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

Airlines like WestJet and Air Canada fly from USA to London, Ontario in about 8h 15m. The time it takes to get you to your destination can typically vary by up to 3h 32m. USA and London, Ontario are separated by a distance of 3508 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 New York LaGuardia - London or Washington, D.C. Reagan-National - 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$ 287+ 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

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 20 August 2026.

Wed 30/96:05 p.m. -

1 stop8h 15m

Wed 7/106:10 a.m. -

1 stop8h 50m

Deal found 16/8C$ 486

Thu 17/96:00 a.m. -

1 stop20h 20m

Thu 24/96:10 a.m. -

1 stop8h 50m

Deal found 19/8C$ 497

Wed 28/107:05 a.m. -

2 stops11h 47m

Fri 30/105:30 a.m. -

1 stop9h 30m

Deal found 19/8C$ 579

Wed 28/102:30 p.m. -

1 stop13h 05m

Fri 30/107:40 a.m. -

1 stop9h 00m

Deal found 19/8C$ 591

Thu 1/106:00 a.m. -

1 stop7h 45m

Mon 5/106:10 a.m. -

1 stop8h 50m

Deal found 19/8C$ 609

Sun 20/93:05 p.m. -

1 stop13h 15m

Tue 22/96:10 a.m. -

2 stops13h 20m

Deal found 15/8C$ 612

Thu 17/912:50 p.m. -

2 stops17h 30m

Thu 24/93:30 p.m. -

1 stop8h 29m

Deal found 19/8C$ 614

Fri 6/114:40 p.m. -

1 stop9h 55m

Mon 9/116:40 a.m. -

1 stop12h 10m

Deal found 19/8C$ 622

Wed 30/911:17 a.m. -

2 stops15h 03m

Wed 7/106:10 a.m. -

1 stop8h 50m

Deal found 16/8C$ 638

Sat 3/107:00 a.m. -

2 stops11h 40m

Sat 10/1010:05 a.m. -

2 stops13h 31m

Deal found 19/8C$ 655

Thu 1/107:30 p.m. -

2 stops19h 13m

Mon 5/105:40 a.m. -

1 stop8h 04m

Deal found 19/8C$ 665

Wed 2/93:50 p.m. -

2 stops27h 00m

Sun 6/96:10 a.m. -

1 stop8h 55m

Deal found 15/8C$ 665

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 20 August 2026.

Wed 30/96:05 p.m. -

1 stop8h 15m

Wed 7/106:10 a.m. -

1 stop8h 50m

Deal found 16/8C$ 486

Wed 28/107:05 a.m. -

2 stops11h 47m

Fri 30/105:30 a.m. -

1 stop9h 30m

Deal found 19/8C$ 579

Wed 30/911:17 a.m. -

2 stops15h 03m

Wed 7/106:10 a.m. -

1 stop8h 50m

Deal found 16/8C$ 638

Sat 3/106:15 a.m. -

2 stops12h 25m

Sat 10/105:40 a.m. -

2 stops15h 55m

Deal found 18/8C$ 1,075

Wed 28/102:30 p.m. -

1 stop13h 05m

Fri 30/107:40 a.m. -

1 stop9h 00m

Deal found 19/8C$ 591

Sat 3/107:00 a.m. -

2 stops11h 40m

Sat 10/1010:05 a.m. -

2 stops13h 31m

Deal found 19/8C$ 655

Thu 1/106:00 a.m. -

1 stop7h 45m

Mon 5/106:10 a.m. -

1 stop8h 50m

Deal found 19/8C$ 609

Thu 1/107:30 p.m. -

2 stops19h 13m

Mon 5/105:40 a.m. -

1 stop8h 04m

Deal found 19/8C$ 665

Sun 20/93:05 p.m. -

1 stop13h 15m

Tue 22/96:10 a.m. -

2 stops13h 20m

Deal found 15/8C$ 612

Thu 17/910:24 p.m. -

2 stops27h 56m

Thu 24/96:10 a.m. -

1 stop8h 50m

Deal found 18/8C$ 777

Fri 2/105:30 p.m. -

1 stop10h 50m

Mon 12/105:55 p.m. -

2 stops25h 36m

Deal found 15/8C$ 782

Sun 4/102:55 p.m. -

2 stops13h 25m

Sun 11/106:10 a.m. -

1 stop8h 55m

Deal found 19/8C$ 672

Sun 6/99:50 a.m. -

1 stop4h 00m

Sat 12/95:40 a.m. -

1 stop4h 20m

Deal found 16/8C$ 810

Fri 6/119:15 a.m. -

3 stops17h 20m

Mon 9/116:40 a.m. -

1 stop12h 10m

Deal found 19/8C$ 838

Wed 28/102:08 p.m. -

3 stops21h 39m

Fri 30/105:30 a.m. -

1 stop9h 30m

Deal found 18/8C$ 1,090

Wed 30/99:55 a.m. -

1 stop3h 55m

Wed 7/103:30 p.m. -

1 stop5h 18m

Deal found 16/8C$ 854

Mon 7/98:45 a.m. -

1 stop6h 05m

Sun 13/95:55 p.m. -

3 stops25h 37m

Deal found 17/8C$ 863

Fri 2/105:30 p.m. -

1 stop10h 50m

Mon 12/106:10 a.m. -

1 stop11h 30m

Deal found 15/8C$ 825

Fri 18/911:00 a.m. -

1 stop3h 50m

Sun 20/96:20 p.m. -

1 stop4h 14m

Deal found 16/8C$ 857

Thu 1/107:45 p.m. -

3 stops32h 35m

Thu 8/105:40 a.m. -

1 stop4h 20m

Deal found 17/8C$ 947

Thu 24/98:50 a.m. -

1 stop5h 00m

Mon 28/95:40 a.m. -

1 stop5h 08m

Deal found 16/8C$ 881

Wed 2/93:50 p.m. -

2 stops45h 00m

Sun 6/96:10 a.m. -

2 stops13h 20m

Deal found 15/8C$ 922

Tue 29/910:40 p.m. -

2 stops16h 10m

Tue 6/103:30 p.m. -

1 stop5h 54m

Deal found 15/8C$ 1,374

Tue 15/95:30 p.m. -

1 stop11h 50m

Mon 21/95:55 p.m. -

2 stops17h 55m

Deal found 16/8C$ 968

Tue 15/98:15 a.m. -

2 stops6h 35m

Fri 18/95:40 a.m. -

2 stops9h 20m

Deal found 18/8C$ 899

Thu 1/1010:40 p.m. -

2 stops16h 15m

Thu 8/1010:05 a.m. -

1 stop4h 17m

Deal found 17/8C$ 1,374

Thu 1/102:55 p.m. -

2 stops13h 25m

Fri 2/105:55 p.m. -

2 stops20h 30m

Deal found 19/8C$ 987

Mon 31/811:00 a.m. -

1 stop3h 50m

Thu 3/96:20 p.m. -

1 stop4h 11m

Deal found 17/8C$ 914

Tue 22/99:55 a.m. -

2 stops19h 25m

Sat 26/96:10 a.m. -

2 stops26h 45m

Deal found 19/8C$ 1,010

Tue 29/94:00 p.m. -

1 stop5h 40m

Tue 6/106:20 p.m. -

1 stop4h 16m

Deal found 15/8C$ 1,375

Find flight deals from USA to London

Round-trip from	C$ 486
One-way from	C$ 287

WestJet
30/9-7/10
2 total stops
17h 05m total
USA to London

Search Deals

WestJet
10/10
1 total stop
24h 45m total
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

Wed 30/9

6:05 p.m.-5:20 a.m.

1 stop8h 15m

London

Wed 7/10

6:10 a.m.-12:00 p.m.

1 stop8h 50m

C$ 486

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Wed 28/10

7:05 a.m.-9:52 p.m.

2 stops11h 47m

London

Fri 30/10

5:30 a.m.-12:00 p.m.

1 stop9h 30m

C$ 579

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Wed 28/10

2:30 p.m.-6:35 a.m.

1 stop13h 05m

London

Fri 30/10

7:40 a.m.-1:40 p.m.

1 stop9h 00m

C$ 591

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Thu 1/10

6:00 a.m.-4:45 p.m.

1 stop7h 45m

London

Mon 5/10

6:10 a.m.-12:00 p.m.

1 stop8h 50m

C$ 609

MinneapolisLondon

MSP Minneapolis St Paul - YXU London

MSPYXU

Minneapolis St Paul

Sun 20/9

3:05 p.m.-5:20 a.m.

1 stop13h 15m

London

Tue 22/9

6:10 a.m.-6:30 p.m.

2 stops13h 20m

C$ 612

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Wed 30/9

11:17 a.m.-5:20 a.m.

2 stops15h 03m

London

Wed 7/10

6:10 a.m.-12:00 p.m.

1 stop8h 50m

C$ 638

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Sat 3/10

7:00 a.m.-9:40 p.m.

2 stops11h 40m

London

Sat 10/10

10:05 a.m.-8:36 p.m.

2 stops13h 31m

C$ 655

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Thu 1/10

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

2 stops19h 13m

London

Mon 5/10

5:40 a.m.-10:44 a.m.

1 stop8h 04m

C$ 665

MinneapolisLondon

MSP Minneapolis St Paul - YXU London

MSPYXU

Minneapolis St Paul

Sun 4/10

2:55 p.m.-5:20 a.m.

2 stops13h 25m

London

Sun 11/10

6:10 a.m.-2:05 p.m.

1 stop8h 55m

C$ 672

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Thu 17/9

10:24 p.m.-5:20 a.m.

2 stops27h 56m

London

Thu 24/9

6:10 a.m.-12:00 p.m.

1 stop8h 50m

C$ 777

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/8

Showing 1-10 of 53 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.

SFO-YXU

MSP-YXU

ORD-YXU

LGA-YXU

EWR-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

SFO-YXU

MSP-YXU

ORD-YXU

LGA-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 WestJet and Air Canada fly from USA to London, Ontario in about 8h 15m. The time it takes to get you to your destination can typically vary by up to 3h 32m. USA and London, Ontario are separated by a distance of 3508 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 New York LaGuardia - London or Washington, D.C. Reagan-National - 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$ 287

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 10/10. 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 20 August 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 20 August 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 20 August 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 20 August 2026.

Last-minute flights from USA to LondonDiscover last-minute flight deals from USA to London. Data last updated 20 August 2026 and is based on user searches.

Discover last-minute flight deals from USA to London. Data last updated 20 August 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 20 August 2026.

Search for one-way flight options from USA to London. Find affordable one-way fares based on user searches. Data last updated 20 August 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.

Search flights from USA to London by cabin class

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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 20 August 2026.

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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 20 August 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 20 August 2026.

Last-minute flights from USA to London
Discover last-minute flight deals from USA to London. Data last updated 20 August 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 20 August 2026.