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.

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 - Orlando. You may also consider London - Fort Lauderdale or London - Seattle/Tacoma Intl.

What are the most popular airlines that fly from London, Ontario to USA?

Air Canada, United Airlines and Porter Airlines are the most popular airlines when flying from London, Ontario to USA.

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$ 115+ 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 10 October 2026.

Fri 20/119:30 a.m. -

Nonstop3h 10m

Fri 27/111:55 p.m. -

Nonstop3h 05m

Deal found 6/10C$ 164

Sun 29/1110:15 a.m. -

Nonstop3h 10m

Sun 13/122:40 p.m. -

Nonstop3h 05m

Deal found 10/10C$ 177

Fri 20/119:30 a.m. -

Nonstop3h 10m

Sun 29/112:40 p.m. -

Nonstop3h 05m

Deal found 7/10C$ 178

Mon 23/1110:15 a.m. -

Nonstop3h 10m

Mon 30/112:40 p.m. -

Nonstop3h 05m

Deal found 8/10C$ 182

Sun 6/1210:15 a.m. -

Nonstop3h 10m

Fri 11/121:55 p.m. -

Nonstop3h 05m

Deal found 8/10C$ 188

Sun 22/1110:15 a.m. -

Nonstop3h 10m

Sun 29/112:40 p.m. -

Nonstop3h 05m

Deal found 5/10C$ 222

Thu 19/1110:00 a.m. -

Nonstop2h 55m

Thu 26/112:10 p.m. -

Nonstop2h 50m

Deal found 8/10C$ 282

Thu 26/1110:00 a.m. -

Nonstop2h 55m

Sat 28/112:10 p.m. -

Nonstop2h 50m

Deal found 9/10C$ 292

Sat 21/1110:00 a.m. -

Nonstop2h 55m

Sat 28/112:10 p.m. -

Nonstop2h 50m

Deal found 8/10C$ 293

Fri 20/119:30 a.m. -

Nonstop3h 10m

Fri 27/116:42 a.m. -

2 stops34h 18m

Deal found 6/10C$ 390

Mon 21/126:15 a.m. -

Nonstop3h 10m

Fri 25/1210:40 a.m. -

Nonstop3h 05m

Deal found 5/10C$ 399

Wed 18/1110:15 a.m. -

2 stops11h 23m

Thu 26/112:10 p.m. -

Nonstop2h 50m

Deal found 8/10C$ 434

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 10 October 2026.

Mon 23/1110:15 a.m. -

Nonstop3h 10m

Mon 30/112:40 p.m. -

Nonstop3h 05m

Deal found 5/10C$ 182

Thu 19/1110:00 a.m. -

Nonstop2h 55m

Thu 26/114:44 p.m. -

2 stops24h 16m

Deal found 6/10C$ 459

Sun 29/1110:15 a.m. -

Nonstop3h 10m

Fri 11/121:55 p.m. -

Nonstop3h 05m

Deal found 9/10C$ 241

Fri 4/125:30 a.m. -

1 stop10h 40m

Thu 10/124:40 p.m. -

1 stop12h 57m

Deal found 7/10C$ 526

Sun 22/1110:15 a.m. -

Nonstop3h 10m

Sun 29/112:40 p.m. -

Nonstop3h 05m

Deal found 8/10C$ 241

Thu 29/107:40 a.m. -

2 stops14h 05m

Sun 1/115:00 p.m. -

1 stop9h 35m

Deal found 7/10C$ 590

Sun 22/115:30 a.m. -

2 stops12h 31m

Fri 4/129:15 p.m. -

2 stops17h 27m

Deal found 5/10C$ 745

Mon 22/36:15 a.m. -

Nonstop3h 10m

Fri 2/410:40 a.m. -

Nonstop3h 05m

Deal found 9/10C$ 325

Fri 6/116:40 a.m. -

1 stop9h 00m

Sun 8/111:30 p.m. -

1 stop13h 05m

Deal found 6/10C$ 827

Mon 22/36:15 a.m. -

Nonstop3h 10m

Sun 28/310:40 a.m. -

Nonstop3h 05m

Deal found 9/10C$ 325

Mon 23/115:30 a.m. -

1 stop6h 03m

Mon 30/118:00 a.m. -

1 stop6h 42m

Deal found 5/10C$ 538

Mon 4/16:15 a.m. -

Nonstop3h 10m

Mon 11/110:40 a.m. -

Nonstop3h 05m

Deal found 9/10C$ 376

Thu 14/16:40 a.m. -

1 stop31h 35m

Sun 31/15:00 p.m. -

1 stop9h 35m

Deal found 5/10C$ 627

Thu 12/113:25 p.m. -

1 stop7h 39m

Tue 17/117:15 a.m. -

2 stops11h 37m

Deal found 5/10C$ 574

Tue 5/17:10 a.m. -

Nonstop2h 55m

Tue 12/16:51 p.m. -

1 stop27h 59m

Deal found 7/10C$ 701

Sun 10/19:15 a.m. -

2 stops11h 54m

Sat 16/11:25 p.m. -

2 stops8h 27m

Deal found 6/10C$ 595

Fri 6/116:40 a.m. -

1 stop9h 00m

Mon 9/111:30 p.m. -

1 stop13h 05m

Deal found 6/10C$ 675

Wed 9/125:30 a.m. -

2 stops10h 13m

Fri 11/127:00 a.m. -

2 stops14h 52m

Deal found 8/10C$ 746

Fri 20/119:30 a.m. -

2 stops13h 37m

Fri 27/1110:59 p.m. -

2 stops18h 01m

Deal found 6/10C$ 706

Thu 29/109:15 a.m. -

1 stop9h 19m

Sat 31/104:30 p.m. -

1 stop14h 07m

Deal found 7/10C$ 600

Mon 9/113:25 p.m. -

3 stops21h 43m

Wed 11/119:10 p.m. -

2 stops17h 32m

Deal found 9/10C$ 756

Thu 3/126:40 a.m. -

1 stop10h 00m

Sat 16/19:25 p.m. -

2 stops29h 10m

Deal found 9/10C$ 852

Thu 19/116:40 a.m. -

1 stop12h 10m

Thu 26/114:40 p.m. -

1 stop9h 55m

Deal found 5/10C$ 706

Thu 29/103:25 p.m. -

1 stop7h 39m

Sun 1/115:35 p.m. -

1 stop12h 02m

Deal found 7/10C$ 600

Thu 19/115:30 a.m. -

1 stop10h 40m

Thu 26/1110:50 p.m. -

2 stops12h 52m

Deal found 5/10C$ 759

Fri 20/119:30 a.m. -

Nonstop3h 10m

Fri 27/111:55 p.m. -

Nonstop3h 05m

Deal found 6/10C$ 590

Thu 19/1110:00 a.m. -

Nonstop2h 55m

Mon 30/1111:10 a.m. -

2 stops18h 25m

Deal found 9/10C$ 790

Thu 14/13:20 p.m. -

1 stop9h 14m

Sun 31/16:10 p.m. -

2 stops11h 27m

Deal found 5/10C$ 618

Wed 9/126:40 a.m. -

1 stop10h 00m

Mon 25/19:30 a.m. -

2 stops17h 05m

Deal found 5/10C$ 909

Tue 20/106:10 a.m. -

1 stop15h 35m

Thu 22/107:35 p.m. -

1 stop6h 45m

Deal found 6/10C$ 755

Find flight deals from London to USA

Round-trip from	C$ 164
One-way from	C$ 115
Popular in	August
Cheapest in	November
Good round-trip deal	C$ 296 or less
Good one-way deal	C$ 180 or less

Porter Airlines
20/11-27/11
Nonstop
6h 15m total
London to USA

Search Deals

Porter Airlines
20/11-31/12
Nonstop
3h 10m total
London to USA

Search Deals

Highest demand for flights based on searches. 26% potential increase in price (C$ 359 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (C$ 47 potential savings vs. average RT price).

Search Deals

Price to beat on a round-trip flight from London to USA.

Search Deals

Price to beat on a one-way flight from London to USA.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonFort Lauderdale

YXU London - FLL Fort Lauderdale

YXUFLL

London

Sun 22/11

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$ 151

LondonFort Lauderdale

YXU London - FLL Fort Lauderdale

YXUFLL

London

Fri 20/11

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$ 151

Quickest round-trip

LondonOrlando

YXU London - MCO Orlando

YXUMCO

London

Thu 26/11

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$ 169

LondonFort Lauderdale

YXU London - FLL Fort Lauderdale

YXUFLL

London

Mon 23/11

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

Nonstop3h 10m

Fort Lauderdale

Mon 30/11

2:40 p.m.-5:45 p.m.

Nonstop3h 05m

C$ 182

LondonTampa

YXU London - TPA Tampa

YXUTPA

London

Sun 22/11

10:15 a.m.-7:10 a.m.

1 stop20h 55m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 189

LondonFort Lauderdale

YXU London - FLL Fort Lauderdale

YXUFLL

London

Sun 29/11

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

Nonstop3h 10m

Fort Lauderdale

Fri 11/12

1:55 p.m.-5:00 p.m.

Nonstop3h 05m

C$ 241

LondonFort Lauderdale

YXU London - FLL Fort Lauderdale

YXUFLL

London

Sun 22/11

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

Nonstop3h 10m

Fort Lauderdale

Sun 29/11

2:40 p.m.-5:45 p.m.

Nonstop3h 05m

C$ 241

LondonTampa

YXU London - TPA Tampa

YXUTPA

London

Wed 18/11

10:15 a.m.-6:56 p.m.

2 stops32h 41m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 245

LondonAtlanta

YXU London - ATL Atlanta Hartsfield-Jackson

YXUATL

London

Mon 23/11

10:15 a.m.-11:56 p.m.

1 stop13h 41m

Atlanta Hartsfield-Jackson

Wed 31/12

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

Nonstop0h 00m

C$ 255

LondonAtlanta

YXU London - ATL Atlanta Hartsfield-Jackson

YXUATL

London

Mon 30/11

10:15 a.m.-9:54 p.m.

2 stops35h 39m

Atlanta Hartsfield-Jackson

Wed 31/12

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

Nonstop0h 00m

C$ 262

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

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-FLL

YXU-TPA

YXU-SFO

YXU-HNL

YXU-MCO

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-FLL

YXU-TPA

YXU-SFO

YXU-HNL

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$ 538). Flying from London, Ontario to USA in August 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 Porter Airlines,United Airlines, andAir 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

468 reviews

Check prices

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

468 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

United Airlines

7.4

Good

10,331 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Canada

7.1

Good

11,750 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

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 - Seattle/Tacoma Intl.
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$ 538). Flying from London, Ontario to USA in August 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

Browse thousands of different options on Cheapflights for your next trip

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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$ 449	AverageC$ 790	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$ 115

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/11. 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 10 October 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 10 October 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 10 October 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 10 October 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 10 October 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 10 October 2026.

Last-minute flights from London to USADiscover last-minute flight deals from London to USA. Data last updated 10 October 2026 and is based on user searches.

Discover last-minute flight deals from London to USA. Data last updated 10 October 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 10 October 2026.

Search for one-way flight options from London to USA. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Find flight deals from London to USA

Round-trip from

One-way from

Popular in

Cheapest in

Good round-trip deal

Good one-way deal

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 10 October 2026.

Check out reviews from past customers who have flown with Porter Airlines,United Airlines, andAir 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 10 October 2026.

Popular flight searches

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London to USA flights

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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 10 October 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 10 October 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 10 October 2026.

Last-minute flights from London to USA
Discover last-minute flight deals from London to USA. Data last updated 10 October 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 10 October 2026.