Cheapest return flights from Seoul (GMP) to Ulaanbaatar (UBN), May

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
24 May 27 May Jeju Air
30 May 06 Jun Jeju Air
22 May 27 May Air Busan
22 May 29 May Air Busan
24 May 31 May Jeju Air
27 May 03 Jun Parata Air
29 May 05 Jun Air Busan
23 May 30 May Eastar Jet
25 May 01 Jun Air Busan
26 May 02 Jun Eastar Jet
28 May 04 Jun Jeju Air
24 May 30 May Air China
31 May 08 Jun Air China
31 May 06 Jun Air China
31 May 04 Jun Air China
Powered by

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

Book a cheap hotel in Ulaanbaatar

Cheap car rent in Ulaanbaatar Chinggis Khaan Intl

Updated May 21, 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.