How does KAYAK find such low prices on flights from California to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to London.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from California is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from California to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to California with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$169 CHEAP FLIGHTS from California to London

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Cheap Flights from California to London

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from California to London

Thu, Aug 13 - Wed, Aug 19

1:00 pm - 1:50 pm

SFO

YXU

21h 50m

2 stops

6:10 am - 12:00 pm

YXU

SFO

8h 50m

1 stop

$336WestJet

Thu, Aug 13 - Wed, Aug 19

1:00 pm - 5:20 am

SFO

YXU

13h 20m

1 stop

6:10 am - 12:00 pm

YXU

SFO

8h 50m

1 stop

$340WestJet

Wed, Sep 23 - Sat, Sep 26

6:05 pm - 5:20 am

LAX

YXU

8h 15m

1 stop

6:10 am - 6:20 pm

YXU

LAX

15h 10m

2 stops

$362WestJet

Wed, Sep 23 - Sat, Sep 26

6:05 pm - 5:20 am

LAX

YXU

8h 15m

1 stop

6:10 am - 5:10 pm

YXU

LAX

14h 00m

1 stop

$363WestJet

Wed, Aug 12 - Tue, Aug 18

7:07 pm - 5:20 am

LAX

YXU

31h 13m

2 stops

6:10 am - 12:25 pm

YXU

LAX

9h 15m

1 stop

$400Multiple Airlines

Wed, Sep 23 - Sat, Sep 26

1:35 pm - 9:20 am

SFO

YXU

16h 45m

1 stop

5:40 am - 12:34 pm

YXU

SFO

9h 54m

1 stop

$430Air Canada

Tue, Sep 29 - Sat, Oct 3

7:00 am - 9:40 pm

SAN

YXU

11h 40m

2 stops

5:40 am - 12:16 pm

YXU

SAN

9h 36m

1 stop

$433Air Canada

Sun, Aug 30 - Sun, Sep 6

5:00 pm - 5:20 am

SAN

YXU

33h 20m

3 stops

5:40 am - 4:10 pm

YXU

SAN

13h 30m

2 stops

$441Multiple Airlines

Tue, Dec 1 - Sat, Dec 5

10:25 am - 2:42 pm

SMF

YXU

25h 17m

2 stops

5:30 am - 9:02 pm

YXU

SMF

18h 32m

2 stops

$870United Airlines

Tue, Dec 1 - Sat, Dec 5

10:25 am - 2:42 pm

SMF

YXU

25h 17m

2 stops

5:30 am - 9:02 pm

YXU

SMF

18h 32m

2 stops

$887United Airlines

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Cheapest flight	$169

Flight from San Francisco to London

How does KAYAK find such low prices on flights from California to London?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to London.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to London?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from California is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from California to London?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to California with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to London?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Grand Bend

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London (YXU)

YXU

$169 Find Cheap Flights from California to London - Compare and Save

Cheap Flights from California to London

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