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

Departing from London, Ontario to USA will take you 2h 55m. London, Ontario and USA are separated by a distance of 1622 km. This flight may include one or multiple stops.

In terms of precipitation, rainfall in USA ranges from 61.0 - 221.0 mm per month. June is typically the wettest month, when rainfall can reach 221.0 mm. November is typically the driest time to visit USA when rainfall is around 61.0 mm.

If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 16.0 C).

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

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

What is the cheapest time of day to fly from YXU to US?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to USA as you normally would.

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.

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.

C$ 165+ Cheap Flights from London, ON to the United States

Cheap flight deals from London to USA

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from London to USA
Explore the most affordable flight options available from London to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Mon 30/1110:15 a.m. -

Nonstop3h 10m

Fri 11/121:55 p.m. -

Nonstop3h 05m

Deal found 1/9C$ 235

Sun 22/1110:15 a.m. -

Nonstop3h 10m

Fri 27/111:55 p.m. -

Nonstop3h 05m

Deal found 1/9C$ 258

Mon 30/1110:15 a.m. -

Nonstop3h 10m

Fri 4/121:55 p.m. -

Nonstop3h 05m

Deal found 29/8C$ 269

Sun 29/1110:15 a.m. -

Nonstop3h 10m

Fri 4/121:55 p.m. -

Nonstop3h 05m

Deal found 29/8C$ 279

Sun 29/1110:15 a.m. -

Nonstop3h 10m

Fri 11/121:55 p.m. -

Nonstop3h 05m

Deal found 1/9C$ 290

Wed 18/1110:15 a.m. -

Nonstop3h 10m

Fri 27/111:55 p.m. -

Nonstop3h 05m

Deal found 29/8C$ 308

Wed 18/1110:15 a.m. -

Nonstop3h 10m

Mon 23/112:40 p.m. -

Nonstop3h 05m

Deal found 29/8C$ 309

Sat 21/1110:00 a.m. -

Nonstop2h 55m

Thu 26/112:10 p.m. -

Nonstop2h 50m

Deal found 29/8C$ 311

Sun 29/1110:15 a.m. -

Nonstop3h 10m

Sun 13/122:40 p.m. -

Nonstop3h 05m

Deal found 1/9C$ 318

Fri 20/119:30 a.m. -

Nonstop3h 10m

Mon 23/112:40 p.m. -

Nonstop3h 05m

Deal found 29/8C$ 319

Thu 26/1110:00 a.m. -

Nonstop2h 55m

Thu 3/122:10 p.m. -

Nonstop2h 50m

Deal found 29/8C$ 344

Fri 4/129:30 a.m. -

Nonstop3h 10m

Sun 13/122:40 p.m. -

Nonstop3h 05m

Deal found 1/9C$ 347

Best flights from London to USA
Discover carefully curated flight deals from London to USA that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Sat 21/1110:00 a.m. -

Nonstop2h 55m

Thu 26/112:10 p.m. -

Nonstop2h 50m

Deal found 29/8C$ 311

Sat 31/109:15 a.m. -

2 stops11h 54m

Wed 4/114:00 p.m. -

1 stop5h 52m

Deal found 31/8C$ 445

Thu 3/125:30 a.m. -

2 stops11h 30m

Mon 7/128:52 p.m. -

2 stops17h 50m

Deal found 1/9C$ 508

Sat 10/106:10 a.m. -

2 stops32h 10m

Sat 17/1012:10 p.m. -

2 stops14h 10m

Deal found 27/8C$ 580

Sun 18/106:10 a.m. -

2 stops19h 49m

Fri 23/105:30 p.m. -

1 stop10h 50m

Deal found 1/9C$ 712

Sat 20/29:15 a.m. -

2 stops11h 54m

Sat 27/24:00 p.m. -

1 stop5h 47m

Deal found 27/8C$ 482

Thu 3/125:30 a.m. -

2 stops10h 20m

Thu 10/129:00 a.m. -

2 stops12h 47m

Deal found 1/9C$ 508

Wed 6/15:30 a.m. -

1 stop5h 43m

Wed 13/18:00 a.m. -

1 stop6h 42m

Deal found 31/8C$ 508

Fri 16/105:55 p.m. -

1 stop21h 30m

Fri 23/1012:10 p.m. -

2 stops14h 10m

Deal found 31/8C$ 583

Thu 3/125:30 a.m. -

2 stops9h 38m

Sat 12/129:15 a.m. -

2 stops12h 32m

Deal found 1/9C$ 544

Sun 24/16:15 a.m. -

Nonstop3h 10m

Sun 31/110:40 a.m. -

Nonstop3h 05m

Deal found 30/8C$ 609

Mon 25/15:30 a.m. -

1 stop5h 39m

Thu 28/17:25 a.m. -

1 stop7h 17m

Deal found 31/8C$ 533

Thu 14/16:40 a.m. -

2 stops38h 05m

Sun 31/15:00 p.m. -

1 stop9h 35m

Deal found 27/8C$ 587

Wed 2/125:30 a.m. -

2 stops9h 40m

Wed 9/129:00 a.m. -

2 stops12h 47m

Deal found 28/8C$ 565

Sun 24/15:30 a.m. -

1 stop6h 59m

Thu 28/110:05 p.m. -

1 stop10h 32m

Deal found 28/8C$ 538

Mon 26/107:40 a.m. -

1 stop31h 35m

Thu 29/106:00 p.m. -

1 stop9h 35m

Deal found 27/8C$ 601

Sat 19/128:20 a.m. -

Nonstop2h 55m

Sat 2/111:15 a.m. -

Nonstop2h 50m

Deal found 31/8C$ 677

Wed 18/113:25 p.m. -

2 stops8h 34m

Sun 22/117:00 a.m. -

2 stops14h 52m

Deal found 29/8C$ 591

Tue 29/93:30 p.m. -

1 stop5h 19m

Tue 6/1011:50 a.m. -

1 stop5h 53m

Deal found 31/8C$ 565

Fri 20/115:30 a.m. -

2 stops8h 52m

Wed 25/119:00 a.m. -

2 stops12h 52m

Deal found 29/8C$ 591

Thu 15/105:55 p.m. -

2 stops37h 39m

Thu 22/105:30 p.m. -

1 stop10h 50m

Deal found 31/8C$ 919

Thu 14/19:15 a.m. -

1 stop9h 14m

Mon 1/26:10 p.m. -

2 stops11h 27m

Deal found 28/8C$ 586

Tue 17/115:30 a.m. -

2 stops10h 16m

Sun 22/117:00 a.m. -

2 stops14h 52m

Deal found 29/8C$ 591

Thu 1/106:10 a.m. -

3 stops15h 20m

Wed 7/1010:30 a.m. -

2 stops18h 50m

Deal found 30/8C$ 927

Sat 20/29:15 a.m. -

2 stops9h 42m

Sat 27/29:06 a.m. -

3 stops12h 41m

Deal found 27/8C$ 600

Sat 10/105:40 a.m. -

1 stop16h 20m

Sat 17/107:30 a.m. -

1 stop7h 13m

Deal found 27/8C$ 612

Fri 2/106:10 a.m. -

1 stop11h 30m

Tue 6/105:30 p.m. -

1 stop10h 50m

Deal found 29/8C$ 885

Fri 20/119:15 a.m. -

2 stops10h 51m

Mon 23/117:00 a.m. -

2 stops14h 52m

Deal found 29/8C$ 612

Sat 16/13:20 p.m. -

1 stop9h 14m

Sat 30/112:10 a.m. -

2 stops11h 32m

Deal found 27/8C$ 622

Sun 11/105:55 p.m. -

2 stops21h 50m

Sun 18/1012:25 p.m. -

2 stops16h 55m

Deal found 27/8C$ 1,044

Find flight deals from London to USA

Round-trip from	C$ 258
One-way from	C$ 165
Popular in	August
Cheapest in	January
Average price	C$ 733

Porter Airlines
22/11-27/11
Nonstop
6h 15m total
London to USA

Search Deals

Porter Airlines
30/11
Nonstop
3h 10m total
London to USA

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (C$ 220 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 36 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LondonOrlando

YXU London - MCO Orlando

YXUMCO

London

Sat 21/11

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

Nonstop2h 55m

Orlando

Thu 26/11

2:10 p.m.-5:00 p.m.

Nonstop2h 50m

C$ 311

LondonTampa

YXU London - TPA Tampa

YXUTPA

London

Sat 31/10

9:15 a.m.-9:09 p.m.

2 stops11h 54m

Tampa

Wed 4/11

4:00 p.m.-9:52 p.m.

1 stop5h 52m

C$ 445

LondonTampa

YXU London - TPA Tampa

YXUTPA

London

Sat 20/2

9:15 a.m.-9:09 p.m.

2 stops11h 54m

Tampa

Sat 27/2

4:00 p.m.-9:47 p.m.

1 stop5h 47m

C$ 482

LondonFort Lauderdale

YXU London - FLL Fort Lauderdale

YXUFLL

London

Thu 3/12

5:30 a.m.-5:00 p.m.

2 stops11h 30m

Fort Lauderdale

Mon 7/12

8:52 p.m.-2:42 p.m.

2 stops17h 50m

C$ 508

LondonFort Lauderdale

YXU London - FLL Fort Lauderdale

YXUFLL

London

Thu 3/12

5:30 a.m.-3:50 p.m.

2 stops10h 20m

Fort Lauderdale

Thu 10/12

9:00 a.m.-9:47 p.m.

2 stops12h 47m

C$ 508

LondonOrlando

YXU London - MCO Orlando

YXUMCO

London

Wed 6/1

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

1 stop5h 43m

Orlando

Wed 13/1

8:00 a.m.-2:42 p.m.

1 stop6h 42m

C$ 508

LondonMiami

YXU London - MIA Miami

YXUMIA

London

Mon 25/1

5:30 a.m.-11:09 a.m.

1 stop5h 39m

Miami

Thu 28/1

7:25 a.m.-2:42 p.m.

1 stop7h 17m

C$ 533

LondonTampa

YXU London - TPA Tampa

YXUTPA

London

Sun 24/1

5:30 a.m.-12:29 p.m.

1 stop6h 59m

Tampa

Thu 28/1

10:05 p.m.-8:37 a.m.

1 stop10h 32m

C$ 538

LondonFort Lauderdale

YXU London - FLL Fort Lauderdale

YXUFLL

London

Thu 3/12

5:30 a.m.-3:08 p.m.

2 stops9h 38m

Fort Lauderdale

Sat 12/12

9:15 a.m.-9:47 p.m.

2 stops12h 32m

C$ 544

LondonFort Lauderdale

YXU London - FLL Fort Lauderdale

YXUFLL

London

Wed 2/12

5:30 a.m.-3:10 p.m.

2 stops9h 40m

Fort Lauderdale

Wed 9/12

9:00 a.m.-9:47 p.m.

2 stops12h 47m

C$ 565

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

YXU-TPA

YXU-FLL

YXU-LAX

YXU-ORD

YXU-MIA

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 London to the United States

YXU-US0

YXU-TPA

YXU-FLL

YXU-LAX

YXU-ORD

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

Currently, November is the cheapest month in which you can book a flight from London, Ontario to USA (average of C$ 580). Flying from London, Ontario to USA in September is currently the most expensive (average of C$ 1,035). 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 United 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.

United Airlines

7.4

Good

10,151 reviews

Check prices

Reviews

1 / 20

6.0

Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

United Airlines

7.4

Good

10,151 reviews

United Airlines

7.4

Good

10,151 reviews

Check prices

Reviews

1 / 20

6.0

Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Air Canada

7.1

Good

11,566 reviews

United Airlines

7.4

Good

10,151 reviews

Check prices

Reviews

1 / 20

6.0

Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 2h 55m. London, Ontario and USA are separated by a distance of 1622 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 - Los Angeles. You may also consider London - Orlando or London - Fort Lauderdale.
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, November is the cheapest month in which you can book a flight from London, Ontario to USA (average of C$ 580). Flying from London, Ontario to USA in September is currently the most expensive (average of C$ 1,035). 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

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Alternative routes for London to USA

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Top airline flying from London to USA

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 397	AverageC$ 752	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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Cheapflights helps you search for flights from London to USA via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from London to USA 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 London to USA with no change fees?

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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Cheap flights from London, ON to the United States from C$ 165

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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to USA

Cheapest flights from London to USAExplore the most affordable flight options available from London to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Explore the most affordable flight options available from London to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Best flights from London to USADiscover carefully curated flight deals from London to USA that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Discover carefully curated flight deals from London to USA that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Direct flights from London to USAExplore direct flight options from London to USA based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.

Explore direct flight options from London to USA based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.

Last-minute flights from London to USADiscover last-minute flight deals from London to USA. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute flight deals from London to USA. Data last updated 1 September 2026 and is based on user searches.

One-way flights from London to USASearch for one-way flight options from London to USA. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Search for one-way flight options from London to USA. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Find flight deals from London to USA

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated 1 September 2026.

Check out reviews from past customers who have flown with United 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.

Related info for your journey

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

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

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

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

How can I find direct flights from London to USA?

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to USA

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

Complete your trip

Complete your trip to USA by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from London to USA by cabin class

Find flights from London to USA, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and USA flights

Browse other London and USA flight options. Last updated on 1 September 2026.

Popular flight searches

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Consider these flights travelling from London to USA.

Fly to USA regions

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Top airline flying from London to USA

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

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

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

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Cheapest flights from London to USA
Explore the most affordable flight options available from London to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Best flights from London to USA
Discover carefully curated flight deals from London to USA that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Direct flights from London to USA
Explore direct flight options from London to USA based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.

Last-minute flights from London to USA
Discover last-minute flight deals from London to USA. Data last updated 1 September 2026 and is based on user searches.

One-way flights from London to USA
Search for one-way flight options from London to USA. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.