Cheapest return TPE–SEA flights, May

AirHint found the following cheapest return flights from Taipei (TPE) to Seattle (SEA) in May 2026 (see full year).

Return flights

18 May - 27 May Delta direct
19 May - 25 May Delta direct
19 May - 27 May Delta direct
20 May - 08 Jun Delta direct
28 May - 08 Jun Delta direct
07 May - 11 May United
28 May - 29 May Asiana Airlines
06 May - 10 May United
10 May - 17 May United
07 May - 11 May Delta direct
06 May - 10 May Delta direct
12 May - 27 May Delta direct
26 May - 03 Jun Delta direct
20 May - 03 Jun Delta direct
10 May - 05 Jun Asiana Airlines
26 May - 09 Jun China Airlines
10 May - 05 Jun STARLUX Airlines direct
20 May - 10 Jun STARLUX Airlines direct
21 May - 04 Jun STARLUX Airlines direct
22 May - 01 Jun Asiana Airlines

Also check the deals for one-way flights from Taipei to Seattle in May.

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