Cheapest return flights from Seattle to Phuket in April from $546

AirHint found the following cheapest return flights from Seattle (SEA) to Phuket (HKT) in April 2026 (see full year).

Return flights

17 Apr - 27 Apr Singapore Airlines
22 Apr - 29 Apr Singapore Airlines
16 Apr - 26 Apr Korean Air
09 Apr - 20 May Korean Air
15 Apr - 26 Apr Asiana Airlines
23 Apr - 30 Apr Korean Air
03 Apr - 13 Apr Asiana Airlines
03 Apr - 18 Apr Asiana Airlines
10 Apr - 18 Apr Singapore Airlines
04 Apr - 18 Apr Korean Air

Also check the deals for one-way flights from Seattle to Phuket in April.

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