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Cheap flights from the United States to London, ON from C$ 233

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — YXU
26 feb. — 5 mar.1
1 adult
1 adult, Economy, 0 bags

Cheap 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 27 enero 2026.

lun. 25/55:30 p.m.
ORD
-
YXU
1 stop10h 55m
WestJet
jue. 28/56:15 a.m.
YXU
-
ORD
1 stop11h 25m
WestJet
Deal found 26/1C$ 520
sáb. 23/55:30 p.m.
ORD
-
YXU
1 stop10h 55m
WestJet
mar. 26/55:55 p.m.
YXU
-
ORD
1 stop23h 45m
WestJet
Deal found 26/1C$ 526
mié. 18/28:30 a.m.
MCO
-
YXU
2 stops12h 51m
Air Canada
dom. 22/25:40 p.m.
YXU
-
MCO
1 stop6h 10m
Air Canada
Deal found 26/1C$ 563
vie. 13/310:20 a.m.
MCO
-
YXU
1 stop6h 45m
Air Canada
vie. 20/35:40 p.m.
YXU
-
MCO
1 stop6h 10m
Air Canada
Deal found 26/1C$ 602
lun. 9/32:20 p.m.
ORD
-
YXU
1 stop15h 15m
Multiple Airlines
lun. 16/38:10 p.m.
YXU
-
ORD
2 stops23h 26m
Multiple Airlines
Deal found 25/1C$ 612
sáb. 11/48:30 a.m.
SFO
-
YXU
1 stop9h 48m
Air Canada
mié. 15/49:25 a.m.
YXU
-
SFO
1 stop8h 55m
Air Canada
Deal found 25/1C$ 637
mié. 11/312:10 p.m.
MCO
-
YXU
1 stop4h 55m
Air Canada
mié. 18/35:10 a.m.
YXU
-
MCO
1 stop6h 05m
Air Canada
Deal found 24/1C$ 653
sáb. 2/55:30 p.m.
JFK
-
YXU
1 stop11h 55m
WestJet
vie. 5/62:35 p.m.
YXU
-
JFK
2 stops26h 00m
WestJet
Deal found 27/1C$ 663
dom. 3/511:04 a.m.
JFK
-
YXU
2 stops18h 21m
Multiple Airlines
vie. 5/65:55 p.m.
YXU
-
JFK
1 stop22h 40m
Multiple Airlines
Deal found 27/1C$ 671
sáb. 2/55:30 p.m.
JFK
-
YXU
1 stop11h 55m
WestJet
mar. 2/65:55 p.m.
YXU
-
JFK
1 stop22h 40m
WestJet
Deal found 27/1C$ 678
dom. 3/511:04 a.m.
JFK
-
YXU
2 stops18h 21m
Multiple Airlines
sáb. 6/65:55 p.m.
YXU
-
JFK
1 stop22h 40m
Multiple Airlines
Deal found 27/1C$ 682
sáb. 2/55:30 p.m.
JFK
-
YXU
1 stop11h 55m
WestJet
jue. 4/65:55 p.m.
YXU
-
JFK
1 stop22h 40m
WestJet
Deal found 27/1C$ 689

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 27 enero 2026.

Round-trip from

C$ 520

One-way from

C$ 233
WestJet
  • WestJet
  • 25/5-28/5
  • 2 total stops
  • 22h 20m total
  • USA to London
Search Deals
WestJet
  • WestJet
  • 25/2
  • 1 total stop
  • 13h 00m total
  • USA to London
Search Deals

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 27 enero 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

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

lun. 25/5

5:30 p.m.-5:25 a.m.

1 stop10h 55m

London

jue. 28/5

6:15 a.m.-4:40 p.m.

1 stop11h 25m

C$ 520

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

sáb. 23/5

5:30 p.m.-5:25 a.m.

1 stop10h 55m

London

mar. 26/5

5:55 p.m.-4:40 p.m.

1 stop23h 45m

C$ 526

OrlandoLondon

MCO - YXU

MCOYXU

Orlando

mié. 18/2

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

2 stops12h 51m

London

dom. 22/2

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

1 stop6h 10m

C$ 563

OrlandoLondon

MCO - YXU

MCOYXU

Orlando

vie. 13/3

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

1 stop6h 45m

London

vie. 20/3

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

1 stop6h 10m

C$ 602

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

lun. 9/3

2:20 p.m.-6:35 a.m.

1 stop15h 15m

London

lun. 16/3

8:10 p.m.-6:36 p.m.

2 stops23h 26m

C$ 612

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

sáb. 11/4

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

1 stop9h 48m

London

mié. 15/4

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

2 stops13h 22m

C$ 644

OrlandoLondon

MCO - YXU

MCOYXU

Orlando

mié. 11/3

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

1 stop4h 55m

London

mié. 18/3

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

1 stop6h 05m

C$ 653

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

sáb. 2/5

5:30 p.m.-5:25 a.m.

1 stop11h 55m

London

vie. 5/6

2:35 p.m.-4:35 p.m.

2 stops26h 00m

C$ 663

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

sáb. 2/5

5:30 p.m.-5:25 a.m.

1 stop11h 55m

London

mar. 2/6

5:55 p.m.-4:35 p.m.

1 stop22h 40m

C$ 678

New YorkLondon

JFK - YXU

JFKYXU

New York John F Kennedy Intl

dom. 3/5

11:04 a.m.-5:25 a.m.

2 stops18h 21m

London

mar. 2/6

5:55 p.m.-4:35 p.m.

1 stop22h 40m

C$ 683

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

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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$ 153). 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 WestJet, Air Canada, and United Airlines fly from USA to London, Ontario in about 9h 28m. The time it takes to get you to your destination can typically vary by up to 3h 23m. USA and London, Ontario are separated by a distance of 3508 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 San Francisco - 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$ 153). 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
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Alternative routes for USA to London

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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?

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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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