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Cheap flights from the United States to London, ON from C$ 209

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YXU
7 Feb — 14 Feb1
1 adult
1 adult, Economy, 0 bags

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 8 January 2026.

Round-trip from

C$ 448

One-way from

C$ 209
WestJet
  • WestJet
  • 25/5-28/5
  • 2 total stops
  • 32h 25m total
  • USA to London
Search Deals
2/2
  • 2/2
  • 2 total stops
  • 32h 05m total
  • USA to London
Search Deals

Find flight deals from USA to London

Enter your travel dates to find the best prices.

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 8 January 2026.

Mon 25/55:30 p.m.ORD - YXU
1 stop10h 42mWestJet
Thu 28/58:00 p.m.YXU - ORD
1 stop21h 43mWestJet
Deal found 7/1C$ 448
Wed 18/210:20 a.m.MCO - YXU
1 stop6h 45mAir Canada
Sun 22/25:40 p.m.YXU - MCO
1 stop6h 10mAir Canada
Deal found 5/1C$ 545
Tue 17/28:30 a.m.MCO - YXU
2 stops12h 51mAir Canada
Wed 18/25:40 p.m.YXU - MCO
1 stop6h 10mAir Canada
Deal found 7/1C$ 590
Thu 22/112:10 p.m.MCO - YXU
1 stop4h 55mAir Canada
Fri 23/15:10 a.m.YXU - MCO
1 stop6h 05mAir Canada
Deal found 7/1C$ 596
Tue 17/28:30 a.m.MCO - YXU
2 stops12h 51mAir Canada
Thu 19/25:40 p.m.YXU - MCO
1 stop6h 10mAir Canada
Deal found 6/1C$ 621
Fri 9/110:20 a.m.MCO - YXU
1 stop6h 45mAir Canada
Mon 19/15:40 p.m.YXU - MCO
1 stop6h 10mAir Canada
Deal found 7/1C$ 630
Thu 29/15:35 p.m.JFK - YXU
1 stop12h 59mMultiple Airlines
Sat 7/25:40 p.m.YXU - JFK
1 stop4h 59mMultiple Airlines
Deal found 6/1C$ 647
Sat 21/24:20 p.m.LGA - YXU
1 stop5h 01mAir Canada
Sat 28/25:40 p.m.YXU - LGA
1 stop4h 53mAir Canada
Deal found 7/1C$ 659
Thu 29/11:05 p.m.LGA - YXU
1 stop4h 00mAir Canada
Sat 7/25:10 a.m.YXU - LGA
1 stop4h 08mAir Canada
Deal found 6/1C$ 661
Thu 29/111:05 a.m.EWR - YXU
1 stop6h 00mAir Canada
Sat 7/25:40 p.m.YXU - EWR
1 stop5h 08mAir Canada
Deal found 6/1C$ 662
Sun 22/210:00 a.m.ORD - YXU
1 stop6h 05mAir Canada
Sun 1/35:10 a.m.YXU - ORD
1 stop5h 03mAir Canada
Deal found 7/1C$ 670
Sat 21/26:55 a.m.EWR - YXU
2 stops10h 10mAir Canada
Sat 28/25:40 p.m.YXU - EWR
1 stop5h 08mAir Canada
Deal found 7/1C$ 670

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 629,999 searches. Data last updated 8 January 2026.
Use the filters below to find and compare flights from the United States to London that are best for you.

Fly from

USA

Fly to

London

Route

Depart

Return

Price

OrlandoLondon

MCO - YXU

MCOYXU

Orlando

Wed 18/2

10:20 a.m.-5:05 p.m.

1 stop6h 45m

London

Sun 22/2

5:40 p.m.-11:50 p.m.

1 stop6h 10m

C$ 545

OrlandoLondon

MCO - YXU

MCOYXU

Orlando

Tue 17/2

8:30 a.m.-9:21 p.m.

2 stops12h 51m

London

Wed 18/2

5:40 p.m.-11:50 p.m.

1 stop6h 10m

C$ 590

OrlandoLondon

MCO - YXU

MCOYXU

Orlando

Thu 22/1

12:10 p.m.-5:05 p.m.

1 stop4h 55m

London

Fri 23/1

5:10 a.m.-11:15 a.m.

1 stop6h 05m

C$ 596

OrlandoLondon

MCO - YXU

MCOYXU

Orlando

Tue 17/2

8:30 a.m.-9:21 p.m.

2 stops12h 51m

London

Thu 19/2

5:40 p.m.-11:50 p.m.

1 stop6h 10m

C$ 621

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

Thu 29/1

5:35 p.m.-6:34 a.m.

1 stop12h 59m

London

Sat 7/2

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

1 stop4h 59m

C$ 647

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Sat 21/2

4:20 p.m.-9:21 p.m.

1 stop5h 01m

London

Sat 28/2

5:40 p.m.-10:33 p.m.

1 stop4h 53m

C$ 659

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Thu 29/1

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

1 stop4h 00m

London

Sat 7/2

5:10 a.m.-9:18 a.m.

1 stop4h 08m

C$ 661

NewarkLondon

EWR - YXU

EWRYXU

Newark

Thu 29/1

11:05 a.m.-5:05 p.m.

1 stop6h 00m

London

Sat 7/2

5:40 p.m.-10:48 p.m.

1 stop5h 08m

C$ 662

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sun 22/2

10:00 a.m.-5:05 p.m.

1 stop6h 05m

London

Sun 1/3

5:10 a.m.-9:13 a.m.

1 stop5h 03m

C$ 670

NewarkLondon

EWR - YXU

EWRYXU

Newark

Sat 21/2

6:55 a.m.-5:05 p.m.

2 stops10h 10m

London

Sat 28/2

5:40 p.m.-10:48 p.m.

1 stop5h 08m

C$ 670

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Showing 1-10 of 60 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.

Cheapflights Insights

Everything you need to know about your flight from the United States to London

What is the cheapest month to book a flight from USA to London, Ontario?

Currently, March is the cheapest month in which you can book a flight from USA to London, Ontario (average of C$ 73). Flying from USA to London, Ontario in August is currently the most expensive (average of C$ 155). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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), located 8.6 km from the city centre, is the airport you fly into when you book flights from United States to London.

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

    Airlines like Air Canada and United Airlines fly from USA to London, Ontario in about 6h 45m. The time it takes to get you to your destination can typically vary by up to 17h 31m. USA and London, Ontario are separated by a distance of 1622 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The most popular route from USA to London, Ontario is Newark - London. You may also consider New York John F Kennedy Intl - London or Orlando - 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.

  • What is the cheapest month to book a flight from USA to London, Ontario?

    Currently, March is the cheapest month in which you can book a flight from USA to London, Ontario (average of C$ 73). Flying from USA to London, Ontario in August is currently the most expensive (average of C$ 155). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Port Stanley
Grand Bend

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Alternative routes for USA to London

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Fly with Cheapflights

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How does Cheapflights help users find flights from USA to London?

Deals for USA to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from USA to London?

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Can Cheapflights find flights from USA to London with no change fees?

Yes, we can. To see specific flights from USA to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from USA to London become cheaper?

Yes, Cheapflights offers price alerts on USA to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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