AirHint found the following cheapest one-way flights from Kolkata (CCU) to San Francisco (SFO) in April 2026 (see full year).
One-Way flights
| 22 Apr | Thai AirAsia | ||
| 23 Apr | Thai Lion Air | ||
| 24 Apr | Thai AirAsia | ||
| 29 Apr | Turkish Airlines | ||
| 28 Apr | China Eastern | ||
| 30 Apr | Qatar Airways | ||
| 27 Apr | IndiGo | ||
| 26 Apr | Thai AirAsia | ||
| 25 Apr | Thai AirAsia |
Also check the deals for return flights from Kolkata to San Francisco in April.
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