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 9h 47m. The time it takes to get you to your destination can typically vary by up to 10h 33m. USA and London, Ontario are separated by a distance of 3483 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 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$ 261+ 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 27 August 2026.

Wed 16/912:05 a.m. -

1 stop14h 38m

Thu 24/96:20 p.m. -

1 stop7h 44m

Deal found 27/8C$ 530

Fri 25/96:00 a.m. -

1 stop20h 20m

Mon 28/95:55 p.m. -

1 stop21h 05m

Deal found 23/8C$ 538

Fri 9/106:00 a.m. -

1 stop7h 45m

Fri 16/106:10 a.m. -

1 stop8h 50m

Deal found 25/8C$ 552

Tue 29/91:00 p.m. -

1 stop13h 20m

Sat 3/106:10 a.m. -

1 stop8h 50m

Deal found 25/8C$ 616

Fri 25/96:00 a.m. -

1 stop20h 20m

Mon 28/96:10 a.m. -

2 stops12h 36m

Deal found 23/8C$ 620

Tue 29/91:35 p.m. -

1 stop16h 45m

Sat 3/105:40 a.m. -

1 stop8h 04m

Deal found 26/8C$ 630

Tue 20/1011:35 a.m. -

1 stop7h 05m

Thu 22/105:40 a.m. -

1 stop8h 04m

Deal found 22/8C$ 632

Wed 14/1011:50 a.m. -

1 stop5h 53m

Wed 28/105:30 a.m. -

1 stop5h 43m

Deal found 27/8C$ 725

Wed 23/128:00 a.m. -

1 stop6h 42m

Thu 7/19:15 a.m. -

2 stops10h 21m

Deal found 25/8C$ 743

Tue 6/105:30 p.m. -

1 stop10h 50m

Tue 13/106:10 a.m. -

2 stops25h 24m

Deal found 22/8C$ 749

Mon 28/95:30 p.m. -

1 stop10h 50m

Fri 2/106:10 a.m. -

1 stop11h 30m

Deal found 26/8C$ 772

Sat 10/109:25 p.m. -

2 stops19h 20m

Sat 17/106:20 p.m. -

1 stop5h 29m

Deal found 26/8C$ 786

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 27 August 2026.

Wed 16/912:05 a.m. -

1 stop14h 38m

Thu 24/96:20 p.m. -

1 stop7h 44m

Deal found 27/8C$ 530

Tue 20/106:00 a.m. -

1 stop20h 20m

Thu 22/106:10 a.m. -

1 stop8h 50m

Deal found 23/8C$ 652

Fri 9/106:00 a.m. -

1 stop7h 45m

Fri 16/106:10 a.m. -

3 stops14h 50m

Deal found 25/8C$ 765

Sun 17/19:00 a.m. -

2 stops9h 47m

Thu 21/15:30 a.m. -

2 stops18h 41m

Deal found 26/8C$ 1,219

Tue 20/1011:35 a.m. -

1 stop7h 05m

Thu 22/105:40 a.m. -

1 stop8h 04m

Deal found 22/8C$ 632

Tue 29/97:30 p.m. -

2 stops16h 20m

Sat 3/105:40 a.m. -

1 stop8h 04m

Deal found 26/8C$ 636

Mon 5/1011:30 a.m. -

1 stop17h 50m

Mon 12/106:10 a.m. -

2 stops17h 19m

Deal found 22/8C$ 792

Thu 1/105:30 p.m. -

1 stop11h 50m

Sat 3/106:10 a.m. -

1 stop10h 25m

Deal found 25/8C$ 857

Wed 14/1011:50 a.m. -

1 stop5h 53m

Wed 28/105:30 a.m. -

1 stop5h 43m

Deal found 25/8C$ 725

Fri 9/105:30 p.m. -

1 stop10h 50m

Fri 16/105:55 p.m. -

2 stops37h 39m

Deal found 25/8C$ 822

Sat 10/108:35 p.m. -

2 stops20h 10m

Sat 17/105:40 a.m. -

2 stops16h 52m

Deal found 26/8C$ 824

Sat 10/1011:50 a.m. -

1 stop5h 53m

Sat 17/106:20 p.m. -

1 stop5h 29m

Deal found 26/8C$ 789

Thu 8/103:30 p.m. -

3 stops25h 15m

Thu 15/105:55 p.m. -

2 stops23h 00m

Deal found 24/8C$ 861

Tue 22/98:28 a.m. -

1 stop6h 22m

Tue 29/95:40 a.m. -

1 stop9h 45m

Deal found 25/8C$ 804

Fri 9/106:35 p.m. -

2 stops20h 08m

Fri 16/105:40 a.m. -

2 stops10h 31m

Deal found 25/8C$ 1,219

Thu 8/105:30 p.m. -

1 stop11h 50m

Thu 15/106:10 a.m. -

1 stop10h 25m

Deal found 24/8C$ 1,129

Fri 9/107:00 a.m. -

1 stop7h 50m

Fri 16/105:40 a.m. -

1 stop5h 14m

Deal found 26/8C$ 811

Sat 10/1011:05 a.m. -

3 stops17h 15m

Sat 17/106:10 a.m. -

2 stops14h 38m

Deal found 25/8C$ 939

Thu 22/1011:55 a.m. -

1 stop5h 48m

Sun 25/105:30 a.m. -

1 stop5h 43m

Deal found 25/8C$ 826

Fri 25/95:30 p.m. -

1 stop11h 50m

Sun 27/96:10 a.m. -

1 stop10h 25m

Deal found 27/8C$ 1,233

Thu 1/106:25 a.m. -

3 stops22h 55m

Sun 4/105:55 p.m. -

2 stops21h 50m

Deal found 22/8C$ 964

Wed 7/102:08 p.m. -

2 stops16h 12m

Wed 14/105:40 a.m. -

2 stops10h 31m

Deal found 23/8C$ 1,417

Thu 8/102:35 p.m. -

3 stops14h 45m

Thu 15/103:30 p.m. -

1 stop3h 30m

Deal found 24/8C$ 968

Wed 7/1011:05 a.m. -

2 stops21h 15m

Wed 14/103:30 p.m. -

1 stop5h 18m

Deal found 23/8C$ 882

Fri 9/1011:00 a.m. -

1 stop3h 50m

Fri 16/106:20 p.m. -

1 stop4h 14m

Deal found 25/8C$ 1,423

Sun 20/95:30 p.m. -

1 stop11h 50m

Sun 27/96:10 a.m. -

1 stop10h 25m

Deal found 25/8C$ 1,306

Fri 9/108:55 a.m. -

3 stops20h 25m

Fri 16/105:55 p.m. -

3 stops18h 55m

Deal found 25/8C$ 975

Wed 7/1011:57 a.m. -

2 stops9h 43m

Fri 9/106:20 p.m. -

1 stop4h 14m

Deal found 24/8C$ 1,466

Wed 23/97:55 p.m. -

1 stop13h 25m

Wed 30/96:20 p.m. -

1 stop4h 16m

Deal found 26/8C$ 924

Fri 9/105:30 p.m. -

1 stop11h 50m

Mon 12/106:10 a.m. -

1 stop10h 25m

Deal found 24/8C$ 1,421

Find flight deals from USA to London

Round-trip from	C$ 530
One-way from	C$ 261

Air Canada
16/9-24/9
2 total stops
23h 07m total
USA to London

Search Deals

Air Canada
10/10
2 total stops
10h 30m 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 16/9

12:05 a.m.-5:43 p.m.

1 stop14h 38m

London

Thu 24/9

6:20 p.m.-11:04 p.m.

1 stop7h 44m

C$ 530

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 20/10

11:35 a.m.-9:40 p.m.

1 stop7h 05m

London

Thu 22/10

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

1 stop8h 04m

C$ 632

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 29/9

7:30 p.m.-2:50 p.m.

2 stops16h 20m

London

Sat 3/10

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

1 stop8h 04m

C$ 636

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 20/10

6:00 a.m.-5:20 a.m.

1 stop20h 20m

London

Thu 22/10

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

1 stop8h 50m

C$ 652

OrlandoLondon

MCO Orlando - YXU London

MCOYXU

Orlando

Wed 14/10

11:50 a.m.-5:43 p.m.

1 stop5h 53m

London

Wed 28/10

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

1 stop5h 43m

C$ 725

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Fri 9/10

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

1 stop7h 45m

London

Fri 16/10

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

3 stops14h 50m

C$ 765

OrlandoLondon

MCO Orlando - YXU London

MCOYXU

Orlando

Sat 10/10

11:50 a.m.-5:43 p.m.

1 stop5h 53m

London

Sat 17/10

6:20 p.m.-11:49 p.m.

1 stop5h 29m

C$ 789

OrlandoLondon

MCO Orlando - YXU London

MCOYXU

Orlando

Mon 5/10

11:30 a.m.-5:20 a.m.

1 stop17h 50m

London

Mon 12/10

6:10 a.m.-11:29 p.m.

2 stops17h 19m

C$ 792

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - YXU London

IADYXU

Washington, D.C. Dulles Intl

Tue 22/9

8:28 a.m.-2:50 p.m.

1 stop6h 22m

London

Tue 29/9

5:40 a.m.-3:25 p.m.

1 stop9h 45m

C$ 804

OrlandoLondon

MCO Orlando - YXU London

MCOYXU

Orlando

Fri 9/10

7:00 a.m.-2:50 p.m.

1 stop7h 50m

London

Fri 16/10

5:40 a.m.-10:54 a.m.

1 stop5h 14m

C$ 811

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/8

Showing 1-10 of 52 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

ORD-YXU

IAD-YXU

MCO-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

ORD-YXU

IAD-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 9h 47m. The time it takes to get you to your destination can typically vary by up to 10h 33m. USA and London, Ontario are separated by a distance of 3483 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 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$ 261

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 27 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 27 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 27 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 27 August 2026.

Last-minute flights from USA to LondonDiscover last-minute flight deals from USA to London. Data last updated 27 August 2026 and is based on user searches.

Discover last-minute flight deals from USA to London. Data last updated 27 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 27 August 2026.

Search for one-way flight options from USA to London. Find affordable one-way fares based on user searches. Data last updated 27 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 27 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 27 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 27 August 2026.

Last-minute flights from USA to London
Discover last-minute flight deals from USA to London. Data last updated 27 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 27 August 2026.