Cheapest return flights from Bangkok (BKK) to Seoul (ICN), May

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
20 May 31 May Vietnam Airlines
27 May 31 May Vietnam Airlines
26 May 30 May Vietnam Airlines
02 May 07 May Vietnam Airlines
28 May 31 May Vietnam Airlines
13 May 16 May Vietnam Airlines
11 May 15 May Vietnam Airlines
19 May 22 May Vietnam Airlines
18 May 23 May Vietnam Airlines
13 May 17 May Vietnam Airlines
24 May 05 Jun Vietnam Airlines
28 May 06 Jun Vietnam Airlines
24 May 05 Jun Asiana Airlines
Direct Flight
28 May 06 Jun Asiana Airlines
Direct Flight
Powered by

deals for one-way flights from Bangkok to Seoul in May.

Book a cheap hotel in Seoul

Cheap car rent in Incheon Intl

Updated Jul 19, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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