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Ulaanbaatar to Seoul in November 2026 UBN → GMP, ICN

Chinggis Khaan International Airport (UBN) → Gimpo International Airport (GMP), Incheon International Airport (ICN)

For departures in November 2026, the cheapest return found recently is $295 with Jeju Air, 19 Nov – 8 Dec, found yesterday. The cheapest one-way found recently is $143 with Jeju Air, 26 Nov, found yesterday.

Return

In November 2026, the cheapest return fare on each of 20 departure dates is usually $366 to $399. Across all 116 departure dates we hold on this route, it is usually $398 to $421. Of the 10 months with enough return fares to compare, November 2026 is usually the cheapest.

Cheapest return found recently

$295

19 Nov – 8 Dec · Jeju Air

Chinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

Cheapest we hold, of any age

$291

26 Nov – 29 Nov · Jeju Air

Chinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)

out nonstop, back nonstop

found 5 days ago

See prices for these datesCheck today's price

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The cheapest dates in November 2026

DatesFromAirlineStopsFound
26 Nov – 29 Nov$291Jeju Airout nonstop, back nonstopfound 5 days agoSee prices for these dates
19 Nov – 8 Dec$295Jeju Airout nonstop, back nonstopfound yesterdaySee prices for these dates
17 Nov – 29 Nov$300Jeju Airout nonstop, back nonstopfound yesterdaySee prices for these dates
24 Nov – 29 Nov$301Jeju Airout nonstop, back nonstopfound yesterdaySee prices for these dates
18 Nov – 28 Nov$355MIAT Mongolian Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates

Every date we hold

20 departure dates

5 Nov – 21 Nov: $372, found 5 days ago6 Nov – 13 Nov: $398, found yesterday7 Nov – 19 Nov: $402, found 3 days ago8 Nov – 19 Nov: $395, found 3 days ago9 Nov – 13 Nov: $403, found yesterday12 Nov – 21 Nov: $377, found 2 days ago13 Nov – 21 Nov: $406, found 2 days ago14 Nov – 8 Dec: $370, found 3 days ago17 Nov – 29 Nov: $300, found yesterday18 Nov – 28 Nov: $355, found 5 days ago19 Nov – 8 Dec: $295, found yesterday20 Nov – 4 Dec: $401, found 6 days ago21 Nov – 23 Nov: $388, found yesterday24 Nov – 29 Nov: $301, found yesterday25 Nov – 3 Dec: $373, found 6 days ago26 Nov – 29 Nov: $291, found 5 days ago27 Nov – 5 Dec: $401, found 6 days ago28 Nov – 6 Dec: $380, found 6 days ago29 Nov – 7 Dec: $372, found 6 days ago30 Nov – 8 Dec: $378, found 2 days agoNov
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
5 Nov – 21 Nov$372Asiana AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
6 Nov – 13 Nov$398MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
7 Nov – 19 Nov$402MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
8 Nov – 19 Nov$395Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
9 Nov – 13 Nov$403MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
12 Nov – 21 Nov$377Asiana AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
13 Nov – 21 Nov$406MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
14 Nov – 8 Dec$370Aero MongoliaChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
17 Nov – 29 Nov$300Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
18 Nov – 28 Nov$355MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
19 Nov – 8 Dec$295Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
20 Nov – 4 Dec$401MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
21 Nov – 23 Nov$388Aero MongoliaChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
24 Nov – 29 Nov$301Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
25 Nov – 3 Dec$373Aero MongoliaChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
26 Nov – 29 Nov$291Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
27 Nov – 5 Dec$401MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
28 Nov – 6 Dec$380Aero MongoliaChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
29 Nov – 7 Dec$372Asiana AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
30 Nov – 8 Dec$378Aero MongoliaChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $282.

October 2026From $39611 departure dates23 Oct – 8 Dec · found todaySee prices for these datesEvery date in October 2026
November 2026From $29120 departure dates26 Nov – 29 Nov · found 5 days agoSee prices for these dates
December 2026From $282Cheapest seen23 departure dates8 Dec – 15 Dec · found 7 hours agoSee prices for these datesEvery date in December 2026
January 2027From $39013 departure dates20 Jan 2027 – 30 Jan 2027 · found 3 days agoSee prices for these datesEvery date in January 2027
February 2027From $4017 departure dates1 Feb 2027 – 3 Mar 2027 · found 3 days agoSee prices for these datesEvery date in February 2027
March 2027From $39712 departure dates8 Mar 2027 – 23 Mar 2027 · found todaySee prices for these datesEvery date in March 2027
April 2027From $4039 departure dates24 Apr 2027 – 3 May 2027 · found 5 days agoSee prices for these datesEvery date in April 2027
May 2027From $4109 departure dates27 May 2027 – 27 Jun 2027 · found 4 days agoSee prices for these datesEvery date in May 2027
June 2027From $4034 departure dates1 Jun 2027 – 2 Jul 2027 · found 5 days agoSee prices for these dates
July 2027From $4095 departure dates14 Jul 2027 – 26 Jul 2027 · found 5 days agoSee prices for these datesEvery date in July 2027
August 2027From $4111 departure date27 Aug 2027 – 1 Sept 2027 · found 5 days agoSee prices for these dates
September 2027From $4012 departure dates16 Sept 2027 – 30 Sept 2027 · found 5 days agoSee prices for these dates

One-way

In November 2026, the cheapest one-way fare on each of 13 departure dates is usually $152 to $229. Across all 51 departure dates we hold on this route, it is usually $197 to $235. Of the 7 months with enough one-way fares to compare, November 2026 is usually the cheapest.

Cheapest one-way found recently

$143

26 Nov · Jeju Air

Chinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)

nonstop

found yesterday

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

FareTell may earn a commission when you book through a partner.

The cheapest dates in November 2026

DatesFromAirlineStopsFound
26 Nov$143Jeju Airnonstopfound yesterdayOpen this trip
17 Nov$144Jeju Airnonstopfound todayOpen this trip
19 Nov$150Jeju Airnonstopfound yesterdayOpen this trip
24 Nov$152Jeju Airnonstopfound yesterdayOpen this trip
12 Nov$155Jeju Airnonstopfound 6 days agoOpen this trip

Every date we hold

13 departure dates

5 Nov: $184, found 5 days ago8 Nov: $184, found 2 days ago12 Nov: $155, found 6 days ago13 Nov: $234, found 3 days ago14 Nov: $229, found 6 days ago17 Nov: $144, found today18 Nov: $215, found 5 days ago19 Nov: $150, found yesterday23 Nov: $235, found 5 days ago24 Nov: $152, found yesterday26 Nov: $143, found yesterday29 Nov: $162, found 5 days ago30 Nov: $232, found 2 days agoNov
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
5 Nov$184Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
8 Nov$184Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)stops unknownfound 2 days agoOpen this trip
12 Nov$155Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
13 Nov$234MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 3 days agoOpen this trip
14 Nov$229Aero MongoliaChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
17 Nov$144Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound todayOpen this trip
18 Nov$215Aero MongoliaChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
19 Nov$150Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound yesterdayOpen this trip
23 Nov$235Aero MongoliaChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
24 Nov$152Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound yesterdayOpen this trip
26 Nov$143Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound yesterdayOpen this trip
29 Nov$162Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
30 Nov$232Aero MongoliaChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $133.

October 2026From $2061 departure date27 Oct · found 6 days agoOpen this tripEvery date in October 2026
November 2026From $14313 departure dates26 Nov · found yesterdayOpen this trip
December 2026From $133Cheapest seen12 departure dates8 Dec · found 4 hours agoOpen this tripEvery date in December 2026
January 2027From $2293 departure dates16 Jan 2027 · found 5 days agoOpen this tripEvery date in January 2027
February 2027From $2273 departure dates27 Feb 2027 · found yesterdayOpen this tripEvery date in February 2027
March 2027From $1877 departure dates9 Mar 2027 · found 6 days agoOpen this tripEvery date in March 2027
April 2027From $2304 departure dates3 Apr 2027 · found todayOpen this tripEvery date in April 2027
June 2027From $2401 departure date21 Jun 2027 · found 2 days agoOpen this trip
July 2027From $2317 departure dates22 Jul 2027 · found todayOpen this tripEvery date in July 2027

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work