Cheap flights from Ulan-Ude to Ulaanbaatar from $138 UUD → UBN

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $334 to $492.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 9-night return fares leaving within 3 days of 16 Mar 2027 to compare.

Every date we hold

22 fares on 19 departure dates

Which month looks cheapest?

February 2027 is the cheapest month — from $347.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 43 days, 25 Sept to 11 Nov, the cheapest one-way we saw each day was $137 to $782.

At $138, the cheapest one-way found recently is at the low end of that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 17 Dec to compare.

Every date we hold

3 fares on 3 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $138.

Return

The cheapest fares were 60 to 89 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 7 to 13 days before departure were typically 12% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 25 Sept and 11 Nov (43 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Ulan-Ude to Ulaanbaatar?

The cheapest return found recently is $414 with S7 Airlines, 16 Mar 2027 to 25 Mar 2027, found 2 days ago. The cheapest return we hold, of any age, is $347 with S7 Airlines, 11 Feb 2027 to 13 Feb 2027, found 3 days ago. The cheapest return fare on each of 19 departure dates is usually $403 to $1,324.

How much is a one-way flight from Ulan-Ude to Ulaanbaatar?

The cheapest one-way found recently is $138 with S7 Airlines, 17 Dec, found 2 days ago. The cheapest one-way fare on each of 3 departure dates is usually $139 to $161.

What is the cheapest month to fly from Ulan-Ude to Ulaanbaatar?

February 2027 is the cheapest month for a return, from $347, 11 Feb 2027 to 13 Feb 2027, found 3 days ago. December 2026 is the cheapest month for a one-way, from $138, 17 Dec, found 2 days ago.

Every date in February 2027

How far ahead should I book a flight from Ulan-Ude to Ulaanbaatar?

In 49 days of prices between 24 Sept and 11 Nov, return fares were cheapest 60 to 89 days before departure. In 43 days of prices between 25 Sept and 11 Nov, one-way fares 7 to 13 days before departure were typically 12% lower than 0 to 6 days before departure.

Which airlines have the cheapest flights from Ulan-Ude to Ulaanbaatar?

Between 14 Dec and 17 May 2027, S7 Airlines has the cheapest return on 18 of the 19 departure dates we hold, and Red Wings on 1. Between 17 Dec and 11 Mar 2027, S7 Airlines has the cheapest one-way on all 3 departure dates we hold.