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

Airlines like Air Canada, WestJet, and United Airlines fly from USA to London, Ontario in about 6h 45m. The time it takes to get you to your destination can typically vary by up to 12h 28m. USA and London, Ontario are separated by a distance of 3219 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in London, Ontario ranges from 70.0 - 100.0 mm per month. January is typically the wettest month, when rainfall can reach 100.0 mm. March is typically the driest time to visit London, Ontario when rainfall is around 70.0 mm.

If weather is an important factor for your trip to London, Ontario, 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 20.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 C).

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

The most popular route from USA to London, Ontario is Newark - London. You may also consider Orlando - London or New York John F Kennedy Intl - London.

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

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

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

London (YXU), located 8.6 km from the city centre, is the airport you fly into when you book flights from United States to London.

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

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

How can I find direct flights from USA to London?

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

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

Yes. Cheapflights offers flight deals from USA to London 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$ 214+ Cheap Flights from the United States to London, ON

Cheap flight deals from USA to London

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from USA to London
Explore the most affordable flight options available from USA to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Thu 15/107:35 p.m. -

1 stop6h 45m

Fri 16/105:55 p.m. -

1 stop18h 45m

Deal found 14/9C$ 520

Wed 14/106:05 p.m. -

1 stop8h 15m

Wed 21/106:10 a.m. -

1 stop8h 50m

Deal found 16/9C$ 543

Tue 20/107:30 p.m. -

2 stops19h 13m

Thu 22/108:20 p.m. -

1 stop17h 19m

Deal found 15/9C$ 544

Thu 10/126:00 a.m. -

2 stops23h 35m

Sat 12/1210:00 a.m. -

Nonstop2h 55m

Deal found 14/9C$ 564

Sat 17/1011:35 a.m. -

1 stop17h 50m

Sat 24/103:30 p.m. -

2 stops10h 50m

Deal found 15/9C$ 575

Tue 20/107:35 p.m. -

1 stop6h 45m

Sat 24/106:10 a.m. -

1 stop15h 35m

Deal found 15/9C$ 582

Sat 31/108:25 a.m. -

1 stop8h 27m

Sat 7/119:15 a.m. -

1 stop9h 25m

Deal found 15/9C$ 611

Fri 25/128:00 a.m. -

1 stop6h 42m

Thu 7/17:10 a.m. -

Nonstop2h 55m

Deal found 14/9C$ 617

Tue 6/107:00 a.m. -

2 stops22h 25m

Sat 10/108:20 p.m. -

2 stops22h 52m

Deal found 13/9C$ 642

Thu 15/107:35 p.m. -

1 stop6h 45m

Mon 19/106:10 a.m. -

2 stops19h 53m

Deal found 14/9C$ 699

Thu 29/108:09 p.m. -

2 stops31h 26m

Thu 5/116:40 a.m. -

1 stop10h 00m

Deal found 14/9C$ 704

Thu 15/104:46 p.m. -

2 stops19h 04m

Mon 19/106:20 p.m. -

2 stops18h 29m

Deal found 15/9C$ 712

Best flights from USA to London
Discover carefully curated flight deals from USA to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Tue 20/107:30 p.m. -

2 stops19h 13m

Thu 22/108:20 p.m. -

1 stop17h 19m

Deal found 15/9C$ 544

Tue 20/107:35 p.m. -

1 stop6h 45m

Sat 24/106:10 a.m. -

1 stop15h 35m

Deal found 15/9C$ 582

Sat 31/108:25 a.m. -

1 stop8h 27m

Sat 7/119:15 a.m. -

1 stop9h 25m

Deal found 15/9C$ 611

Thu 29/108:09 p.m. -

2 stops31h 26m

Thu 5/116:40 a.m. -

1 stop10h 00m

Deal found 14/9C$ 704

Thu 10/122:10 p.m. -

Nonstop2h 50m

Sat 12/1210:00 a.m. -

Nonstop2h 55m

Deal found 14/9C$ 739

Sat 17/1012:15 p.m. -

2 stops17h 10m

Sat 24/103:30 p.m. -

2 stops10h 50m

Deal found 15/9C$ 582

Fri 30/108:10 a.m. -

1 stop8h 42m

Fri 6/119:15 a.m. -

1 stop9h 25m

Deal found 14/9C$ 669

Tue 6/107:00 a.m. -

2 stops22h 25m

Sat 10/108:20 p.m. -

2 stops22h 52m

Deal found 12/9C$ 642

Thu 29/108:25 a.m. -

1 stop8h 27m

Thu 5/113:25 p.m. -

1 stop9h 05m

Deal found 14/9C$ 669

Thu 15/107:35 p.m. -

1 stop6h 45m

Mon 19/105:55 p.m. -

1 stop28h 54m

Deal found 14/9C$ 761

Wed 14/105:30 p.m. -

1 stop11h 50m

Sun 18/105:55 p.m. -

1 stop22h 40m

Deal found 17/9C$ 818

Thu 15/104:46 p.m. -

2 stops19h 04m

Mon 19/106:20 p.m. -

2 stops18h 29m

Deal found 15/9C$ 712

Thu 15/1011:20 a.m. -

2 stops15h 00m

Fri 16/105:55 p.m. -

1 stop18h 45m

Deal found 14/9C$ 804

Fri 25/121:25 p.m. -

2 stops8h 27m

Thu 7/19:15 a.m. -

2 stops10h 21m

Deal found 14/9C$ 737

Tue 29/1211:15 a.m. -

Nonstop2h 50m

Tue 5/17:10 a.m. -

Nonstop2h 55m

Deal found 17/9C$ 908

Thu 29/103:30 p.m. -

1 stop12h 05m

Thu 5/116:40 a.m. -

1 stop10h 00m

Deal found 14/9C$ 872

Mon 12/1011:41 a.m. -

2 stops16h 39m

Mon 19/106:10 a.m. -

1 stop11h 30m

Deal found 12/9C$ 818

Tue 29/128:00 a.m. -

1 stop6h 42m

Tue 5/19:15 a.m. -

1 stop5h 53m

Deal found 17/9C$ 771

Sat 31/106:50 a.m. -

2 stops10h 02m

Sat 7/115:30 a.m. -

2 stops17h 54m

Deal found 16/9C$ 827

Thu 22/107:35 a.m. -

2 stops10h 08m

Wed 28/103:25 p.m. -

2 stops8h 11m

Deal found 15/9C$ 793

Sat 31/106:55 p.m. -

2 stops35h 40m

Sat 7/116:40 a.m. -

2 stops29h 30m

Deal found 16/9C$ 906

Thu 22/1011:55 a.m. -

1 stop5h 48m

Sun 25/103:25 p.m. -

1 stop8h 33m

Deal found 15/9C$ 828

Wed 14/108:00 a.m. -

3 stops21h 20m

Sun 18/106:10 a.m. -

2 stops34h 45m

Deal found 17/9C$ 948

Wed 14/1011:50 a.m. -

1 stop5h 53m

Wed 28/109:15 a.m. -

2 stops10h 21m

Deal found 16/9C$ 831

Thu 29/107:35 p.m. -

2 stops21h 17m

Thu 5/113:25 p.m. -

2 stops27h 47m

Deal found 14/9C$ 1,044

Fri 30/1012:15 p.m. -

1 stop7h 37m

Fri 6/115:30 a.m. -

1 stop5h 43m

Deal found 15/9C$ 846

Fri 9/104:00 p.m. -

1 stop3h 40m

Tue 13/103:30 p.m. -

1 stop5h 29m

Deal found 13/9C$ 1,080

Tue 6/109:45 p.m. -

2 stops20h 55m

Sat 10/109:05 a.m. -

3 stops14h 40m

Deal found 13/9C$ 1,107

Mon 12/109:55 a.m. -

1 stop3h 55m

Mon 19/109:05 a.m. -

1 stop3h 55m

Deal found 12/9C$ 891

Thu 22/1011:00 a.m. -

1 stop3h 50m

Sun 1/119:15 a.m. -

1 stop4h 24m

Deal found 13/9C$ 1,091

Find flight deals from USA to London

Round-trip from	C$ 520
One-way from	C$ 214
Good one-way deal	C$ 187 or less

WestJet
15/10-16/10
2 total stops
25h 30m total
USA to London

Search Deals

WestJet
15/10-31/12
1 total stop
6h 45m total
USA to London

Search Deals

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

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Sat 10/10

7:30 p.m.-5:43 p.m.

2 stops19h 13m

London

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 242

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Sat 10/10

1:00 p.m.-5:20 a.m.

1 stop13h 20m

London

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 248

OrlandoLondon

MCO Orlando - YXU London

MCOYXU

Orlando

Tue 26/1

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

1 stop6h 42m

London

Wed 31/12

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

Nonstop0h 00m

C$ 297

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Fri 2/10

9:13 p.m.-5:43 p.m.

2 stops17h 30m

London

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 318

New YorkLondon

JFK New York John F Kennedy Intl - YXU London

JFKYXU

New York John F Kennedy Intl

Wed 14/10

5:30 p.m.-5:20 a.m.

1 stop11h 50m

London

Wed 31/12

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

Nonstop0h 00m

C$ 340

New YorkLondon

JFK New York John F Kennedy Intl - YXU London

JFKYXU

New York John F Kennedy Intl

Fri 9/10

5:30 p.m.-5:20 a.m.

1 stop11h 50m

London

Wed 31/12

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

Nonstop0h 00m

C$ 362

SeattleLondon

SEA Seattle/Tacoma Intl - YXU London

SEAYXU

Seattle/Tacoma Intl

Thu 15/10

8:00 p.m.-5:20 a.m.

2 stops30h 20m

London

Wed 31/12

12:00 a.m.-9:00 p.m.

Nonstop0h 00m

C$ 378

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Thu 15/10

10:43 a.m.-5:43 p.m.

1 stop6h 00m

London

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 382

ChicagoLondon

ORD Chicago O'Hare Intl - YXU London

ORDYXU

Chicago O'Hare Intl

Thu 15/10

8:01 p.m.-5:20 a.m.

2 stops32h 19m

London

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 392

NewarkLondon

EWR Newark - YXU London

EWRYXU

Newark

Sat 10/10

2:35 p.m.-5:20 a.m.

2 stops38h 45m

London

Wed 31/12

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

Nonstop0h 00m

C$ 401

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from USA to London

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

SEA-YXU

SFO-YXU

SAN-YXU

MCO-YXU

JFK-YXU

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 the United States to London

US0-YXU

SEA-YXU

SFO-YXU

SAN-YXU

MCO-YXU

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to London from United States?
London (YXU), located 8.6 km from the city centre, is the airport you fly into when you book flights from United States to London.
How long is the flight from USA to London, Ontario?
Airlines like Air Canada, WestJet, and United Airlines fly from USA to London, Ontario in about 6h 45m. The time it takes to get you to your destination can typically vary by up to 12h 28m. USA and London, Ontario are separated by a distance of 3219 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most popular routes from USA to London, Ontario?
The most popular route from USA to London, Ontario is Newark - London. You may also consider Orlando - London or New York John F Kennedy Intl - London.
Can I find deals for flights from USA to London that include hotel bookings?
Yes. In addition to deals on USA to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from USA to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to London.
Can I find deals for business class flights from USA to London?
Yes. Cheapflights offers flight deals from USA to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Cheap flights from the United States to London, ON from C$ 214

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from USA to London

Cheapest flights from USA to LondonExplore the most affordable flight options available from USA to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Explore the most affordable flight options available from USA to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Best flights from USA to LondonDiscover carefully curated flight deals from USA to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Discover carefully curated flight deals from USA to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Direct flights from USA to LondonExplore direct flight options from USA to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2026.

Explore direct flight options from USA to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2026.

Last-minute flights from USA to LondonDiscover last-minute flight deals from USA to London. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from USA to London. Data last updated 17 September 2026 and is based on user searches.

One-way flights from USA to LondonSearch for one-way flight options from USA to London. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Search for one-way flight options from USA to London. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

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Related info for your journey

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

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

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

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

How can I find direct flights from USA to London?

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

Travelling to a place near London?

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Alternative routes for USA to London

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Complete your trip

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

Direct flights to Ontario

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

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Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 17 September 2026.

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

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

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Cheapest flights from USA to London
Explore the most affordable flight options available from USA to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Best flights from USA to London
Discover carefully curated flight deals from USA to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Direct flights from USA to London
Explore direct flight options from USA to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2026.

Last-minute flights from USA to London
Discover last-minute flight deals from USA to London. Data last updated 17 September 2026 and is based on user searches.

One-way flights from USA to London
Search for one-way flight options from USA to London. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.