AirHint found the following cheapest return flights from San Francisco (SFO) to Warsaw (WAW) in May 2026 (see full year).
Return flights
| 28 May - 07 Jun | TAP | ||
| 23 May - 13 Jun | Air Canada | ||
| 13 May - 20 May | Alaska Airlines | ||
| 03 May - 10 May | LOT |
Also check the deals for one-way flights from San Francisco to Warsaw in May.
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