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Cheap flights from San Francisco Bay Area to London, ON from C$ 214

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 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YXU
22 Mar — 29 Mar1
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 20 February 2026.

Sat 11/48:30 a.m.
SFO
-
YXU
1 stop9h 48m
Air Canada
Wed 15/49:25 a.m.
YXU
-
SFO
1 stop8h 55m
Air Canada
Deal found 17/2C$ 571
Thu 2/44:15 p.m.
SFO
-
YXU
1 stop13h 28m
Air Canada
Thu 9/45:10 a.m.
YXU
-
SFO
1 stop8h 45m
Air Canada
Deal found 16/2C$ 605
Fri 10/77:35 p.m.
SFO
-
YXU
2 stops13h 10m
Air Canada
Tue 14/76:00 a.m.
YXU
-
SFO
1 stop7h 42m
Air Canada
Deal found 17/2C$ 724
Fri 15/51:14 p.m.
SJC
-
YXU
2 stops13h 06m
Multiple Airlines
Sat 30/56:10 a.m.
YXU
-
SJC
2 stops20h 21m
Multiple Airlines
Deal found 20/2C$ 950
Fri 15/56:19 p.m.
SJC
-
YXU
2 stops20h 14m
Air Canada
Sat 30/56:00 a.m.
YXU
-
SJC
2 stops14h 30m
Air Canada
Deal found 19/2C$ 1,006
Wed 4/38:50 a.m.
SJC
-
YXU
2 stops9h 31m
Air Canada
Wed 18/35:10 a.m.
YXU
-
SJC
2 stops19h 06m
Air Canada
Deal found 16/2C$ 1,008
Wed 4/38:50 a.m.
SJC
-
YXU
2 stops9h 31m
United Airlines
Wed 18/35:10 a.m.
YXU
-
SJC
2 stops20h 49m
United Airlines
Deal found 19/2C$ 1,143
Fri 3/48:45 a.m.
SJC
-
YXU
2 stops20h 58m
United Airlines
Fri 10/49:25 a.m.
YXU
-
SJC
2 stops16h 11m
United Airlines
Deal found 17/2C$ 1,164
Thu 2/48:45 a.m.
SJC
-
YXU
2 stops20h 58m
United Airlines
Thu 9/49:25 a.m.
YXU
-
SJC
2 stops16h 11m
United Airlines
Deal found 16/2C$ 1,318
Sun 1/38:50 a.m.
SJC
-
YXU
2 stops9h 31m
United Airlines
Thu 5/39:40 a.m.
YXU
-
SJC
2 stops16h 16m
United Airlines
Deal found 16/2C$ 1,368
Sat 4/43:45 p.m.
SJC
-
YXU
2 stops26h 33m
United Airlines
Sat 11/49:25 a.m.
YXU
-
SJC
2 stops14h 42m
United Airlines
Deal found 18/2C$ 1,375

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 20 February 2026.

Round-trip from

C$ 571

One-way from

C$ 214
Air Canada
  • Air Canada
  • 11/4-15/4
  • 2 total stops
  • 18h 43m total
  • San Francisco Bay Area to London
Search Deals
Air Canada
  • Air Canada
  • 23/4
  • 1 total stop
  • 9h 48m 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 20 February 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to London that are best for you.

Fly from

San Francisco Bay Area

Fly to

London

Route

Depart

Return

Price

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Sat 11/4

8:30 a.m.-9:18 p.m.

1 stop9h 48m

London

Wed 15/4

9:25 a.m.-3:20 p.m.

1 stop8h 55m

C$ 571

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Thu 2/4

4:15 p.m.-8:43 a.m.

1 stop13h 28m

London

Thu 9/4

5:10 a.m.-10:55 a.m.

1 stop8h 45m

C$ 605

San JoseLondon

SJC - YXU

SJCYXU

San Jose

Fri 15/5

1:14 p.m.-5:20 a.m.

2 stops13h 06m

London

Sat 30/5

6:10 a.m.-11:31 p.m.

2 stops20h 21m

C$ 950

San JoseLondon

SJC - YXU

SJCYXU

San Jose

Wed 4/3

8:50 a.m.-9:21 p.m.

2 stops9h 31m

London

Wed 18/3

9:40 a.m.-10:59 p.m.

2 stops16h 19m

C$ 1,006

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

6:00 a.m.-5:30 p.m.

2 stops14h 30m

C$ 1,006

San JoseLondon

SJC - YXU

SJCYXU

San Jose

Wed 4/3

8:50 a.m.-9:21 p.m.

2 stops9h 31m

London

Wed 18/3

5:10 a.m.-9:16 p.m.

2 stops19h 06m

C$ 1,006

San JoseLondon

SJC - YXU

SJCYXU

San Jose

Fri 3/4

8:45 a.m.-8:43 a.m.

2 stops20h 58m

London

Fri 10/4

9:25 a.m.-10:36 p.m.

2 stops16h 11m

C$ 1,164

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Thu 23/4

8:30 a.m.-9:18 p.m.

1 stop9h 48m

C$ 214

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Sun 31/5

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

2 stops10h 33m

C$ 226

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Sat 30/5

6:00 a.m.-4:50 p.m.

1 stop7h 50m

C$ 233

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/2

Showing 1-10 of 21 results
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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

What is the cheapest month to book a flight from San Francisco Bay Area to London, Ontario?

Currently, February is the cheapest month in which you can book a flight from San Francisco Bay Area to London, Ontario (average of C$ 183). Flying from San Francisco Bay Area to London, Ontario in January is currently the most expensive (average of C$ 303). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$ 1,006, Air Canada can have you in London, Ontario from San Francisco Bay Area in 9h 31m. The distance from San Francisco Bay Area to London, Ontario is about 3483 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.

  • What is the cheapest month to book a flight from San Francisco Bay Area to London, Ontario?

    Currently, February is the cheapest month in which you can book a flight from San Francisco Bay Area to London, Ontario (average of C$ 183). Flying from San Francisco Bay Area to London, Ontario in January is currently the most expensive (average of C$ 303). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

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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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