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

Airlines like WestJet, Air Canada, and United Airlines fly from USA to London, Ontario in about 10h 50m. The time it takes to get you to your destination can typically vary by up to 8h 23m. USA and London, Ontario are separated by a distance of 3331 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 Dallas/Fort Worth - 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$ 225+ 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 2 September 2026.

Fri 16/103:30 p.m. -

1 stop10h 50m

Fri 23/106:10 a.m. -

1 stop11h 00m

Deal found 1/9C$ 429

Tue 20/1012:15 p.m. -

2 stops18h 05m

Thu 22/105:40 a.m. -

1 stop7h 59m

Deal found 31/8C$ 529

Fri 6/114:40 p.m. -

1 stop9h 55m

Mon 9/116:40 a.m. -

1 stop12h 10m

Deal found 28/8C$ 554

Tue 29/91:35 p.m. -

1 stop16h 45m

Sat 3/105:40 a.m. -

1 stop7h 59m

Deal found 29/8C$ 612

Tue 29/91:10 p.m. -

1 stop17h 10m

Sat 3/105:40 a.m. -

2 stops17h 56m

Deal found 31/8C$ 618

Fri 16/103:30 p.m. -

1 stop10h 50m

Fri 23/106:10 a.m. -

2 stops34h 06m

Deal found 1/9C$ 627

Fri 6/116:30 a.m. -

2 stops12h 22m

Mon 9/119:15 a.m. -

1 stop9h 25m

Deal found 31/8C$ 643

Thu 15/105:30 p.m. -

1 stop10h 50m

Thu 22/106:10 a.m. -

1 stop11h 30m

Deal found 31/8C$ 647

Fri 16/106:40 a.m. -

2 stops12h 00m

Fri 23/105:40 a.m. -

2 stops13h 20m

Deal found 1/9C$ 657

Tue 29/93:30 p.m. -

1 stop10h 50m

Sat 3/106:10 a.m. -

1 stop11h 00m

Deal found 31/8C$ 676

Fri 16/106:40 a.m. -

2 stops12h 00m

Fri 23/1010:05 a.m. -

3 stops13h 40m

Deal found 1/9C$ 679

Thu 8/105:30 p.m. -

1 stop22h 15m

Mon 12/106:10 a.m. -

1 stop11h 30m

Deal found 1/9C$ 716

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 2 September 2026.

Fri 16/103:30 p.m. -

1 stop10h 50m

Fri 23/106:10 a.m. -

1 stop11h 00m

Deal found 1/9C$ 429

Tue 20/107:30 p.m. -

2 stops19h 13m

Thu 22/103:30 p.m. -

2 stops10h 50m

Deal found 31/8C$ 537

Fri 16/103:30 p.m. -

1 stop10h 50m

Fri 23/106:10 a.m. -

2 stops34h 06m

Deal found 1/9C$ 627

Fri 16/106:40 a.m. -

2 stops12h 00m

Fri 23/1010:05 a.m. -

3 stops13h 40m

Deal found 1/9C$ 679

Fri 6/114:40 p.m. -

1 stop9h 55m

Mon 9/116:40 a.m. -

1 stop12h 10m

Deal found 31/8C$ 589

Tue 29/91:35 p.m. -

1 stop16h 45m

Sat 3/105:40 a.m. -

1 stop7h 59m

Deal found 28/8C$ 612

Thu 8/101:00 p.m. -

1 stop13h 20m

Mon 12/106:10 a.m. -

2 stops31h 27m

Deal found 28/8C$ 697

Fri 16/106:40 a.m. -

2 stops12h 00m

Fri 23/105:40 a.m. -

2 stops13h 20m

Deal found 1/9C$ 657

Fri 16/109:13 p.m. -

2 stops17h 30m

Fri 23/105:40 a.m. -

2 stops10h 53m

Deal found 1/9C$ 725

Tue 29/93:30 p.m. -

1 stop10h 50m

Sat 3/106:10 a.m. -

1 stop11h 00m

Deal found 31/8C$ 676

Fri 6/116:30 a.m. -

2 stops12h 22m

Mon 9/115:30 a.m. -

2 stops20h 27m

Deal found 31/8C$ 677

Tue 29/96:28 p.m. -

2 stops11h 52m

Sat 3/105:40 a.m. -

2 stops13h 14m

Deal found 27/8C$ 780

Fri 16/108:15 a.m. -

1 stop21h 05m

Fri 23/106:10 a.m. -

2 stops24h 45m

Deal found 1/9C$ 773

Thu 15/109:04 p.m. -

2 stops32h 16m

Thu 22/106:10 a.m. -

1 stop31h 15m

Deal found 31/8C$ 880

Tue 29/91:10 p.m. -

1 stop17h 10m

Sat 3/105:40 a.m. -

2 stops17h 56m

Deal found 30/8C$ 794

Wed 23/93:45 p.m. -

1 stop4h 55m

Tue 29/95:40 a.m. -

1 stop4h 20m

Deal found 31/8C$ 887

Mon 12/107:05 p.m. -

1 stop10h 15m

Mon 19/106:10 a.m. -

2 stops24h 45m

Deal found 28/8C$ 819

Thu 5/1110:30 p.m. -

2 stops13h 17m

Sun 8/115:30 a.m. -

2 stops12h 42m

Deal found 29/8C$ 847

Mon 12/1011:41 a.m. -

3 stops16h 39m

Mon 19/106:10 a.m. -

1 stop11h 30m

Deal found 28/8C$ 945

Thu 22/108:15 a.m. -

2 stops21h 05m

Sat 24/106:10 a.m. -

1 stop24h 35m

Deal found 31/8C$ 994

Wed 14/106:00 a.m. -

2 stops8h 50m

Wed 21/103:30 p.m. -

1 stop3h 30m

Deal found 1/9C$ 1,246

Wed 14/1011:00 a.m. -

1 stop3h 50m

Wed 21/103:30 p.m. -

1 stop5h 18m

Deal found 1/9C$ 999

Fri 25/99:55 a.m. -

3 stops19h 25m

Fri 2/105:55 p.m. -

2 stops23h 00m

Deal found 28/8C$ 1,112

Thu 1/105:30 p.m. -

1 stop11h 50m

Sat 3/106:10 a.m. -

1 stop10h 25m

Deal found 1/9C$ 1,016

Wed 14/106:00 a.m. -

2 stops8h 50m

Wed 21/1010:05 a.m. -

1 stop3h 31m

Deal found 1/9C$ 1,276

Thu 1/107:30 a.m. -

2 stops10h 15m

Sat 3/103:30 p.m. -

1 stop5h 18m

Deal found 31/8C$ 1,001

Sat 19/98:45 a.m. -

1 stop6h 05m

Fri 25/96:20 p.m. -

1 stop4h 16m

Deal found 29/8C$ 1,124

Thu 22/108:15 a.m. -

1 stop21h 05m

Mon 26/107:40 a.m. -

1 stop23h 05m

Deal found 31/8C$ 1,073

Mon 12/108:45 a.m. -

2 stops7h 58m

Mon 19/106:20 p.m. -

3 stops16h 57m

Deal found 28/8C$ 1,017

Wed 14/107:00 a.m. -

2 stops7h 50m

Wed 21/1010:05 a.m. -

2 stops9h 06m

Deal found 29/8C$ 1,370

Find flight deals from USA to London

Round-trip from	C$ 429
One-way from	C$ 225

WestJet
16/10-23/10
2 total stops
21h 50m 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 DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Fri 16/10

3:30 p.m.-5:20 a.m.

1 stop10h 50m

London

Fri 23/10

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

1 stop11h 00m

C$ 429

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 20/10

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

2 stops19h 13m

London

Thu 22/10

3:30 p.m.-11:20 p.m.

2 stops10h 50m

C$ 537

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Fri 6/11

4:40 p.m.-5:35 a.m.

1 stop9h 55m

London

Mon 9/11

6:40 a.m.-3:50 p.m.

1 stop12h 10m

C$ 589

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Tue 29/9

1:35 p.m.-9:20 a.m.

1 stop16h 45m

London

Sat 3/10

5:40 a.m.-10:39 a.m.

1 stop7h 59m

C$ 612

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Fri 16/10

3:30 p.m.-5:20 a.m.

1 stop10h 50m

London

Fri 23/10

6:10 a.m.-1:16 p.m.

2 stops34h 06m

C$ 627

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Fri 16/10

6:40 a.m.-9:40 p.m.

2 stops12h 00m

London

Fri 23/10

5:40 a.m.-4:00 p.m.

2 stops13h 20m

C$ 657

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Tue 29/9

3:30 p.m.-5:20 a.m.

1 stop10h 50m

London

Sat 3/10

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

1 stop11h 00m

C$ 676

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Fri 6/11

6:30 a.m.-9:52 p.m.

2 stops12h 22m

London

Mon 9/11

5:30 a.m.-10:57 p.m.

2 stops20h 27m

C$ 677

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Fri 16/10

6:40 a.m.-9:40 p.m.

2 stops12h 00m

London

Fri 23/10

10:05 a.m.-8:45 p.m.

3 stops13h 40m

C$ 679

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Thu 8/10

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

1 stop13h 20m

London

Mon 12/10

6:10 a.m.-10:37 a.m.

2 stops31h 27m

C$ 697

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/9

Showing 1-10 of 59 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.

SAN-YXU

SFO-YXU

ORD-YXU

ATL-YXU

LGA-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

SAN-YXU

SFO-YXU

ORD-YXU

ATL-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, Air Canada, and United Airlines fly from USA to London, Ontario in about 10h 50m. The time it takes to get you to your destination can typically vary by up to 8h 23m. USA and London, Ontario are separated by a distance of 3331 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 Dallas/Fort Worth - 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$ 225

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 2 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 2 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 2 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 2 September 2026.

Last-minute flights from USA to LondonDiscover last-minute flight deals from USA to London. Data last updated 2 September 2026 and is based on user searches.

Discover last-minute flight deals from USA to London. Data last updated 2 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 2 September 2026.

Search for one-way flight options from USA to London. Find affordable one-way fares based on user searches. Data last updated 2 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.

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 2 September 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 2 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 2 September 2026.

Last-minute flights from USA to London
Discover last-minute flight deals from USA to London. Data last updated 2 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 2 September 2026.