⚡ Fare recorded April 25, 2026 · Prices change daily

San Francisco to London flights

San Francisco (SFO) to London (LON): 5,354 miles (8,616 km) great-circle, about 11h 10m nonstop by our estimate. Cheapest fare observed: $910 round-trip on Frontier, with 2 stops, departing May 19, 2026.

F9FrontierF91448
Depart
SFO
San Francisco, USA
22:15
2026-05-19
✈
Arrive
LON
London, United Kingdom
Returns 14:00
2026-05-26
Stops
2 stops
Distance
5,354 mi
Est. nonstop time
11h 10m
Trip type
Round-trip
$910
Round-trip · per person
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About this flight

When did the cheapest San Francisco to London fare fly?

$910 round-trip, Frontier F91448, departing 2026-05-19 at 22:15, returning 2026-05-26. The recorded itinerary left on a Tuesday, returning on a Tuesday 7 nights later; the fare was observed 24 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.

Route facts

How far is San Francisco from London?

  • Distance: 5,354 miles (8,616 km) great-circle, heading northeast (measured to London Heathrow Airport, LHR).
  • Estimated nonstop flight time: about 11h 10m.
  • Departure airport: San Francisco International Airport (SFO), San Francisco, United States, UTC-7 on May 19, 2026.
  • Arrival: London (LON, all airports), United Kingdom, UTC+1 on May 19, 2026.
  • Time difference: London is 8 hours ahead of San Francisco on the recorded date.
  • Route type: international, United States to United Kingdom.
  • Recorded itinerary: Frontier F91448, 2 stops, round-trip, 7 days between departure and return.
Fare comparison

How does the San Francisco to London fare compare with other routes from SFO?

At $910, it ranked 20th of the 30 round-trip fares we recorded from SFO (median $646). That is 17.0 cents per great-circle mile (round-trip price over one-way distance), close to the SFO median of 16.9 cents across 30 round-trip routes.

Routes from SFO of similar length: Tokyo (5,148 mi) at $1049 and Paris (5,569 mi) at $827.

Frontier had the cheapest fare on 7 of 30 SFO routes. It is the 15th longest of the 30 routes we track from SFO.

Other ways in

What did other cities pay to fly to London?

Of 49 departure airports with a fare to London, San Francisco (SFO) ranked 37th at $910. Lowest: $46 from Dublin (DUB); highest: $1356 from Sydney (SYD); 14 nonstop. Cheapest-fare airlines (routes): Ryanair (7), easyJet (4), Etihad (4), Frontier (4), Air Canada (3) and WestJet (3), plus 19 more.

Entry requirements

Do you need a visa to fly to United Kingdom?

That depends on your passport and trip, so check the official source for United Kingdom: GOV.UK: check if you need a UK visa. Connecting elsewhere? Check that country's transit rules too.

Sources

Where do these numbers come from?

Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, Europe/London; flight time is our estimate.

FAQ

San Francisco to London flight questions

How far is San Francisco from London by plane?

+
San Francisco is about 5,354 miles (8,616 km) from London on a great-circle line from San Francisco International Airport (SFO) to London Heathrow Airport (LHR), heading northeast. LON is the city code that covers every commercial airport in London; distances on this page are measured to London Heathrow Airport (LHR). It is the 15th longest of the 30 routes we track from SFO. The recorded itinerary had 2 stops, so the distance flown was longer.

How long is the flight from San Francisco to London?

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About 11h 10m nonstop by our estimate for 5,354 miles (500 mph cruise plus 30 minutes, not a timetable). The recorded Frontier fare was with 2 stops. 49 airports in our feed had a fare to London; this one ranked 37th, and 14 of the 49 were nonstop.

What is the time difference between San Francisco and London?

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On May 19, 2026, San Francisco was on UTC-7 (America/Los_Angeles) and London on UTC+1 (Europe/London), so London was 8 hours ahead of San Francisco: noon in San Francisco was 20:00 in London. Both zones shift for daylight saving together, so the gap stays the same in January and July.

How much is a flight from San Francisco to London?

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As observed on April 25, 2026: $910 per person round-trip on Frontier flight F91448, departing May 19, 2026, returning May 26, 2026, with 2 stops. At $910, it ranked 20th of the 30 round-trip fares we recorded from SFO (median $646). That is 17.0 cents per great-circle mile (round-trip price over one-way distance), close to the SFO median of 16.9 cents across 30 round-trip routes. Prices change daily, so check the live fare.

Is there a nonstop flight from San Francisco to London?

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The cheapest recorded fare had 2 stops; our feed keeps only the cheapest fare per route, so a pricier nonstop may exist. Into London, 14 of the 49 recorded fares were nonstop. From SFO, 7 of 30 were. Routes from SFO of similar length: Tokyo (5,148 mi) at $1049 and Paris (5,569 mi) at $827.

Which airports serve flights from San Francisco to London?

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It departs San Francisco International Airport (SFO) in San Francisco, United States, and arrives at London (LON) in London, United Kingdom. LON is the city code that covers every commercial airport in London; distances on this page are measured to London Heathrow Airport (LHR). An international flight, United States to United Kingdom.

Where else near London can you fly from San Francisco?

Paris (PAR) $827Istanbul (IST) $1155Moscow (MOW) $1795Cairo (CAI) $685Astana (NQZ) $2003New York (NYC) $140All flights from San Francisco →

Other cities with flights to London

From Dublin (DUB) $46From Oslo (OSL) $46From Copenhagen (CPH) $48From Krakow (KRK) $57From Stockholm (ARN) $68From Porto (OPO) $72

Ready to fly?

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