Typical price difference
-6%฿24,334 here compared with ฿26,003
One-way and roundtrip flights from Bangkok10°Cold
Flights to Ulaanbaatar in September 2026
🏙️City
DepartureTue, Sep 15± 15 days
- Lowest fare
- ฿9,288 Sep 16
- Roundtrip from
- ฿20,507
- Typical roundtrip
- ฿24,334
Top deals
Flights and prices
Ulaanbaatar: prices, dates and useful details
Planning a trip to Ulaanbaatar? Compare dates, airlines, flight times and direct options from Bangkok. 30 one-way fares from ฿9,288 · 570 roundtrips from ฿20,507. These results are for september 2026.
- One way from
- ฿9,288
- 30 outbound-only options
- Roundtrip from
- ฿20,507
- 570 complete trips
- Typical roundtrip
- ฿24,334
- Half cost less, half cost more
- Flight options
- 570
- Roundtrips available
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Daily prices to Ulaanbaatar15 days around September 15, 2026
AvgMinp25–p75
Cheapest
฿9,288
Sep 16
Global average
฿12,883
All travel dates
September avg
฿11,615
Selected month
Sort bySort by
Best Deals
Trip datesFlight itineraryTotal fareView
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 by
T'way Air
T'way Air฿9,288
฿12,883-28%
฿3,595 below average
T'way AirOne-way fare฿9,288฿12,883−28%Save ฿3,595View deal
Cheapest of September 2026
sun · Sep 13One way
Departuresun · Sep 13
One way2026
00:05BKK → UBN12:409h 15m · 1 stop
2h 20m layover Seoul
Outbound00:05BKK12:40UBN9h 15m1 stop · via Seoul
Operated by
Jeju AirT'way Air
Jeju AirT'way Air฿9,431
฿12,883-27%
฿3,452 below average
Jeju AirT'way AirOne-way fare฿9,431฿12,883−27%Save ฿3,452View deal
Lowest 10% in next 365 days
tue · Sep 15One way
Departuretue · Sep 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฿9,535
฿12,883-26%
฿3,348 below average
Jeju AirT'way AirOne-way fare฿9,535฿12,883−26%Save ฿3,348View deal
Lowest 10% in next 365 days
mon · 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฿9,952
฿12,883-23%
฿2,931 below average
T'way AirOne-way fare฿9,952฿12,883−23%Save ฿2,931View deal
sun · Sep 6One way
Departuresun · Sep 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฿10,798
฿12,883-16%
฿2,085 below average
Jeju AirT'way AirOne-way fare฿10,798฿12,883−16%Save ฿2,085View deal
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 byM0
Thai VietJet Air
Thai VietJet Air฿10,841
฿12,883-16%
฿2,042 below average
M0Thai VietJet Air
Thai VietJet AirOne-way fare฿10,841฿12,883−16%Save ฿2,042View deal
4 seats left
sat · Sep 12One way
Departuresat · Sep 12
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฿10,928
฿12,883-15%
฿1,955 below average
Jeju AirT'way AirOne-way fare฿10,928฿12,883−15%Save ฿1,955View deal
3 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฿11,267
฿12,883-13%
฿1,616 below average
M0Thai VietJet Air
Thai VietJet AirOne-way fare฿11,267฿12,883−13%Save ฿1,616View deal
4 seats left
tue · Sep 1One way
Departuretue · Sep 1
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฿11,343
฿12,883-12%
฿1,540 below average
Jeju AirT'way AirOne-way fare฿11,343฿12,883−12%Save ฿1,540View deal
mon · Aug 31One way
Departuremon · Aug 31
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฿11,450
฿12,883-11%
฿1,433 below average
T'way AirOne-way fare฿11,450฿12,883−11%Save ฿1,433View deal
Lowest 10% of August 2026
1 seat leftfri · Sep 25One way
Departurefri · Sep 25
One way2026
22:45BKK → UBN12:409h 10m · 1 stop
3h 45m layover Seoul
Outbound22:45BKK12:40UBN9h 10m1 stop · via Seoul
Operated byJeju Air
Air Premia
Jeju AirAir Premia฿11,506
฿12,883-11%
฿1,377 below average
Jeju AirAir PremiaOne-way fare฿11,506฿12,883−11%Save ฿1,377View deal
mon · Sep 28One way
Departuremon · Sep 28
One way2026
23:30BKK → UBN12:409h 5m · 1 stop
3h 5m layover Seoul
Outbound23:30BKK12:40UBN9h 5m1 stop · via Seoul
Operated byJeju Air
Thai Airways
Jeju AirThai Airways฿11,556
฿12,883-10%
฿1,327 below average
Jeju AirThai AirwaysOne-way fare฿11,556฿12,883−10%Save ฿1,327View deal
fri · Sep 18One way
Departurefri · Sep 18
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฿11,636
฿12,883-10%
฿1,247 below average
M0Thai VietJet Air
Thai VietJet AirOne-way fare฿11,636฿12,883−10%Save ฿1,247View deal
mon · Sep 7One way
Departuremon · Sep 7
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฿11,636
฿12,883-10%
฿1,247 below average
M0Thai VietJet Air
Thai VietJet AirOne-way fare฿11,636฿12,883−10%Save ฿1,247View deal
wed · Sep 9One way
Departurewed · Sep 9
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฿11,671
฿12,883-9%
฿1,212 below average
M0Thai VietJet Air
Thai VietJet AirOne-way fare฿11,671฿12,883−9%Save ฿1,212View deal
4 seats left
wed · Sep 2One way
Departurewed · Sep 2
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฿11,675
฿12,883-9%
฿1,208 below average
M0Thai VietJet Air
Thai VietJet AirOne-way fare฿11,675฿12,883−9%Save ฿1,208View deal
4 seats left
tue · Sep 22One way
Departuretue · Sep 22
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฿11,703
฿12,883-9%
฿1,180 below average
OMThai VietJet Air
Thai VietJet AirOne-way fare฿11,703฿12,883−9%Save ฿1,180View deal
sat · Sep 5One way
Departuresat · Sep 5
One way2026
23:30BKK → UBN12:409h 5m · 1 stop
3h 5m layover Seoul
Outbound23:30BKK12:40UBN9h 5m1 stop · via Seoul
Operated byJeju AirThai Airways
Jeju AirThai Airways฿11,728
฿12,883-9%
฿1,155 below average
Jeju AirThai AirwaysOne-way fare฿11,728฿12,883−9%Save ฿1,155View deal
sat · 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 by
Hainan AirlinesOM
Hainan AirlinesOM฿11,961
฿12,883-7%
฿922 below average
Hainan AirlinesOMOne-way fare฿11,961฿12,883−7%Save ฿922View deal
2 seats left
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฿11,961
฿12,883-7%
฿922 below average
Hainan AirlinesOMOne-way fare฿11,961฿12,883−7%Save ฿922View deal
1 seat 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%-1 points compared with other flights
Typical flight time
9h 15m1h 40m longer than the comparison
Roundtrip options
570Trips 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฿20,507
Typical low฿23,445
Typical฿24,334
Typical high฿25,649
Flexible dates
Cheapest departure dates for Ulaanbaatar
Compare nearby dates to see where the better prices are. Always check the final price before booking.
฿23,049
Sep 1
฿23,281
Sep 2
฿24,081
Sep 3
฿23,920
Sep 4
฿23,815
Sep 5
฿23,444
Sep 6
฿24,549
Sep 7
฿24,934
Sep 8
฿24,045
Sep 9
฿24,751
Sep 10
฿25,320
Sep 11
฿23,703
Sep 12
฿22,679
Sep 13
฿23,497
Sep 14
฿22,714
Sep 15
฿22,974
Sep 16
฿25,944
Sep 17
฿25,265
Sep 18
฿25,196
Sep 19
฿25,478
Sep 20
฿24,030
Sep 21
฿23,985
Sep 22
฿25,056
Sep 23
฿26,140
Sep 24
฿24,107
Sep 25
฿24,917
Sep 26
฿25,642
Sep 27
฿25,953
Sep 28
฿24,968
Sep 29
฿24,181
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 |
|---|---|---|---|---|
| 1T'way Air | ฿20,507 | ฿23,049–฿24,974 | 261 | 0% |
| 2Jeju Air | ฿20,507 | ฿22,995–฿25,096 | 196 | 0% |
| 3OM | ฿20,507 | ฿23,791–฿25,882 | 428 | 0% |
| 4Thai Airways | ฿20,507 | ฿24,081–฿26,204 | 131 | 0% |
| 5Air China | ฿20,627 | ฿22,885–฿24,902 | 94 | 0% |
| 6Hainan Airlines | ฿20,758 | ฿24,234–฿25,905 | 44 | 0% |
| 7Thai VietJet Air | ฿21,868 | ฿23,510–฿24,951 | 139 | 0% |
| 8Asiana Airlines | ฿21,868 | ฿24,908–฿27,169 | 35 | 0% |
| 9M0 | ฿22,024 | ฿23,274–฿24,279 | 85 | 0% |
| 10Korean Air | ฿22,206 | ฿23,208–฿25,513 | 18 | — |
| 11Air Premia | ฿22,320 | ฿23,994–฿26,151 | 52 | 0% |
| 12Thai Lion Air | ฿22,546 | ฿24,633–฿26,153 | 98 | 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
- Trip styles
- City
- Typical outbound from Bangkok
- 9h 15m
- Typical stay
- 12 nights
Usual temperature, not a forecast
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 ฿9,288. It is compared only with other one-way fares.
What is the lowest available roundtrip fare for Ulaanbaatar?
The lowest available roundtrip fare is ฿20,507. Check the dates, baggage and final total before booking.
What is a typical fare for Ulaanbaatar?
A typical fare is ฿24,334. Many available options sit between ฿23,445 and ฿25,649.
How many choices are available for Ulaanbaatar?
Choose from 570 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 ฿20,507.
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.
Are there direct flights from Bangkok to Ulaanbaatar?
Availability of direct flights depends on the season and airline. Use the "Direct" filter on our search page to find non-stop flights from Bangkok to Ulaanbaatar.