Cheap flights from Beijing to Ulaanbaatar from $203 PEK → UBN
Beijing Capital International Airport (PEK) → Chinggis Khaan International Airport (UBN)
The cheapest return found recently is $325 with Air China, 12 Dec – 13 Dec, found 2 days ago. The cheapest one-way found recently is $203 with MIAT Mongolian Airlines, 4 Aug 2027, found 2 days ago.
- Cheapest one-way found recently
- $203, MIAT Mongolian Airlines, found 2 days ago
- Cheapest return found recently
- $325, 12 Dec to 13 Dec
- Usual return price
- $338 to $352
- Cheapest month to fly
- December 2026, return fares from $325 found in the last 7 days
- Airlines with nonstop flights
- MIAT Mongolian Airlines
- Shortest nonstop flight found
- 2 h 30 min
Return
The cheapest return fare on each of 3 departure dates is usually $338 to $352.
Cheapest return found recently
$325
12 Dec – 13 Dec · Air China
Beijing Capital International Airport (PEK) → Chinggis Khaan International Airport (UBN)
Leaves 8:10 a.m. · Return leaves 5:15 p.m. · 4 h 45 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Cheapest nonstop return
$325
12 Dec – 13 Dec · Air China
Beijing Capital International Airport (PEK) → Chinggis Khaan International Airport (UBN)
Leaves 8:10 a.m. · Return leaves 5:15 p.m. · 4 h 45 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$325 12 Dec – 13 Decfound 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $324 to $415.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 12 Dec to 1 Aug 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 1-night return fares leaving within 3 days of 12 Dec to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 12 Dec – 13 Dec | $325 | Air China | Beijing Capital International Airport (PEK) → Chinggis Khaan International Airport (UBN) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 16 May 2027 – 23 May 2027 | $351 | MIAT Mongolian Airlines | Beijing Capital International Airport (PEK) → Chinggis Khaan International Airport (UBN) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 1 Aug 2027 – 4 Aug 2027 | $353 | MIAT Mongolian Airlines | Beijing Capital International Airport (PEK) → Chinggis Khaan International Airport (UBN) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $325.
Airlines on the cheapest dates: MIAT Mongolian Airlines, Air China.
One-way
The cheapest one-way fare on each of 4 departure dates is usually $197 to $202.
Cheapest one-way found recently
$203
4 Aug 2027 · MIAT Mongolian Airlines
Beijing Capital International Airport (PEK) → Chinggis Khaan International Airport (UBN)
Leaves 9:30 a.m. · 2 h 30 min trip
nonstop
found 2 days ago
Cheapest nonstop one-way
$203
4 Aug 2027 · MIAT Mongolian Airlines
Beijing Capital International Airport (PEK) → Chinggis Khaan International Airport (UBN)
Leaves 9:30 a.m. · 2 h 30 min trip
nonstop
found 2 days ago
Found recently, and the cheapest we hold
$203 4 Aug 2027found 2 days agoOpen this trip
$197 30 Apr 2027found 4 days agoOpen this trip
What have prices looked like?
Over 39 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $184 to $211.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 4 departure dates from 30 Apr 2027 to 4 Sept 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 4 Aug 2027 to compare.
Every date we hold
4 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 30 Apr 2027 | $197 | MIAT Mongolian Airlines | Beijing Capital International Airport (PEK) → Chinggis Khaan International Airport (UBN) | nonstop | found 4 days ago | Open this trip |
| 25 Jul 2027 | $201 | MIAT Mongolian Airlines | Beijing Capital International Airport (PEK) → Chinggis Khaan International Airport (UBN) | nonstop | found 6 days ago | Open this trip |
| 4 Aug 2027 | $203 | MIAT Mongolian Airlines | Beijing Capital International Airport (PEK) → Chinggis Khaan International Airport (UBN) | nonstop | found 2 days ago | Open this trip |
| 4 Sept 2027 | $197 | MIAT Mongolian Airlines | Beijing Capital International Airport (PEK) → Chinggis Khaan International Airport (UBN) | nonstop | found 7 days ago | Open this trip |
Which month looks cheapest?
April 2027 is the cheapest month — from $197.
Airlines on the cheapest dates: MIAT Mongolian Airlines.
Premium cabin fares from Beijing to Ulaanbaatar
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 12 Dec – 13 Dec in another cabin: Premium economy · Business · First
Today's prices for 4 Aug 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Beijing to Ulaanbaatar?
Return
The cheapest fares were 14 to 29 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.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 14–29 days | $327 | $327 | Cheapest seen | 7 |
| 30–59 days | $328 | $324 | +0% | 24 |
| 60–89 days | $448 | $343 | +37% | 34 |
| 90–179 days | $354 | $340 | +8% | 47 |
| 180+ days | $351 | $335 | +7% | 43 |
One-way
Not enough history yet: in 39 days of one-way prices, 24 Sept to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 12 Dec – 13 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Beijing to Ulaanbaatar?
The cheapest return found recently is $325 with Air China, 12 Dec to 13 Dec, found 2 days ago. The cheapest return fare on each of 3 departure dates is usually $338 to $352.
How much is a one-way flight from Beijing to Ulaanbaatar?
The cheapest one-way found recently is $203 with MIAT Mongolian Airlines, 4 Aug 2027, found 2 days ago. The cheapest one-way we hold, of any age, is $197 with MIAT Mongolian Airlines, 30 Apr 2027, found 4 days ago. The cheapest one-way fare on each of 4 departure dates is usually $197 to $202.
What is the cheapest month to fly from Beijing to Ulaanbaatar?
December 2026 is the cheapest month for a return, from $325, 12 Dec to 13 Dec, found 2 days ago. April 2027 is the cheapest month for a one-way, from $197, 30 Apr 2027, found 4 days ago.
How far ahead should I book a flight from Beijing to Ulaanbaatar?
In 49 days of prices between 24 Sept and 11 Nov, return fares were cheapest 14 to 29 days before departure.
Is there a direct flight from Beijing to Ulaanbaatar?
Yes, the cheapest nonstop return found recently is $325 with Air China, 12 Dec to 13 Dec, found 2 days ago. The cheapest nonstop one-way found recently is $203 with MIAT Mongolian Airlines, 4 Aug 2027, found 2 days ago.
How long is the flight from Beijing to Ulaanbaatar?
The cheapest nonstop one-way found recently, with MIAT Mongolian Airlines on 4 Aug 2027, takes 2 h 30 min from Beijing Capital International Airport (PEK) to Chinggis Khaan International Airport (UBN).
Which airlines have the cheapest flights from Beijing to Ulaanbaatar?
Between 12 Dec and 1 Aug 2027, MIAT Mongolian Airlines has the cheapest return on 2 of the 3 departure dates we hold, and Air China on 1. Between 30 Apr 2027 and 4 Sept 2027, MIAT Mongolian Airlines has the cheapest one-way on all 4 departure dates we hold.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work