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Cheap Flights from San Francisco to London
Searching for flights from San Francisco to London that fit your budget?
Dates
Mon, Oct 26 – Wed, Oct 28
No. of travellers & Class
1 Traveller · Economy
Triwize compares major carriers to help you find cheap San Francisco to London flights fast. Explore round-trip, one-way, and last-minute deals from San Francisco International (SFO), Oakland (OAK), and San Jose (SJC) to London Heathrow (LHR) and London Gatwick (LGW).
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Cheapest Flights to Round trip
The card below shows the cheapest round-trip fares currently available. Updated every 24 hours.
Enter your travel dates to find the best prices
Thu, 9 Jul-Sat, 11 Jul
20:45SEA
17h 00mNon-stop
17:45SIN
09:00SIN
14h 10mNon-stop
08:10SEA
$715Economy · per person
Thu, 9 Jul-Sat, 11 Jul
08:45SEA
17h 00mNon-stop
17:45SIN
9:00SIN
14h 10mNon-stop
7:10SEA
$879Economy · per person
Thu, 9 Jul-Sat, 11 Jul
08:45SEA
17h 00mNon-stop
17:45SIN
9:00SIN
14h 10mNon-stop
7:10SEA
$879Economy · per person
Thu, 9 Jul-Sat, 11 Jul
23:40SFO
16h 35mNon-stop
06:15SIN
8:45SIN
15h 30mNon-stop
09:15SFO
$1,027Economy · per person
Thu, 9 Jul-Sat, 11 Jul
23:40SFO
17h 20mNon-stop
08:00SIN
10:10SIN
15h 05mNon-stop
09:15SFO
$1,058Economy · per person
Thu, 9 Jul-Sat, 11 Jul
11:10SFO
16h 25mNon-stop
18:35SIN
08:45SIN
15h 45mNon-stop
09:30SFO
$1,064Economy · per person
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Best Time to Book San Francisco to London flights
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What is the Cheapest Month to Fly from newyork to miami?January and September are typically the cheapest months to fly from newyork to newyork, according to fare data from Google Flights, Skyscanner, and momondo. Demand dips right after the holidays and again once summer ends, which tends to bring airfare deals down 15–25% versus peak months.
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When is the Cheapest Time to Book a Flight from newyork to newyork?Booking several weeks in advance can often help travelers find lower fares. Prices vary based on demand, seasonality, and availability.
Everything you need to know before you book
Quick Facts - Flights from San Francisco to London
Everything You Need to Know Before You Book.
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How to Find Cheap Flights from San Francisco to London
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01 Check multiple airportsCompare all three San Francisco airports since fares for the same dates can vary significantly by airport.
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02 Compare flexible datesCheck different departure and return dates to find lower fares from San Francisco to London.
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03 Book at the right timeCompare prices in advance and monitor fares for your San Francisco to London route.
A traveller’s guide
Airlines Flying From San Francisco to London
Several top international carriers fly nonstop between the San Francisco Bay Area and London, providing direct1Airline Name
JFK,LGA,EWR→MIA
New York's largest domestic carrier by seats; free Wi-Fi on most flights
2Delta Air Lines
JFK,LGA,EWR→MIA
Major US airline offering frequent flights between New York and Miami
3American Airlines
JFK,LGA,EWR→MIA
Large US carrier with extensive domestic and international connectivity
4United Airlines
JFK,EWR→MIA
Major US airline with a strong presence at Newark and New York airports
5JetBlue
JFK,LGA→MIA
New York-based airline known for free Wi-Fi and comfortable seating
6Southwest Airlines
LGA→MIA
US carrier offering flexible fares and free checked bags on eligible fares
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Frequently Asked Questions
How long is the flight from San Francisco to London?
Flying from San Francisco to London takes around 10 hours 15 minutes to 10 hours 50 minutes.
What is the cheapest month to fly from San Francisco to London?
Months like February and November offer cheap airfares.
Which airlines fly nonstop from San Francisco to London?
Nonstop flights between San Francisco (SFO) and London Heathrow (LHR) are provided by United Airlines, British Airways, and Virgin Atlantic.
Which London airport should I fly into from San Francisco?
Choose flying into London Heathrow (LHR) for maximum flight choices or pick London Gatwick (LGW) for lower ticket prices.
How far in advance should I book a flight from San Francisco to London?
Reserving your seats 2 to 4 months prior to departure can help in achieving low airfare deals.
Are there budget or last-minute flights from San Francisco to London?
Norse Atlantic Airways provides affordable nonstop routes, while one-stop flights through Aer Lingus or Icelandair offer budget-friendly options for last-minute bookings.
What is the distance between San Francisco and London?
The distance between San Francisco and London is approximately 5,350 miles (8,610 km) by air travel.
Is it cheaper to fly one-way or round-trip from San Francisco to London?
Booking a round-trip ticket is generally more cost-effective than buying one-way tickets on long-haul transatlantic routes.
Plan your Trip
Terms and Conditions : Fares are sourced across 500+ airlines and include all taxes, surcharges, and Triwize service fees. Displayed prices are subject to change until ticketed. Tickets are nonrefundable, nontransferable, and subject to airline restrictions; name changes are not permitted. Triwize Coins are earned on qualified bookings, hold no cash value, are non-transferable, and may be modified or discontinued at any time. See full Terms for details.