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

Two cabin classes are available on flights from London to San Francisco: • Economy Class • First Class

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) – 73% of one-stop connections • Calgary (YYC) – 27% of one-stop connections Together, these airports account for 100% of one-stop bookings on this route.

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

Yes. Being flexible with your travel dates can save you up to 71% on the London to San Francisco route. Tuesday is the cheapest departure day at C$ 492 round-trip on average, while Monday is the most expensive at C$ 1,674, a difference of C$ 1,182. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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.

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

A direct flight from London to San Francisco takes 0h 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 are flight prices from London to San Francisco looking right now?

One-way fares from London to San Francisco are currently lower than usual. Average one-way flight prices are about C$ 489, which is 6% below the typical average for this route.

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 26m, compared with 8h 30m 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.

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

San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around C$ 22 for economy cars. Top options include: • Thrifty • Europcar • Dollar • Hertz • Fox

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$ 485 to C$ 988, with an average of C$ 691 over the past 12 months. Anything below C$ 485 counts as a good deal.

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

Round-trip flights from London to San Francisco start at C$ 342. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 485 to C$ 988. The lowest price found in the past 5 days was C$ 342 on WestJet.

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

Tuesday is the cheapest day of the week to fly from London to San Francisco and is 29% cheaper than the average day. Monday is the most expensive day with flight prices 141% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest airline to fly from London to San Francisco?

WestJet (C$ 342) and Air Canada (C$ 564) are the cheapest airlines to fly round-trip from London to San Francisco according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from London to San Francisco?

Toronto Pearson Intl (YYZ) is the most popular layover for the London to San Francisco route. 73% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via YYZ.

What is the cheapest layover airport when flying from London to San Francisco?

Flights via Calgary (YYC) offer the most affordable fares, with an average round-trip price of C$ 634. Based on KAYAK data over the past 3 months.

When flying from London to San Francisco, which airport offers the shortest layover?

Calgary (YYC) had the shortest average connection time for London to San Francisco layovers at 301 minutes over the past 3 months.

C$ 299 CHEAP FLIGHTS from London to San Francisco (YXU - SFO)

Save 21% or more on flights. Compare deals from all over the web.

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Cheapest round-trip

C$ 342

Typical prices: C$ 485-C$ 988

WestJet

Mon 22/10Mon 29/10

YXU - SFO • 1 stop

Cheapest one-way flights

C$ 299

Typical prices: C$ 290-C$ 847

Air Canada

Wed 7/11

YXU - SFO • 1 stop

Direct flights

Not available

There are currently no direct flights between London and San Francisco. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

January

Cheapest • 38% price drop

April

Most popular

Good to know

Top layover airports

Calgary (YYC)

Cheapest • Avg C$ 634 (round-trip)

Toronto Pearson Intl (YYZ)

Shortest trip • 8h 30m (one-way)

Insights

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KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you enjoy your trip to San Francisco!

Flight Deals

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

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from London to San Francisco

Thu, 22 Oct - Thu, 29 Oct

6:10 a.m. - 12:00 p.m.YXU London-SFO San Francisco

8h 50m1 stop Calgary

5:40 p.m. - 6:35 a.m.SFO San Francisco-YXU London

9h 55m1 stop Calgary

C$ 342WestJet

Thu, 22 Oct - Thu, 29 Oct

6:10 a.m. - 12:00 p.m.YXU London-SFO San Francisco

8h 50m1 stop Calgary

5:40 p.m. - 6:35 a.m.SFO San Francisco-YXU London

9h 55m1 stop Calgary

C$ 538WestJet

Wed, 21 Oct - Thu, 29 Oct

6:10 a.m. - 12:00 p.m.YXU London-SFO San Francisco

8h 50m1 stop Calgary

5:40 p.m. - 6:35 a.m.SFO San Francisco-YXU London

9h 55m1 stop Calgary

C$ 544WestJet

Thu, 22 Oct - Wed, 28 Oct

3:30 p.m. - 6:41 a.m.YXU London-SFO San Francisco

18h 11m2 stops Toronto Pearson Intl Denver Intl

12:55 a.m. - 2:47 p.m.SFO San Francisco-YXU London

10h 52m2 stops Chicago O'Hare Intl Toronto Pearson Intl

C$ 564Air Canada

Thu, 22 Oct - Thu, 29 Oct

6:10 a.m. - 12:00 p.m.YXU London-SFO San Francisco

8h 50m1 stop Calgary

2:21 p.m. - 6:35 a.m.SFO San Francisco-YXU London

13h 14m2 stops Las Vegas Harry Reid Intl Calgary

C$ 565Multiple Airlines

Sat, 7 Nov - Sat, 7 Nov

5:30 a.m. - 11:10 a.m.YXU London-SFO San Francisco

8h 40m1 stop Toronto Pearson Intl

2:00 p.m. - 8:37 a.m.SFO San Francisco-YXU London

15h 37m1 stop Toronto Pearson Intl

C$ 589Air Canada

Sat, 31 Oct - Fri, 6 Nov

3:25 p.m. - 9:30 p.m.YXU London-SFO San Francisco

9h 05m1 stop Toronto Pearson Intl

4:40 p.m. - 8:37 a.m.SFO San Francisco-YXU London

12h 57m1 stop Toronto Pearson Intl

C$ 589Air Canada

Sun, 18 Oct - Sun, 25 Oct

6:10 a.m. - 12:00 p.m.YXU London-SFO San Francisco

8h 50m1 stop Calgary

5:40 p.m. - 6:35 a.m.SFO San Francisco-YXU London

9h 55m1 stop Calgary

C$ 609WestJet

Tue, 13 Oct - Tue, 20 Oct

8:20 p.m. - 7:24 p.m.YXU London-SFO San Francisco

26h 04m2 stops Toronto Pearson Intl Houston George Bush Intcntl

6:38 p.m. - 2:50 p.m.SFO San Francisco-YXU London

17h 12m2 stops Chicago O'Hare Intl Toronto Pearson Intl

C$ 614United Airlines

Tue, 13 Oct - Tue, 20 Oct

6:10 a.m. - 12:00 p.m.YXU London-SFO San Francisco

8h 50m1 stop Calgary

6:00 a.m. - 5:20 a.m.SFO San Francisco-YXU London

20h 20m1 stop Calgary

C$ 655WestJet

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 from London to San Francisco with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from London to San Francisco? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from London to San Francisco departing in october.
What's the cheapest day of the week to fly from London to San Francisco?: Tuesday is the cheapest day of the week to fly from London to San Francisco and is 29% cheaper than the average day. Monday is the most expensive day with flight prices 141% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Low season	January
High season	April
Cheapest flight	C$ 299

Best time to beat the crowds (38% less expensive on average)

Most popular time to fly and prices are also 30% lower on average.

Flights 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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which cabin classes can I book on flights from London to San Francisco?
Two cabin classes are available on flights from London to San Francisco:

• Economy Class
• First Class
How long does a flight from London to San Francisco take?
A direct flight from London to San Francisco takes 0h 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$ 485 to C$ 988, with an average of C$ 691 over the past 12 months. Anything below C$ 485 counts as a good deal.
How are flight prices from London to San Francisco looking right now?
One-way fares from London to San Francisco are currently lower than usual. Average one-way flight prices are about C$ 489, which is 6% below 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 starting from around C$ 22 for economy cars. Top options include:
• Thrifty
• Europcar
• 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) – 73% of one-stop connections
• Calgary (YYC) – 27% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.
Can I save money by using flexible dates for flights from London to San Francisco?
Yes. Being flexible with your travel dates can save you up to 71% on the London to San Francisco route. Tuesday is the cheapest departure day at C$ 492 round-trip on average, while Monday is the most expensive at C$ 1,674, a difference of C$ 1,182. KAYAK's flexible dates feature shows options up to 3 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 26m, compared with 8h 30m 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.

If your dates are flexible, aim for a Tuesday departure instead of Monday. On this route, Tuesday flights average C$ 492 – about C$ 1,182 less than Monday (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$ 425 round-trip in that month – typically C$ 1,243 less than the most expensive month, which is September (based on the last 12 months).

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YXU - SFO

C$ 299 Find Cheap Flights from London to San Francisco – Compare and Save

Everything you should know

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

Recent round-trip flight deals from London to San Francisco

Recent one-way flight deals from London to San Francisco

Recent last minute flight deals from London to San Francisco

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

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

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

What is the cheapest airline to fly from London to San Francisco?

What is the most popular layover airport when flying from London to San Francisco?

What is the cheapest layover airport when flying from London to San Francisco?

When flying from London to San Francisco, which airport offers the shortest layover?

Key details for London to San Francisco flights

Low season

High season

Cheapest flight

When to book flights from London to San Francisco

Your London to San Francisco flight questions, answered

Your guide to booking London to San Francisco flights

More options for your flight from London to San Francisco

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

Information on your arrival and departure airports

Cabin class types available on flights from London to San Francisco

Find direct flights to and from London and San Francisco

Flights from domestic origins to San Francisco

Flights to other popular destinations

Find deals for your return flight