Cheapest return flights from Seattle to Funchal in December from $1162

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

Return flights

30 Dec - 06 Jan WestJet
31 Dec - 07 Jan Icelandair
29 Dec - 05 Jan Alaska Airlines
24 Dec - 31 Dec Alaska Airlines
23 Dec - 30 Dec Lufthansa
22 Dec - 29 Dec Icelandair
28 Dec - 04 Jan Icelandair
19 Dec - 26 Dec Alaska Airlines
21 Dec - 28 Dec Turkish Airlines
25 Dec - 01 Jan Icelandair
20 Dec - 27 Dec Sun Country Airlines
27 Dec - 03 Jan Hawaiian Airlines
26 Dec - 02 Jan Lufthansa

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

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