Cheapest return flights from Seattle to Singapore in March from $555

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

Return flights

19 Mar - 24 Mar Singapore Airlines direct
17 Mar - 24 Mar Singapore Airlines direct
05 Mar - 19 Mar Singapore Airlines direct
15 Mar - 26 Mar Singapore Airlines direct
17 Mar - 26 Mar Singapore Airlines direct
17 Mar - 21 Mar Singapore Airlines direct
05 Mar - 05 Apr Singapore Airlines direct
03 Mar - 04 Apr Singapore Airlines direct
31 Mar - 10 Apr Singapore Airlines direct
20 Mar - 26 Mar Singapore Airlines direct
10 Mar - 17 Mar Singapore Airlines direct
16 Mar - 26 Mar Asiana Airlines
17 Mar - 29 Mar Asiana Airlines
29 Mar - 11 Apr Singapore Airlines direct
04 Mar - 04 Apr Philippine Airlines
25 Mar - 05 Apr Alaska Airlines
28 Mar - 12 Apr Singapore Airlines direct

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

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