AirHint found the following cheapest return flights from Washington (IAD) to Prague (PRG) in April 2026 (see full year).
Return flights
| 19 Apr - 03 May | Scandinavian Airlines | ||
| 22 Apr - 06 May | TAP | ||
| 23 Apr - 03 May | TAP | ||
| 03 Apr - 12 Apr | TAP |
Also check the deals for one-way flights from Washington to Prague in April.
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