Cheapest return flights from Seattle to Berlin in December from 404€

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

Return flights

06 Dec - 13 Dec Icelandair
04 Dec - 11 Dec Icelandair
09 Dec - 16 Dec Austrian Airlines
10 Dec - 14 Dec Lufthansa
24 Dec - 31 Dec United
29 Dec - 05 Jan United
14 Dec - 21 Dec United
20 Dec - 27 Dec Condor
19 Dec - 26 Dec United

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

Skyscanner

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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