AirHint found the following cheapest return flights from Kolkata (CCU) to San Francisco (SFO) in May 2026 (see full year).
Return flights
| 22 May - 26 Jun | Emirates | ||
| 25 May - 14 Jun | Emirates | ||
| 07 May - 20 May | Air India | ||
| 11 May - 15 May | Air India | ||
| 20 May - 29 May | Etihad Airways |
Also check the deals for one-way flights from Kolkata to San Francisco in May.
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