Cheapest return flights from Delhi to Ulaanbaatar in December from $838

AirHint found the following cheapest return flights from Delhi (DEL) to Ulaanbaatar (UBN) in December 2025 (see full year).

Return flights

14 Dec - 18 Dec IndiGo
07 Dec - 13 Dec Air India
28 Dec - 05 Jan China Eastern
11 Dec - 08 Jan Korean Air
29 Dec - 03 Jan Korean Air
23 Dec - 31 Dec Cathay Pacific
06 Dec - 14 Dec Cathay Pacific
05 Dec - 12 Dec Cathay Pacific
06 Dec - 13 Dec Cathay Pacific

Also check the deals for one-way flights from Delhi to Ulaanbaatar in December.

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