AirHint found the following cheapest return flights from Philadelphia (PHL) to Prague (PRG) in August 2026 (see full year).

Return flights

11 Aug - 18 Aug	Air Canada
18 Aug - 25 Aug	Air Canada
12 Aug - 20 Aug	Air Canada
11 Aug - 20 Aug	Air Canada
11 Aug - 25 Aug	Air Canada
04 Aug - 18 Aug	Air Canada
12 Aug - 25 Aug	Air Canada
17 Aug - 24 Aug	Air Canada
25 Aug - 08 Sep	Air Canada
18 Aug - 01 Sep	Air Canada
17 Aug - 02 Sep	Air Canada
18 Aug - 10 Sep	Air Canada
22 Aug - 09 Sep	Air Canada
04 Aug - 28 Aug	Air Canada
26 Aug - 03 Sep	Air Canada
26 Aug - 09 Sep	Air Canada
18 Aug - 02 Sep	Air Canada
11 Aug - 26 Aug	Air Canada
19 Aug - 02 Sep	Air Canada
14 Aug - 02 Sep	Air Canada

Also check the deals for one-way flights from Philadelphia to Prague in August.

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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Cheapest return flights from Philadelphia to Prague in August from $434

Return flights