Cheapest return flights from Boston to Prague in September from $406

Best time to book flights for Boston (BOS) to Prague (PRG) flights at AirHint

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

Return flights

01 Sep - 08 Sep Scandinavian Airlines
02 Sep - 09 Sep Scandinavian Airlines
03 Sep - 10 Sep Scandinavian Airlines
03 Sep - 09 Sep Scandinavian Airlines
10 Sep - 24 Sep Scandinavian Airlines
28 Sep - 12 Oct Scandinavian Airlines
25 Sep - 09 Oct Condor
16 Sep - 30 Sep SWISS
23 Sep - 30 Sep LEVEL
18 Sep - 28 Sep Scandinavian Airlines
01 Sep - 23 Sep Scandinavian Airlines
17 Sep - 01 Oct Scandinavian Airlines
19 Sep - 25 Sep Scandinavian Airlines
18 Sep - 02 Oct Scandinavian Airlines
20 Sep - 11 Oct Scandinavian Airlines

Also check the deals for one-way flights from Boston 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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