Cheapest return flights from Seattle to Prague in December from $483

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

Return flights

09 Dec - 17 Dec Lufthansa
31 Dec - 14 Jan Lufthansa
09 Dec - 22 Dec Lufthansa
08 Dec - 16 Dec Lufthansa
04 Dec - 11 Dec Condor
03 Dec - 10 Dec Delta
15 Dec - 10 Jan Scandinavian Airlines
28 Dec - 07 Jan Air Canada
15 Dec - 22 Dec British Airways
14 Dec - 03 Jan Scandinavian Airlines
21 Dec - 03 Jan Delta

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

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