Cheapest return flights from Seattle to Singapore in January from 63227INR

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 January 2025 (see full year).

Return flights

19 Jan - 01 Feb Asiana Airlines
21 Jan - 27 Jan Asiana Airlines
14 Jan - 28 Jan Delta
19 Jan - 28 Feb Asiana Airlines
20 Jan - 02 Feb Delta
19 Jan - 23 Jan United
18 Jan - 25 Feb United
25 Jan - 09 Feb Korean Air
19 Jan - 01 Feb Singapore Airlines direct
19 Jan - 23 Jan Singapore Airlines direct
16 Jan - 26 Jan Singapore Airlines direct
18 Jan - 25 Feb Singapore Airlines direct
25 Jan - 09 Feb Singapore Airlines direct
14 Jan - 28 Jan Singapore Airlines direct

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

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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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