Typical price difference
-5%฿25,040 here compared with ฿26,291
One-way and roundtrip flights from Bangkok1°Cold
Flights to Ulaanbaatar in October 2026
Top deals
Flights and prices
How much are flights from Bangkok to Ulaanbaatar?
Planning a trip to Ulaanbaatar? Compare dates, airlines, flight times and direct options from Bangkok. 31 one-way fares from ฿9,069 · 599 roundtrips from ฿19,575. These results are for october 2026.
- One way from
- ฿9,069
- 31 outbound-only options
- Roundtrip from
- ฿19,575
- 599 complete trips
- Typical roundtrip
- ฿25,040
- Half cost less, half cost more
- Flight options
- 599
- Roundtrips available
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Best Deals
Roundtrip deals
601 fares · from ฿19,575
Outbound and return flights together in one total fare.
Trip datesFlight itineraryTotal fareView
Oct 17 → Oct 247 nights
Roundtrip
- Depart
- Oct 17
- Return
- Oct 24
Out00:25BKK → UBN12:007h 30m · 1 stop · via Beijing7h 30m · 1 stop
Return06:10UBN → BKK23:007h 20m · 1 stop · via Beijing7h 20m · 1 stop
Outbound00:25BKK12:00UBN7h 30m1 stop · via Beijing
Return06:10UBN23:00BKK7h 20m1 stop · via Beijing
Operated by
Hainan AirlinesOM
Hainan AirlinesOM฿19,575
฿26,561-26%
Save ฿6,986
Hainan AirlinesOMRoundtrip total฿19,575฿26,561−26%Save ฿6,986View deal
Cheapest of October 2026Down from ฿22,744 on Aug 24
2 seats leftOct 29 → Nov 46 nights
Roundtrip
- Depart
- Oct 29
- Return
- Nov 4
Out01:30BKK → UBN14:159h 15m · 1 stop · via Seoul9h 15m · 1 stop
Return08:15UBN → BKK23:257h 40m · 1 stop · via Beijing7h 40m · 1 stop
Outbound01:30BKK14:15UBN9h 15m1 stop · via Seoul
Return08:15UBN23:25BKK7h 40m1 stop · via Beijing
Operated by
Jeju Air
T'way AirHainan AirlinesOM
Jeju AirT'way AirHainan AirlinesOM฿19,672
฿26,561-26%
Save ฿6,889
Jeju AirT'way AirHainan AirlinesOMRoundtrip total฿19,672฿26,561−26%Save ฿6,889View deal
Lowest 10% in next 365 days
Oct 28 → Oct 313 nights
Roundtrip
- Depart
- Oct 28
- Return
- Oct 31
Out01:05BKK → UBN13:507h 5m · 1 stop · via Beijing7h 5m · 1 stop
Return08:15UBN → BKK23:257h 40m · 1 stop · via Beijing7h 40m · 1 stop
Outbound01:05BKK13:50UBN7h 5m1 stop · via Beijing
Return08:15UBN23:25BKK7h 40m1 stop · via Beijing
Operated byHainan AirlinesOM
Hainan AirlinesOM฿19,709
฿26,561-26%
Save ฿6,852
Hainan AirlinesOMRoundtrip total฿19,709฿26,561−26%Save ฿6,852View deal
Lowest 10% in next 365 days
Oct 29 → Nov 1416 nights
Roundtrip
- Depart
- Oct 29
- Return
- Nov 14
Out01:05BKK → UBN13:107h 5m · 1 stop · via Beijing7h 5m · 1 stop
Return08:15UBN → BKK23:257h 40m · 1 stop · via Beijing7h 40m · 1 stop
Outbound01:05BKK13:10UBN7h 5m1 stop · via Beijing
Return08:15UBN23:25BKK7h 40m1 stop · via Beijing
Operated byHainan AirlinesOM
Hainan AirlinesOM฿19,714
฿26,561-26%
Save ฿6,847
Hainan AirlinesOMRoundtrip total฿19,714฿26,561−26%Save ฿6,847View deal
Lowest 10% in next 365 days
Oct 29 → Nov 79 nights
Roundtrip
- Depart
- Oct 29
- Return
- Nov 7
Out01:05BKK → UBN13:107h 5m · 1 stop · via Beijing7h 5m · 1 stop
Return08:15UBN → BKK23:257h 40m · 1 stop · via Beijing7h 40m · 1 stop
Outbound01:05BKK13:10UBN7h 5m1 stop · via Beijing
Return08:15UBN23:25BKK7h 40m1 stop · via Beijing
Operated byHainan AirlinesOM
Hainan AirlinesOM฿19,714
฿26,561-26%
Save ฿6,847
Hainan AirlinesOMRoundtrip total฿19,714฿26,561−26%Save ฿6,847View deal
Lowest 10% in next 365 days
Oct 27 → Nov 48 nights
Roundtrip
- Depart
- Oct 27
- Return
- Nov 4
Out01:30BKK → UBN14:159h 15m · 1 stop · via Seoul9h 15m · 1 stop
Return08:15UBN → BKK23:257h 40m · 1 stop · via Beijing7h 40m · 1 stop
Outbound01:30BKK14:15UBN9h 15m1 stop · via Seoul
Return08:15UBN23:25BKK7h 40m1 stop · via Beijing
Operated byJeju AirT'way AirHainan AirlinesOM
Jeju AirT'way AirHainan AirlinesOM฿19,810
฿26,561-25%
Save ฿6,751
Jeju AirT'way AirHainan AirlinesOMRoundtrip total฿19,810฿26,561−25%Save ฿6,751View deal
Lowest 10% in next 365 days
Oct 29 → Nov 1719 nights
Roundtrip
- Depart
- Oct 29
- Return
- Nov 17
Out01:30BKK → UBN14:159h 15m · 1 stop · via Seoul9h 15m · 1 stop
Return00:25UBN → DMK15:309h 20m · 1 stop · via Seoul9h 20m · 1 stop
Outbound01:30BKK14:15UBN9h 15m1 stop · via Seoul
Return00:25UBN15:30DMK9h 20m1 stop · via Seoul
Operated byJeju AirT'way Air
Thai AirAsia
Asiana Airlines
Jeju AirT'way AirThai AirAsiaAsiana Airlines฿20,491
฿26,561-23%
Save ฿6,070
Jeju AirT'way AirThai AirAsiaAsiana AirlinesRoundtrip total฿20,491฿26,561−23%Save ฿6,070View deal
Lowest 10% of October 2026
Sep 30 → Oct 87 nights
Roundtrip
- Depart
- Sep 30
- Return
- Oct 8
Out13:50BKK → UBN05:307h 35m · 1 stop · via Beijing7h 35m · 1 stop
Return13:40UBN → BKK00:109h 20m · 1 stop · via Seoul9h 20m · 1 stop
Outbound13:50BKK05:30UBN7h 35m1 stop · via Beijing
Return13:40UBN00:10BKK9h 20m1 stop · via Seoul
Operated byHainan AirlinesOMJeju Air
Hainan AirlinesOMJeju Air฿20,509
฿26,561-23%
Save ฿6,052
Hainan AirlinesOMJeju AirRoundtrip total฿20,509฿26,561−23%Save ฿6,052View deal
Lowest 10% of September 2026
7 seats leftOct 29 → Nov 24 nights
Roundtrip
- Depart
- Oct 29
- Return
- Nov 2
Out01:30BKK → UBN14:159h 15m · 1 stop · via Seoul9h 15m · 1 stop
Return08:15UBN → BKK23:257h 40m · 1 stop · via Beijing7h 40m · 1 stop
Outbound01:30BKK14:15UBN9h 15m1 stop · via Seoul
Return08:15UBN23:25BKK7h 40m1 stop · via Beijing
Operated byJeju AirT'way AirHainan AirlinesOM
Jeju AirT'way AirHainan AirlinesOM฿20,578
฿26,561-23%
Save ฿5,983
Jeju AirT'way AirHainan AirlinesOMRoundtrip total฿20,578฿26,561−23%Save ฿5,983View deal
Lowest 10% of October 2026
Oct 26 → Oct 293 nights
Roundtrip
- Depart
- Oct 26
- Return
- Oct 29
Out01:05BKK → UBN13:507h 5m · 1 stop · via Beijing7h 5m · 1 stop
Return07:30UBN → BKK23:257h 40m · 1 stop · via Beijing7h 40m · 1 stop
Outbound01:05BKK13:50UBN7h 5m1 stop · via Beijing
Return07:30UBN23:25BKK7h 40m1 stop · via Beijing
Operated byHainan AirlinesOM
Hainan AirlinesOM฿20,620
฿26,561-22%
Save ฿5,941
Hainan AirlinesOMRoundtrip total฿20,620฿26,561−22%Save ฿5,941View deal
Lowest 10% of October 2026
Oct 24 → Oct 317 nights
Roundtrip
- Depart
- Oct 24
- Return
- Oct 31
Out00:25BKK → UBN12:007h 30m · 1 stop · via Beijing7h 30m · 1 stop
Return08:15UBN → BKK23:257h 40m · 1 stop · via Beijing7h 40m · 1 stop
Outbound00:25BKK12:00UBN7h 30m1 stop · via Beijing
Return08:15UBN23:25BKK7h 40m1 stop · via Beijing
Operated byHainan AirlinesOM
Hainan AirlinesOM฿20,620
฿26,561-22%
Save ฿5,941
Hainan AirlinesOMRoundtrip total฿20,620฿26,561−22%Save ฿5,941View deal
Lowest 10% of October 2026Down from ฿26,707 on Aug 31
Sep 30 → Oct 76 nights
Roundtrip
- Depart
- Sep 30
- Return
- Oct 7
Out13:50BKK → UBN05:307h 35m · 1 stop · via Beijing7h 35m · 1 stop
Return06:10UBN → BKK23:007h 15m · 1 stop · via Beijing7h 15m · 1 stop
Outbound13:50BKK05:30UBN7h 35m1 stop · via Beijing
Return06:10UBN23:00BKK7h 15m1 stop · via Beijing
Operated byHainan AirlinesOM
Hainan AirlinesOM฿20,620
฿26,561-22%
Save ฿5,941
Hainan AirlinesOMRoundtrip total฿20,620฿26,561−22%Save ฿5,941View deal
Lowest 10% of September 2026
Oct 27 → Nov 1721 nights
Roundtrip
- Depart
- Oct 27
- Return
- Nov 17
Out01:30BKK → UBN14:159h 15m · 1 stop · via Seoul9h 15m · 1 stop
Return00:25UBN → DMK15:309h 20m · 1 stop · via Seoul9h 20m · 1 stop
Outbound01:30BKK14:15UBN9h 15m1 stop · via Seoul
Return00:25UBN15:30DMK9h 20m1 stop · via Seoul
Operated byJeju AirT'way AirThai AirAsiaAsiana Airlines
Jeju AirT'way AirThai AirAsiaAsiana Airlines฿20,629
฿26,561-22%
Save ฿5,932
Jeju AirT'way AirThai AirAsiaAsiana AirlinesRoundtrip total฿20,629฿26,561−22%Save ฿5,932View deal
Lowest 10% of October 2026
Oct 27 → Nov 26 nights
Roundtrip
- Depart
- Oct 27
- Return
- Nov 2
Out01:30BKK → UBN14:159h 15m · 1 stop · via Seoul9h 15m · 1 stop
Return08:15UBN → BKK23:257h 40m · 1 stop · via Beijing7h 40m · 1 stop
Outbound01:30BKK14:15UBN9h 15m1 stop · via Seoul
Return08:15UBN23:25BKK7h 40m1 stop · via Beijing
Operated byJeju AirT'way AirHainan AirlinesOM
Jeju AirT'way AirHainan AirlinesOM฿20,716
฿26,561-22%
Save ฿5,845
Jeju AirT'way AirHainan AirlinesOMRoundtrip total฿20,716฿26,561−22%Save ฿5,845View deal
Lowest 10% of October 2026
Sep 30 → Oct 65 nights
Roundtrip
- Depart
- Sep 30
- Return
- Oct 6
Out13:50BKK → UBN05:307h 35m · 1 stop · via Beijing7h 35m · 1 stop
Return13:40UBN → BKK00:109h 20m · 1 stop · via Seoul9h 20m · 1 stop
Outbound13:50BKK05:30UBN7h 35m1 stop · via Beijing
Return13:40UBN00:10BKK9h 20m1 stop · via Seoul
Operated byHainan AirlinesOMJeju Air
Hainan AirlinesOMJeju Air฿20,890
฿26,561-21%
Save ฿5,671
Hainan AirlinesOMJeju AirRoundtrip total฿20,890฿26,561−21%Save ฿5,671View deal
Lowest 10% of September 2026
4 seats leftOct 29 → Nov 1618 nights
Roundtrip
- Depart
- Oct 29
- Return
- Nov 16
Out01:30BKK → UBN14:159h 15m · 1 stop · via Seoul9h 15m · 1 stop
Return08:45UBN → BKK13:456h · Direct6h · Direct
Outbound01:30BKK14:15UBN9h 15m1 stop · via Seoul
Return08:45UBN13:45BKK6hDirect
Operated byJeju AirT'way AirOM
Jeju AirT'way AirOM฿20,896
฿26,561-21%
Save ฿5,665
Jeju AirT'way AirOMRoundtrip total฿20,896฿26,561−21%Save ฿5,665View deal
Lowest 10% of October 2026
Oct 27 → Nov 1620 nights
Roundtrip
- Depart
- Oct 27
- Return
- Nov 16
Out01:30BKK → UBN14:159h 15m · 1 stop · via Seoul9h 15m · 1 stop
Return08:45UBN → BKK13:456h · Direct6h · Direct
Outbound01:30BKK14:15UBN9h 15m1 stop · via Seoul
Return08:45UBN13:45BKK6hDirect
Operated byJeju AirT'way AirOM
Jeju AirT'way AirOM฿21,034
฿26,561-21%
Save ฿5,527
Jeju AirT'way AirOMRoundtrip total฿21,034฿26,561−21%Save ฿5,527View deal
Oct 5 → Oct 83 nights
Roundtrip
- Depart
- Oct 5
- Return
- Oct 8
Out02:25BKK → UBN19:358h 35m · 1 stop · via Seoul8h 35m · 1 stop
Return13:40UBN → BKK00:109h 20m · 1 stop · via Seoul9h 20m · 1 stop
Outbound02:25BKK19:35UBN8h 35m1 stop · via Seoul
Return13:40UBN00:10BKK9h 20m1 stop · via Seoul
Operated byM0
Thai VietJet AirJeju Air
Thai VietJet AirJeju Air฿21,057
฿26,561-21%
Save ฿5,504
M0Thai VietJet AirJeju Air
Thai VietJet AirJeju AirRoundtrip total฿21,057฿26,561−21%Save ฿5,504View deal
4 seats left
Oct 1 → Oct 87 nights
Roundtrip
- Depart
- Oct 1
- Return
- Oct 8
Out02:25BKK → UBN17:009h 15m · 1 stop · via Seoul9h 15m · 1 stop
Return13:40UBN → BKK00:109h 20m · 1 stop · via Seoul9h 20m · 1 stop
Outbound02:25BKK17:00UBN9h 15m1 stop · via Seoul
Return13:40UBN00:10BKK9h 20m1 stop · via Seoul
Operated byOMThai VietJet AirJeju Air
Thai VietJet AirJeju Air฿21,183
฿26,561-20%
Save ฿5,378
OMThai VietJet AirJeju Air
Thai VietJet AirJeju AirRoundtrip total฿21,183฿26,561−20%Save ฿5,378View deal
4 seats left
Oct 19 → Nov 415 nights
Roundtrip
- Depart
- Oct 19
- Return
- Nov 4
Out22:45BKK → UBN12:409h 10m · 1 stop · via Seoul9h 10m · 1 stop
Return08:15UBN → BKK23:257h 40m · 1 stop · via Beijing7h 40m · 1 stop
Outbound22:45BKK12:40UBN9h 10m1 stop · via Seoul
Return08:15UBN23:25BKK7h 40m1 stop · via Beijing
Operated byJeju Air
Air PremiaHainan AirlinesOM
Jeju AirAir PremiaHainan AirlinesOM฿21,225
฿26,561-20%
Save ฿5,336
Jeju AirAir PremiaHainan AirlinesOMRoundtrip total฿21,225฿26,561−20%Save ฿5,336View deal
One-way deals
31 fares · from ฿9,069
Outbound fare only — add a return separately if you need one.
Trip datesFlight itineraryTotal fareView
thu · Oct 29One way
Departurethu · Oct 29
One way2026
01:30BKK → UBN14:159h 15m · 1 stop
2h 30m layover Seoul
Outbound01:30BKK14:15UBN9h 15m1 stop · via Seoul
Operated byJeju AirT'way Air
Jeju AirT'way Air฿9,069
฿12,981-30%
฿3,912 below average
Jeju AirT'way AirOne-way fare฿9,069฿12,981−30%Save ฿3,912View deal
Cheapest of October 2026Down from ฿9,606 on Sep 8
tue · Oct 27One way
Departuretue · Oct 27
One way2026
01:30BKK → UBN14:159h 15m · 1 stop
2h 30m layover Seoul
Outbound01:30BKK14:15UBN9h 15m1 stop · via Seoul
Operated byJeju AirT'way Air
Jeju AirT'way Air฿9,206
฿12,981-29%
฿3,775 below average
Jeju AirT'way AirOne-way fare฿9,206฿12,981−29%Save ฿3,775View deal
Lowest 10% in next 365 days
tue · Oct 6One way
Departuretue · Oct 6
One way2026
00:05BKK → UBN12:409h 15m · 1 stop
2h 20m layover Seoul
Outbound00:05BKK12:40UBN9h 15m1 stop · via Seoul
Operated byJeju AirT'way Air
Jeju AirT'way Air฿10,561
฿12,981-19%
฿2,420 below average
Jeju AirT'way AirOne-way fare฿10,561฿12,981−19%Save ฿2,420View deal
mon · Oct 19One way
Departuremon · Oct 19
One way2026
22:45BKK → UBN12:409h 10m · 1 stop
3h 45m layover Seoul
Outbound22:45BKK12:40UBN9h 10m1 stop · via Seoul
Operated byJeju AirAir Premia
Jeju AirAir Premia฿10,622
฿12,981-18%
฿2,359 below average
Jeju AirAir PremiaOne-way fare฿10,622฿12,981−18%Save ฿2,359View deal
sun · Oct 25One way
Departuresun · Oct 25
One way2026
00:05BKK → UBN14:159h 20m · 1 stop
3h 50m layover Seoul
Outbound00:05BKK14:15UBN9h 20m1 stop · via Seoul
Operated byJeju AirT'way Air
Jeju AirT'way Air฿10,947
฿12,981-16%
฿2,034 below average
Jeju AirT'way AirOne-way fare฿10,947฿12,981−16%Save ฿2,034View deal
Down from ฿10,172 on Aug 25
wed · Oct 28One way
Departurewed · Oct 28
One way2026
02:25BKK → UBN18:358h 30m · 1 stop
6h 40m layover Seoul
Outbound02:25BKK18:35UBN8h 30m1 stop · via Seoul
Operated byM0Thai VietJet Air
Thai VietJet Air฿11,404
฿12,981-12%
฿1,577 below average
M0Thai VietJet Air
Thai VietJet AirOne-way fare฿11,404฿12,981−12%Save ฿1,577View deal
4 seats left
wed · Oct 7One way
Departurewed · Oct 7
One way2026
02:25BKK → UBN18:358h 30m · 1 stop
6h 40m layover Seoul
Outbound02:25BKK18:35UBN8h 30m1 stop · via Seoul
Operated byM0Thai VietJet Air
Thai VietJet Air฿11,417
฿12,981-12%
฿1,564 below average
M0Thai VietJet Air
Thai VietJet AirOne-way fare฿11,417฿12,981−12%Save ฿1,564View deal
4 seats left
wed · Sep 30One way
Departurewed · Sep 30
One way2026
02:25BKK → UBN18:358h 30m · 1 stop
6h 40m layover Seoul
Outbound02:25BKK18:35UBN8h 30m1 stop · via Seoul
Operated byM0Thai VietJet Air
Thai VietJet Air฿11,431
฿12,981-12%
฿1,550 below average
M0Thai VietJet Air
Thai VietJet AirOne-way fare฿11,431฿12,981−12%Save ฿1,550View deal
Lowest 10% of September 2026Down from ฿11,252 on Aug 18
4 seats leftsun · Oct 18One way
Departuresun · Oct 18
One way2026
00:05BKK → UBN12:409h 15m · 1 stop
2h 20m layover Seoul
Outbound00:05BKK12:40UBN9h 15m1 stop · via Seoul
Operated byJeju AirT'way Air
Jeju AirT'way Air฿11,528
฿12,981-11%
฿1,453 below average
Jeju AirT'way AirOne-way fare฿11,528฿12,981−11%Save ฿1,453View deal
mon · Oct 26One way
Departuremon · Oct 26
One way2026
01:05BKK → UBN13:507h 5m · 1 stop
4h 40m layover Beijing
Outbound01:05BKK13:50UBN7h 5m1 stop · via Beijing
Operated byHainan AirlinesOM
Hainan AirlinesOM฿11,617
฿12,981-11%
฿1,364 below average
Hainan AirlinesOMOne-way fare฿11,617฿12,981−11%Save ฿1,364View deal
4 seats left
sat · Oct 17One way
Departuresat · Oct 17
One way2026
00:25BKK → UBN12:007h 30m · 1 stop
3h 5m layover Beijing
Outbound00:25BKK12:00UBN7h 30m1 stop · via Beijing
Operated byHainan AirlinesOM
Hainan AirlinesOM฿11,626
฿12,981-10%
฿1,355 below average
Hainan AirlinesOMOne-way fare฿11,626฿12,981−10%Save ฿1,355View deal
9 seats left
sat · Oct 24One way
Departuresat · Oct 24
One way2026
00:25BKK → UBN12:007h 30m · 1 stop
3h 5m layover Beijing
Outbound00:25BKK12:00UBN7h 30m1 stop · via Beijing
Operated byHainan AirlinesOM
Hainan AirlinesOM฿11,626
฿12,981-10%
฿1,355 below average
Hainan AirlinesOMOne-way fare฿11,626฿12,981−10%Save ฿1,355View deal
2 seats left
thu · Oct 15One way
Departurethu · Oct 15
One way2026
00:05BKK → UBN12:409h 15m · 1 stop
2h 20m layover Seoul
Outbound00:05BKK12:40UBN9h 15m1 stop · via Seoul
Operated byJeju AirT'way Air
Jeju AirT'way Air฿11,628
฿12,981-10%
฿1,353 below average
Jeju AirT'way AirOne-way fare฿11,628฿12,981−10%Save ฿1,353View deal
fri · Oct 2One way
Departurefri · Oct 2
One way2026
19:35BKK → UBN12:007h 20m · 1 stop
8h 5m layover Beijing
Outbound19:35BKK12:00UBN7h 20m1 stop · via Beijing
Operated by
Air ChinaOM
Air ChinaOM฿11,980
฿12,981-8%
฿1,001 below average
Air ChinaOMOne-way fare฿11,980฿12,981−8%Save ฿1,001View deal
mon · Oct 5One way
Departuremon · Oct 5
One way2026
02:25BKK → UBN19:358h 35m · 1 stop
7h 35m layover Seoul
Outbound02:25BKK19:35UBN8h 35m1 stop · via Seoul
Operated byM0Thai VietJet Air
Thai VietJet Air฿12,166
฿12,981-6%
฿815 below average
M0Thai VietJet Air
Thai VietJet AirOne-way fare฿12,166฿12,981−6%Save ฿815View deal
4 seats left
thu · Oct 1One way
Departurethu · Oct 1
One way2026
02:25BKK → UBN17:009h 15m · 1 stop
4h 20m layover Seoul
Outbound02:25BKK17:00UBN9h 15m1 stop · via Seoul
Operated byOMThai VietJet Air
Thai VietJet Air฿12,292
฿12,981-5%
฿689 below average
OMThai VietJet Air
Thai VietJet AirOne-way fare฿12,292฿12,981−5%Save ฿689View deal
4 seats left
wed · Oct 14One way
Departurewed · Oct 14
One way2026
02:25BKK → UBN18:358h 30m · 1 stop
6h 40m layover Seoul
Outbound02:25BKK18:35UBN8h 30m1 stop · via Seoul
Operated byM0Thai VietJet Air
Thai VietJet Air฿12,688
฿12,981-2%
฿293 below average
M0Thai VietJet Air
Thai VietJet AirOne-way fare฿12,688฿12,981−2%Save ฿293View deal
4 seats left
tue · Oct 13One way
Departuretue · Oct 13
One way2026
00:05BKK → UBN12:409h 15m · 1 stop
2h 20m layover Seoul
Outbound00:05BKK12:40UBN9h 15m1 stop · via Seoul
Operated byJeju AirT'way Air
Jeju AirT'way Air฿12,836
฿12,981-1%
฿145 below average
Jeju AirT'way AirOne-way fare฿12,836฿12,981−1%Save ฿145View deal
wed · Oct 21One way
Departurewed · Oct 21
One way2026
02:25BKK → UBN18:358h 30m · 1 stop
6h 40m layover Seoul
Outbound02:25BKK18:35UBN8h 30m1 stop · via Seoul
Operated byM0Thai VietJet Air
Thai VietJet Air฿12,837
฿12,981-1%
฿144 below average
M0Thai VietJet Air
Thai VietJet AirOne-way fare฿12,837฿12,981−1%Save ฿144View deal
4 seats left
sat · Oct 3One way
Departuresat · Oct 3
One way2026
02:25BKK → UBN18:358h 30m · 1 stop
6h 40m layover Seoul
Outbound02:25BKK18:35UBN8h 30m1 stop · via Seoul
Operated byM0Thai VietJet Air
Thai VietJet Air฿12,848
฿12,981-1%
฿133 below average
M0Thai VietJet Air
Thai VietJet AirOne-way fare฿12,848฿12,981−1%Save ฿133View deal
4 seats left
Plan with confidence
Find the trip that fits
Compare prices, dates, airlines and travel time. Then choose the deal that feels right.
See the difference
October 2026 at a glance
Compare price, non-stop choice and travel time with other Ulaanbaatar options.
Non-stop options
0%-4 points compared with other flights
Typical flight time
9h 5m1h 30m longer than the comparison
Roundtrip options
599Trips ready to compare
Typical prices
What do Ulaanbaatar roundtrips usually cost?
This distribution uses roundtrip prices only; one-way prices remain in their own labeled summary.
Lowest฿19,575
Typical low฿23,683
Typical฿25,040
Typical high฿26,544
Flexible dates
Cheapest departure dates for Ulaanbaatar
Compare nearby dates to see where the better prices are. Always check the final price before booking.
฿23,956
Oct 1
฿23,824
Oct 2
฿24,850
Oct 3
฿25,926
Oct 4
฿24,180
Oct 5
฿22,281
Oct 6
฿23,431
Oct 7
฿25,818
Oct 8
฿25,443
Oct 9
฿29,162
Oct 10
฿28,587
Oct 11
฿26,830
Oct 12
฿26,858
Oct 13
฿26,202
Oct 14
฿26,730
Oct 15
฿25,481
Oct 16
฿24,149
Oct 17
฿24,039
Oct 18
฿23,133
Oct 19
฿26,178
Oct 20
฿25,548
Oct 21
฿26,350
Oct 22
฿27,609
Oct 23
฿24,781
Oct 24
฿23,732
Oct 25
฿24,772
Oct 26
฿21,993
Oct 27
฿24,136
Oct 28
฿21,764
Oct 29
฿25,910
Oct 30
฿24,549
Oct 31
Flexible timing
Compare Ulaanbaatar by travel month
Open a month to compare its dates, prices and available flights.
Airline comparison
Which airlines show the lowest Ulaanbaatar fares?
Some trips combine airlines, so check both flights before you book.
| Comparison | Lowest | Typical range | Results | Non-stop |
|---|---|---|---|---|
| 1Hainan Airlines | ฿19,575 | ฿23,327–฿26,178 | 219 | 0% |
| 2OM | ฿19,575 | ฿23,708–฿26,455 | 402 | 0% |
| 3Jeju Air | ฿19,672 | ฿22,132–฿25,904 | 185 | 0% |
| 4T'way Air | ฿19,672 | ฿22,455–฿26,419 | 176 | 0% |
| 5Asiana Airlines | ฿20,491 | ฿23,798–฿26,690 | 105 | 0% |
| 6Thai AirAsia | ฿20,491 | ฿23,826–฿25,783 | 43 | 0% |
| 7M0 | ฿21,057 | ฿23,716–฿25,766 | 114 | 0% |
| 8Thai VietJet Air | ฿21,057 | ฿23,877–฿26,151 | 248 | 0% |
| 9Air Premia | ฿21,225 | ฿23,665–฿27,334 | 66 | 0% |
| 10Air China | ฿21,239 | ฿24,040–฿26,456 | 225 | 0% |
| 11Korean Air | ฿21,636 | ฿26,160–฿28,900 | 34 | 0% |
| 12Thai Lion Air | ฿21,715 | ฿23,877–฿26,769 | 12 | — |
Weather through the year
Typical temperatures in Ulaanbaatar
Usual monthly temperatures can help you choose when to go. They are not a live forecast.
-24°Jan
-19°Feb
-9°Mar
2°Apr
10°May
16°Jun
18°Jul
16°Aug
10°Sep
1°Oct
-12°Nov
-22°Dec
Useful trip facts
What to know about Ulaanbaatar
- Country
- Mongolia
- Arrival code
- ULN
- Typical annual temperature
- -1°C
- Usual temperature, not a forecast
- Trip styles
- City
- Bangkok departure airports
- BKK
- Airports represented in the current fare results
- Arrival airports
- UBN
- Airports represented in the current fare results
- Typical outbound from Bangkok
- 9h 5m
- Typical stay
- 12 nights
Why go
Why travelers consider Ulaanbaatar
The world's coldest capital city sprawls across a valley framed by sacred mountains, where Soviet-era apartment blocks meet gold-roofed Buddhist monasteries. Ulaanbaatar is the wild gateway to Mongolia's endless steppe, Gobi Desert adventures, and a nomadic culture that still thrives.
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Common questions about Ulaanbaatar
What is the lowest available one-way fare for Ulaanbaatar?
The lowest available one-way fare is ฿9,069. It is compared only with other one-way fares.
What is the lowest available roundtrip fare for Ulaanbaatar?
The lowest available roundtrip fare is ฿19,575. Check the dates, baggage and final total before booking.
What is a typical fare for Ulaanbaatar?
A typical fare is ฿25,040. Many available options sit between ฿23,683 and ฿26,544.
How many choices are available for Ulaanbaatar?
Choose from 599 roundtrip flights across 1 destination in 1 country.
Are direct flights available for Ulaanbaatar?
0 roundtrip flights are non-stop both ways. That is 0% of the current choices.
Which month has the lowest fares for Ulaanbaatar?
Oct 2026 has the lowest available roundtrip fare, from ฿19,575.
What is the cheapest flight from Bangkok to Ulaanbaatar?
The lowest currently observed flight from Bangkok to Ulaanbaatar is ฿19,575. Confirm the final itinerary total and availability before booking.
When is the best time to fly from Bangkok to Ulaanbaatar?
Based on current prices, October 2026 offers some of the best deals from Bangkok to Ulaanbaatar. Check the month-by-month breakdown on this page for the cheapest times to fly.