Cheapest return flights from Seattle to Bangkok in February from $856

Best time to book flights for Seattle (SEA) to Bangkok (BKK) flights at AirHint

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

Return flights

08 Feb - 22 Feb China Airlines
07 Feb - 23 Feb Qatar Airways
07 Feb - 22 Feb Korean Air

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

Skyscanner

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