cached prices · United States fares · USD
The cheapest one-way fare from San Francisco to London we have seen is $322 USD, departing Sep 26 (found Sep 25): JetBlue B6 016, 1 stop, 16h16m.
Cheapest seen · One wayfound Sep 25
$322 USD
JetBlue B6 016 · Sep 26 · 1 stop · 16h16m
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Cheapest round trip seen
$690 USD
TAP Portugal TP 238 · Oct 21 → Oct 26 · 2 stops · 33h35m in all, both ways
about this route
By month, Jan 2027 is the cheapest we hold at $308 USD and Dec 2026 the most expensive at $470 USD — a spread of 53%.
Nonstop fares are held for 10 of the 11 departure dates seen; carriers seen: American Airlines, Air Canada, Alaska Airlines, JetBlue, British Airways, Frontier, KLM, Lufthansa, TAP Portugal, United, Virgin Atlantic, WestJet.
SFO serves San Francisco, United States; LHR serves London, United Kingdom.
London runs 8 hours ahead of San Francisco.
by month
Sep 2026
$322 USD
checked Sep 26
Oct 2026
$341 USD
checked Sep 26
Nov 2026
$324 USD
checked Sep 26
Dec 2026
$470 USD
checked Sep 26
Jan 2027
$308 USD
checked Sep 26
by date
21 rows held, cheapest first — the cheapest nonstop and the cheapest with stops seen for each departure date.
Sep 26 · 20:29 SFO
B60161 stop · 16h16m
found Sep 25 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Nov 14 · 14:55 SFO
B64161 stop · 22h00m
found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Nov 13 · 07:30 SFO
B64341 stop · 15h25m
found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Nov 29 · 11:25 SFO
AC5652 stops · 17h25m
found Sep 21 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Nov 8 · 23:58 SFO
B66161 stop · 13h42m
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Nov 7 · 06:00 SFO
B610341 stop · 16h55m
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 21 · 07:59 SFO
B64341 stop · 14h31m
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 7 · 06:00 SFO
B61161 stop · 19h30m
found Sep 22 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Nov 13 · 12:50 SFO
UA9105Nonstop · 10h35m
found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Nov 14 · 12:50 SFO
UA9105Nonstop · 10h35m
found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Sep 28 · 22:24 SFO
F944022 stops · 27h06m
found Sep 22 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 8 · 06:00 SFO
WS14991 stop · 22h05m
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Nov 8 · 16:40 SFO
VS20Nonstop · 10h15m
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Nov 29 · 16:40 SFO
KL4813Nonstop · 10h15m
found Sep 21 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 7 · 17:55 SFO
KL4813Nonstop · 10h20m
found Sep 22 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 21 · 12:55 SFO
UA901Nonstop · 10h30m
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Nov 7 · 16:40 SFO
VS20Nonstop · 10h15m
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Sep 27 · 22:05 SFO
F914482 stops · 39h20m
found Sep 22 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Sep 28 · 16:35 SFO
BA284Nonstop · 10h25m
found Sep 22 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Sep 26 · 16:35 SFO
BA284Nonstop · 10h25m
found Sep 25 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 8 · 17:55 SFO
VS20Nonstop · 10h20m
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
round trips
The cheapest out-and-back pairs the cache holds, any dates.
Oct 21 → Oct 26 · 16:35 SFO
TP2382 stops · 33h35m in all, both ways
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 22 → Oct 29 · 16:30 SFO
TP2382 stops · 45h25m in all, both ways
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 13 → Oct 22 · 08:10 SFO
AC7562 stops · 29h50m in all, both ways
found Sep 23 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 13 → Oct 22 · 16:45 SFO
UA9103Nonstop · 21h25m in all, both ways
found Sep 23 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Mar 3 → Mar 10 · 16:35 SFO
TP2382 stops · 35h05m in all, both ways
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 23 → Oct 30 · 12:15 SFO
AC5672 stops · 32h36m in all, both ways
found Sep 23 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 21 → Oct 27 · 16:35 SFO
TP2382 stops · 45h25m in all, both ways
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 23 → Oct 30 · 19:45 SFO
UA9100Nonstop · 21h35m in all, both ways
found Sep 23 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 9 → Oct 30 · 14:15 SFO
VS19022 stops · 28h03m in all, both ways
found Sep 21 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 9 → Oct 30 · 16:45 SFO
UA9103Nonstop · 21h35m in all, both ways
found Sep 21 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Nov 21 → Nov 29 · 16:55 SFO
AC5712 stops · 60h05m in all, both ways
found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Mar 3 → Mar 10 · 16:40 SFO
VS20Nonstop · 21h40m in all, both ways
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 22 → Oct 29 · 16:35 SFO
BA284Nonstop · 21h35m in all, both ways
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
$1,025 USD
Continue on the seller's site — $1,025a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 21 → Oct 27 · 16:35 SFO
BA284Nonstop · 21h35m in all, both ways
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
$1,142 USD
Continue on the seller's site — $1,142a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Dec 19 → Dec 24 · 17:20 SFO
AA83242 stops · 52h01m in all, both ways
found Sep 20 · baggage and fare rules are shown by the seller — this price is the cached fare only
$1,178 USD
Continue on the seller's site — $1,178a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 21 → Oct 26 · 12:55 SFO
UA901Nonstop · 21h40m in all, both ways
found Sep 24 · baggage and fare rules are shown by the seller — this price is the cached fare only
$1,197 USD
Continue on the seller's site — $1,197a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Dec 27 → Jan 3 · 21:40 SFO
LH4592 stops · 50h50m in all, both ways
found Sep 22 · baggage and fare rules are shown by the seller — this price is the cached fare only
$1,218 USD
Continue on the seller's site — $1,218a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Dec 19 → Dec 24 · 20:35 SFO
BA286Nonstop · 21h45m in all, both ways
found Sep 20 · baggage and fare rules are shown by the seller — this price is the cached fare only
$1,234 USD
Continue on the seller's site — $1,234a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Dec 18 → Dec 25 · 16:40 SFO
AC7442 stops · 45h29m in all, both ways
found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only
$1,293 USD
Continue on the seller's site — $1,293a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Dec 18 → Dec 25 · 16:40 SFO
VS020Nonstop · 21h15m in all, both ways
found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only
$1,445 USD
Continue on the seller's site — $1,445a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Dec 27 → Jan 3 · 12:50 SFO
UA9105Nonstop · 21h50m in all, both ways
found Sep 22 · baggage and fare rules are shown by the seller — this price is the cached fare only
$1,858 USD
Continue on the seller's site — $1,858a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Nov 21 → Nov 29 · 20:35 SFO
AA6997Nonstop · 21h45m in all, both ways
found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only
$1,981 USD
Continue on the seller's site — $1,981a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
carriers
Marketing carriers; the operating airline is shown by the seller.
questions
more routes
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Other origins with a cached fare to this destination, cheapest first.