU
-
ORD
1 stop4h 20m
Multiple Airlines
Deal found 7/2$595
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:00 pm
IAD
-
YXU
1 stop10h 20m
Multiple Airlines
Mon 8/175:55 pm
YXU
-
IAD
2 stops28h 57m
Multiple Airlines
Deal found 7/1$597
This Mytrip deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:30 am
LGA
-
YXU
3 stops22h 50m
Multiple Airlines
Thu 8/2710:05 am
YXU
-
LGA
1 stop3h 30m
Multiple Airlines
Deal found 6/28$605
This oojo deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:30 pm
ORD
-
YXU
1 stop10h 50m
WestJet
Fri 8/216:10 am
YXU
-
ORD
1 stop11h 30m
WestJet
Deal found 6/30$610

Find flight deals from USA to London

Keep the following information in mind while searching for USA to London flight deals. Data was last updated July 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$374
(WestJet)

One-way from

$146
(eDestinos)
Provider with most accurate pricing for New York (NYC)-London flight deals.
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One-way flight from USA to London
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Cheapflights Fare Finder

 
Customize your flight search to find flights from USA to London 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, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2026.
Use the filters below to find and compare flights from the United States to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Tue 8/18

6:05 pm-5:20 am

1 stop8h 15m

London

Fri 8/21

6:10 am-12:00 pm

1 stop8h 50m

$374

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Tue 8/18

8:10 am-9:20 am

2 stops22h 10m

London

Fri 8/21

10:05 am-8:51 pm

2 stops13h 46m

$455

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 7/27

8:40 pm-1:50 pm

2 stops16h 10m

London

Mon 8/3

3:30 pm-7:52 pm

1 stop5h 22m

$558

Washington, D.C.London

IAD - YXU

IADYXU

Washington, D.C. Dulles Intl

Mon 8/10

7:00 pm-5:20 am

1 stop10h 20m

London

Mon 8/17

5:55 pm-10:52 pm

2 stops28h 57m

$597

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 8/14

5:30 pm-5:20 am

1 stop10h 50m

London

Fri 8/21

6:10 am-4:40 pm

1 stop11h 30m

$610

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sun 8/16

2:15 pm-9:40 pm

1 stop6h 25m

London

Sun 8/23

5:40 am-9:00 am

1 stop4h 20m

$611

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 7/27

2:15 pm-8:32 pm

1 stop5h 17m

London

Mon 8/3

3:30 pm-7:52 pm

1 stop5h 22m

$612

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 8/14

11:05 am-9:40 pm

2 stops9h 35m

London

Fri 8/21

5:40 am-9:00 am

1 stop4h 20m

$623

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Thu 8/20

11:35 am-5:42 pm

1 stop6h 07m

London

Thu 8/27

6:20 pm-10:35 pm

1 stop4h 15m

$628

OrlandoLondon

MCO - YXU

MCOYXU

Orlando

Wed 10/14

11:50 am-5:45 pm

1 stop5h 55m

London

Wed 10/28

5:30 am-11:13 am

1 stop5h 43m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from USA to London

Have a flexible travel schedule? Discover the best time to fly to London from USA with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United States to London
No data available for this route at this time. Please check back soon.

The best insider tips for theUnited States to London flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to London trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Mark Chesnut

Mark Chesnut

Expert on WestJet

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated July 3, 2026.
Peruse reviews from past customers who have flown with WestJet and Air Canada from the United States to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,393 reviews

Entertainment

6.1

Boarding

7.4

Crew

7.9

Comfort

7.0

Overall

7.2

Food

6.2

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.
WestJet
7.2
Good
3,393 reviews
WestJet
7.2
Good
3,393 reviews

Entertainment

6.1

Boarding

7.4

Crew

7.9

Comfort

7.0

Overall

7.2

Food

6.2

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.
Air Canada
7.1
Good
11,291 reviews
WestJet
7.2
Good
3,393 reviews

Entertainment

6.1

Boarding

7.4

Crew

7.9

Comfort

7.0

Overall

7.2

Food

6.2

Reviews

1 / 20
10.0
Excellent

Janice,Mar 2026

TQO - YYZ

I had a very happy experience with fast boarding, an early flight and landing, and a quick baggage claim.

Related info for your journey

Find useful and relevant information for your journey from USA to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to London from United States?

    London (YXU) is the airport you will fly into if you book a flight from United States to London. It is only a 5.3 mi journey from London (YXU) to London’s city center.

  • How long is the flight from USA to London, Ontario?

    There are many flights that can get you from USA to London, Ontario in 8h 15m. Fly via WestJet or Air Canada to get the fastest option. The distance between USA and London, Ontario is about 2180 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from USA to London, Ontario?

    The most popular flight routes from USA to London, Ontario are San Francisco - London, Dallas/Fort Worth - London and Newark - London.

  • Can I find deals for flights from USA to London that include hotel bookings?

    Yes. In addition to deals on USA to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to London.

  • Can I find deals for business class flights from USA to London?

    Yes. Cheapflights offers flight deals from USA to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 2 airlines flying from USA to London

Discover the top 2 airlines that operate flights from USA to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$162Average$721FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$210Average$603FlexibilityNo cancel feeOn-time67%

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