Direct (nonstop) flights from Bangkok to Ulaanbaatar
1 airline flys nonstop from Suvarnabhumi Airport (BKK) to Chinggis Khan International Airport (UBN). It's 2,365 miles (3,806 km), about 5h 40m in the air. Operated by Miat - Mongolian Airlines.
Miat - Mongolian Airlines
Route data last updated: May 26, 2026
Airlines with non-stop flights
OM
Miat - Mongolian Airlines
Alternative Routes
Other ways to fly from Bangkok to Ulaanbaatar with one stop · direct emits 400 kg CO₂ per passenger
Looking for the return flight?
UBN → BKK: Flights from Ulaanbaatar to BangkokOther direct flights from Bangkok
Direct flights from Ulaanbaatar (UBN)
Frequently Asked Questions
How long is the direct flight from Bangkok to Ulaanbaatar?
A nonstop flight from Bangkok (BKK) to Ulaanbaatar (UBN) takes approximately 5 hours and 40 minutes. The distance is 2,365 miles (3,806 km).
Which airlines fly nonstop from Bangkok to Ulaanbaatar?
Just Miat - Mongolian Airlines.
Is there a nonstop flight from Bangkok to Ulaanbaatar?
Yes. 1 airline: Miat - Mongolian Airlines.
How far is Bangkok from Ulaanbaatar?
The flight distance from Bangkok to Ulaanbaatar is 2,365 miles (3,806 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What is the time difference between Bangkok and Ulaanbaatar?
Ulaanbaatar is 1 hour ahead of Bangkok. (Asia/Bangkok vs Asia/Ulaanbaatar.)
What type of aircraft flies from Bangkok to Ulaanbaatar?
At 5h 40m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from Thailand to Mongolia?
Depends on your passport. Check with the Mongolia embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Bangkok to Ulaanbaatar?
Roughly 400 kg CO2 per passenger one-way. That's about the same as driving 2,000 km.
Is the return flight from Ulaanbaatar to Bangkok also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Bangkok to Ulaanbaatar?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Suvarnabhumi Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.