AirHint found the following cheapest return flights from Boston (BOS) to Prague (PRG) in May 2026 (see full year).
Return flights
| 03 May - 14 May | Aer Lingus | ||
| 05 May - 19 May | Aer Lingus | ||
| 06 May - 20 May | Aer Lingus | ||
| 19 May - 27 May | Lufthansa | ||
| 21 May - 26 May | Scandinavian Airlines | ||
| 02 May - 16 May | Aer Lingus | ||
| 20 May - 26 May | SWISS |
Also check the deals for one-way flights from Boston to Prague in May.
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