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Cheap flights Ulaanbaatar (Chinggis Khaan) to Busan (Gimhae)

1 passenger, economy

Cheap flights Ulaanbaatar to Busan

Compare prices, duration and stops

T'Way Air
TW 422
06:50
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 14 sep
20h 5min
1 stop
02:55
Busan, Gimhae (PUS)
Tue, 15 sep +1
342 S$
Air China
CA 956
08:30
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 14 sep
18h 15min
1 stop
02:45
Busan, Gimhae (PUS)
Tue, 15 sep +1
352 S$
Asiana Airlines
OZ 568
16:25
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 14 sep
10h 35min
1 stop
03:00
Busan, Gimhae (PUS)
Tue, 15 sep +1
510 S$
Sierra National Airlines
LJ 782
17:30
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 14 sep
3h 40min
Direct
21:10
Busan, Gimhae (PUS)
Mon, 14 sep
286 S$
Sierra National Airlines
LJ 782
17:50
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 14 sep
3h 40min
Direct
21:30
Busan, Gimhae (PUS)
Mon, 14 sep
390 S$
MIAT Mongolian Airlines
OM 309
12:30
Ulaanbaatar, Chinggis Khaan (UBN)
Tue, 15 sep
23h 35min
1 stop
12:05
Busan, Gimhae (PUS)
Wed, 16 sep +1
507 S$
Air Busan
BX 412 🔥 Hot deal
17:50
Ulaanbaatar, Chinggis Khaan (UBN)
Tue, 15 sep
3h 30min
Direct
21:20
Busan, Gimhae (PUS)
Tue, 15 sep
255 S$
Air China
CA 902
03:50
Ulaanbaatar, Chinggis Khaan (UBN)
Wed, 16 sep
22h 55min
1 stop
02:45
Busan, Gimhae (PUS)
Thu, 17 sep +1
351 S$
Asiana Airlines
OZ 568
16:25
Ulaanbaatar, Chinggis Khaan (UBN)
Wed, 16 sep
8h 5min
1 stop
00:30
Busan, Gimhae (PUS)
Thu, 17 sep +1
402 S$
Columbia Pacific Airline
7C 5258
18:20
Ulaanbaatar, Chinggis Khaan (UBN)
Wed, 16 sep
3h 30min
Direct
21:50
Busan, Gimhae (PUS)
Wed, 16 sep
288 S$
Korean Air
KE 2042
05:00
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 17 sep
25h 5min
1 stop
06:05
Busan, Gimhae (PUS)
Fri, 18 sep +1
356 S$
Columbia Pacific Airline
7C 5204
05:40
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 17 sep
17h 50min
1 stop
23:30
Busan, Gimhae (PUS)
Thu, 17 sep
419 S$
MIAT Mongolian Airlines
OM 307
10:15
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 17 sep
17h 30min
1 stop
03:45
Busan, Gimhae (PUS)
Fri, 18 sep +1
346 S$
Columbia Pacific Airline
7C 5258
17:35
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 17 sep
3h 40min
Direct
21:15
Busan, Gimhae (PUS)
Thu, 17 sep
189 S$
Columbia Pacific Airline
7C 5258
18:20
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 17 sep
3h 30min
Direct
21:50
Busan, Gimhae (PUS)
Thu, 17 sep
296 S$
Sierra National Airlines
LJ 782
17:30
Ulaanbaatar, Chinggis Khaan (UBN)
Fri, 18 sep
3h 40min
Direct
21:10
Busan, Gimhae (PUS)
Fri, 18 sep
256 S$
Sierra National Airlines
LJ 782
17:50
Ulaanbaatar, Chinggis Khaan (UBN)
Fri, 18 sep
3h 40min
Direct
21:30
Busan, Gimhae (PUS)
Fri, 18 sep
222 S$
Air Busan
BX 412 🔥 Hot deal
17:50
Ulaanbaatar, Chinggis Khaan (UBN)
Fri, 18 sep
3h 30min
Direct
21:20
Busan, Gimhae (PUS)
Fri, 18 sep
232 S$
Columbia Pacific Airline
7C 5258
17:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 19 sep
3h 40min
Direct
21:15
Busan, Gimhae (PUS)
Sat, 19 sep
204 S$
Korean Air
KE 2046
16:45
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 20 sep
6h
1 stop
22:45
Busan, Gimhae (PUS)
Sun, 20 sep
432 S$
Columbia Pacific Airline
7C 5258
17:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 20 sep
3h 40min
Direct
21:15
Busan, Gimhae (PUS)
Sun, 20 sep
192 S$
Columbia Pacific Airline
7C 5258
18:20
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 20 sep
3h 30min
Direct
21:50
Busan, Gimhae (PUS)
Sun, 20 sep
362 S$
Columbia Pacific Airline
7C 5204
05:40
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 21 sep
17h 50min
1 stop
23:30
Busan, Gimhae (PUS)
Mon, 21 sep
389 S$
Asiana Airlines
OZ 5512
16:25
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 21 sep
8h 5min
1 stop
00:30
Busan, Gimhae (PUS)
Tue, 22 sep +1
361 S$
Asiana Airlines
OZ 568
16:25
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 21 sep
8h 45min
1 stop
01:10
Busan, Gimhae (PUS)
Tue, 22 sep +1
460 S$
Sierra National Airlines
LJ 782
17:30
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 21 sep
3h 40min
Direct
21:10
Busan, Gimhae (PUS)
Mon, 21 sep
280 S$
Korean Air
KE 2042
05:00
Ulaanbaatar, Chinggis Khaan (UBN)
Tue, 22 sep
6h 45min
1 stop
11:45
Busan, Gimhae (PUS)
Tue, 22 sep
359 S$
Columbia Pacific Airline
7C 5204
05:40
Ulaanbaatar, Chinggis Khaan (UBN)
Tue, 22 sep
17h 50min
1 stop
23:30
Busan, Gimhae (PUS)
Tue, 22 sep
313 S$
MIAT Mongolian Airlines
OM 223
09:55
Ulaanbaatar, Chinggis Khaan (UBN)
Tue, 22 sep
11h 35min
1 stop
21:30
Busan, Gimhae (PUS)
Tue, 22 sep
420 S$
Air Busan
BX 412 🔥 Hot deal
17:50
Ulaanbaatar, Chinggis Khaan (UBN)
Tue, 22 sep
3h 30min
Direct
21:20
Busan, Gimhae (PUS)
Tue, 22 sep
231 S$
Asiana Airlines
OZ 568
17:50
Ulaanbaatar, Chinggis Khaan (UBN)
Tue, 22 sep
17h 55min
1 stop
11:45
Busan, Gimhae (PUS)
Wed, 23 sep +1
330 S$
Korean Air
KE 2042
05:00
Ulaanbaatar, Chinggis Khaan (UBN)
Wed, 23 sep
6h 45min
1 stop
11:45
Busan, Gimhae (PUS)
Wed, 23 sep
367 S$
Columbia Pacific Airline
7C 5258 🔥 Hot deal
17:35
Ulaanbaatar, Chinggis Khaan (UBN)
Wed, 23 sep
3h 40min
Direct
21:15
Busan, Gimhae (PUS)
Wed, 23 sep
160 S$
Columbia Pacific Airline
7C 5258 🔥 Hot deal
18:20
Ulaanbaatar, Chinggis Khaan (UBN)
Wed, 23 sep
3h 30min
Direct
21:50
Busan, Gimhae (PUS)
Wed, 23 sep
239 S$
Columbia Pacific Airline
7C 5258 🔥 Hot deal
17:35
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 24 sep
3h 40min
Direct
21:15
Busan, Gimhae (PUS)
Thu, 24 sep
142 S$
Columbia Pacific Airline
7C 5258 🔥 Hot deal
18:20
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 24 sep
3h 30min
Direct
21:50
Busan, Gimhae (PUS)
Thu, 24 sep
267 S$
Asiana Airlines
OZ 568
16:25
Ulaanbaatar, Chinggis Khaan (UBN)
Fri, 25 sep
8h 45min
1 stop
01:10
Busan, Gimhae (PUS)
Sat, 26 sep +1
350 S$
Air Busan
BX 412
17:50
Ulaanbaatar, Chinggis Khaan (UBN)
Fri, 25 sep
3h 30min
Direct
21:20
Busan, Gimhae (PUS)
Fri, 25 sep
239 S$
Sierra National Airlines
LJ 782
17:50
Ulaanbaatar, Chinggis Khaan (UBN)
Fri, 25 sep
3h 40min
Direct
21:30
Busan, Gimhae (PUS)
Fri, 25 sep
265 S$
Columbia Pacific Airline
7C 9890
05:40
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 26 sep
49h 45min
1 stop
07:25
Busan, Gimhae (PUS)
Mon, 28 sep +1
386 S$
MIAT Mongolian Airlines
OM 227
15:45
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 26 sep
29h 45min
1 stop
21:30
Busan, Gimhae (PUS)
Sun, 27 sep +1
346 S$
Columbia Pacific Airline
7C 5258
18:20
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 26 sep
3h 30min
Direct
21:50
Busan, Gimhae (PUS)
Sat, 26 sep
589 S$
Air China
CA 956
08:30
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 27 sep
18h 15min
1 stop
02:45
Busan, Gimhae (PUS)
Mon, 28 sep +1
452 S$
MIAT Mongolian Airlines
OM 223
09:55
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 27 sep
16h 50min
1 stop
02:45
Busan, Gimhae (PUS)
Mon, 28 sep +1
495 S$
Columbia Pacific Airline
7C 5258
18:20
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 27 sep
3h 30min
Direct
21:50
Busan, Gimhae (PUS)
Sun, 27 sep
447 S$
Columbia Pacific Airline
7C 5204
05:40
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 28 sep
30h 25min
1 stop
12:05
Busan, Gimhae (PUS)
Tue, 29 sep +1
380 S$
Columbia Pacific Airline
7C 5204
05:40
Ulaanbaatar, Chinggis Khaan (UBN)
Tue, 29 sep
30h 25min
1 stop
12:05
Busan, Gimhae (PUS)
Wed, 30 sep +1
293 S$
Asiana Airlines
OZ 568
16:25
Ulaanbaatar, Chinggis Khaan (UBN)
Tue, 29 sep
19h 40min
1 stop
12:05
Busan, Gimhae (PUS)
Wed, 30 sep +1
329 S$
MIAT Mongolian Airlines
OM 307
10:15
Ulaanbaatar, Chinggis Khaan (UBN)
Wed, 30 sep
13h 15min
1 stop
23:30
Busan, Gimhae (PUS)
Wed, 30 sep
333 S$
Asiana Airlines
OZ 568
16:25
Ulaanbaatar, Chinggis Khaan (UBN)
Wed, 30 sep
14h
1 stop
06:25
Busan, Gimhae (PUS)
Thu, 1 oct +1
316 S$

Low price calendar

September 2026
Price chart (September 2026)
min: 206 S$ · max: 589 S$
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Fri
Sat
Sun
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390 S$
15
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255 S$
16
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288 S$
17
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296 S$
18
Good deal
232 S$
19
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284 S$
20
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362 S$
21
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280 S$
22
Good deal
231 S$
23
Good deal
239 S$
24
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267 S$
25
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265 S$
26
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589 S$
27
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447 S$
28
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380 S$
29
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293 S$
30
Good deal
206 S$

Cheap flights Ulaanbaatar to Busan

Columbia Pacific Airline
Columbia Pacific Airline
Mon, Tue, Wed, Thu, Sat, Sun
Price from
S$206
Sierra National Airlines
Sierra National Airlines
Mon, Fri
Price from
S$230
Air Busan
Air Busan
Tue, Fri
Price from
S$231
MIAT Mongolian Airlines
MIAT Mongolian Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
S$322
Asiana Airlines
Asiana Airlines
Mon, Tue, Wed, Fri, Sat
Price from
S$322
Air China
Air China
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
S$341
Aero Mongolia
Aero Mongolia
Mon, Wed, Sat
Price from
S$344
Korean Air
Korean Air
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
S$366

Popular destinations from Ulaanbaatar

All →
UBN
Ulaanbaatar — Ulgii
Mongolia → Mongolia
ULG
from
S$90
UBN
Ulaanbaatar — Erenhot
Mongolia → China
ERL
from
S$110
UBN
Ulaanbaatar — Cheongju
Mongolia → South Korea
CJJ
from
S$111
UBN
Ulaanbaatar — Kyzyl
Mongolia → Russia
KYZ
from
S$126
UBN
Ulaanbaatar — Manzhouli
Mongolia → China
NZH
from
S$134
UBN
Ulaanbaatar — Seoul
Mongolia → South Korea
ICN
from
S$134
UBN
Ulaanbaatar — Seoul
Mongolia → South Korea
SEL
from
S$134
UBN
Ulaanbaatar — Hohhot
Mongolia → China
HET
from
S$143

Popular destinations to Busan

All →
CJU
Jeju — Busan
South Korea → South Korea
PUS
from
S$14
SEL
Seoul — Busan
South Korea → South Korea
PUS
from
S$17
TPE
Taipei — Busan
Taiwan → South Korea
PUS
from
S$77
YNJ
Yanji — Busan
China → South Korea
PUS
from
S$79
OSA
Osaka — Busan
Japan → South Korea
PUS
from
S$81
SHA
Shanghai — Busan
China → South Korea
PUS
from
S$82
DAD
Da Nang — Busan
Vietnam → South Korea
PUS
from
S$95
NHA
Nha Trang — Busan
Vietnam → South Korea
PUS
from
S$99

Cheap flights Ulaanbaatar to Busan

Interesting facts about the route

Flight time

17h 50min

Distance

2 294 km

Average price

S$348

Most frequent flight

7C 5204

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · South Korea

All plans

jjang

5 GB

data

30

days

S$14

Buy

jjang

10 GB

data

30

days

S$25

Buy

lgu

data

10

days

S$41

Buy

jjang

20 GB

data

30

days

S$41

Buy

jjang

1 GB

data

7

days

S$6

Buy

Frequently Asked Questions

The average ticket price Ulaanbaatar Busan is S$348. The cheapest ticket costs S$189, operated by Columbia Pacific Airline, flight 5258, departing Ulaanbaatar on 17 September at 17:35, arriving Busan on 17 September at 21:15.
The average flight time is 17 hours 30 minutes. The fastest flight takes 3 hours 30 minutes, flight 5258 operated by Columbia Pacific Airline, departing Ulaanbaatar on 16 September at 18:20, arriving Busan on 16 September at 21:50.
Flights on the Ulaanbaatar - Busan route are operated by the following airlines: Columbia Pacific Airline, Air Busan, Air China, Korean Air, Sierra National Airlines, Aero Mongolia, MIAT Mongolian Airlines, Asiana Airlines.
The distance from Ulaanbaatar to Busan is 2294 km.