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

WestJet, Air Canada, and United Airlines can get you from California to London, Ontario in just under 7h 45m. Your travel time can differ by up to 13h 53m. The distance from California to London, Ontario is about 3508 km. Both multi-stop and direct flights can be found to your destination and back.

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 California to London, Ontario?

The most popular route from California to London, Ontario is San Diego - London. You may also consider San Francisco - London or San Jose - London.

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

When flying from California to London, Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

London (YXU) is the airport you will fly into if you book a flight from California to London. It is only a 8.6 km journey from London (YXU) to London’s city centre.

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

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

How can I find direct flights from California to London?

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

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

Yes. Cheapflights offers flight deals from California 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$ 247+ Cheap Flights from California to London, ON

Cheap flight deals from California to London

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from California to London
Explore the most affordable flight options available from California to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Thu 22/106:00 a.m. -

1 stop7h 45m

Thu 29/107:40 a.m. -

1 stop12h 10m

Deal found 6/9C$ 499

Wed 18/114:40 p.m. -

1 stop12h 57m

Mon 23/113:25 p.m. -

1 stop9h 05m

Deal found 7/9C$ 522

Tue 20/106:00 a.m. -

1 stop20h 20m

Thu 22/106:10 a.m. -

1 stop8h 50m

Deal found 6/9C$ 543

Tue 17/114:55 p.m. -

2 stops18h 52m

Mon 23/115:30 a.m. -

1 stop10h 40m

Deal found 7/9C$ 560

Tue 6/105:05 p.m. -

2 stops21h 38m

Sat 10/108:20 p.m. -

2 stops22h 52m

Deal found 6/9C$ 560

Tue 20/104:30 p.m. -

2 stops12h 55m

Thu 22/108:20 p.m. -

2 stops22h 01m

Deal found 9/9C$ 575

Sat 24/104:50 p.m. -

2 stops12h 47m

Sat 31/103:25 p.m. -

2 stops10h 15m

Deal found 9/9C$ 579

Wed 7/106:05 p.m. -

1 stop8h 15m

Tue 13/106:10 a.m. -

2 stops17h 28m

Deal found 6/9C$ 649

Sat 24/107:41 p.m. -

3 stops16h 06m

Sat 31/103:25 p.m. -

2 stops10h 15m

Deal found 9/9C$ 730

Fri 9/108:45 a.m. -

2 stops20h 40m

Sat 10/103:30 p.m. -

2 stops21h 09m

Deal found 8/9C$ 1,317

Tue 6/103:30 p.m. -

1 stop10h 50m

Sat 10/106:10 a.m. -

2 stops16h 04m

Deal found 10/9C$ 1,382

Thu 8/106:30 a.m. -

2 stops12h 10m

Mon 12/106:20 p.m. -

2 stops31h 22m

Deal found 7/9C$ 1,441

Best flights from California to London
Discover carefully curated flight deals from California to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Thu 22/106:00 a.m. -

1 stop7h 45m

Thu 29/107:40 a.m. -

1 stop12h 10m

Deal found 6/9C$ 499

Tue 20/104:30 p.m. -

2 stops12h 55m

Thu 22/108:20 p.m. -

2 stops22h 01m

Deal found 9/9C$ 575

Thu 22/106:00 a.m. -

1 stop7h 45m

Thu 29/107:40 a.m. -

2 stops27h 39m

Deal found 6/9C$ 601

Sat 24/107:41 p.m. -

3 stops16h 06m

Sat 31/103:25 p.m. -

2 stops10h 15m

Deal found 9/9C$ 730

Tue 20/106:00 a.m. -

1 stop20h 20m

Thu 22/106:10 a.m. -

1 stop8h 50m

Deal found 10/9C$ 546

Sat 24/104:50 p.m. -

2 stops12h 47m

Sat 31/103:25 p.m. -

2 stops10h 15m

Deal found 9/9C$ 579

Tue 6/105:05 p.m. -

2 stops21h 38m

Sat 10/108:20 p.m. -

2 stops22h 52m

Deal found 9/9C$ 607

Sun 17/19:00 a.m. -

2 stops9h 47m

Thu 21/15:30 a.m. -

2 stops18h 41m

Deal found 8/9C$ 1,378

Tue 6/103:30 p.m. -

1 stop10h 50m

Sat 10/106:10 a.m. -

2 stops16h 04m

Deal found 10/9C$ 1,382

Thu 8/106:30 a.m. -

2 stops12h 10m

Mon 12/106:20 p.m. -

2 stops31h 22m

Deal found 7/9C$ 1,441

Fri 9/108:45 a.m. -

2 stops20h 40m

Sat 10/103:30 p.m. -

2 stops21h 09m

Deal found 8/9C$ 1,317

Sun 25/106:30 a.m. -

2 stops23h 07m

Sun 1/119:15 a.m. -

2 stops16h 44m

Deal found 10/9C$ 1,447

Tue 6/106:30 a.m. -

2 stops12h 10m

Tue 13/108:20 p.m. -

2 stops18h 41m

Deal found 8/9C$ 1,494

Fri 9/106:30 a.m. -

2 stops10h 10m

Sat 10/109:05 a.m. -

3 stops14h 43m

Deal found 8/9C$ 1,726

Find flight deals from California to London

Round-trip from	C$ 499
One-way from	C$ 247

WestJet
22/10-29/10
2 total stops
19h 55m total
California to London

Search Deals

WestJet
10/10-31/12
1 total stop
13h 20m total
California 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.-5:20 a.m.

1 stop13h 20m

London

Wed 31/12

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

Nonstop0h 00m

C$ 247

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Wed 18/11

8:25 a.m.-9:52 p.m.

1 stop10h 27m

London

Wed 31/12

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

Nonstop0h 00m

C$ 249

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Mon 12/10

10:30 p.m.-2:50 p.m.

2 stops13h 20m

London

Wed 31/12

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

Nonstop0h 00m

C$ 260

Quickest round-trip

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Fri 25/9

10:51 p.m.-9:20 a.m.

1 stop7h 29m

London

Wed 31/12

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

Nonstop0h 00m

C$ 267

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$ 267

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Mon 12/10

2:01 p.m.-5:20 a.m.

3 stops36h 19m

London

Wed 31/12

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

Nonstop0h 00m

C$ 287

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Thu 24/9

12:45 a.m.-5:43 p.m.

2 stops13h 58m

London

Wed 31/12

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

Nonstop0h 00m

C$ 336

San JoseLondon

SJC San Jose - YXU London

SJCYXU

San Jose

Fri 2/10

9:03 p.m.-5:20 a.m.

2 stops29h 17m

London

Wed 31/12

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

Nonstop0h 00m

C$ 369

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Thu 22/10

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

1 stop7h 45m

London

Thu 29/10

7:40 a.m.-4:50 p.m.

1 stop12h 10m

C$ 499

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$ 546

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 23 resultsSorted by cheapest first

Best time to book a flight from California to London

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

SFO-YXU

SAN-YXU

SJC-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 California to London

USCA-YXU

SFO-YXU

SAN-YXU

SJC-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 California?
London (YXU) is the airport you will fly into if you book a flight from California to London. It is only a 8.6 km journey from London (YXU) to London’s city centre.
How long is the flight from California to London, Ontario?
WestJet, Air Canada, and United Airlines can get you from California to London, Ontario in just under 7h 45m. Your travel time can differ by up to 13h 53m. The distance from California to London, Ontario is about 3508 km. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from California to London, Ontario?
The most popular route from California to London, Ontario is San Diego - London. You may also consider San Francisco - London or San Jose - London.
Can I find deals for flights from California to London that include hotel bookings?
Yes. In addition to deals on California to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from California to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to London.
Can I find deals for business class flights from California to London?
Yes. Cheapflights offers flight deals from California 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.

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Cheap flights from California to London, ON from C$ 247

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 California to London

Cheapest flights from California to LondonExplore the most affordable flight options available from California to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Explore the most affordable flight options available from California to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Best flights from California to LondonDiscover carefully curated flight deals from California to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Discover carefully curated flight deals from California to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Last-minute flights from California to LondonDiscover last-minute flight deals from California to London. Data last updated 11 September 2026 and is based on user searches.

Discover last-minute flight deals from California to London. Data last updated 11 September 2026 and is based on user searches.

One-way flights from California to LondonSearch for one-way flight options from California to London. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Search for one-way flight options from California to London. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Find flight deals from California to London

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Related info for your journey

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

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

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

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

How can I find direct flights from California to London?

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

Travelling to a place near London?

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Alternative routes for California 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 California to London by cabin class

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Other flights to London

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Cheapest flights from California to London
Explore the most affordable flight options available from California to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2026.

Best flights from California to London
Discover carefully curated flight deals from California to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2026.

Last-minute flights from California to London
Discover last-minute flight deals from California to London. Data last updated 11 September 2026 and is based on user searches.

One-way flights from California to London
Search for one-way flight options from California to London. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.