Cheapest return flights from Washington to Prague in September from $576

AirHint found the following cheapest return flights from Washington (IAD) to Prague (PRG) in September 2025 (see full year).

Return flights

23 Sep - 30 Sep Scandinavian Airlines
22 Sep - 30 Sep Turkish Airlines
24 Sep - 18 Oct Scandinavian Airlines
23 Sep - 18 Oct Scandinavian Airlines
29 Sep - 25 Oct Turkish Airlines
28 Sep - 04 Oct Turkish Airlines
22 Sep - 18 Oct Scandinavian Airlines
21 Sep - 24 Sep Scandinavian Airlines
30 Sep - 07 Oct Lufthansa
25 Sep - 18 Oct Turkish Airlines
28 Sep - 05 Oct SWISS
25 Sep - 02 Oct Lufthansa
29 Sep - 06 Oct Lufthansa
21 Sep - 28 Sep SWISS

Also check the deals for one-way flights from Washington to Prague in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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