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Ulaanbaatar to Seoul flights in February 2027 from $185 UBN → GMP, ICN

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

For departures in February 2027, the cheapest return found recently is $395 with MIAT Mongolian Airlines, 7 Feb 2027 – 14 Feb 2027, found 2 days ago. The cheapest one-way found recently is $185 with Jeju Air, 21 Feb 2027, found 2 days ago.

Return

In February 2027, the cheapest return fare on each of 9 departure dates is usually $388 to $396. Across all 89 departure dates we hold on this route, it is usually $378 to $416. Of the 11 months with enough return fares to compare, 2 are usually cheaper than February 2027.

Cheapest return found recently

$395

7 Feb 2027 – 14 Feb 2027 · MIAT Mongolian Airlines

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

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$388

8 Feb 2027 – 15 Feb 2027 · Aero Mongolia

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

out nonstop, back nonstop

found 5 days ago

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The cheapest dates in February 2027

DatesFromAirlineStopsFound
8 Feb 2027 – 15 Feb 2027$388Aero Mongoliaout nonstop, back nonstopfound 5 days agoSee prices for these dates
9 Feb 2027 – 15 Feb 2027$388Asiana Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
10 Feb 2027 – 11 Feb 2027$388Aero Mongoliaout nonstop, back nonstopfound 5 days agoSee prices for these dates
7 Feb 2027 – 14 Feb 2027$395MIAT Mongolian Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates
4 Feb 2027 – 14 Feb 2027$396MIAT Mongolian Airlinesout nonstop, back nonstopfound 4 days agoSee prices for these dates

Every date we hold

9 departure dates

4 Feb 2027 – 14 Feb 2027: $396, found 4 days ago7 Feb 2027 – 14 Feb 2027: $395, found 2 days ago8 Feb 2027 – 15 Feb 2027: $388, found 5 days ago9 Feb 2027 – 15 Feb 2027: $388, found 5 days ago10 Feb 2027 – 11 Feb 2027: $388, found 5 days ago13 Feb 2027 – 27 Feb 2027: $396, found 3 days ago25 Feb 2027 – 5 Mar 2027: $411, found 6 days ago26 Feb 2027 – 7 Mar 2027: $406, found 2 days ago27 Feb 2027 – 5 Mar 2027: $396, found 6 days agoFeb
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
4 Feb 2027 – 14 Feb 2027$396MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
7 Feb 2027 – 14 Feb 2027$395MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
8 Feb 2027 – 15 Feb 2027$388Aero MongoliaChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
9 Feb 2027 – 15 Feb 2027$388Asiana AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
10 Feb 2027 – 11 Feb 2027$388Aero MongoliaChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
13 Feb 2027 – 27 Feb 2027$396MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
25 Feb 2027 – 5 Mar 2027$411MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
26 Feb 2027 – 7 Mar 2027$406Korean AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
27 Feb 2027 – 5 Mar 2027$396MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $308.

November 2026From $33115 departure dates29 Nov – 8 Dec · found 2 days agoSee prices for these datesEvery date in November 2026
December 2026From $308Cheapest seen20 departure dates10 Dec – 13 Dec · found 7 days agoSee prices for these datesEvery date in December 2026
January 2027From $34214 departure dates24 Jan 2027 – 22 Feb 2027 · found 8 days agoSee prices for these datesEvery date in January 2027
February 2027From $3889 departure dates8 Feb 2027 – 15 Feb 2027 · found 5 days agoSee prices for these dates
March 2027From $3778 departure dates21 Mar 2027 – 1 Apr 2027 · found 6 days agoSee prices for these datesEvery date in March 2027
April 2027From $3435 departure dates1 Apr 2027 – 10 Apr 2027 · found 6 days agoSee prices for these dates
May 2027From $3613 departure dates18 May 2027 – 4 Jun 2027 · found 6 days agoSee prices for these dates
June 2027From $3984 departure dates6 Jun 2027 – 14 Jun 2027 · found 4 days agoSee prices for these dates
July 2027From $4213 departure dates24 Jul 2027 – 6 Aug 2027 · found 3 days agoSee prices for these dates
August 2027From $4124 departure dates17 Aug 2027 – 26 Aug 2027 · found 7 days agoSee prices for these dates
September 2027From $4121 departure date1 Sept 2027 – 12 Sept 2027 · found 2 days agoSee prices for these dates
October 2027From $3983 departure dates16 Oct 2027 – 25 Oct 2027 · found 7 days agoSee prices for these dates

One-way

In February 2027, the cheapest one-way fare on each of 8 departure dates is usually $184 to $222. Across all 45 departure dates we hold on this route, it is usually $181 to $231. Of the 7 months with enough one-way fares to compare, 4 are usually cheaper than February 2027.

Cheapest one-way found recently

$185

21 Feb 2027 · Jeju Air

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

nonstop

found 2 days ago

Open this tripCheck today's price

Cheapest we hold, of any age

$181

7 Feb 2027 · Jeju Air

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

nonstop

found 4 days ago

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The cheapest dates in February 2027

DatesFromAirlineStopsFound
7 Feb 2027$181Jeju Airnonstopfound 4 days agoOpen this trip
11 Feb 2027$181Jeju Airnonstopfound 4 days agoOpen this trip
21 Feb 2027$185Jeju Airnonstopfound 2 days agoOpen this trip
17 Feb 2027$218Korean Airnonstopfound 4 days agoOpen this trip
19 Feb 2027$220Korean Airnonstopfound 2 days agoOpen this trip

Every date we hold

8 departure dates

7 Feb 2027: $181, found 4 days ago8 Feb 2027: $229, found 4 days ago11 Feb 2027: $181, found 4 days ago17 Feb 2027: $218, found 4 days ago19 Feb 2027: $220, found 2 days ago21 Feb 2027: $185, found 2 days ago22 Feb 2027: $220, found 2 days ago26 Feb 2027: $239, found 4 days agoFeb
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
7 Feb 2027$181Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 4 days agoOpen this trip
8 Feb 2027$229Aero MongoliaChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 4 days agoOpen this trip
11 Feb 2027$181Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 4 days agoOpen this trip
17 Feb 2027$218Korean AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 4 days agoOpen this trip
19 Feb 2027$220Korean AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
21 Feb 2027$185Jeju AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
22 Feb 2027$220Korean AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
26 Feb 2027$239Korean AirChinggis Khaan International Airport (UBN) → Incheon International Airport (ICN)nonstopfound 4 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $150.

November 2026From $1676 departure dates17 Nov · found 3 days agoOpen this tripEvery date in November 2026
December 2026From $150Cheapest seen7 departure dates3 Dec · found 2 days agoOpen this tripEvery date in December 2026
January 2027From $1558 departure dates19 Jan 2027 · found 6 days agoOpen this tripEvery date in January 2027
February 2027From $1818 departure dates7 Feb 2027 · found 4 days agoOpen this trip
April 2027From $1924 departure dates29 Apr 2027 · found 5 days agoOpen this trip
May 2027From $2074 departure dates2 May 2027 · found 7 days agoOpen this trip
June 2027From $2312 departure dates18 Jun 2027 · found 6 days agoOpen this trip
August 2027From $2483 departure dates6 Aug 2027 · found 4 days agoOpen this trip
September 2027From $2311 departure date16 Sept 2027 · found 7 days agoOpen this trip
October 2027From $2312 departure dates26 Oct 2027 · found 6 days agoOpen this trip

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