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 - Fort Lauderdale. You may also consider London - Orlando 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$ 145+ 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 15 October 2026.

Fri 20/119:30 a.m. -

Nonstop3h 10m

Mon 23/112:40 p.m. -

Nonstop3h 05m

Deal found 14/10C$ 181

Fri 20/119:30 a.m. -

Nonstop3h 10m

Fri 27/111:55 p.m. -

Nonstop3h 05m

Deal found 13/10C$ 182

Fri 20/119:30 a.m. -

Nonstop3h 10m

Mon 30/112:40 p.m. -

Nonstop3h 05m

Deal found 12/10C$ 184

Sun 29/1110:15 a.m. -

Nonstop3h 10m

Sun 13/122:40 p.m. -

Nonstop3h 05m

Deal found 12/10C$ 195

Wed 18/1110:15 a.m. -

Nonstop3h 10m

Mon 23/112:40 p.m. -

Nonstop3h 05m

Deal found 14/10C$ 202

Wed 18/1110:15 a.m. -

Nonstop3h 10m

Sun 29/112:40 p.m. -

Nonstop3h 05m

Deal found 12/10C$ 203

Fri 20/119:30 a.m. -

Nonstop3h 10m

Sun 22/112:40 p.m. -

Nonstop3h 05m

Deal found 14/10C$ 211

Wed 18/1110:15 a.m. -

Nonstop3h 10m

Fri 27/111:55 p.m. -

Nonstop3h 05m

Deal found 14/10C$ 221

Wed 18/1110:15 a.m. -

Nonstop3h 10m

Sun 22/112:40 p.m. -

Nonstop3h 05m

Deal found 14/10C$ 231

Sun 6/1210:15 a.m. -

Nonstop3h 10m

Sun 13/122:40 p.m. -

Nonstop3h 05m

Deal found 12/10C$ 242

Mon 7/1210:15 a.m. -

Nonstop3h 10m

Sun 13/122:40 p.m. -

Nonstop3h 05m

Deal found 12/10C$ 248

Thu 19/1110:00 a.m. -

Nonstop2h 55m

Thu 26/112:10 p.m. -

Nonstop2h 50m

Deal found 15/10C$ 252

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 15 October 2026.

Thu 26/1110:00 a.m. -

Nonstop2h 55m

Thu 3/122:10 p.m. -

Nonstop2h 50m

Deal found 12/10C$ 334

Sat 28/1110:00 a.m. -

Nonstop2h 55m

Sat 5/129:55 p.m. -

2 stops43h 50m

Deal found 15/10C$ 435

Tue 9/35:30 a.m. -

2 stops13h 25m

Mon 15/34:45 p.m. -

2 stops12h 52m

Deal found 15/10C$ 532

Sat 31/107:40 a.m. -

3 stops20h 10m

Thu 5/1110:35 p.m. -

1 stop26h 00m

Deal found 12/10C$ 576

Sat 5/125:30 a.m. -

3 stops15h 45m

Sat 12/1210:47 a.m. -

2 stops11h 05m

Deal found 13/10C$ 583

Fri 4/126:40 a.m. -

1 stop10h 00m

Thu 14/17:20 a.m. -

2 stops19h 15m

Deal found 10/10C$ 842

Sun 24/19:15 a.m. -

2 stops11h 54m

Thu 28/110:05 p.m. -

1 stop10h 32m

Deal found 13/10C$ 581

Thu 26/116:40 a.m. -

1 stop12h 10m

Thu 3/124:40 p.m. -

1 stop9h 55m

Deal found 12/10C$ 600

Mon 11/16:15 a.m. -

Nonstop3h 10m

Mon 18/110:40 a.m. -

Nonstop3h 05m

Deal found 14/10C$ 602

Tue 26/15:30 a.m. -

2 stops12h 40m

Tue 2/27:00 a.m. -

2 stops14h 52m

Deal found 13/10C$ 618

Sat 5/125:30 a.m. -

2 stops14h 37m

Sat 12/129:30 p.m. -

1 stop11h 07m

Deal found 13/10C$ 633

Mon 30/119:05 p.m. -

2 stops29h 35m

Wed 2/1210:55 p.m. -

2 stops28h 42m

Deal found 13/10C$ 589

Fri 15/16:15 a.m. -

Nonstop3h 10m

Fri 22/110:40 a.m. -

Nonstop3h 05m

Deal found 13/10C$ 608

Sun 24/19:15 a.m. -

2 stops10h 17m

Thu 28/19:00 a.m. -

3 stops12h 52m

Deal found 13/10C$ 618

Mon 30/116:40 a.m. -

2 stops20h 10m

Wed 2/1210:20 p.m. -

1 stop26h 15m

Deal found 14/10C$ 635

Sun 10/19:15 a.m. -

2 stops11h 54m

Sat 16/11:25 p.m. -

2 stops8h 27m

Deal found 12/10C$ 595

Fri 29/19:15 a.m. -

2 stops10h 35m

Fri 5/28:00 a.m. -

1 stop6h 42m

Deal found 13/10C$ 660

Mon 1/26:40 a.m. -

2 stops36h 40m

Tue 9/23:20 p.m. -

2 stops33h 15m

Deal found 12/10C$ 639

Wed 3/25:30 a.m. -

2 stops21h 10m

Thu 4/310:55 p.m. -

2 stops17h 54m

Deal found 15/10C$ 595

Mon 23/113:25 p.m. -

2 stops20h 11m

Thu 26/116:50 a.m. -

2 stops22h 47m

Deal found 12/10C$ 655

Mon 4/16:15 a.m. -

Nonstop3h 10m

Fri 15/110:40 a.m. -

Nonstop3h 05m

Deal found 12/10C$ 676

Wed 2/126:40 a.m. -

1 stop10h 00m

Sat 16/19:25 p.m. -

2 stops29h 10m

Deal found 10/10C$ 849

Thu 14/16:40 a.m. -

2 stops38h 05m

Sun 31/15:00 p.m. -

1 stop9h 35m

Deal found 11/10C$ 645

Wed 10/25:30 a.m. -

2 stops16h 29m

Tue 16/28:15 p.m. -

2 stops18h 27m

Deal found 13/10C$ 660

Sat 5/123:20 p.m. -

1 stop7h 44m

Wed 9/123:20 p.m. -

2 stops14h 17m

Deal found 13/10C$ 600

Sat 12/1210:00 a.m. -

Nonstop2h 55m

Sat 19/1211:15 a.m. -

Nonstop2h 50m

Deal found 15/10C$ 711

Thu 7/16:40 a.m. -

1 stop17h 40m

Thu 14/15:00 p.m. -

1 stop9h 35m

Deal found 14/10C$ 647

Thu 26/1110:00 a.m. -

3 stops17h 43m

Thu 3/126:30 a.m. -

2 stops23h 07m

Deal found 12/10C$ 791

Tue 12/15:30 a.m. -

1 stop6h 59m

Mon 18/14:00 p.m. -

1 stop5h 52m

Deal found 13/10C$ 602

Sat 28/113:25 p.m. -

2 stops9h 34m

Sat 5/128:15 p.m. -

2 stops18h 27m

Deal found 13/10C$ 687

Find flight deals from London to USA

Round-trip from	C$ 181
One-way from	C$ 145
Popular in	August
Cheapest in	November
Good round-trip deal	C$ 250 or less

Porter Airlines
20/11-23/11
Nonstop
6h 15m total
London to USA

Search Deals

Porter Airlines
19/2-31/12
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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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$ 149

LondonFort Lauderdale

YXU London - FLL Fort Lauderdale

YXUFLL

London

Sun 21/2

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$ 188

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$ 198

LondonTampa

YXU London - TPA Tampa

YXUTPA

London

Sun 29/11

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$ 259

LondonTampa

YXU London - TPA Tampa

YXUTPA

London

Thu 7/1

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

2 stops11h 54m

Tampa

Wed 31/12

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

Nonstop0h 00m

C$ 314

LondonOrlando

YXU London - MCO Orlando

YXUMCO

London

Sat 28/11

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$ 323

LondonFort Lauderdale

YXU London - FLL Fort Lauderdale

YXUFLL

London

Thu 17/12

5:30 a.m.-5:02 p.m.

2 stops11h 32m

Fort Lauderdale

Wed 31/12

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

Nonstop0h 00m

C$ 326

LondonFort Lauderdale

YXU London - FLL Fort Lauderdale

YXUFLL

London

Fri 15/1

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$ 332

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$ 333

LondonOrlando

YXU London - MCO Orlando

YXUMCO

London

Thu 26/11

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

Nonstop2h 55m

Orlando

Thu 3/12

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

Nonstop2h 50m

C$ 334

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/10

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-MCO

YXU-SAN

YXU-HNL

YXU-SEA

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-MCO

YXU-SAN

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$ 1,034). 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

10,366 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

11,776 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 - Fort Lauderdale. You may also consider London - Orlando 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$ 1,034). 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$ 789	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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

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$ 145

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 19/2. 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 15 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 15 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 15 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 15 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 15 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 15 October 2026.

Last-minute flights from London to USADiscover last-minute flight deals from London to USA. Data last updated 15 October 2026 and is based on user searches.

Discover last-minute flight deals from London to USA. Data last updated 15 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 15 October 2026.

Search for one-way flight options from London to USA. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

Find flight deals from London to USA

Round-trip from

One-way from

Popular in

Cheapest in

Good round-trip 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 15 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 15 October 2026.

Popular flight searches

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London to USA flights

Consider these flights travelling from London to USA.

Fly to USA regions

Consider these flights travelling to USA regions.

Top airline flying from London to USA

Fly with Cheapflights

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

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

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 15 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 15 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 15 October 2026.

Last-minute flights from London to USA
Discover last-minute flight deals from London to USA. Data last updated 15 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 15 October 2026.