Cheapest return ORD–PRG flights, September

AirHint found the following cheapest return flights from Chicago (ORD) to Prague (PRG) in September 2026 (see full year).

Return flights

15 Sep - 29 Sep Turkish Airlines
08 Sep - 23 Sep Turkish Airlines
09 Sep - 16 Sep Turkish Airlines
08 Sep - 16 Sep Turkish Airlines
09 Sep - 14 Sep Turkish Airlines
23 Sep - 26 Sep Air Serbia
18 Sep - 02 Oct Turkish Airlines
23 Sep - 30 Sep Scandinavian Airlines
08 Sep - 15 Sep Scandinavian Airlines
02 Sep - 09 Sep British Airways
14 Sep - 21 Sep Scandinavian Airlines

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

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