AirHint found the following cheapest return flights from Kolkata (CCU) to San Francisco (SFO) in November 2025 (see full year).
Return flights
| 14 Nov - 28 Nov | Qatar Airways | ||
| 12 Nov - 19 Nov | Air India | ||
| 16 Nov - 22 Dec | Flexflight | ||
| 15 Nov - 22 Dec | Etihad Airways | ||
| 17 Nov - 22 Dec | Qatar Airways |
Also check the deals for one-way flights from Kolkata to San Francisco in November.
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