Cheapest return flights from Seattle to Prague in December from $597

AirHint found the following cheapest return flights from Seattle (SEA) to Prague (PRG) in December 2025 (see full year).

Return flights

28 Dec - 11 Jan British Airways
01 Dec - 08 Dec Condor
28 Dec - 07 Jan British Airways
18 Dec - 08 Jan Alaska Airlines
25 Dec - 28 Dec Condor
26 Dec - 01 Jan Aer Lingus
18 Dec - 01 Jan Alaska Airlines

Also check the deals for one-way flights from Seattle to Prague in December.

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