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Cheap flights from the United States to London, ON from C$ 196

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YXU
14 Feb — 21 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 15 January 2026.

Round-trip from

C$ 470

One-way from

C$ 196
Air Canada
  • Air Canada
  • 28/2-7/3
  • 2 total stops
  • 15h 23m total
  • USA to London
Search Deals
10/2
  • 10/2
  • 2 total stops
  • 24h 20m 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 15 January 2026.

Sat 28/210:25 p.m.
TPA
-
YXU
1 stop10h 21m
Air Canada
Sat 7/35:40 p.m.
YXU
-
TPA
1 stop5h 02m
Air Canada
Deal found 14/1C$ 470
Mon 25/55:30 p.m.
ORD
-
YXU
1 stop10h 42m
WestJet
Thu 28/58:00 p.m.
YXU
-
ORD
1 stop21h 43m
WestJet
Deal found 13/1C$ 491
Wed 25/26:30 a.m.
TPA
-
YXU
1 stop14h 51m
Air Canada
Sun 1/35:40 p.m.
YXU
-
TPA
1 stop5h 02m
Air Canada
Deal found 13/1C$ 493
Sat 14/310:25 p.m.
TPA
-
YXU
1 stop10h 21m
Air Canada
Fri 20/39:25 a.m.
YXU
-
TPA
2 stops11h 57m
Air Canada
Deal found 13/1C$ 506
Tue 10/24:15 p.m.
TPA
-
YXU
1 stop5h 06m
Air Canada
Tue 17/29:25 a.m.
YXU
-
TPA
1 stop5h 47m
Air Canada
Deal found 13/1C$ 521
Thu 9/712:00 p.m.
TPA
-
YXU
2 stops9h 40m
Air Canada
Sun 12/79:30 a.m.
YXU
-
TPA
1 stop6h 32m
Air Canada
Deal found 14/1C$ 559
Sat 28/210:00 a.m.
ORD
-
YXU
1 stop6h 05m
Air Canada
Sat 7/35:10 a.m.
YXU
-
ORD
1 stop5h 03m
Air Canada
Deal found 14/1C$ 652
Fri 27/21:05 p.m.
LGA
-
YXU
1 stop4h 00m
Air Canada
Fri 6/35:10 a.m.
YXU
-
LGA
1 stop4h 08m
Air Canada
Deal found 13/1C$ 663
Sat 28/24:20 p.m.
LGA
-
YXU
1 stop5h 01m
Air Canada
Sat 7/39:25 a.m.
YXU
-
LGA
1 stop5h 03m
Air Canada
Deal found 14/1C$ 670
Sat 28/29:10 a.m.
EWR
-
YXU
2 stops23h 36m
Multiple Airlines
Sat 7/35:10 a.m.
YXU
-
EWR
1 stop5h 15m
Multiple Airlines
Deal found 14/1C$ 705
Sat 28/26:55 p.m.
EWR
-
YXU
1 stop13h 51m
Air Canada
Sat 7/35:10 a.m.
YXU
-
EWR
1 stop5h 15m
Air Canada
Deal found 14/1C$ 710
Thu 5/39:40 a.m.
DCA
-
YXU
1 stop7h 25m
Air Canada
Sat 7/35:40 p.m.
YXU
-
DCA
1 stop4h 55m
Air Canada
Deal found 13/1C$ 712

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 15 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

TampaLondon

TPA - YXU

TPAYXU

Tampa

Sat 28/2

10:25 p.m.-8:46 a.m.

1 stop10h 21m

London

Sat 7/3

5:40 p.m.-10:42 p.m.

1 stop5h 02m

C$ 470

TampaLondon

TPA - YXU

TPAYXU

Tampa

Wed 25/2

6:30 a.m.-9:21 p.m.

1 stop14h 51m

London

Sun 1/3

5:40 p.m.-10:42 p.m.

1 stop5h 02m

C$ 493

TampaLondon

TPA - YXU

TPAYXU

Tampa

Sat 14/3

10:25 p.m.-8:46 a.m.

1 stop10h 21m

London

Fri 20/3

9:25 a.m.-9:22 p.m.

2 stops11h 57m

C$ 506

TampaLondon

TPA - YXU

TPAYXU

Tampa

Tue 10/2

4:15 p.m.-9:21 p.m.

1 stop5h 06m

London

Tue 17/2

9:25 a.m.-3:12 p.m.

1 stop5h 47m

C$ 521

TampaLondon

TPA - YXU

TPAYXU

Tampa

Fri 27/2

10:25 p.m.-8:46 a.m.

1 stop10h 21m

London

Fri 6/3

5:40 p.m.-10:42 p.m.

1 stop5h 02m

C$ 546

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 28/2

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

1 stop6h 05m

London

Sat 7/3

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

1 stop5h 03m

C$ 652

New YorkLondon

LGA - YXU

LGAYXU

New York LaGuardia

Fri 27/2

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

1 stop4h 00m

London

Fri 6/3

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

1 stop4h 08m

C$ 663

NewarkLondon

EWR - YXU

EWRYXU

Newark

Sat 28/2

9:10 a.m.-8:46 a.m.

2 stops23h 36m

London

Sat 7/3

5:10 a.m.-10:25 a.m.

1 stop5h 15m

C$ 705

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 5/3

9:40 a.m.-5:05 p.m.

1 stop7h 25m

London

Sat 7/3

5:40 p.m.-10:35 p.m.

1 stop4h 55m

C$ 712

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sun 1/3

12:56 p.m.-6:35 a.m.

2 stops16h 39m

London

Sun 8/3

8:10 p.m.-1:35 p.m.

1 stop18h 25m

C$ 732

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/1

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$ 74). Flying from USA to London, Ontario in August is currently the most expensive (average of C$ 156). 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, WestJet, and United Airlines fly from USA to London, Ontario in about 10h 21m. The time it takes to get you to your destination can typically vary by up to 13h 55m. USA and London, Ontario are separated by a distance of 1677 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 LaGuardia - London or Chicago O'Hare Intl - 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$ 74). Flying from USA to London, Ontario in August is currently the most expensive (average of C$ 156). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

Cheapflights simply makes it quick and affordable to book flights from USA to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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