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).

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

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

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 30% on flights from San Francisco to London. Saturday is the cheapest departure day at $548 round-trip on average, while Sunday is the most expensive at $777, a difference of $229. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

How long is a flight from San Francisco to London?

A nonstop flight from San Francisco to London takes 00m, covering 2,180 miles.

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 $469 to $1,010. That means the highest observed fare was about 2x higher than the lowest one.

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

One-way fares from San Francisco to London are currently higher than usual. Average one-way flight prices are about $290, which is 29% above the typical average for this route.

How much time can I save by choosing a different layover airport 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 starting from around $28 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 $579 to $777, with an average of $660 over the past 12 months. Anything below $579 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 $579 to $777. The lowest price found in the past 5 days was $469, on WestJet.

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

WestJet ($469) and Air Canada ($485) 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 $648. 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 3 months.

$193 CHEAP FLIGHTS from San Francisco to London (SFO - YXU)

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Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$469

Typical prices: $579-$777

WestJet

Sat 10/20Mon 10/22

SFO - YXU • 1 stop

Cheapest one-way

$193

Typical prices: $194-$269

WestJet

Fri 11/9

SFO - YXU • 1 stop

Nonstop 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 $648 (round-trip)

Toronto Pearson Intl (YYZ)

Shortest trip • 8h 19m (one-way)

Insights

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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

Tue, Oct 20 - Thu, Oct 22

6:00 am - 5:20 amSFO San Francisco-YXU London

20h 20m1 stop Calgary

6:10 am - 12:00 pmYXU London-SFO San Francisco

8h 50m1 stop Calgary

$469WestJet

Tue, Oct 20 - Thu, Oct 22

4:30 pm - 8:25 amSFO San Francisco-YXU London

12h 55m2 stops Vancouver Intl Toronto Pearson Intl

8:20 pm - 10:39 amYXU London-SFO San Francisco

17h 19m1 stop Toronto Pearson Intl

$485Air Canada

Tue, Oct 20 - Thu, Oct 22

4:30 pm - 8:25 amSFO San Francisco-YXU London

12h 55m2 stops Vancouver Intl Toronto Pearson Intl

8:20 pm - 11:17 amYXU London-SFO San Francisco

17h 57m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$499Air Canada

Tue, Oct 20 - Thu, Oct 22

7:30 pm - 5:43 pmSFO San Francisco-YXU London

19h 13m2 stops Vancouver Intl Toronto Pearson Intl

8:20 pm - 3:21 pmYXU London-SFO San Francisco

22h 01m2 stops Toronto Pearson Intl Vancouver Intl

$527Air Canada

Tue, Oct 20 - Thu, Oct 22

1:35 pm - 8:25 amSFO San Francisco-YXU London

15h 50m1 stop Toronto Pearson Intl

8:20 pm - 3:21 pmYXU London-SFO San Francisco

22h 01m2 stops Toronto Pearson Intl Vancouver Intl

$527Air Canada

Tue, Oct 20 - Thu, Oct 22

6:00 am - 5:20 amSFO San Francisco-YXU London

20h 20m1 stop Calgary

6:10 am - 12:00 pmYXU London-SFO San Francisco

8h 50m1 stop Calgary

$585WestJet

Mon, Oct 19 - Sat, Oct 31

1:00 pm - 5:20 amSFO San Francisco-YXU London

13h 20m1 stop Calgary

7:40 am - 9:30 amYXU London-SFO San Francisco

28h 50m2 stops Calgary Vancouver Intl

$590Multiple Airlines

Sat, Oct 17 - Sat, Oct 24

1:00 pm - 5:20 amSFO San Francisco-YXU London

13h 20m1 stop Calgary

6:10 am - 12:00 pmYXU London-SFO San Francisco

8h 50m1 stop Calgary

$649WestJet

Mon, Oct 19 - Sat, Oct 31

6:45 pm - 5:20 amSFO San Francisco-YXU London

31h 35m2 stops Vancouver Intl Calgary

7:40 am - 8:32 pmYXU London-SFO San Francisco

15h 52m2 stops Calgary Los Angeles

$774Multiple Airlines

Mon, Oct 19 - Sat, Oct 31

6:45 pm - 5:20 amSFO San Francisco-YXU London

31h 35m3 stops Vancouver Intl Kelowna Calgary

7:40 am - 8:32 pmYXU London-SFO San Francisco

15h 52m2 stops Calgary Los Angeles

$778Multiple Airlines

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 october.

Find deals

Low season	February
High season	July
Cheapest flight	$193

The most popular month to fly with an average 209% increase in travelers.

One-way 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.

What cabin classes can I book on flights from San Francisco to London?
Only Economy Class is available on flights from San Francisco to London.
How long is a flight from San Francisco to London?
A nonstop flight from San Francisco to London takes 00m, covering 2,180 miles.
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 $579 to $777, with an average of $660 over the past 12 months. Anything below $579 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 $469 to $1,010. That means the highest observed fare was about 2x higher than the lowest one.
How are flight prices from San Francisco to London looking right now?
One-way fares from San Francisco to London are currently higher than usual. Average one-way flight prices are about $290, which is 29% above the typical average for this route.
What car rental options are available at London Airport (YXU)?
London Airport (YXU) hosts 5 major car rental companies, with daily rates starting from around $28 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 30% on flights from San Francisco to London. Saturday is the cheapest departure day at $548 round-trip on average, while Sunday is the most expensive at $777, a difference of $229.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How much time can I save by choosing a different layover airport 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 Saturday departure and avoid flying on Sunday. On this route, Saturday flights average $548, about $229 less than Sunday fares (29% 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 $405 round-trip in that month - typically $338 less than the most expensive month, which is August (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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SFO - YXU

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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

Low season

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

Flights to other popular destinations

Find deals for your return flight