Ulaanbaatar to Istanbul flights in December 2026 from $597 UBN → IST, SAW
Chinggis Khaan International Airport (UBN) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)
For departures in December 2026, the cheapest return found recently is $597 with Turkish Airlines, 24 Dec – 6 Jan 2027, found 2 days ago.
Return
In December 2026, the cheapest return fare on each of 7 departure dates is usually $547 to $664. Across all 19 departure dates we hold on this route, it is usually $592 to $793. Of the 3 months with enough return fares to compare, December 2026 is usually the cheapest.
Cheapest return found recently
$597
24 Dec – 6 Jan 2027 · Turkish Airlines
Chinggis Khaan International Airport (UBN) → Istanbul New Airport (IST)
out nonstop, back nonstop
found 2 days ago
Cheapest we hold, of any age
$534
3 Dec – 16 Dec · Air China
Chinggis Khaan International Airport (UBN) → Istanbul New Airport (IST)
out 1 stop, back 1 stop
found 4 days ago
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 3 Dec – 16 Dec | $534 | Air China | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 31 Dec – 6 Jan 2027 | $535 | Air China | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 1 Dec – 4 Dec | $558 | Turkish Airlines | out nonstop, back nonstop | found 7 days ago | See prices for these dates |
| 24 Dec – 6 Jan 2027 | $597 | Turkish Airlines | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 27 Dec – 7 Jan 2027 | $601 | MIAT Mongolian Airlines | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
Every date we hold
7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Dec – 4 Dec | $558 | Turkish Airlines | Chinggis Khaan International Airport (UBN) → Istanbul New Airport (IST) | out nonstop, back nonstop | found 7 days ago | See prices for these dates |
| 3 Dec – 16 Dec | $534 | Air China | Chinggis Khaan International Airport (UBN) → Istanbul New Airport (IST) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 24 Dec – 6 Jan 2027 | $597 | Turkish Airlines | Chinggis Khaan International Airport (UBN) → Istanbul New Airport (IST) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 26 Dec – 8 Jan 2027 | $726 | Turkish Airlines | Chinggis Khaan International Airport (UBN) → Istanbul New Airport (IST) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 27 Dec – 7 Jan 2027 | $601 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Istanbul New Airport (IST) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 30 Dec – 6 Jan 2027 | $821 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Sabiha Gokcen International Airport (SAW) | out 1 stop, back nonstop | found 7 days ago | See prices for these dates |
| 31 Dec – 6 Jan 2027 | $535 | Air China | Chinggis Khaan International Airport (UBN) → Istanbul New Airport (IST) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $534.
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