Cheapest return flights from Seoul to Ulaanbaatar in April from 274€

AirHint found the following cheapest return flights from Seoul (ICN) to Ulaanbaatar (UBN) in April 2026 (see full year).

Return flights

20 Apr - 26 Apr Asiana Airlines direct
25 Apr - 05 May Asiana Airlines direct
29 Apr - 05 May Asiana Airlines direct
29 Apr - 03 May Asiana Airlines direct
04 Apr - 11 Apr Korean Air direct
05 Apr - 12 Apr Korean Air direct
02 Apr - 05 Apr Korean Air direct
24 Apr - 27 Apr Korean Air direct
02 Apr - 06 Apr Korean Air direct
24 Apr - 01 May Korean Air direct
07 Apr - 10 Apr MIAT Mongolian Airlines direct
29 Apr - 15 May Korean Air direct
29 Apr - 06 May Korean Air direct
30 Apr - 06 May Korean Air direct
29 Apr - 04 May Korean Air direct
30 Apr - 04 May Korean Air direct

Also check the deals for one-way flights from Seoul to Ulaanbaatar in April.

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 Ulaanbaatar

Cheap car rent in Ulaanbaatar

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