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$124+ 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 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YXU
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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Cheap flight deals from USA to London

Keep the following information in mind while searching for USA to London flight deals. Data was last updated February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$276
(United)

One-way from

$124
(Air Canada)

Popular in

February

Cheapest in

June

Average price

$730

Good one-way deal

$40 or less
Provider with most accurate pricing for New York (NYC)-London flight deals.
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From USA to London
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One-way flight from USA to London
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Highest demand for flights based on searches. 12% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a one-way flight from USA to London.
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Find 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 February 22, 2025.

This United deal was found by Cheapflights users on 2/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/217:10 amTPA - YXU
2 stops14h 18mMultiple Airlines
Mon 5/266:15 amYXU - TPA
1 stop4h 55mMultiple Airlines
Deal found 2/20$276
This Air Canada deal was found by Cheapflights users on 2/21. 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 2/259:15 amTPA - YXU
2 stops11h 05mAir Canada
Mon 3/35:15 amYXU - TPA
1 stop5h 01mAir Canada
Deal found 2/21$288
This Justfly.com deal was found by Cheapflights users on 2/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/77:00 amLAX - YXU
1 stop9h 13mWestJet
Sun 5/186:00 amYXU - LAX
1 stop11h 12mWestJet
Deal found 2/21$290
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/207:20 amTPA - YXU
2 stops14h 08mUnited Airlines
Mon 5/266:15 amYXU - TPA
2 stops8h 47mUnited Airlines
Deal found 2/20$291
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Wed 3/196:00 amSFO - YXU
2 stops11h 20mAir Canada
Mon 3/313:20 pmYXU - SFO
1 stop9h 17mAir Canada
Deal found 2/20$295
This Air Canada deal was found by Cheapflights users on 2/21. 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.
Mon 4/710:45 pmLAX - YXU
1 stop7h 28mAir Canada
Mon 4/149:55 amYXU - LAX
1 stop8h 49mAir Canada
Deal found 2/21$330
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/198:53 amSFO - YXU
1 stop8h 27mUnited Airlines
Tue 4/13:25 pmYXU - SFO
1 stop9h 24mUnited Airlines
Deal found 2/20$330
This Mytrip deal was found by Cheapflights users on 2/21. 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 4/711:04 amORD - YXU
3 stops32h 15mMultiple Airlines
Mon 4/1412:20 pmYXU - ORD
1 stop20h 44mMultiple Airlines
Deal found 2/21$341
This United Airlines deal was found by Cheapflights users on 2/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/612:45 amLAX - YXU
2 stops16h 35mUnited Airlines
Sun 5/186:15 amYXU - LAX
1 stop7h 26mUnited Airlines
Deal found 2/21$345
This Mytrip deal was found by Cheapflights users on 2/21. 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 4/710:00 amEWR - YXU
3 stops33h 13mMultiple Airlines
Mon 4/1412:20 pmYXU - EWR
2 stops28h 39mMultiple Airlines
Deal found 2/21$356
This Mytrip deal was found by Cheapflights users on 2/21. 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 4/712:10 pmLAX - YXU
2 stops28h 03mMultiple Airlines
Mon 4/1412:20 pmYXU - LAX
3 stops37h 25mMultiple Airlines
Deal found 2/21$375
This Justfly.com deal was found by Cheapflights users on 2/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/177:30 amSFO - YXU
1 stop8h 39mWestJet
Sun 7/208:00 pmYXU - SFO
1 stop19h 05mWestJet
Deal found 2/19$378

Find flights from USA to London within your budget

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 February 22, 2025.

Fly from

USA

Fly to

London

Route

Depart

Return

Price

TampaLondon

TPA - YXU

TPAYXU

Tampa

Wed 5/21

7:10 am-9:28 pm

2 stops14h 18m

London

Mon 5/26

6:15 am-11:10 am

1 stop4h 55m

$276

TampaLondon

TPA - YXU

TPAYXU

Tampa

Wed 5/21

8:50 pm-9:18 am

1 stop12h 28m

London

Mon 5/26

6:15 am-11:10 am

1 stop4h 55m

$289

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Fri 3/7

7:00 am-7:13 pm

1 stop9h 13m

London

Sun 5/18

6:00 am-2:12 pm

1 stop11h 12m

$290

TampaLondon

TPA - YXU

TPAYXU

Tampa

Tue 5/20

7:20 am-9:28 pm

2 stops14h 08m

London

Mon 5/26

6:15 am-3:02 pm

2 stops8h 47m

$291

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Wed 3/19

6:00 am-8:20 pm

2 stops11h 20m

London

Mon 3/31

3:20 pm-9:37 pm

1 stop9h 17m

$295

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Wed 3/19

10:45 pm-9:15 am

1 stop7h 30m

London

Mon 3/31

3:20 pm-9:49 pm

1 stop9h 29m

$330

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Mon 4/7

10:45 pm-9:13 am

1 stop7h 28m

London

Mon 4/14

9:55 am-3:44 pm

1 stop8h 49m

$330

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Mon 4/7

11:04 am-8:19 pm

3 stops32h 15m

London

Mon 4/14

12:20 pm-8:04 am

1 stop20h 44m

$341

Los AngelesLondon

LAX - YXU

LAXYXU

Los Angeles

Thu 3/6

12:45 am-8:20 pm

2 stops16h 35m

London

Sun 5/18

6:15 am-10:41 am

1 stop7h 26m

$345

NewarkLondon

EWR - YXU

EWRYXU

Newark

Mon 4/7

10:00 am-7:13 pm

3 stops33h 13m

London

Mon 4/14

12:20 pm-4:59 pm

2 stops28h 39m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 47 results
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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.

Travel insights for flights from USA to London

Get recent, data-driven insights about flights from USA to London including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from US to YXU?

Find hourly flight availability from USA to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to London, Ontario as you normally would.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London, Ontario ranges from 2.8 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. March is typically the driest time to visit London, Ontario when rainfall is around 2.8 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

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 February 22, 2025.
Read through reviews of airlines operating flights from USA to London, such as Delta, United Airlines and WestJet. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,213 reviews

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,213 reviews
Delta
8.0
Very good
8,213 reviews

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,759 reviews
Delta
8.0
Very good
8,213 reviews

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet
7.2
Good
2,800 reviews
Delta
8.0
Very good
8,213 reviews

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada
7.0
Good
8,756 reviews
Delta
8.0
Very good
8,213 reviews

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from USA to London, Ontario one-way?

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $124. However, be on the lookout for offers from United Airlines and WestJet, as they are both options that can get you from USA to London, Ontario for a low price.

  • 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, Seattle/Tacoma Intl - London and Philadelphia - 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 3 airlines flying from USA to London

Discover the top 3 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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$186Average$421FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$192Average$606FlexibilityNo cancel feeOn-time67%
WestJetCheapest$306Average$533FlexibilityNo cancel feeOn-time60%
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