How long is the flight from San Francisco to London?

Non-stop flights on SFO → LHR are typically around 10 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.

Which airlines fly from San Francisco to London?

The main carriers on this route are British Airways, Virgin Atlantic, United, American. Codeshare and one-stop options add several more — the filter panel above shows every airline in the current fare set.

When is the cheapest time to fly from San Francisco to London?

Historically the lowest fares land in January, February, November. Summer (mid-June through mid-August) and the Christmas / New Year window are always peak. Mid-week departures (Tuesday–Thursday) typically beat weekend prices by 10–20%.

How far ahead should I book San Francisco to London?

Six to ten weeks ahead is the sweet spot for this route. Inside three weeks, fares tend to spike as airlines sell to last-minute business travellers. Award availability often opens 10–11 months out if you're booking on miles.

Can I book directly on destination.com?

The Book button on each fare opens the airline or OTA (Trip.com, Kiwi, Expedia, Booking, Priceline, etc.) that's actually selling that ticket. You complete payment there at the same price you saw here — we never add a markup.

SFO → LHR

San Francisco to London flights.

Live cached fares on San Francisco (SFO) → London (LHR), refreshed every 30 minutes. Non-stop and connecting itineraries side by side — compare airlines, times and stops, then book in one click.

Flying time
~10h non-stop
Airlines
British Airways, Virgin Atlantic, United, American
Cheapest months
January, February, November

Flex dates · cheapest nearby

Loading prices…

Read our best-time-to-book guide for SFO → LHR →Target price, booking window, weekday pattern.

See 30-day price history for SFO → LHR →Median fare, lows, and best-day patterns.

No cached fares for exactly 2026-07-24 → 2026-07-31. Showing recent fares on SFO → LHR — pick a different date in the calendar above or run a live search.

San Francisco → London · 21 fares12-month low · $364

Cached from Travelpayouts · filter & sort below

Showing 20 of 21 results

Cheapest
ITA Airways · AZ 641
OutboundSFO → LHRWed, Jul 15 · 10:15 PM· 14h 50m· 1 stop
$370
one-way
Book →
British Airways · BA 5606
OutboundSFO → LHRSat, Jul 18 · 4:20 AM· 12h 50m· 1 stop
$386
one-way
Book →
ITA Airways · AZ 641
OutboundSFO → LHRThu, Jul 16 · 10:15 PM· 14h 50m· 1 stop
$428
one-way
Book →
JetBlue · B6 734
OutboundSFO → LHRFri, Jul 10 · 10:18 PM· 12h 32m· 1 stop
$455
one-way
Book →
SAS · SK 936
OutboundSFO → LHRTue, Sep 1 · 11:45 PM· 13h 45m· 2 stops
ReturnLHR ← SFOTue, Sep 8 · 6:30 PM· 12h 45m· 1 stop
$747
total round-trip
Book →
SAS · SK 936
OutboundSFO → LHRMon, Aug 17 · 11:45 PM· 12h 15m· 1 stop
ReturnLHR ← SFOSat, Aug 22 · 5:40 AM· 12h 45m· 1 stop
$806
total round-trip
Book →
Air Canada · AC 567
OutboundSFO → LHRThu, Nov 19 · 10:45 PM· 11h 50m· 1 stop
ReturnLHR ← SFOThu, Nov 26 · 11:45 AM· 11h 15m· Non-stop
$827
total round-trip
Book →
United Airlines · UA 8514
OutboundSFO → LHRFri, Jan 1 · 4:30 PM· 12h 18m· 1 stop
ReturnLHR ← SFOFri, Jan 8 · 1:10 PM· 14h 38m· 1 stop
$847
total round-trip
Book →
TAP Portugal · TP 240
OutboundSFO → LHRWed, Jun 10 · 2:20 AM· 17h· 1 stop
ReturnLHR ← SFOSat, Jun 13 · 7:00 AM· 15h 15m· 1 stop
$880
total round-trip
Book →
United Airlines · UA 8506
OutboundSFO → LHRTue, Jun 16 · 11:30 PM· 11h 31m· 1 stop
ReturnLHR ← SFOTue, Jun 23 · 9:50 AM· 13h 25m· 1 stop
$936
total round-trip
Book →
Air Canada · AC 1769
OutboundSFO → LHRTue, Jun 23 · 11:30 PM· 11h 24m· 1 stop
ReturnLHR ← SFOTue, Jul 7 · 1:05 PM· 13h 21m· 1 stop
$959
total round-trip
Book →
Air Canada · AC 1769
OutboundSFO → LHRWed, Jul 15 · 11:30 PM· 11h 24m· 1 stop
ReturnLHR ← SFOWed, Jul 22 · 1:05 PM· 13h 21m· 1 stop
$1,019
total round-trip
Book →
United Airlines · UA 1141
OutboundSFO → LHRSat, Jul 18 · 5:35 AM· 12h 15m· 1 stop
ReturnLHR ← SFOTue, Jul 21 · 8:30 AM· 13h 41m· 1 stop
$1,023
total round-trip
Book →
Air Canada · AC 1769
OutboundSFO → LHRTue, Jun 9 · 11:30 PM· 11h 31m· 1 stop
ReturnLHR ← SFOTue, Jun 16 · 2:05 PM· 11h 57m· 1 stop
$1,169
total round-trip
Book →
JetBlue · B6 134
OutboundSFO → LHRTue, Jun 9 · 6:59 AM· 12h 39m· 1 stop
ReturnLHR ← SFOFri, Jun 12 · 2:00 PM· 12h 55m· 1 stop
$1,237
total round-trip
Book →
Turkish Airlines · TK 080
OutboundSFO → LHRThu, Jul 2 · 1:45 AM· 16h 55m· 1 stop
ReturnLHR ← SFOWed, Jul 8 · 9:40 PM· 17h 10m· 1 stop
$1,269
total round-trip
Book →
Frontier · F9 1448
OutboundSFO → LHRSun, Jun 14 · 5:10 AM· 14h 33m· 2 stops
ReturnLHR ← SFOSat, Jun 20 · 6:40 PM· 15h 8m· 2 stops
$1,285
total round-trip
Book →
Air Canada · AC 573
OutboundSFO → LHRSun, Jun 14 · 2:30 AM· 11h 35m· 1 stop
ReturnLHR ← SFOFri, Jun 26 · 6:25 AM· 13h 35m· 1 stop
$1,308
total round-trip
Book →
JetBlue · B6 1034
OutboundSFO → LHRMon, Jun 15 · 6:48 AM· 12h 33m· 1 stop
ReturnLHR ← SFOSat, Jun 27 · 6:40 PM· 14h 35m· 2 stops
$1,330
total round-trip
Book →
Air Canada · AC 8841
OutboundSFO → LHRThu, Jul 2 · 1:00 PM· 11h 25m· 1 stop
ReturnLHR ← SFOSat, Jul 4 · 7:15 AM· 15h 58m· 2 stops
$1,348
total round-trip
Book →

Try a nearby airport

Thin routes often have more options from a neighbouring airport.

Oakland (OAK) → London (LHR)

nearby origin

San Jose (SJC) → London (LHR)

nearby origin

San Francisco (SFO) → London (LGW)

nearby destination

About San Francisco → London

5-6 daily non-stops. Virgin Atlantic Upper Class and BA Club are the strongest premium-award options on the west-coast transatlantic.

Typical non-stop flying time is around 10 hours. Major carriers on this route include British Airways, Virgin Atlantic, United, American. Fares are usually cheapest in January, February, November — book 6–10 weeks ahead and avoid school-holiday peaks (late June–August, Christmas–New Year) for the best pricing.

Month-by-month price guide: San Francisco to London

Live cheapest round-trip fare cached on SFO → LHR for each of the next 12 months. Tap any month and run a live search to confirm.

Jun
Shoulder
from $880
Jul
Peak
from $1019
Aug
Low
from $806
Sep
Low
from $747
Oct
No data
Nov
Low
from $827
Dec
No data
Jan
Shoulder
from $847
Feb
No data
Mar
No data
Apr
No data
May
No data

Cheapest next 12 months: September from $747 round-trip. Run a live search →

Booking window tip

Long-haul fares are most predictable when booked 10-16 weeks ahead. Inside six weeks expect sharp increases, especially in premium cabins. If you're paying with miles, search 330+ days ahead when award inventory first loads.

Price drop alerts

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Where to stay

Once you’ve booked the flight, pick a London neighbourhood.

See where to stay in London →

Questions, answered

How long is the flight from San Francisco to London?
Non-stop flights on SFO → LHR are typically around 10 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.
Which airlines fly from San Francisco to London?
The main carriers on this route are British Airways, Virgin Atlantic, United, American. Codeshare and one-stop options add several more — the filter panel above shows every airline in the current fare set.
When is the cheapest time to fly from San Francisco to London?
Historically the lowest fares land in January, February, November. Summer (mid-June through mid-August) and the Christmas / New Year window are always peak. Mid-week departures (Tuesday–Thursday) typically beat weekend prices by 10–20%.
How far ahead should I book San Francisco to London?
Six to ten weeks ahead is the sweet spot for this route. Inside three weeks, fares tend to spike as airlines sell to last-minute business travellers. Award availability often opens 10–11 months out if you're booking on miles.
Can I book directly on destination.com?
The Book button on each fare opens the airline or OTA (Trip.com, Kiwi, Expedia, Booking, Priceline, etc.) that's actually selling that ticket. You complete payment there at the same price you saw here — we never add a markup.

Other ways to reach London

If your plans are flexible on the origin, these alternate departure airports also serve London on the routes we track.

Other popular routes

Keep planning

Complete your London trip

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