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

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

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

Connecting flights from San Francisco to London most commonly pass through: • Calgary (YYC) – 74% of one-stop connections • Toronto Pearson Intl (YYZ) – 26% of one-stop connections

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

Yes. Flexible dates can save you up to 39% on flights from San Francisco to London. Thursday is the cheapest departure day at C$ 672 round-trip on average, while Sunday is the most expensive at C$ 1,085, a difference of C$ 413. 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 long does a flight from San Francisco to London take?

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

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

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.

Have flight prices from San Francisco to London 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$ 573 to C$ 2,373. That means the highest observed fare was about 4x higher than the lowest one.

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

Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 8h 19m, compared with 9h via Calgary (YYC).

What is the time difference between San Francisco and London?

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

What car rental options are available at London Airport (YXU)?

London Airport (YXU) hosts 5 major car rental companies, with daily rates averaging C$ 84 for economy cars. Top options include: • Alamo • Enterprise Rent-A-Car • Budget • National • Avis

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

Round-trip flights from San Francisco to London range from C$ 756 to C$ 1,085, with an average of C$ 922 over the past 12 months. Anything below C$ 756 counts as a good deal.

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

Round-trip flights from San Francisco to London typically range from C$ 756 to C$ 1,085. The lowest price found in the past 5 days was C$ 573, on Air Canada.

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

Air Canada (C$ 573) and WestJet (C$ 753) are the cheapest airlines to fly round-trip from San Francisco to London according to KAYAK data over the last 5 days.

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

Calgary (YYC) is the most popular layover for the San Francisco to London route. 74% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via YYC.

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

Flights via Calgary (YYC) offer the most affordable fares, with an average round-trip price of C$ 904. Based on KAYAK data over the past 3 months.

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

Toronto Pearson Intl (YYZ) had the shortest average connection time for San Francisco to London layovers at 5h 26m over the past three months.

C$ 573 CHEAP FLIGHTS from San Francisco to London (SFO - YXU)

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Cheapest round-trip

C$ 573

Typical prices: C$ 756-C$ 1,085

Air Canada

Thu 18/1Sun 21/1

SFO - YXU • 2 stops

Direct flights

Not available

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

Insights

When to travel

June

Cheapest • 39% price drop

July

Most popular

Good to know

Top layover airports

Calgary (YYC)

Cheapest • Avg C$ 904 (round-trip)

Toronto Pearson Intl (YYZ)

Shortest trip • 8h 19m (one-way)

Insights

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We hope you enjoy your trip to London!

Flight Deals

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

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 San Francisco to London

Mon, 18 Jan - Thu, 21 Jan

6:30 a.m. - 9:52 p.m.SFO San Francisco-YXU London

12h 22m2 stops Vancouver Intl Toronto Pearson Intl

3:20 p.m. - 9:20 p.m.YXU London-SFO San Francisco

9h 00m1 stop Toronto Pearson Intl

C$ 573Air Canada

Mon, 18 Jan - Thu, 21 Jan

6:30 a.m. - 9:52 p.m.SFO San Francisco-YXU London

12h 22m2 stops Vancouver Intl Toronto Pearson Intl

5:30 a.m. - 1:51 p.m.YXU London-SFO San Francisco

11h 21m2 stops Toronto Pearson Intl Vancouver Intl

C$ 580Air Canada

Mon, 18 Jan - Thu, 21 Jan

12:00 p.m. - 8:37 a.m.SFO San Francisco-YXU London

17h 37m1 stop Toronto Pearson Intl

9:15 a.m. - 3:40 p.m.YXU London-SFO San Francisco

9h 25m1 stop Toronto Pearson Intl

C$ 598Air Canada

Mon, 18 Jan - Thu, 21 Jan

6:30 a.m. - 9:52 p.m.SFO San Francisco-YXU London

12h 22m2 stops Vancouver Intl Toronto Pearson Intl

3:20 p.m. - 9:20 p.m.YXU London-SFO San Francisco

9h 00m1 stop Toronto Pearson Intl

C$ 672Air Canada

Mon, 18 Jan - Thu, 21 Jan

6:30 a.m. - 9:52 p.m.SFO San Francisco-YXU London

12h 22m2 stops Vancouver Intl Toronto Pearson Intl

5:30 a.m. - 1:51 p.m.YXU London-SFO San Francisco

11h 21m2 stops Toronto Pearson Intl Vancouver Intl

C$ 679Air Canada

Mon, 18 Jan - Thu, 21 Jan

12:00 p.m. - 8:37 a.m.SFO San Francisco-YXU London

17h 37m1 stop Toronto Pearson Intl

9:15 a.m. - 3:40 p.m.YXU London-SFO San Francisco

9h 25m1 stop Toronto Pearson Intl

C$ 697Air Canada

Mon, 18 Jan - Thu, 21 Jan

4:40 p.m. - 5:35 a.m.SFO San Francisco-YXU London

9h 55m1 stop Calgary

6:40 a.m. - 3:50 p.m.YXU London-SFO San Francisco

12h 10m1 stop Calgary

C$ 753WestJet

Thu, 12 Nov - Sun, 22 Nov

8:25 a.m. - 8:27 p.m.SFO San Francisco-YXU London

9h 02m1 stop Toronto Pearson Intl

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

9h 05m1 stop Toronto Pearson Intl

C$ 793Air Canada

Mon, 18 Jan - Thu, 21 Jan

6:30 a.m. - 9:52 p.m.SFO San Francisco-YXU London

12h 22m2 stops Vancouver Intl Toronto Pearson Intl

3:20 p.m. - 9:20 p.m.YXU London-SFO San Francisco

9h 00m1 stop Toronto Pearson Intl

C$ 834Air Canada

Mon, 18 Jan - Thu, 21 Jan

6:30 a.m. - 9:52 p.m.SFO San Francisco-YXU London

12h 22m2 stops Vancouver Intl Toronto Pearson Intl

5:30 a.m. - 1:51 p.m.YXU London-SFO San Francisco

11h 21m2 stops Toronto Pearson Intl Vancouver Intl

C$ 841Air Canada

Booking Insights

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

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

Prices

Airlines

Layovers

How much is a round-trip flight from San Francisco to London? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Francisco to London departing in january.

Find deals

High season	July
Cheapest flight	C$ 573

The most popular month to fly with an average 129% increase in traveller numbers.

Round-trip flight from San Francisco to London

When to book flights from San Francisco to London

Are your dates flexible? Find out the best times to travel from San Francisco to London 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.

How long does a flight from San Francisco to London take?
A direct flight from San Francisco to London takes 00m, covering 5,645 km.
Do I need a passport to fly from San Francisco to London?
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 San Francisco to London flight?
Round-trip flights from San Francisco to London range from C$ 756 to C$ 1,085, with an average of C$ 922 over the past 12 months. Anything below C$ 756 counts as a good deal.
Have flight prices from San Francisco to London 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$ 573 to C$ 2,373. That means the highest observed fare was about 4x higher than the lowest one.
What car rental options are available at London Airport (YXU)?
London Airport (YXU) hosts 5 major car rental companies, with daily rates averaging C$ 84 for economy cars. Top options include:

• Alamo
• Enterprise Rent-A-Car
• Budget
• National
• Avis
Which airports can I use when flying from San Francisco to London?
Flights from San Francisco to London usually depart from San Francisco (SFO) and arrive at London (YXU).
Which airports do connecting flights from San Francisco to London pass through?
Connecting flights from San Francisco to London most commonly pass through:

• Calgary (YYC) – 74% of one-stop connections
• Toronto Pearson Intl (YYZ) – 26% of one-stop connections
Can I save money by using flexible dates for flights from San Francisco to London?
Yes. Flexible dates can save you up to 39% on flights from San Francisco to London. Thursday is the cheapest departure day at C$ 672 round-trip on average, while Sunday is the most expensive at C$ 1,085, a difference of C$ 413.

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 San Francisco to London?
Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 8h 19m, compared with 9h via Calgary (YYC).
What is the time difference between San Francisco and London?
London is 3 hours ahead of San Francisco (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average C$ 672, about C$ 413 less than Sunday fares (38% savings) based on the last 12 months.
If you can choose when to travel, plan your San Francisco to London trip for June. Fares historically average C$ 566 round-trip in that month – typically C$ 945 less than the most expensive month, which is December (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to London Airport.

• Best Western London Airport Inn & Suites
• London residency inn

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C$ 573 Find Cheap Flights from San Francisco to London – Compare and Save

Everything you should know

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

Recent round-trip flight deals from San Francisco to London

Recent one-way flight deals from San Francisco to London

Recent last minute flight deals from San Francisco to London

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

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

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

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

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

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

Key details for San Francisco to London flights

High season

Cheapest flight

When to book flights from San Francisco to London

Your San Francisco to London flight questions, answered

Your guide to booking San Francisco to London flights

More options for your flight from San Francisco to London

Complete your trip to London with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from San Francisco to London

Find direct flights to and from San Francisco and London

Flights from domestic origins to London

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