AirHint found the following cheapest return flights from San Francisco (SFO) to Warsaw (WAW) in April 2026 (see full year).
Return flights
| 29 Apr - 23 May | Scandinavian Airlines | ||
| 04 Apr - 14 Apr | United | ||
| 08 Apr - 15 Apr | LOT | ||
| 23 Apr - 30 Apr | LOT | ||
| 13 Apr - 20 Apr | LOT | ||
| 18 Apr - 25 Apr | LOT |
Also check the deals for one-way flights from San Francisco to Warsaw in April.
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