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Cheap flights from San Francisco Bay Area to London, ON from C$ 250

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YXU
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco Bay Area to London

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco Bay Area to London
Explore the most affordable flight options available from San Francisco Bay Area to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2026.

Thu 9/76:05 p.m.
SFO
-
YXU
1 stop8h 15m
WestJet
Tue 14/76:10 a.m.
YXU
-
SFO
1 stop8h 50m
WestJet
Deal found 16/4C$ 475
Fri 10/76:05 p.m.
SFO
-
YXU
1 stop8h 15m
WestJet
Tue 14/76:10 a.m.
YXU
-
SFO
1 stop8h 50m
WestJet
Deal found 15/4C$ 503
Sat 6/66:05 p.m.
SFO
-
YXU
1 stop8h 15m
WestJet
Thu 11/66:10 a.m.
YXU
-
SFO
1 stop13h 30m
WestJet
Deal found 16/4C$ 546
Sat 9/58:05 a.m.
SFO
-
YXU
2 stops10h 33m
Air Canada
Wed 13/55:10 a.m.
YXU
-
SFO
1 stop8h 40m
Air Canada
Deal found 13/4C$ 661
Fri 15/57:06 a.m.
SJC
-
YXU
2 stops19h 14m
Multiple Airlines
Sat 30/55:55 p.m.
YXU
-
SJC
2 stops32h 04m
Multiple Airlines
Deal found 17/4C$ 1,044
Thu 21/52:49 p.m.
SJC
-
YXU
2 stops11h 31m
WestJet
Tue 26/56:10 a.m.
YXU
-
SJC
2 stops12h 22m
WestJet
Deal found 16/4C$ 1,167
Fri 15/56:19 p.m.
SJC
-
YXU
2 stops20h 14m
United Airlines
Sat 30/55:10 a.m.
YXU
-
SJC
2 stops20h 20m
United Airlines
Deal found 14/4C$ 1,197
Sat 30/56:30 a.m.
SJC
-
YXU
2 stops12h 08m
United Airlines
Sat 6/63:30 p.m.
YXU
-
SJC
2 stops10h 00m
United Airlines
Deal found 15/4C$ 1,265
Thu 21/59:53 a.m.
SJC
-
YXU
2 stops16h 27m
WestJet
Mon 25/55:55 p.m.
YXU
-
SJC
2 stops24h 37m
WestJet
Deal found 16/4C$ 1,337
Thu 21/58:45 a.m.
SJC
-
YXU
2 stops21h 08m
Air Canada
Sun 24/55:10 a.m.
YXU
-
SJC
2 stops15h 24m
Air Canada
Deal found 16/4C$ 1,424
Thu 21/58:45 a.m.
SJC
-
YXU
2 stops21h 08m
Multiple Airlines
Sun 24/56:10 p.m.
YXU
-
SJC
3 stops22h 14m
Multiple Airlines
Deal found 16/4C$ 1,868

Find flight deals from San Francisco Bay Area to London

Keep the following information in mind while searching for San Francisco Bay Area to London flight deals. Data was last updated 17 April 2026.

Round-trip from

C$ 475

One-way from

C$ 250
WestJet
  • WestJet
  • 9/7-14/7
  • 2 total stops
  • 17h 05m total
  • San Francisco Bay Area to London
Search Deals
Air Canada
  • Air Canada
  • 4/8
  • 1 total stop
  • 7h 00m total
  • San Francisco Bay Area to London
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 April 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Thu 9/7

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

1 stop8h 15m

London

Tue 14/7

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

1 stop8h 50m

C$ 475

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Fri 10/7

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

1 stop8h 15m

London

Tue 14/7

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

1 stop8h 50m

C$ 503

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Sat 9/5

8:05 a.m.-9:38 p.m.

2 stops10h 33m

London

Wed 13/5

5:10 a.m.-10:50 a.m.

1 stop8h 40m

C$ 661

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Sat 9/5

10:42 p.m.-11:43 a.m.

1 stop10h 01m

London

Wed 13/5

5:10 a.m.-10:50 a.m.

1 stop8h 40m

C$ 767

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Sat 6/6

6:54 p.m.-2:58 p.m.

2 stops17h 04m

London

Thu 11/6

6:10 p.m.-1:42 a.m.

2 stops10h 32m

C$ 785

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Wed 27/5

6:45 p.m.-1:50 p.m.

2 stops40h 05m

London

Wed 3/6

6:10 a.m.-4:40 p.m.

1 stop13h 30m

C$ 817

San JoseLondon

SJC - YXU

SJCYXU

San Jose

Fri 15/5

7:06 a.m.-5:20 a.m.

2 stops19h 14m

London

Sat 30/5

5:55 p.m.-10:59 p.m.

2 stops32h 04m

C$ 1,044

San JoseLondon

SJC - YXU

SJCYXU

San Jose

Fri 15/5

6:19 p.m.-5:33 p.m.

2 stops20h 14m

London

Sat 30/5

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

2 stops20h 20m

C$ 1,197

San JoseLondon

SJC - YXU

SJCYXU

San Jose

Sat 30/5

6:30 a.m.-9:38 p.m.

2 stops12h 08m

London

Sat 6/6

3:30 p.m.-10:30 p.m.

2 stops10h 00m

C$ 1,265

San JoseLondon

SJC - YXU

SJCYXU

San Jose

Thu 21/5

9:53 a.m.-5:20 a.m.

2 stops16h 27m

London

Mon 25/5

5:55 p.m.-3:32 p.m.

2 stops24h 37m

C$ 1,337

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/4

Showing 1-10 of 17 resultsSorted by cheapest first
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Best time to book a flight from San Francisco Bay Area to London

Have a flexible travel schedule? Discover the best time to fly to London from San Francisco Bay Area with our price prediction graph.
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 San Francisco Bay Area to London
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to London from San Francisco Bay Area?

    If you book a flight to London from San Francisco Bay Area, you will be flying to London, which is the city’s only airport. London (YXU) is located 8.6 km from the centre of London.

  • How long is the flight from San Francisco Bay Area to London, Ontario?

    For as low as C$ 503, WestJet can have you in London, Ontario from San Francisco Bay Area in 8h 15m. The distance from San Francisco Bay Area to London, Ontario is about 3508 km. This flight may include one or multiple stops.

  • Can I find deals for flights from San Francisco Bay Area to London that include hotel bookings?

    Yes. In addition to deals on San Francisco Bay Area to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco Bay Area to London?

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

  • Can I find deals for business class flights from San Francisco Bay Area to London?

    Yes. Cheapflights offers flight deals from San Francisco Bay Area 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Port Stanley
Grand Bend

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Fly with Cheapflights

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How does Cheapflights help users find flights from San Francisco Bay Area to London?

Cheapflights makes it easy to find San Francisco Bay Area to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from San Francisco Bay Area to London?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from San Francisco Bay Area.

Can Cheapflights find flights from San Francisco Bay Area to London with no change fees?

Certainly. Search results for flights to London from San Francisco Bay Area shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Francisco Bay Area to London become cheaper?

Yes! Start tracking prices for San Francisco Bay Area to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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