Ulaanbaatar to Singapore UBN → SIN
Chinggis Khaan International Airport (UBN) → Changi International Airport (SIN)
The cheapest return found recently is $700 with Air China, 6 Nov – 11 Nov, found yesterday.
Return
The cheapest return fare on each of 4 departure dates is usually $711 to $837.
Cheapest return found recently
$700
6 Nov – 11 Nov · Air China
Chinggis Khaan International Airport (UBN) → Changi International Airport (SIN)
Leaves 4:10 p.m. · Return leaves 5:45 p.m. · 31 h 35 min of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$700 6 Nov – 11 Novfound yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 23 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $669 to $754.
23 days is a short history, so treat this range as an early guide.
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 4 departure dates from 6 Nov to 7 Mar 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 5-night return fares leaving within 3 days of 6 Nov to compare.
Every date we hold
4 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 6 Nov – 11 Nov | $700 | Air China | Chinggis Khaan International Airport (UBN) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 2 Jan 2027 – 10 Jan 2027 | $972 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Changi International Airport (SIN) | out nonstop, back 1 stop | found 4 days ago | See prices for these dates |
| 19 Jan 2027 – 23 Jan 2027 | $792 | Spring Airlines | Chinggis Khaan International Airport (UBN) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 7 Mar 2027 – 18 Mar 2027 | $714 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Changi International Airport (SIN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $700.
Airlines on the cheapest dates: MIAT Mongolian Airlines, Air China, Spring Airlines.
Premium cabin fares from Ulaanbaatar to Singapore
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 6 Nov – 11 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Ulaanbaatar to Singapore?
Return
Fares 60 to 89 days before departure were typically 14% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (23 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 |
|---|---|---|---|---|
| 0–6 days | $811 | $811 | +16% | 7 |
| 60–89 days | $697 | $696 | Cheapest seen | 16 |
| 90–179 days | $714 | $669 | +2% | 18 |
| 180+ days | $755 | $755 | +8% | 8 |
Live price for these dates
The cheapest return found recently is for 6 Nov – 11 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
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