Cheapest return flights from Seattle to Singapore in December from $1451

Best time to book flights for Seattle (SEA) to Singapore (SIN) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Singapore (SIN) in December 2024 (see full year).

Return flights

29 Dec - 16 Jan Turkish Airlines
22 Dec - 30 Dec United
25 Dec - 01 Jan United
26 Dec - 02 Jan Spirit Airlines
28 Dec - 05 Jan Spirit Airlines
22 Dec - 01 Jan United
25 Dec - 11 Jan Korean Air
22 Dec - 09 Jan Korean Air
27 Dec - 04 Jan Spirit Airlines
23 Dec - 04 Jan Air Canada
29 Dec - 16 Jan Singapore Airlines direct

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

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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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