← back to map
South Asia
Colombo
Sri Lanka · CMB · 14,520.826 km from SF (via OAK)
Est. Dec 2026
$1510
peak
Shoulder months often bring the best value.
Two monsoons hit different coasts at different times.
Ready to book?
Suggested cheapest window June 2026 · 2026-06-07 → 2026-06-15
Or search December 2026: 2026-12-07 → 2026-12-15
December 2026 is peak
Peak season. Expect premium fares, busy attractions, and the weather locals brag about.
Why this season?
- Weatherdrives prices upJan, Feb, Mar, DecDry southwest coast
Western beaches at their best = peak.
- WeatherneutralJul, AugEast coast dry season
Arugam Bay surf + east-coast peak, west rainy.
- Weatherdrives prices downMay, Jun, Sep, OctMonsoon transitions
Best value months if you pick the right coast.
Weather through the year
Typical weather by month
Open-Meteo averages · 2019–2023 · °F
avg high / lowrainy days
J
87°
73°
10d
F
88°
74°
8d
M
88°
75°
17d
A
87°
77°
25d
M
85°
78°
29d
J
84°
78°
29d
J
84°
78°
26d
A
83°
78°
27d
S
83°
76°
29d
O
83°
76°
29d
N
84°
74°
25d
D
85°
74°
20d
warmest 88°Fcoolest 83°F
12-month fare curve
12-month estimated fare curve
Range $785 – $1510
off-peak shoulder peak holiday spike
$1510
$1510
$1510
$1005
$785
$785
$1005
$1005
$785
$785
$1005
$1510
J
F
M
A
M
J
J
A
S
O
N
D
Cheapest month
October
~$785 · off-peak
Most expensive
December
~$1510 · peak
Peak months
Jan, Feb, Mar, Dec
avoid these for budget