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Cheap flights from London, ON to the United States from C$ 116

YXU — LAX
24 Nov — 1 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to USA

Enter your travel dates to find the best prices.

Cheapest flights from London to USA

Mon 23/1110:15 a.m. -
Nonstop3h 10m
Mon 30/112:40 p.m. -
Nonstop3h 05m
Deal found 21/10C$ 186
Mon 30/1110:15 a.m. -
Nonstop3h 10m
Mon 7/122:40 p.m. -
Nonstop3h 05m
Deal found 25/10C$ 211
Thu 26/1110:00 a.m. -
Nonstop2h 55m
Thu 3/122:10 p.m. -
Nonstop2h 50m
Deal found 24/10C$ 249
Fri 20/119:30 a.m. -
Nonstop3h 10m
Mon 23/112:40 p.m. -
Nonstop3h 05m
Deal found 21/10C$ 273
Sat 21/1110:00 a.m. -
Nonstop2h 55m
Sat 28/112:10 p.m. -
Nonstop2h 50m
Deal found 21/10C$ 286
Mon 23/119:05 p.m. -
2 stops20h 37m
Mon 30/112:40 p.m. -
Nonstop3h 05m
Deal found 21/10C$ 353
Sat 5/1210:00 a.m. -
1 stop8h 04m
Sat 12/1210:59 p.m. -
2 stops42h 46m
Deal found 21/10C$ 386
Thu 19/1110:00 a.m. -
Nonstop2h 55m
Thu 26/112:10 p.m. -
Nonstop2h 50m
Deal found 22/10C$ 391
Thu 26/1110:00 a.m. -
Nonstop2h 55m
Thu 3/129:28 a.m. -
2 stops31h 32m
Deal found 23/10C$ 409
Thu 19/1110:00 a.m. -
Nonstop2h 55m
Thu 26/114:44 p.m. -
2 stops24h 16m
Deal found 24/10C$ 415
Tue 8/125:30 a.m. -
1 stop6h 03m
Tue 15/129:30 p.m. -
1 stop11h 07m
Deal found 23/10C$ 417
Mon 23/1110:15 a.m. -
Nonstop3h 10m
Thu 3/126:30 a.m. -
2 stops10h 30m
Deal found 23/10C$ 419

Find flight deals from London to USA

Round-trip from

C$ 186

One-way from

C$ 118

Popular in

August

Cheapest in

January

Good round-trip deal

C$ 230 or less

Good one-way deal

C$ 126 or less
Porter Airlines
  • Porter Airlines
  • 23/11-30/11
  • Nonstop
  • 6h 15m total
  • London to USA
Search Deals
Porter Airlines
  • Porter Airlines
  • 23/11-31/12
  • Nonstop
  • 3h 10m total
  • London to USA
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (C$ 377 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 48 potential savings vs. average RT price).
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Price to beat on a round-trip flight from London to USA.
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Price to beat on a one-way flight from London to USA.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonAtlanta

YXU London - ATL Atlanta Hartsfield-Jackson

YXUATL

London

Sat 5/12

10:00 a.m.-6:04 p.m.

1 stop8h 04m

Atlanta Hartsfield-Jackson

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 185

LondonOrlando

YXU London - MCO Orlando

YXUMCO

London

Mon 7/12

5:30 a.m.-11:18 a.m.

1 stop5h 48m

Orlando

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 262

LondonColumbus

YXU London - CMH Columbus

YXUCMH

London

Sun 6/12

10:15 a.m.-12:20 p.m.

1 stop26h 05m

Columbus

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 270

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Sat 5/12

3:20 p.m.-9:30 p.m.

1 stop9h 10m

San Francisco

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 270

LondonOrlando

YXU London - MCO Orlando

YXUMCO

London

Mon 1/2

6:15 a.m.-11:48 a.m.

2 stops29h 33m

Orlando

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 273

LondonOrlando

YXU London - MCO Orlando

YXUMCO

London

Thu 28/1

5:30 a.m.-11:13 a.m.

1 stop5h 43m

Orlando

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 283

LondonMiami

YXU London - MIA Miami

YXUMIA

London

Sat 5/12

10:00 a.m.-12:42 p.m.

2 stops26h 42m

Miami

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 287

LondonOrlando

YXU London - MCO Orlando

YXUMCO

London

Thu 10/12

9:15 a.m.-7:36 p.m.

2 stops10h 21m

Orlando

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 288

LondonLos Angeles

YXU London - LAX Los Angeles

YXULAX

London

Fri 4/12

5:30 a.m.-10:34 a.m.

1 stop8h 04m

Los Angeles

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 290

LondonSan Diego

YXU London - SAN San Diego

YXUSAN

London

Sat 5/12

10:00 a.m.-11:58 p.m.

2 stops16h 58m

San Diego

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 298

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/10

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to USA

Have a flexible travel schedule? Discover the best time to fly to USA from London with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

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

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

Currently, December is the cheapest month in which you can book a flight from London, Ontario to USA (average of C$ 524). Flying from London, Ontario to USA in August is currently the most expensive (average of C$ 1,018). 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.

Reviews of airlines servicing USA

Check out reviews from past customers who have flown with Porter Airlines and Air Canada from London to the United States 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.
Porter Airlines
8.0
Very good
467 reviews
Check prices

Food

7.6

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Porter Airlines
8.0
Very good
467 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Food

7.6

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Air Canada
7.1
Good
11,811 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Food

7.6

Comfort

8.0

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

Related info for your journey

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

    Located just 8.6 km from the city centre, London (YXU) is the airport most travellers will use when flying to United States from London.

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

    Departing from London, Ontario to USA will take you 3h 10m. London, Ontario and USA are separated by a distance of 1886 km. This flight may include one or multiple stops.

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

    The most popular route from London, Ontario to USA is London - Orlando. You may also consider London - Fort Lauderdale or London - Newark.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to USA 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 London, Ontario to USA?

    Currently, December is the cheapest month in which you can book a flight from London, Ontario to USA (average of C$ 524). Flying from London, Ontario to USA in August is currently the most expensive (average of C$ 1,018). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to USA

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Top airline flying from London to USA

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 531AverageC$ 768FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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

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Users can book flights with no change fees policies with our dedicated filters. Book flights from London to USA flexibly with Cheapflights today.

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Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to USA from London today and book when prices fit your budget.

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