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Cheap flights Seoul to Ulaanbaatar (Chinggis Khaan)

1 passenger, economy

Cheap flights Seoul to Ulaanbaatar

Compare prices, duration and stops

Columbia Pacific Airline
7C 907
10:55
Seoul, Gimpo International Airport (GMP)
Wed, 16 sep
29h 40min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 17 sep +1
117 £
MIAT Mongolian Airlines
OM 308
15:05
Seoul, Incheon International Airport (ICN)
Wed, 16 sep
3h 40min
Direct
18:45
Ulaanbaatar, Chinggis Khaan (UBN)
Wed, 16 sep
151 £
MIAT Mongolian Airlines
OM 302
05:20
Seoul, Incheon International Airport (ICN)
Thu, 17 sep
3h 40min
Direct
09:00
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 17 sep
141 £
Air Busan
BX 8817
05:20
Seoul, Gimpo International Airport (GMP)
Thu, 17 sep
35h 30min
1 stop
16:50
Ulaanbaatar, Chinggis Khaan (UBN)
Fri, 18 sep +1
160 £
T'Way Air
TW 925
05:55
Seoul, Gimpo International Airport (GMP)
Thu, 17 sep
10h 40min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 17 sep
133 £
Columbia Pacific Airline
7C 907
10:55
Seoul, Gimpo International Airport (GMP)
Thu, 17 sep
29h 55min
1 stop
16:50
Ulaanbaatar, Chinggis Khaan (UBN)
Fri, 18 sep +1
162 £
MIAT Mongolian Airlines
OM 308
15:05
Seoul, Incheon International Airport (ICN)
Thu, 17 sep
3h 40min
Direct
18:45
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 17 sep
144 £
MIAT Mongolian Airlines
OM 310
16:50
Seoul, Incheon International Airport (ICN)
Thu, 17 sep
3h 40min
Direct
20:30
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 17 sep
142 £
Air Busan
BX 8811
02:40
Seoul, Gimpo International Airport (GMP)
Fri, 18 sep
37h 55min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 19 sep +1
131 £
T'Way Air
TW 927
09:50
Seoul, Gimpo International Airport (GMP)
Fri, 18 sep
30h 45min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 19 sep +1
128 £
Columbia Pacific Airline
7C 5203
01:00
Seoul, Incheon International Airport (ICN)
Sat, 19 sep
3h 40min
Direct
04:40
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 19 sep
109 £
Air Busan
BX 8823
09:40
Seoul, Gimpo International Airport (GMP)
Sat, 19 sep
30h 55min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 20 sep +1
112 £
T'Way Air
TW 927
09:50
Seoul, Gimpo International Airport (GMP)
Sat, 19 sep
30h 45min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 20 sep +1
166 £
Columbia Pacific Airline
7C 907
10:55
Seoul, Gimpo International Airport (GMP)
Sat, 19 sep
29h 40min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 20 sep +1
169 £
Air Busan
BX 8827
11:00
Seoul, Gimpo International Airport (GMP)
Sat, 19 sep
29h 35min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 20 sep +1
125 £
Air Busan
BX 8803
22:20
Seoul, Gimpo International Airport (GMP)
Sat, 19 sep
18h 15min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 20 sep +1
163 £
Columbia Pacific Airline
7C 5203
01:00
Seoul, Incheon International Airport (ICN)
Sun, 20 sep
3h 40min
Direct
04:40
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 20 sep
116 £
Air Busan
BX 8809
01:40
Seoul, Gimpo International Airport (GMP)
Sun, 20 sep
14h 55min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 20 sep
137 £
Air Busan
BX 8813
03:40
Seoul, Gimpo International Airport (GMP)
Sun, 20 sep
12h 55min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 20 sep
127 £
Columbia Pacific Airline
7C 5203
01:00
Seoul, Incheon International Airport (ICN)
Mon, 21 sep
3h 40min
Direct
04:40
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 21 sep
137 £
Air Busan
BX 8813
03:40
Seoul, Gimpo International Airport (GMP)
Mon, 21 sep
12h 50min
1 stop
16:30
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 21 sep
153 £
Air Busan
BX 8817
05:20
Seoul, Gimpo International Airport (GMP)
Mon, 21 sep
11h 10min
1 stop
16:30
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 21 sep
158 £
Air Busan
BX 8821
07:40
Seoul, Gimpo International Airport (GMP)
Mon, 21 sep
8h 50min
1 stop
16:30
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 21 sep
139 £
Air Busan
BX 8823
09:40
Seoul, Gimpo International Airport (GMP)
Thu, 24 sep
54h 55min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 26 sep +1
139 £
Air Busan
BX 8827
11:00
Seoul, Gimpo International Airport (GMP)
Thu, 24 sep
53h 35min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 26 sep +1
138 £
Air Busan
BX 8811
02:40
Seoul, Gimpo International Airport (GMP)
Fri, 25 sep
37h 55min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 26 sep +1
138 £
Air Busan
BX 8817
05:20
Seoul, Gimpo International Airport (GMP)
Fri, 25 sep
35h 15min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 26 sep +1
125 £
Air Busan
BX 8823
09:40
Seoul, Gimpo International Airport (GMP)
Fri, 25 sep
30h 55min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 26 sep +1
148 £
Air Busan
BX 8827
11:00
Seoul, Gimpo International Airport (GMP)
Fri, 25 sep
29h 35min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 26 sep +1
151 £
Asiana Airlines
OZ 567
11:20
Seoul, Incheon International Airport (ICN)
Fri, 25 sep
3h 45min
Direct
15:05
Ulaanbaatar, Chinggis Khaan (UBN)
Fri, 25 sep
127 £
Air Busan
BX 8803
22:20
Seoul, Gimpo International Airport (GMP)
Fri, 25 sep
18h 15min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 26 sep +1
160 £
Columbia Pacific Airline
7C 5203 🔥 Hot deal Best price
01:00
Seoul, Incheon International Airport (ICN)
Sat, 26 sep
3h 40min
Direct
04:40
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 26 sep
81 £
Asiana Airlines
OZ 567
11:20
Seoul, Incheon International Airport (ICN)
Sat, 26 sep
3h 45min
Direct
15:05
Ulaanbaatar, Chinggis Khaan (UBN)
Sat, 26 sep
151 £
Korean Air
KE 1803
22:00
Seoul, Gimpo International Airport (GMP)
Sat, 26 sep
18h 35min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 27 sep +1
150 £
Air Busan
BX 8803
22:20
Seoul, Gimpo International Airport (GMP)
Sat, 26 sep
18h 15min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 27 sep +1
151 £
Columbia Pacific Airline
7C 5203 🔥 Hot deal
01:00
Seoul, Incheon International Airport (ICN)
Sun, 27 sep
3h 40min
Direct
04:40
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 27 sep
81 £
Columbia Pacific Airline
7C 5203 🔥 Hot deal
01:00
Seoul, Incheon International Airport (ICN)
Mon, 28 sep
3h 40min
Direct
04:40
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 28 sep
104 £
Air Busan
BX 8809
01:40
Seoul, Gimpo International Airport (GMP)
Mon, 28 sep
14h 50min
1 stop
16:30
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 28 sep
144 £
Air Busan
BX 8811
02:40
Seoul, Gimpo International Airport (GMP)
Mon, 28 sep
13h 50min
1 stop
16:30
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 28 sep
143 £
Air Busan
BX 8817
05:20
Seoul, Gimpo International Airport (GMP)
Mon, 28 sep
11h 10min
1 stop
16:30
Ulaanbaatar, Chinggis Khaan (UBN)
Mon, 28 sep
132 £
Asiana Airlines
OZ 567
11:20
Seoul, Incheon International Airport (ICN)
Tue, 29 sep
3h 45min
Direct
15:05
Ulaanbaatar, Chinggis Khaan (UBN)
Tue, 29 sep
152 £
Air Busan
BX 8817
05:20
Seoul, Gimpo International Airport (GMP)
Wed, 30 sep
35h 15min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 1 oct +1
144 £
Aero Mongolia
M0 602
07:40
Seoul, Incheon International Airport (ICN)
Wed, 30 sep
2h 55min
Direct
10:35
Ulaanbaatar, Chinggis Khaan (UBN)
Wed, 30 sep
170 £
Columbia Pacific Airline
7C 907
10:55
Seoul, Gimpo International Airport (GMP)
Wed, 30 sep
29h 40min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 1 oct +1
139 £
Asiana Airlines
OZ 567
11:20
Seoul, Incheon International Airport (ICN)
Wed, 30 sep
3h 45min
Direct
15:05
Ulaanbaatar, Chinggis Khaan (UBN)
Wed, 30 sep
152 £
Air Busan
BX 8803
22:20
Seoul, Gimpo International Airport (GMP)
Wed, 30 sep
18h 15min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 1 oct +1
149 £
Air Busan
BX 8807
00:05
Seoul, Gimpo International Airport (GMP)
Thu, 1 oct
16h 30min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 1 oct
114 £
Columbia Pacific Airline
7C 5203
01:00
Seoul, Incheon International Airport (ICN)
Thu, 1 oct
3h 40min
Direct
04:40
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 1 oct
120 £
MIAT Mongolian Airlines
OM 302
05:20
Seoul, Incheon International Airport (ICN)
Thu, 1 oct
3h 40min
Direct
09:00
Ulaanbaatar, Chinggis Khaan (UBN)
Thu, 1 oct
167 £
Air Busan
BX 8809
01:40
Seoul, Gimpo International Airport (GMP)
Fri, 2 oct
62h 55min
1 stop
16:35
Ulaanbaatar, Chinggis Khaan (UBN)
Sun, 4 oct +1
124 £

Low price calendar

September 2026
Price chart (September 2026)
min: 109 £ · max: 159 £
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15
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151 £
17
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159 £
18
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128 £
19
Good deal
109 £
20
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137 £
21
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137 £
22
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23
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24
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138 £
25
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127 £
26
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150 £
27
Good deal
115 £
28
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143 £
29
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152 £
30
Good deal
124 £

Cheap flights Seoul to Ulaanbaatar

Columbia Pacific Airline
Columbia Pacific Airline
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
£97
Asiana Airlines
Asiana Airlines
Mon, Tue, Wed, Fri, Sat
Price from
£121
Cosmos Air
Cosmos Air
Mon, Sun
Price from
£135
Air Busan
Air Busan
Mon, Wed, Thu, Fri, Sat, Sun
Price from
£135
MIAT Mongolian Airlines
MIAT Mongolian Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
£139
Korean Air
Korean Air
Tue, Thu, Sat, Sun
Price from
£150
T'Way Air
T'Way Air
Thu, Fri, Sat
Price from
£154
Aero Mongolia
Aero Mongolia
Mon, Wed, Sat
Price from
£166

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Popular destinations to Ulaanbaatar

All →
PUS
Busan — Ulaanbaatar
South Korea → Mongolia
UBN
from
£50
TYO
Tokyo — Ulaanbaatar
Japan → Mongolia
UBN
from
£56
CJJ
Cheongju — Ulaanbaatar
South Korea → Mongolia
UBN
from
£56
IKT
Irkutsk — Ulaanbaatar
Russia → Mongolia
UBN
from
£57
KYZ
Kyzyl — Ulaanbaatar
Russia → Mongolia
UBN
from
£60
SHA
Shanghai — Ulaanbaatar
China → Mongolia
UBN
from
£71
BJS
Beijing — Ulaanbaatar
China → Mongolia
UBN
from
£95
TAE
Daegu — Ulaanbaatar
South Korea → Mongolia
UBN
from
£101

Cheap flights Seoul to Ulaanbaatar

Interesting facts about the route

Flight time

3h 45min

Distance

1 958 km

Average price

£146

Most frequent flight

7C 5203

Passenger reviews

No reviews for this route yet

Internet abroad

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All plans

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£8

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3 GB

data

30

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£11

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5 GB

data

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£19

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10 GB

data

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£32

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data

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Frequently Asked Questions

The average ticket price Seoul Ulaanbaatar is £146. The cheapest ticket costs £109, operated by Columbia Pacific Airline, flight 5203, departing Seoul on 19 September at 01:00, arriving Ulaanbaatar on 19 September at 04:40.
The average flight time is 29 hours 40 minutes. The fastest flight takes 3 hours 40 minutes, flight 308 operated by MIAT Mongolian Airlines, departing Seoul on 16 September at 15:05, arriving Ulaanbaatar on 16 September at 18:45.
Flights on the Seoul - Ulaanbaatar route are operated by the following airlines: Columbia Pacific Airline, Air Busan, Korean Air, Aero Mongolia, MIAT Mongolian Airlines, Asiana Airlines, T'way Air, Cosmos Air.
The distance from Seoul to Ulaanbaatar is 1958 km.