Seoul → Ulaanbaatar
Incheon International Airport (ICN) to Ulaanbaatar Chinggis Khaan International Airport (UBN)・1,957 km
Nonstop flights available (6 airlines). Flight time about 2h 48m. Nonstop return flights also operate.
With milesJAL 15,000 miles+ (nonstop)ANA 18,500 miles+ (nonstop)Economy, one way, estimate. Tap a connection for miles by cabin.
Nonstop flights
- KEKorean AirSkyTeam
- TWTrinity AirwaysLCCSeasonal
- 7CJeju AirLCC
- OZAsiana AirlinesStar Alliance
- OMMIAT Mongolian Airlines
- M0Aero Mongolia
Award miles (one way, estimate)
- JAL Mileage Bank — partner airline awardKE only · total distance ≈ 1,216 mi (band 1,001–2,000)
- Economy
- 15,000
- Business
- 30,000
- ANA Mileage Club — partner awardKorea / Russia 1 ⇔ Asia 2 / Russia 3 (one way)
- Economy
- 18,500
- Business
- 31,000
- First
- 55,500
Estimates from the airlines' published award charts (as of 2026-11-02). Seat availability, fuel surcharges and stopover rules are not included — always check with the airline before booking.
Best places to connect
12 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.
Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.