YXU - SFO

C$ 314 Find Cheap Flights from London to San Francisco – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 556
Typical prices: C$ 480-C$ 828
Air Canada
Tue 23/1Sat 27/1
YXU - SFO • 1 stop
Cheapest one-way flights
C$ 314
Typical prices: C$ 268-C$ 839
Air Canada
Wed 5/12
YXU - SFO • 1 stop
Direct flights
There are currently no direct flights between London and San Francisco. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
Cheapest • 28% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 635 (round-trip)
Shortest trip • 8h 44m (one-way)
Insights
Insights
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We hope you enjoy your trip to San Francisco!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from London to San Francisco (YXU-SFO)

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

Recent round-trip flight deals from London to San Francisco

Sat, 23 Jan - Wed, 27 Jan
Air Canada Logo
3:20 p.m. - 9:20 p.m.YXU  London-SFO San Francisco
9h 00m1 stop Toronto Pearson Intl
Air Canada Logo
6:30 a.m. - 9:52 p.m.SFO  San Francisco-YXU London
12h 22m2 stops Vancouver Intl Toronto Pearson Intl
C$ 556Air Canada
Sat, 23 Jan - Wed, 27 Jan
Air Canada Logo
9:15 a.m. - 9:33 p.m.YXU  London-SFO San Francisco
15h 18m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:30 a.m. - 9:52 p.m.SFO  San Francisco-YXU London
12h 22m2 stops Vancouver Intl Toronto Pearson Intl
C$ 560Air Canada
Thu, 19 Nov - Thu, 3 Dec
Air Canada Logo
9:05 p.m. - 11:10 a.m.YXU  London-SFO San Francisco
17h 05m1 stop Toronto Pearson Intl
Air Canada Logo
8:25 a.m. - 8:27 p.m.SFO  San Francisco-YXU London
9h 02m1 stop Toronto Pearson Intl
C$ 593Air Canada
Fri, 12 Feb - Thu, 18 Feb
Air Canada Logo
9:15 a.m. - 3:40 p.m.YXU  London-SFO San Francisco
9h 25m1 stop Toronto Pearson Intl
Air Canada Logo
4:40 p.m. - 8:37 a.m.SFO  San Francisco-YXU London
12h 57m1 stop Toronto Pearson Intl
C$ 602Air Canada
Sat, 23 Jan - Wed, 27 Jan
Air Canada Logo
5:30 a.m. - 11:05 a.m.YXU  London-SFO San Francisco
8h 35m1 stop Toronto Pearson Intl
Air Canada Logo
12:00 p.m. - 8:37 a.m.SFO  San Francisco-YXU London
17h 37m1 stop Toronto Pearson Intl
C$ 606Air Canada
Mon, 16 Nov - Mon, 23 Nov
Air Canada Logo
9:05 p.m. - 11:10 a.m.YXU  London-SFO San Francisco
17h 05m1 stop Toronto Pearson Intl
Air Canada Logo
8:25 a.m. - 8:27 p.m.SFO  San Francisco-YXU London
9h 02m1 stop Toronto Pearson Intl
C$ 627Air Canada
Mon, 26 Apr - Thu, 29 Apr
United Airlines Logo
3:20 p.m. - 10:19 a.m.YXU  London-SFO San Francisco
21h 59m2 stops Toronto Pearson Intl Newark
United Airlines Logo
10:55 p.m. - 2:39 p.m.SFO  San Francisco-YXU London
12h 44m2 stops Washington, D.C. Dulles Intl Toronto Pearson Intl
C$ 718United Airlines
Thu, 19 Nov - Wed, 2 Dec
United Airlines Logo
9:05 p.m. - 11:10 a.m.YXU  London-SFO San Francisco
17h 05m1 stop Toronto Pearson Intl
United Airlines Logo
12:10 a.m. - 2:42 p.m.SFO  San Francisco-YXU London
11h 32m2 stops Chicago O'Hare Intl Toronto Pearson Intl
C$ 719United Airlines
Mon, 11 Jan - Wed, 13 Jan
Air Canada Logo
9:15 a.m. - 9:13 p.m.YXU  London-SFO San Francisco
14h 58m2 stops Toronto Pearson Intl Chicago O'Hare Intl
Air Canada Logo
10:40 p.m. - 2:42 p.m.SFO  San Francisco-YXU London
13h 02m2 stops Chicago O'Hare Intl Toronto Pearson Intl
C$ 728Air Canada
Mon, 26 Apr - Thu, 29 Apr
United Airlines Logo
3:20 p.m. - 10:19 a.m.YXU  London-SFO San Francisco
21h 59m2 stops Toronto Pearson Intl Newark
United Airlines Logo
4:40 p.m. - 8:29 a.m.SFO  San Francisco-YXU London
12h 49m1 stop Toronto Pearson Intl
C$ 728United Airlines
Booking Insights

Price, demand, and travel trends for London to San Francisco flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from London to San Francisco?

Round-trip flights from London to San Francisco typically range from C$ 480 to C$ 828. The lowest price found in the past 5 days was C$ 556, on Air Canada.

What's the cheapest day of the week to fly from London to San Francisco?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from London to San Francisco. It's 17% cheaper than the average day, while Monday is the most expensive, with prices 182% higher.

Key details for London to San Francisco flights

Low season

January

Cheapest flight

C$ 314
Beat the crowds with an average 42% drop in traveller numbers.
The most popular month to fly with an average 45% increase in traveller numbers.
One-way flight from London to San Francisco

When to book flights from London to San Francisco

Are your dates flexible? Find out the best times to travel from London to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your London to San Francisco flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from London to San Francisco?

    Only Economy Class is available on flights from London to San Francisco.

  • How long does a flight from London to San Francisco take?

    A direct flight from London to San Francisco takes 00m, covering 5,645 km.

  • Do I need a passport to fly from London to San Francisco?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a London to San Francisco flight?

    Round-trip flights from London to San Francisco range from C$ 480 to C$ 828, with an average of C$ 586 over the past 12 months. Anything below C$ 480 counts as a good deal.

  • Have flight prices from London to San Francisco changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 556 to C$ 1,824. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from London to San Francisco looking right now?

    One-way fares from London to San Francisco are currently higher than usual. Average one-way flight prices are about C$ 368, which is 10% above the typical average for this route.

  • What car rental options are available at San Francisco Airport (SFO)?

    San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates averaging C$ 88 for economy cars. Top options include:

    • Europcar
    • Thrifty
    • Dollar
    • Hertz
    • Fox

  • Which airports can I use when flying from London to San Francisco?

    Flights from London to San Francisco usually depart from London (YXU) and arrive at San Francisco (SFO).

  • Which airports do connecting flights from London to San Francisco pass through?

    Connecting flights from London to San Francisco most commonly pass through:

    • Toronto Pearson Intl (YYZ) – 64% of one-stop connections
    • Calgary (YYC) – 36% of one-stop connections

  • Can I save money by using flexible dates for flights from London to San Francisco?

    Yes. Flexible dates can save you up to 71% on flights from London to San Francisco. Tuesday is the cheapest departure day at C$ 487 round-trip on average, while Monday is the most expensive at C$ 1,659, a difference of C$ 1,172.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport when travelling from London to San Francisco?

    Flying via Calgary (YYC) gives the shortest average 1-stop total travel time at 8h 32m, compared with 8h 44m via Toronto Pearson Intl (YYZ).

  • What is the time difference between London and San Francisco?

    San Francisco is 3 hours behind London (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which popular places can I visit in San Francisco?

    Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square, and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

Your guide to booking London to San Francisco flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average C$ 487, about C$ 1,172 less than Monday fares (71% savings) based on the last 12 months.
  • If you can choose when to travel, plan your London to San Francisco trip for January. Fares historically average C$ 422 round-trip in that month – typically C$ 970 less than the most expensive month, which is August (based on the last 12 months).

More options for your flight from London to San Francisco

Complete your trip to San Francisco with a hotel stay or car rental