Typical price difference
-3%฿25,576 here compared with ฿26,291
One-way and roundtrip flights from Bangkok10°Cold
Flights to Ulaanbaatar in September 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. 22 one-way fares from ฿11,078 · 423 roundtrips from ฿19,969. These results are for september 2026.
- One way from
- ฿11,078
- 22 outbound-only options
- Roundtrip from
- ฿19,969
- 423 complete trips
- Typical roundtrip
- ฿25,576
- Half cost less, half cost more
- Flight options
- 423
- Roundtrips available
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Roundtrip deals
423 fares · from ฿19,969
Outbound and return flights together in one total fare.
Trip datesFlight itineraryTotal fareView
Sep 21 → Oct 817 nights
Roundtrip
- Depart
- Sep 21
- 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 Air
Jeju Air
Thai VietJet AirJeju Air฿19,969
฿26,561-25%
Save ฿6,592
M0Thai VietJet AirJeju Air
Thai VietJet AirJeju AirRoundtrip total฿19,969฿26,561−25%Save ฿6,592View deal
Cheapest of September 2026
4 seats leftSep 21 → Oct 615 nights
Roundtrip
- Depart
- Sep 21
- Return
- Oct 6
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 byM0Thai VietJet AirJeju Air
Thai VietJet AirJeju Air฿20,351
฿26,561-23%
Save ฿6,210
M0Thai VietJet AirJeju Air
Thai VietJet AirJeju AirRoundtrip total฿20,351฿26,561−23%Save ฿6,210View deal
Lowest 10% of September 2026
4 seats leftSep 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 by
Hainan 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 leftSep 23 → Oct 814 nights
Roundtrip
- Depart
- Sep 23
- 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฿20,517
฿26,561-23%
Save ฿6,044
Hainan AirlinesOMJeju AirRoundtrip total฿20,517฿26,561−23%Save ฿6,044View deal
Lowest 10% of September 2026
9 seats leftSep 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
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 leftSep 23 → Oct 612 nights
Roundtrip
- Depart
- Sep 23
- 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฿20,899
฿26,561-21%
Save ฿5,662
Hainan AirlinesOMJeju AirRoundtrip total฿20,899฿26,561−21%Save ฿5,662View deal
Lowest 10% of September 2026
4 seats leftSep 27 → Oct 810 nights
Roundtrip
- Depart
- Sep 27
- Return
- Oct 8
Out19:35BKK → UBN12:007h 20m · 1 stop · via Beijing7h 20m · 1 stop
Return13:40UBN → BKK00:109h 20m · 1 stop · via Seoul9h 20m · 1 stop
Outbound19:35BKK12:00UBN7h 20m1 stop · via Beijing
Return13:40UBN00:10BKK9h 20m1 stop · via Seoul
Operated by
Air ChinaOMJeju Air
Air ChinaOMJeju Air฿21,396
฿26,561-19%
Save ฿5,165
Air ChinaOMJeju AirRoundtrip total฿21,396฿26,561−19%Save ฿5,165View deal
Sep 21 → Sep 287 nights
Roundtrip
- Depart
- Sep 21
- Return
- Sep 28
Out02:25BKK → UBN19:358h 35m · 1 stop · via Seoul8h 35m · 1 stop
Return16:30UBN → BKK00:107h 15m · 1 stop · via Beijing7h 15m · 1 stop
Outbound02:25BKK19:35UBN8h 35m1 stop · via Seoul
Return16:30UBN00:10BKK7h 15m1 stop · via Beijing
Operated byM0Thai VietJet AirAir China
Thai VietJet AirAir China฿21,599
฿26,561-19%
Save ฿4,962
M0Thai VietJet AirAir China
Thai VietJet AirAir ChinaRoundtrip total฿21,599฿26,561−19%Save ฿4,962View deal
4 seats left
Sep 27 → Oct 68 nights
Roundtrip
- Depart
- Sep 27
- Return
- Oct 6
Out19:35BKK → UBN12:007h 20m · 1 stop · via Beijing7h 20m · 1 stop
Return13:40UBN → BKK00:109h 20m · 1 stop · via Seoul9h 20m · 1 stop
Outbound19:35BKK12:00UBN7h 20m1 stop · via Beijing
Return13:40UBN00:10BKK9h 20m1 stop · via Seoul
Operated byAir ChinaOMJeju Air
Air ChinaOMJeju Air฿21,794
฿26,561-18%
Save ฿4,767
Air ChinaOMJeju AirRoundtrip total฿21,794฿26,561−18%Save ฿4,767View deal
4 seats left
Sep 21 → Oct 1120 nights
Roundtrip
- Depart
- Sep 21
- Return
- Oct 11
Out02:25BKK → UBN19:358h 35m · 1 stop · via Seoul8h 35m · 1 stop
Return16:30UBN → BKK00:107h 25m · 1 stop · via Beijing7h 25m · 1 stop
Outbound02:25BKK19:35UBN8h 35m1 stop · via Seoul
Return16:30UBN00:10BKK7h 25m1 stop · via Beijing
Operated byM0Thai VietJet AirAir China
Thai VietJet AirAir China฿21,946
฿26,561-17%
Save ฿4,615
M0Thai VietJet AirAir China
Thai VietJet AirAir ChinaRoundtrip total฿21,946฿26,561−17%Save ฿4,615View deal
4 seats left
Sep 21 → Oct 716 nights
Roundtrip
- Depart
- Sep 21
- Return
- Oct 7
Out02:25BKK → UBN19:358h 35m · 1 stop · via Seoul8h 35m · 1 stop
Return16:30UBN → BKK00:107h 15m · 1 stop · via Beijing7h 15m · 1 stop
Outbound02:25BKK19:35UBN8h 35m1 stop · via Seoul
Return16:30UBN00:10BKK7h 15m1 stop · via Beijing
Operated byM0Thai VietJet AirAir China
Thai VietJet AirAir China฿21,946
฿26,561-17%
Save ฿4,615
M0Thai VietJet AirAir China
Thai VietJet AirAir ChinaRoundtrip total฿21,946฿26,561−17%Save ฿4,615View deal
4 seats left
Sep 21 → Oct 1221 nights
Roundtrip
- Depart
- Sep 21
- Return
- Oct 12
Out02:25BKK → UBN19:358h 35m · 1 stop · via Seoul8h 35m · 1 stop
Return16:30UBN → BKK00:107h 15m · 1 stop · via Beijing7h 15m · 1 stop
Outbound02:25BKK19:35UBN8h 35m1 stop · via Seoul
Return16:30UBN00:10BKK7h 15m1 stop · via Beijing
Operated byM0Thai VietJet AirAir China
Thai VietJet AirAir China฿21,950
฿26,561-17%
Save ฿4,611
M0Thai VietJet AirAir China
Thai VietJet AirAir ChinaRoundtrip total฿21,950฿26,561−17%Save ฿4,611View deal
4 seats left
Sep 21 → Oct 918 nights
Roundtrip
- Depart
- Sep 21
- Return
- Oct 9
Out02:25BKK → UBN19:358h 35m · 1 stop · via Seoul8h 35m · 1 stop
Return16:30UBN → BKK00:107h 25m · 1 stop · via Beijing7h 25m · 1 stop
Outbound02:25BKK19:35UBN8h 35m1 stop · via Seoul
Return16:30UBN00:10BKK7h 25m1 stop · via Beijing
Operated byM0Thai VietJet AirAir China
Thai VietJet AirAir China฿21,951
฿26,561-17%
Save ฿4,610
M0Thai VietJet AirAir China
Thai VietJet AirAir ChinaRoundtrip total฿21,951฿26,561−17%Save ฿4,610View deal
4 seats left
Sep 21 → Oct 514 nights
Roundtrip
- Depart
- Sep 21
- Return
- Oct 5
Out02:25BKK → UBN19:358h 35m · 1 stop · via Seoul8h 35m · 1 stop
Return16:30UBN → BKK00:107h 15m · 1 stop · via Beijing7h 15m · 1 stop
Outbound02:25BKK19:35UBN8h 35m1 stop · via Seoul
Return16:30UBN00:10BKK7h 15m1 stop · via Beijing
Operated byM0Thai VietJet AirAir China
Thai VietJet AirAir China฿21,951
฿26,561-17%
Save ฿4,610
M0Thai VietJet AirAir China
Thai VietJet AirAir ChinaRoundtrip total฿21,951฿26,561−17%Save ฿4,610View deal
4 seats left
Sep 26 → Oct 812 nights
Roundtrip
- Depart
- Sep 26
- Return
- Oct 8
Out00:25BKK → UBN12:007h 30m · 1 stop · via Beijing7h 30m · 1 stop
Return13:40UBN → BKK00:109h 20m · 1 stop · via Seoul9h 20m · 1 stop
Outbound00:25BKK12:00UBN7h 30m1 stop · via Beijing
Return13:40UBN00:10BKK9h 20m1 stop · via Seoul
Operated byHainan AirlinesOMJeju Air
Hainan AirlinesOMJeju Air฿21,954
฿26,561-17%
Save ฿4,607
Hainan AirlinesOMJeju AirRoundtrip total฿21,954฿26,561−17%Save ฿4,607View deal
Sep 16 → Oct 620 nights
Roundtrip
- Depart
- Sep 16
- Return
- Oct 6
Out00:05BKK → UBN13:209h 15m · 1 stop · via Seoul9h 15m · 1 stop
Return13:40UBN → BKK00:109h 20m · 1 stop · via Seoul9h 20m · 1 stop
Outbound00:05BKK13:20UBN9h 15m1 stop · via Seoul
Return13:40UBN00:10BKK9h 20m1 stop · via Seoul
Operated by
T'way AirJeju Air
T'way AirJeju Air฿22,074
฿26,561-17%
Save ฿4,487
T'way AirJeju AirRoundtrip total฿22,074฿26,561−17%Save ฿4,487View deal
4 seats left
Sep 23 → Sep 284 nights
Roundtrip
- Depart
- Sep 23
- Return
- Sep 28
Out13:50BKK → UBN05:307h 35m · 1 stop · via Beijing7h 35m · 1 stop
Return16:30UBN → BKK00:107h 15m · 1 stop · via Beijing7h 15m · 1 stop
Outbound13:50BKK05:30UBN7h 35m1 stop · via Beijing
Return16:30UBN00:10BKK7h 15m1 stop · via Beijing
Operated byHainan AirlinesOMAir China
Hainan AirlinesOMAir China฿22,147
฿26,561-17%
Save ฿4,414
Hainan AirlinesOMAir ChinaRoundtrip total฿22,147฿26,561−17%Save ฿4,414View deal
9 seats left
Sep 29 → Oct 88 nights
Roundtrip
- Depart
- Sep 29
- Return
- Oct 8
Out19:35BKK → UBN12:007h 20m · 1 stop · via Beijing7h 20m · 1 stop
Return13:40UBN → BKK00:109h 20m · 1 stop · via Seoul9h 20m · 1 stop
Outbound19:35BKK12:00UBN7h 20m1 stop · via Beijing
Return13:40UBN00:10BKK9h 20m1 stop · via Seoul
Operated byAir ChinaOMJeju Air
Air ChinaOMJeju Air฿22,179
฿26,561-16%
Save ฿4,382
Air ChinaOMJeju AirRoundtrip total฿22,179฿26,561−16%Save ฿4,382View deal
Sep 21 → Oct 413 nights
Roundtrip
- Depart
- Sep 21
- Return
- Oct 4
Out02:25BKK → UBN19:358h 35m · 1 stop · via Seoul8h 35m · 1 stop
Return16:30UBN → BKK00:107h 25m · 1 stop · via Beijing7h 25m · 1 stop
Outbound02:25BKK19:35UBN8h 35m1 stop · via Seoul
Return16:30UBN00:10BKK7h 25m1 stop · via Beijing
Operated byM0Thai VietJet AirAir China
Thai VietJet AirAir China฿22,222
฿26,561-16%
Save ฿4,339
M0Thai VietJet AirAir China
Thai VietJet AirAir ChinaRoundtrip total฿22,222฿26,561−16%Save ฿4,339View deal
4 seats left
One-way deals
22 fares · from ฿11,078
Outbound fare only — add a return separately if you need one.
Trip datesFlight itineraryTotal fareView
mon · Sep 21One way
Departuremon · Sep 21
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฿11,078
฿12,981-15%
฿1,903 below average
M0Thai VietJet Air
Thai VietJet AirOne-way fare฿11,078฿12,981−15%Save ฿1,903View deal
Cheapest of September 2026Down from ฿12,384 on Sep 7
4 seats leftwed · 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 leftsat · Sep 19One way
Departuresat · Sep 19
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
Lowest 10% of September 2026
9 seats leftsat · Sep 26One way
Departuresat · Sep 26
One way2026
13:50BKK → UBN05:307h 35m · 1 stop
7h 5m layover Beijing
Outbound13:50BKK05:30UBN7h 35m1 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
Lowest 10% of September 2026
9 seats leftmon · Sep 14One way
Departuremon · Sep 14
One way2026
00:05BKK → UBN13:209h 15m · 1 stop
3h layover Seoul
Outbound00:05BKK13:20UBN9h 15m1 stop · via Seoul
Operated byT'way Air
T'way Air฿11,703
฿12,981-10%
฿1,278 below average
T'way AirOne-way fare฿11,703฿12,981−10%Save ฿1,278View deal
sun · Sep 13One way
Departuresun · Sep 13
One way2026
00:05BKK → UBN13:209h 15m · 1 stop
3h layover Seoul
Outbound00:05BKK13:20UBN9h 15m1 stop · via Seoul
Operated byT'way Air
T'way Air฿11,703
฿12,981-10%
฿1,278 below average
T'way AirOne-way fare฿11,703฿12,981−10%Save ฿1,278View deal
wed · Sep 23One way
Departurewed · Sep 23
One way2026
13:50BKK → UBN05:307h 35m · 1 stop
7h 5m layover Beijing
Outbound13:50BKK05:30UBN7h 35m1 stop · via Beijing
Operated byHainan AirlinesOM
Hainan AirlinesOM฿11,704
฿12,981-10%
฿1,277 below average
Hainan AirlinesOMOne-way fare฿11,704฿12,981−10%Save ฿1,277View deal
sun · Sep 27One way
Departuresun · Sep 27
One way2026
19:35BKK → UBN12:007h 20m · 1 stop
8h 5m layover Beijing
Outbound19:35BKK12:00UBN7h 20m1 stop · via Beijing
Operated byAir ChinaOM
Air ChinaOM฿12,137
฿12,981-7%
฿844 below average
Air ChinaOMOne-way fare฿12,137฿12,981−7%Save ฿844View deal
wed · Sep 16One way
Departurewed · Sep 16
One way2026
00:05BKK → UBN13:209h 15m · 1 stop
3h layover Seoul
Outbound00:05BKK13:20UBN9h 15m1 stop · via Seoul
Operated byT'way Air
T'way Air฿12,244
฿12,981-6%
฿737 below average
T'way AirOne-way fare฿12,244฿12,981−6%Save ฿737View deal
Down from ฿10,609 on Jul 28
tue · Sep 29One way
Departuretue · Sep 29
One way2026
19:35BKK → UBN12:007h 20m · 1 stop
8h 5m layover Beijing
Outbound19:35BKK12:00UBN7h 20m1 stop · via Beijing
Operated byAir ChinaOM
Air ChinaOM฿12,922
฿12,981
฿59 below average
Air ChinaOMOne-way fare฿12,922฿12,981Save ฿59View deal
wed · Sep 9One way
Departurewed · Sep 9
One way2026
19:35BKK → UBN10:506h 55m · 1 stop
7h 20m layover Beijing
Outbound19:35BKK10:50UBN6h 55m1 stop · via Beijing
Operated byAir China
Air China฿13,014
Air ChinaCurrent fare
One-way fare฿13,014Current fareView deal
9 seats left
mon · Sep 28One way
Departuremon · Sep 28
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฿13,110
M0Thai VietJet Air
Thai VietJet AirCurrent fare
One-way fare฿13,110Current fareView deal
4 seats left
fri · Sep 11One way
Departurefri · Sep 11
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฿13,526
OMThai VietJet Air
Thai VietJet AirCurrent fare
One-way fare฿13,526Current fareView deal
tue · Sep 15One way
Departuretue · Sep 15
One way2026
01:10BKK → UBN17:009h 25m · 1 stop
5h 25m layover Seoul
Outbound01:10BKK17:00UBN9h 25m1 stop · via Seoul
Operated byJeju AirOM
Jeju AirOM฿13,649
Jeju AirOMCurrent fare
One-way fare฿13,649Current fareView deal
9 seats left
fri · Sep 25One way
Departurefri · Sep 25
One way2026
22:45BKK → UBN11:109h 5m · 1 stop
2h 20m layover Seoul
Outbound22:45BKK11:10UBN9h 5m1 stop · via Seoul
Operated by
Korean Air
Air Premia
Korean AirAir Premia฿13,806
Korean AirAir PremiaCurrent fare
One-way fare฿13,806Current fareView deal
sun · Sep 20One way
Departuresun · Sep 20
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฿13,845
Jeju AirT'way AirCurrent fare
One-way fare฿13,845Current fareView deal
tue · Sep 22One way
Departuretue · Sep 22
One way2026
19:35BKK → UBN12:007h 20m · 1 stop
8h 5m layover Beijing
Outbound19:35BKK12:00UBN7h 20m1 stop · via Beijing
Operated byAir ChinaOM
Air ChinaOM฿14,119
Air ChinaOMCurrent fare
One-way fare฿14,119Current fareView deal
thu · Sep 17One way
Departurethu · Sep 17
One way2026
01:10BKK → UBN17:009h 25m · 1 stop
5h 25m layover Seoul
Outbound01:10BKK17:00UBN9h 25m1 stop · via Seoul
Operated byJeju AirOM
Jeju AirOM฿14,264
Jeju AirOMCurrent fare
One-way fare฿14,264Current fareView deal
9 seats left
thu · Sep 24One way
Departurethu · Sep 24
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฿14,545
OMThai VietJet Air
Thai VietJet AirCurrent fare
One-way fare฿14,545Current fareView deal
9 seats left
fri · Sep 18One way
Departurefri · Sep 18
One way2026
19:35BKK → UBN10:506h 55m · 1 stop
7h 20m layover Beijing
Outbound19:35BKK10:50UBN6h 55m1 stop · via Beijing
Operated byAir China
Air China฿15,281
Air ChinaCurrent fare
One-way fare฿15,281Current fareView deal
9 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
September 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
423Trips 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฿19,969
Typical low฿24,238
Typical฿25,576
Typical high฿27,587
Flexible dates
Cheapest departure dates for Ulaanbaatar
Compare nearby dates to see where the better prices are. Always check the final price before booking.
฿27,436
Sep 9
฿29,320
Sep 10
฿26,824
Sep 11
฿29,655
Sep 12
฿25,480
Sep 13
฿25,136
Sep 14
฿27,007
Sep 15
฿25,136
Sep 16
฿26,688
Sep 17
฿27,921
Sep 18
฿25,229
Sep 20
฿22,920
Sep 21
฿25,609
Sep 22
฿23,491
Sep 23
฿26,150
Sep 24
฿25,186
Sep 25
฿24,188
Sep 26
฿23,607
Sep 27
฿25,576
Sep 28
฿24,549
Sep 29
฿23,760
Sep 30
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 |
|---|---|---|---|---|
| 1M0 | ฿19,969 | ฿21,946–฿24,017 | 20 | 0% |
| 2Jeju Air | ฿19,969 | ฿24,202–฿28,226 | 138 | 0% |
| 3Thai VietJet Air | ฿19,969 | ฿24,583–฿27,436 | 137 | 0% |
| 4Hainan Airlines | ฿20,509 | ฿22,761–฿25,240 | 73 | 0% |
| 5OM | ฿20,509 | ฿24,141–฿27,661 | 239 | 0% |
| 6Air China | ฿21,396 | ฿23,799–฿26,156 | 200 | 0% |
| 7T'way Air | ฿22,074 | ฿24,970–฿28,140 | 137 | 0% |
| 8MR | ฿22,920 | ฿24,583–฿27,901 | 64 | 0% |
| 9Korean Air | ฿23,062 | ฿25,240–฿28,467 | 76 | 0% |
| 10Air Premia | ฿23,062 | ฿25,465–฿28,853 | 49 | 0% |
| 11Thai AirAsia | ฿23,578 | — | 7 | — |
| 12Asiana Airlines | ฿23,578 | ฿25,333–฿27,654 | 36 | 0% |
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.
Explore related searches
Common questions about Ulaanbaatar
What is the lowest available one-way fare for Ulaanbaatar?
The lowest available one-way fare is ฿11,078. It is compared only with other one-way fares.
What is the lowest available roundtrip fare for Ulaanbaatar?
The lowest available roundtrip fare is ฿19,969. Check the dates, baggage and final total before booking.
What is a typical fare for Ulaanbaatar?
A typical fare is ฿25,576. Many available options sit between ฿24,238 and ฿27,587.
How many choices are available for Ulaanbaatar?
Choose from 423 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?
Sep 2026 has the lowest available roundtrip fare, from ฿19,969.
What is the cheapest flight from Bangkok to Ulaanbaatar?
The lowest currently observed flight from Bangkok to Ulaanbaatar is ฿19,969. Confirm the final itinerary total and availability before booking.
When is the best time to fly from Bangkok to Ulaanbaatar?
Based on current prices, September 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.