Cheapest one-way flights from Seattle to Bangkok in May from $446

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

AirHint found the following cheapest one-way flights from Seattle (SEA) to Bangkok (BKK) in May 2025 (see full year).

One-Way flights

05 May China Airlines
15 May Air Canada
11 May Air Canada
16 May Air Canada
12 May Frontier Airlines
13 May Spirit Airlines
01 May Frontier Airlines
18 May Philippine Airlines
22 May Turkish Airlines
25 May Turkish Airlines

Also check the deals for return flights from Seattle to Bangkok in May.

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.

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