Cheapest return flights from Boston to Prague in September from 345€

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

Return flights

09 Sep - 15 Sep Aer Lingus
07 Sep - 15 Sep Aer Lingus
16 Sep - 22 Sep Aer Lingus
16 Sep - 23 Sep Aer Lingus
23 Sep - 29 Sep Aer Lingus
07 Sep - 14 Sep Aer Lingus
08 Sep - 14 Sep Aer Lingus
02 Sep - 09 Sep Delta
02 Sep - 08 Sep 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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