Cheapest return IAD–PRG flights, June

AirHint found the following cheapest return flights from Washington (IAD) to Prague (PRG) in June 2026 (see full year).

Return flights

02 Jun - 16 Jun Icelandair
03 Jun - 17 Jun Porter Airlines (Canada) Ltd
08 Jun - 15 Jun Porter Airlines (Canada) Ltd
08 Jun - 22 Jun Porter Airlines (Canada) Ltd
22 Jun - 06 Jul Austrian Airlines
25 Jun - 09 Jul Turkish Airlines
29 Jun - 27 Jul SWISS
02 Jun - 08 Jun British Airways
18 Jun - 28 Jun Porter Airlines (Canada) Ltd
18 Jun - 15 Jul Porter Airlines (Canada) Ltd

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

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