Cheapest return flights from Bangkok to Seattle in May from $799

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

Return flights

30 May - 14 Jun China Airlines
30 May - 09 Jun China Airlines
29 May - 05 Jun EVA Air
29 May - 09 Jun EVA Air
30 May - 12 Jun EVA Air
01 May - 08 May Delta
03 May - 09 May Korean Air
01 May - 19 May Asiana Airlines
29 May - 13 Jun Asiana Airlines
16 May - 23 May STARLUX Airlines
30 May - 13 Jun STARLUX Airlines
11 May - 31 May Delta
15 May - 23 Jun Delta

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

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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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