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Europe
London
UK · LHR · 8,599.097 km from SF (via OAK)
Est. Jul 2026
$890
peak
Jan to March often has the lowest transatlantic fares.
Cool wet winters; mild summers.
Ready to book?
Suggested cheapest window November 2026 · 2026-11-07 → 2026-11-15
Or search July 2026: 2026-07-07 → 2026-07-15
July 2026 is peak
Peak season. Expect premium fares, busy attractions, and the weather locals brag about.
Why this season?
- School breakdrives prices upJun, Jul, AugSummer + Wimbledon
UK school holidays + summer events.
- Holidaydrives prices upDecChristmas markets + theatre
Peak December despite cold weather.
- Weatherdrives prices downJan, Feb, MarCold drizzly winter
Cheapest transatlantic months.
- School breakdrives prices downNovHalf-term lull
Between autumn and Christmas surges.
Weather through the year
Typical weather by month
Open-Meteo averages · 2019–2023 · °F
avg high / lowrainy days
J
46°
36°
11d
F
50°
38°
11d
M
52°
40°
12d
A
57°
40°
7d
M
63°
47°
10d
J
70°
53°
12d
J
73°
57°
11d
A
73°
57°
8d
S
69°
54°
10d
O
60°
48°
15d
N
52°
42°
12d
D
48°
39°
14d
warmest 73°Fcoolest 46°F
12-month fare curve
12-month estimated fare curve
Range $460 – $890
off-peak shoulder peak holiday spike
$460
$460
$460
$590
$590
$890
$890
$890
$590
$590
$460
$890
J
F
M
A
M
J
J
A
S
O
N
D
Cheapest month
November
~$460 · off-peak
Most expensive
December
~$890 · peak
Peak months
Jun, Jul, Aug, Dec
avoid these for budget