Cheapest return flights from Seattle to Singapore in December from 777€

AirHint found the following cheapest return flights from Seattle (SEA) to Singapore (SIN) in December 2026 (see full year).

Return flights

12 Dec - 24 Dec Asiana Airlines
29 Dec - 15 Jan Air Canada
31 Dec - 17 Jan Air Canada
28 Dec - 14 Jan Asiana Airlines
22 Dec - 09 Jan Asiana Airlines
23 Dec - 09 Jan Asiana Airlines
21 Dec - 09 Jan Asiana Airlines
22 Dec - 10 Jan Asiana Airlines
29 Dec - 15 Jan Singapore Airlines direct
20 Dec - 09 Jan Air Canada
12 Dec - 24 Dec Singapore Airlines direct
31 Dec - 17 Jan Singapore Airlines direct

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

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