AirHint found the following cheapest return flights from Seattle (SEA) to Prague (PRG) in May 2026 (see full year).
Return flights
| 10 May - 19 May | Turkish Airlines | ||
| 04 May - 18 May | Turkish Airlines | ||
| 28 May - 04 Jun | Icelandair | ||
| 20 May - 27 May | Icelandair | ||
| 14 May - 28 May | Condor |
Also check the deals for one-way flights from Seattle to Prague in May.
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