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South Asia
Kolkata
India · CCU · 12,575.293 km from SF (via OAK)
Est. Jun 2026
$560
off-peak
Monsoon and pre-monsoon heat = deep fare discounts.
Winters are cool and dry; Durga Puja in autumn spikes demand.
Ready to book?
Suggested cheapest window June 2026 · 2026-06-07 → 2026-06-15
Or search June 2026: 2026-06-07 → 2026-06-15
June 2026 is off-peak
This is the cheap, quiet window. Expect lower fares, fewer crowds, and occasionally softer weather.
Why this season?
- Weatherdrives prices downJun, Jul, AugMonsoon
Heavy rains, waterlogging, cheap fares.
- Festivaldrives prices upOct, NovDurga Puja
Bengal's biggest festival — domestic travel spike, fares up.
- Weatherdrives prices upJan, Feb, DecCool dry winter
Best Kolkata weather; tourist and business peak overlap.
- Weatherdrives prices downApr, MayPre-monsoon heat
Kalbaisakhi storms and 40 C — bargain flights.
Weather through the year
12-month fare curve
12-month estimated fare curve
Range $560 – $1080
off-peak shoulder peak holiday spike
$1080
$1080
$720
$560
$560
$560
$560
$560
$720
$1080
$1080
$1080
J
F
M
A
M
J
J
A
S
O
N
D
Cheapest month
August
~$560 · off-peak
Most expensive
December
~$1080 · peak
Peak months
Jan, Feb, Oct, Nov, Dec
avoid these for budget