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

Return flights

28 Jan - 04 Feb	Air Canada
20 Jan - 03 Feb	Air Canada
27 Jan - 10 Feb	Air Canada
26 Jan - 10 Feb	Air Canada
26 Jan - 19 Feb	Air Canada
28 Jan - 10 Feb	Air Canada
27 Jan - 04 Feb	Air Canada
28 Jan - 24 Feb	Air Canada
28 Jan - 17 Feb	Air Canada
21 Jan - 27 Jan	Air Canada
20 Jan - 27 Jan	Air Canada
27 Jan - 03 Feb	Air Canada
20 Jan - 30 Jan	Air Canada
20 Jan - 31 Jan	Air Canada
17 Jan - 31 Jan	Air Canada

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

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 January from $565

Return flights