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Cheap flights from London, ON to the United States from C$ 147

YXU — LAX
29 Nov — 6 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

Sun 13/1210:15 a.m. -
Nonstop3h 10m
Fri 18/1210:40 a.m. -
Nonstop3h 05m
Deal found 28/10C$ 204
Sun 22/1110:15 a.m. -
Nonstop3h 10m
Sun 29/112:40 p.m. -
Nonstop3h 05m
Deal found 27/10C$ 221
Sun 22/1110:15 a.m. -
Nonstop3h 10m
Mon 30/112:40 p.m. -
Nonstop3h 05m
Deal found 27/10C$ 227
Sun 6/1210:15 a.m. -
Nonstop3h 10m
Fri 11/121:55 p.m. -
Nonstop3h 05m
Deal found 26/10C$ 256
Thu 10/1210:00 a.m. -
Nonstop2h 55m
Sat 19/1211:15 a.m. -
Nonstop2h 50m
Deal found 29/10C$ 301
Thu 17/128:20 a.m. -
Nonstop2h 55m
Tue 22/1211:15 a.m. -
Nonstop2h 50m
Deal found 29/10C$ 309
Sat 12/1210:00 a.m. -
Nonstop2h 55m
Sat 19/1211:15 a.m. -
Nonstop2h 50m
Deal found 26/10C$ 312
Sat 21/1110:00 a.m. -
Nonstop2h 55m
Sat 28/112:10 p.m. -
Nonstop2h 50m
Deal found 29/10C$ 313
Mon 21/126:15 a.m. -
Nonstop3h 10m
Fri 25/1210:40 a.m. -
Nonstop3h 05m
Deal found 28/10C$ 316
Fri 20/119:30 a.m. -
Nonstop3h 10m
Mon 23/112:40 p.m. -
Nonstop3h 05m
Deal found 27/10C$ 336
Sat 28/1110:00 a.m. -
Nonstop2h 55m
Sat 5/129:55 p.m. -
2 stops43h 50m
Deal found 29/10C$ 354
Thu 10/1210:00 a.m. -
Nonstop2h 55m
Thu 17/1211:15 a.m. -
Nonstop2h 50m
Deal found 26/10C$ 357

Find flight deals from London to USA

Round-trip from

C$ 204

One-way from

C$ 147

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
  • 13/12-18/12
  • Nonstop
  • 6h 15m total
  • London to USA
Search Deals
11/12-31/12
  • 11/12-31/12
  • 1 total stop
  • 26h 50m total
  • London to USA
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (C$ 375 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

LondonColumbus

YXU London - CMH Columbus

YXUCMH

London

Fri 11/12

9:30 a.m.-12:20 p.m.

1 stop26h 50m

Columbus

Wed 31/12

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

Nonstop0h 00m

C$ 147

LondonFort Lauderdale

YXU London - FLL Fort Lauderdale

YXUFLL

London

Fri 11/12

9:30 a.m.-12:40 p.m.

Nonstop3h 10m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 150

LondonFort Lauderdale

YXU London - FLL Fort Lauderdale

YXUFLL

London

Sun 29/11

10:15 a.m.-1:25 p.m.

Nonstop3h 10m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 150

LondonFort Lauderdale

YXU London - FLL Fort Lauderdale

YXUFLL

London

Fri 18/12

6:15 a.m.-9:25 a.m.

Nonstop3h 10m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 151
Quickest round-trip

LondonOrlando

YXU London - MCO Orlando

YXUMCO

London

Sat 5/12

10:00 a.m.-12:55 p.m.

Nonstop2h 55m

Orlando

Wed 31/12

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

Nonstop0h 00m

C$ 162

LondonAtlanta

YXU London - ATL Atlanta Hartsfield-Jackson

YXUATL

London

Fri 11/12

9:30 a.m.-9:00 a.m.

1 stop23h 30m

Atlanta Hartsfield-Jackson

Wed 31/12

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

Nonstop0h 00m

C$ 179

LondonOrlando

YXU London - MCO Orlando

YXUMCO

London

Thu 10/12

10:00 a.m.-12:55 p.m.

Nonstop2h 55m

Orlando

Wed 31/12

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

Nonstop0h 00m

C$ 197

LondonColumbus

YXU London - CMH Columbus

YXUCMH

London

Sun 13/12

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$ 231

LondonAtlanta

YXU London - ATL Atlanta Hartsfield-Jackson

YXUATL

London

Sun 13/12

10:15 a.m.-8:26 a.m.

2 stops22h 11m

Atlanta Hartsfield-Jackson

Wed 31/12

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

Nonstop0h 00m

C$ 250

LondonMiami

YXU London - MIA Miami

YXUMIA

London

Thu 26/11

10:00 a.m.-8:17 p.m.

2 stops10h 17m

Miami

Wed 31/12

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

Nonstop0h 00m

C$ 271

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

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$ 523). Flying from London, Ontario to USA in August is currently the most expensive (average of C$ 1,017). 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

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Entertainment

6.9

Comfort

8.0

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

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Entertainment

6.9

Comfort

8.0

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
11,833 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Overall

8.0

Crew

8.6

Boarding

8.2

Food

7.6

Entertainment

6.9

Comfort

8.0

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$ 523). Flying from London, Ontario to USA in August is currently the most expensive (average of C$ 1,017). 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

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Top airline flying from London to USA

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 538AverageC$ 815FlexibilityNo 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.

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

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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