CA $234 Cheap Flights from London (YXU) to San Francisco (SFO)

View CA $234 flight on Thu, Oct 2, 2025Opens in a new window

Popular airlines from London, ON (YXU-London Intl.) to San Francisco International Airport (SFO)

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Cheap flights from London (YXU) to San Francisco (SFO)

Prices were available within the past 7 days and start at CA $234 for one-way flights and CA $412 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Tue, Oct 7 - Sun, Oct 12
YXU
London
SFO
San Francisco
CA $412 Roundtrip, found 5 days ago
CA $412
Roundtrip
found 5 days ago
Select WestJet flight, departing Tue, Oct 7 from London to San Francisco, returning Sun, Oct 12, priced at CA $412 found 5 days ago
WestJet
Tue, Sep 23 - Tue, Sep 30
YXU
London
SFO
San Francisco
CA $412 Roundtrip, found 2 days ago
CA $412
Roundtrip
found 2 days ago
Select WestJet flight, departing Tue, Sep 23 from London to San Francisco, returning Tue, Sep 30, priced at CA $412 found 2 days ago
WestJet
Wed, Sep 17 - Sun, Sep 21
YXU
London
SFO
San Francisco
CA $423 Roundtrip, found 1 day ago
CA $423
Roundtrip
found 1 day ago
Select WestJet flight, departing Wed, Sep 17 from London to San Francisco, returning Sun, Sep 21, priced at CA $423 found 1 day ago
WestJet
Thu, Sep 11 - Mon, Sep 15
YXU
London
SFO
San Francisco
CA $433 Roundtrip, found 4 days ago
CA $433
Roundtrip
found 4 days ago
Select WestJet flight, departing Thu, Sep 11 from London to San Francisco, returning Mon, Sep 15, priced at CA $433 found 4 days ago
WestJet
Wed, Sep 10 - Fri, Sep 12
YXU
London
SFO
San Francisco
CA $433 Roundtrip, found 19 hours ago
CA $433
Roundtrip
found 19 hours ago
Select WestJet flight, departing Wed, Sep 10 from London to San Francisco, returning Fri, Sep 12, priced at CA $433 found 19 hours ago
Air Canada
Tue, Oct 7 - Sun, Oct 12
YXU
London
SFO
San Francisco
CA $452 Roundtrip, found 6 days ago
CA $452
Roundtrip
found 6 days ago
Select Air Canada flight, departing Tue, Oct 7 from London to San Francisco, returning Sun, Oct 12, priced at CA $452 found 6 days ago
WestJet
Sun, Sep 28 - Tue, Sep 30
YXU
London
SFO
San Francisco
CA $455 Roundtrip, found 2 days ago
CA $455
Roundtrip
found 2 days ago
Select WestJet flight, departing Sun, Sep 28 from London to San Francisco, returning Tue, Sep 30, priced at CA $455 found 2 days ago
Air Canada
Wed, Oct 22 - Mon, Nov 17
YXU
London
SFO
San Francisco
CA $462 Roundtrip, found 2 days ago
CA $462
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Oct 22 from London to San Francisco, returning Mon, Nov 17, priced at CA $462 found 2 days ago
Delta
Sun, Oct 5 - Mon, Oct 20
YXU
London
SFO
San Francisco
CA $500 Roundtrip, found 2 days ago
CA $500
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Oct 5 from London to San Francisco, returning Mon, Oct 20, priced at CA $500 found 2 days ago
United
Tue, Oct 28 - Sun, Nov 2
YXU
London
SFO
San Francisco
CA $566 Roundtrip, found 5 days ago
CA $566
Roundtrip
found 5 days ago
Select United flight, departing Tue, Oct 28 from London to San Francisco, returning Sun, Nov 2, priced at CA $566 found 5 days ago
Flight from London to San Francisco (YXU - SFO) route information
Origin airport
London Intl.
Destination airport
San Francisco Intl.
Airlines serving
Air Canada, Delta, United, WestJet
Roundtrip price
CA $411
Distance
3490 km

Frequently asked questions

How much is a flight from YXU to SFO?
Pack your bags, because round-trip journeys from London Intl. Airport to San Francisco Airport start from CA $412. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book now to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from YXU to SFO?
We understand that things come up unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from London Intl. Airport (YXU) to San Francisco Airport that have flexible change policies?
Flights from YXU to SFO offering flexible change policies are available with many carriers. Simply use our "No change fees" filter while searching. You'll only need to pay the difference in ticket price, without any extra fees to worry about.
How many hours is the flight from YXU to SFO?
There are lots of ways to make the 6 hours and 57 minutes between London Intl. Airport and San Francisco Airport go by quicker. Be productive and organize your camera roll or delete all those backed-up emails. A snooze also helps pass the time!
How far is the flight from YXU to San Francisco Airport?
Expect to be in the air for a while, as the flight distance between YXU and San Francisco Airport is 3,500 kilometres. Create a playlist of your favourite podcasts before you leave home to stay entertained during your trip.
Which airlines fly direct from London Intl. Airport (YXU) to San Francisco Airport?
At present, no airlines offer direct flights from YXU to San Francisco Intl. Airport (SFO). You'll have to book a flight with at least one stop. To get the best connections and price, lock in your airfare well ahead of time.
Are London Intl. Airport (YXU) to SFO flight tickets cheaper when they're purchased at the last minute?
Booking your trip from YXU to San Francisco Airport at the last minute could be your ticket to a cheap deal. However, you might miss out on a flight altogether! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

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