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

Airlines like Air Canada and WestJet fly from USA to London, Ontario in about 7h 45m. The time it takes to get you to your destination can typically vary by up to 42m. 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 San Diego - London. You may also consider Newark - London or New York LaGuardia - 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$ 228+ 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 7 September 2026.

Fri 11/93:30 p.m. -

1 stop10h 50m

Tue 15/96:10 a.m. -

1 stop11h 00m

Deal found 4/9C$ 411

Tue 29/93:30 p.m. -

1 stop10h 50m

Sat 3/106:10 a.m. -

1 stop11h 00m

Deal found 2/9C$ 451

Wed 28/108:25 a.m. -

1 stop8h 27m

Sun 1/115:30 a.m. -

1 stop8h 40m

Deal found 2/9C$ 494

Thu 22/106:00 a.m. -

1 stop7h 45m

Thu 29/107:40 a.m. -

1 stop12h 10m

Deal found 6/9C$ 499

Tue 20/106:00 a.m. -

1 stop20h 20m

Thu 22/106:10 a.m. -

1 stop8h 50m

Deal found 2/9C$ 513

Tue 13/101:00 p.m. -

1 stop13h 20m

Mon 26/107:40 a.m. -

2 stops32h 11m

Deal found 5/9C$ 519

Tue 13/106:00 a.m. -

1 stop20h 20m

Mon 26/107:40 a.m. -

1 stop12h 10m

Deal found 5/9C$ 528

Tue 20/109:05 p.m. -

1 stop11h 20m

Tue 27/109:15 a.m. -

1 stop5h 49m

Deal found 5/9C$ 549

Tue 6/105:05 p.m. -

2 stops21h 38m

Sat 10/108:20 p.m. -

2 stops22h 52m

Deal found 6/9C$ 560

Tue 20/107:30 p.m. -

2 stops19h 13m

Thu 22/108:20 p.m. -

1 stop17h 19m

Deal found 2/9C$ 562

Thu 22/106:00 a.m. -

1 stop7h 45m

Thu 29/107:40 a.m. -

2 stops27h 39m

Deal found 6/9C$ 602

Tue 24/118:56 a.m. -

2 stops20h 39m

Sat 28/1110:00 a.m. -

Nonstop2h 55m

Deal found 3/9C$ 609

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 7 September 2026.

Tue 29/93:30 p.m. -

1 stop10h 50m

Sat 3/106:10 a.m. -

1 stop11h 00m

Deal found 2/9C$ 451

Wed 28/108:25 a.m. -

1 stop8h 27m

Sun 1/115:30 a.m. -

1 stop8h 40m

Deal found 2/9C$ 494

Tue 13/101:00 p.m. -

1 stop13h 20m

Mon 26/107:40 a.m. -

2 stops32h 11m

Deal found 5/9C$ 519

Thu 22/106:00 a.m. -

1 stop7h 45m

Thu 29/107:40 a.m. -

1 stop12h 10m

Deal found 6/9C$ 499

Tue 20/109:05 p.m. -

1 stop11h 20m

Tue 27/109:15 a.m. -

1 stop5h 49m

Deal found 5/9C$ 549

Tue 20/106:00 a.m. -

1 stop20h 20m

Thu 22/106:10 a.m. -

1 stop8h 50m

Deal found 2/9C$ 513

Mon 19/104:33 p.m. -

1 stop4h 07m

Mon 26/103:25 p.m. -

1 stop4h 40m

Deal found 3/9C$ 1,217

Tue 20/107:30 p.m. -

2 stops19h 13m

Thu 22/108:20 p.m. -

1 stop17h 19m

Deal found 2/9C$ 562

Tue 13/106:00 a.m. -

1 stop20h 20m

Mon 26/107:40 a.m. -

1 stop12h 10m

Deal found 5/9C$ 528

Wed 14/1011:50 a.m. -

1 stop5h 53m

Wed 28/109:15 a.m. -

2 stops10h 21m

Deal found 5/9C$ 623

Thu 22/1011:55 a.m. -

1 stop5h 48m

Sun 25/109:15 a.m. -

2 stops10h 21m

Deal found 6/9C$ 623

Sat 17/109:05 p.m. -

1 stop11h 20m

Wed 21/108:20 p.m. -

2 stops23h 47m

Deal found 4/9C$ 635

Wed 21/102:35 p.m. -

2 stops14h 45m

Wed 28/107:40 a.m. -

2 stops28h 30m

Deal found 5/9C$ 949

Tue 29/91:10 p.m. -

1 stop17h 10m

Sat 3/108:20 p.m. -

2 stops27h 16m

Deal found 3/9C$ 642

Tue 20/106:25 a.m. -

3 stops22h 55m

Tue 27/107:40 a.m. -

3 stops34h 15m

Deal found 5/9C$ 973

Thu 22/108:50 a.m. -

1 stop5h 00m

Thu 29/103:25 p.m. -

1 stop5h 33m

Deal found 6/9C$ 981

Wed 21/1011:00 a.m. -

1 stop3h 50m

Wed 28/103:25 p.m. -

1 stop4h 15m

Deal found 6/9C$ 1,244

Mon 19/104:50 p.m. -

2 stops12h 35m

Mon 26/108:30 p.m. -

2 stops17h 57m

Deal found 4/9C$ 726

Thu 1/105:30 p.m. -

1 stop11h 50m

Sat 3/106:10 a.m. -

1 stop10h 25m

Deal found 6/9C$ 970

Sun 18/108:50 a.m. -

1 stop5h 00m

Sun 25/109:15 a.m. -

1 stop4h 58m

Deal found 3/9C$ 981

Sun 18/1011:00 a.m. -

1 stop3h 50m

Sun 25/109:15 a.m. -

1 stop6h 26m

Deal found 3/9C$ 1,244

Mon 12/1011:00 a.m. -

1 stop3h 50m

Sat 17/109:05 a.m. -

2 stops8h 54m

Deal found 6/9C$ 982

Wed 21/105:55 p.m. -

3 stops22h 50m

Wed 28/107:40 a.m. -

3 stops36h 20m

Deal found 6/9C$ 982

Sat 3/105:30 p.m. -

1 stop11h 50m

Mon 5/105:55 p.m. -

1 stop22h 40m

Deal found 6/9C$ 1,114

Mon 30/114:30 p.m. -

1 stop4h 22m

Sat 5/129:15 a.m. -

1 stop4h 58m

Deal found 5/9C$ 885

Mon 30/117:05 a.m. -

3 stops21h 30m

Sat 5/126:40 a.m. -

3 stops27h 28m

Deal found 5/9C$ 995

Tue 20/102:15 p.m. -

1 stop4h 25m

Sat 24/109:05 a.m. -

1 stop5h 18m

Deal found 5/9C$ 908

Tue 20/109:55 a.m. -

3 stops19h 25m

Tue 27/107:40 a.m. -

3 stops33h 55m

Deal found 5/9C$ 999

Sat 21/116:35 p.m. -

3 stops35h 00m

Tue 24/116:40 a.m. -

2 stops13h 20m

Deal found 3/9C$ 1,007

Sun 20/95:30 p.m. -

1 stop11h 50m

Sun 27/96:10 a.m. -

1 stop10h 25m

Deal found 3/9C$ 1,439

Find flight deals from USA to London

Round-trip from	C$ 400
One-way from	C$ 228

WestJet
8/10-15/10
2 total stops
21h 50m total
USA to London

Search Deals

WestJet
10/10-31/12
1 total stop
13h 20m 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

Sat 10/10

1:00 p.m.-4:45 p.m.

1 stop24h 45m

London

Wed 31/12

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

Nonstop0h 00m

C$ 228

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Sat 10/10

7:30 p.m.-7:40 p.m.

2 stops21h 10m

London

Wed 31/12

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

Nonstop0h 00m

C$ 250

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Fri 30/10

12:00 p.m.-8:37 a.m.

1 stop17h 37m

London

Wed 31/12

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

Nonstop0h 00m

C$ 252

TampaLondon

TPA Tampa - YXU London

TPAYXU

Tampa

Tue 20/10

6:15 a.m.-2:50 p.m.

2 stops8h 35m

London

Wed 31/12

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

Nonstop0h 00m

C$ 302

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Sat 3/10

8:10 a.m.-7:40 p.m.

1 stop8h 30m

London

Wed 31/12

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

Nonstop0h 00m

C$ 314

TampaLondon

TPA Tampa - YXU London

TPAYXU

Tampa

Sun 10/1

10:05 p.m.-8:37 a.m.

1 stop10h 32m

London

Wed 31/12

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

Nonstop0h 00m

C$ 327

OrlandoLondon

MCO Orlando - YXU London

MCOYXU

Orlando

Thu 1/10

5:19 p.m.-5:20 a.m.

2 stops36h 01m

London

Wed 31/12

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

Nonstop0h 00m

C$ 331

OrlandoLondon

MCO Orlando - YXU London

MCOYXU

Orlando

Thu 1/10

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

1 stop7h 50m

London

Wed 31/12

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

Nonstop0h 00m

C$ 350

TampaLondon

TPA Tampa - YXU London

TPAYXU

Tampa

Tue 20/10

9:00 a.m.-8:25 a.m.

3 stops23h 25m

London

Wed 31/12

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

Nonstop0h 00m

C$ 365

New YorkLondon

LGA New York LaGuardia - YXU London

LGAYXU

New York LaGuardia

Sat 3/10

9:55 a.m.-5:20 a.m.

2 stops19h 25m

London

Wed 31/12

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

Nonstop0h 00m

C$ 382

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

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.

SAN-YXU

SFO-YXU

TPA-YXU

ORD-YXU

MCO-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

TPA-YXU

ORD-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 and WestJet fly from USA to London, Ontario in about 7h 45m. The time it takes to get you to your destination can typically vary by up to 42m. 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 San Diego - London. You may also consider Newark - London or New York LaGuardia - 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$ 228

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 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 7 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 7 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 7 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 7 September 2026.

Last-minute flights from USA to LondonDiscover last-minute flight deals from USA to London. Data last updated 7 September 2026 and is based on user searches.

Discover last-minute flight deals from USA to London. Data last updated 7 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 7 September 2026.

Search for one-way flight options from USA to London. Find affordable one-way fares based on user searches. Data last updated 7 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 7 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 7 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 7 September 2026.

Last-minute flights from USA to London
Discover last-minute flight deals from USA to London. Data last updated 7 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 7 September 2026.