Cheapest return flights from Seattle to Bangkok in June from 779€

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

Return flights

18 Jun - 28 Jun Korean Air
01 Jun - 07 Jun Korean Air
14 Jun - 27 Jun Korean Air
21 Jun - 30 Jun Korean Air
20 Jun - 20 Jul Korean Air
18 Jun - 19 Jul Korean Air
22 Jun - 01 Jul Korean Air
20 Jun - 27 Jun Korean Air
16 Jun - 07 Jul Delta
19 Jun - 19 Jul Delta
19 Jun - 20 Jul Delta

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

Powered by

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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Feel free to contact us with any feedback or request another flight research.