Cheapest return flights from Seattle to Prague in December from 669€

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

Return flights

27 Dec - 10 Jan Condor
25 Dec - 07 Jan Icelandair
10 Dec - 17 Dec Aer Lingus
11 Dec - 30 Dec Condor
22 Dec - 04 Jan Icelandair
19 Dec - 25 Dec Icelandair
21 Dec - 30 Dec Alaska Airlines
19 Dec - 22 Dec Icelandair
19 Dec - 01 Jan Alaska Airlines

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

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