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Yanji to Seoul in December 2026 YNJ → GMP, ICN

Yanji Chaoyangchuan Airport (YNJ) → Gimpo International Airport (GMP), Incheon International Airport (ICN)

For departures in December 2026, the cheapest return found recently is $225 with Asiana Airlines, 24 Dec – 3 Jan 2027, found yesterday. The cheapest one-way found recently is $129 with Jeju Air, 17 Dec, found yesterday.

Return

In December 2026, the cheapest return fare on each of 13 departure dates is usually $220 to $233. Across all 61 departure dates we hold on this route, it is usually $208 to $270. Of the 6 months with enough return fares to compare, 2 are usually cheaper than December 2026.

Cheapest return found recently

$225

24 Dec – 3 Jan 2027 · Asiana Airlines

Yanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

Cheapest we hold, of any age

$207

2 Dec – 11 Dec · Jeju Air

Yanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)

out nonstop, back nonstop

found 6 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
2 Dec – 11 Dec$207Jeju Airout nonstop, back nonstopfound 6 days agoSee prices for these dates
3 Dec – 7 Dec$207Jeju Airout nonstop, back nonstopfound 6 days agoSee prices for these dates
5 Dec – 11 Dec$220Jeju Airout nonstop, back nonstopfound 6 days agoSee prices for these dates
6 Dec – 11 Dec$220Jeju Airout nonstop, back nonstopfound 6 days agoSee prices for these dates
24 Dec – 3 Jan 2027$225Asiana Airlinesout nonstop, back nonstopfound yesterdaySee prices for these dates

Every date we hold

13 departure dates

1 Dec – 9 Dec: $230, found 6 days ago2 Dec – 11 Dec: $207, found 6 days ago3 Dec – 7 Dec: $207, found 6 days ago4 Dec – 12 Dec: $233, found 6 days ago5 Dec – 11 Dec: $220, found 6 days ago6 Dec – 11 Dec: $220, found 6 days ago24 Dec – 3 Jan 2027: $225, found yesterday25 Dec – 4 Jan 2027: $241, found 5 days ago26 Dec – 3 Jan 2027: $225, found yesterday27 Dec – 11 Jan 2027: $233, found 2 days ago28 Dec – 4 Jan 2027: $230, found yesterday30 Dec – 5 Jan 2027: $225, found yesterday31 Dec – 4 Jan 2027: $240, found 5 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 9 Dec$230China Southern AirlinesYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
2 Dec – 11 Dec$207Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
3 Dec – 7 Dec$207Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
4 Dec – 12 Dec$233China EasternYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
5 Dec – 11 Dec$220Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
6 Dec – 11 Dec$220Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
24 Dec – 3 Jan 2027$225Asiana AirlinesYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
25 Dec – 4 Jan 2027$241China EasternYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out 1 stop, back nonstopfound 5 days agoSee prices for these dates
26 Dec – 3 Jan 2027$225Asiana AirlinesYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
27 Dec – 11 Jan 2027$233China EasternYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
28 Dec – 4 Jan 2027$230Asiana AirlinesYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
30 Dec – 5 Jan 2027$225Asiana AirlinesYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
31 Dec – 4 Jan 2027$240Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $142.

October 2026From $1979 departure dates27 Oct – 31 Oct · found 6 days agoSee prices for these datesEvery date in October 2026
November 2026From $142Cheapest seen13 departure dates5 Nov – 16 Nov · found 9 hours agoSee prices for these datesEvery date in November 2026
December 2026From $20713 departure dates2 Dec – 11 Dec · found 6 days agoSee prices for these dates
January 2027From $26012 departure dates4 Jan 2027 – 10 Jan 2027 · found 6 days agoSee prices for these datesEvery date in January 2027
February 2027From $2702 departure dates19 Feb 2027 – 27 Feb 2027 · found 6 days agoSee prices for these dates
March 2027From $2704 departure dates9 Mar 2027 – 12 Mar 2027 · found 6 days agoSee prices for these dates
April 2027From $2752 departure dates1 Apr 2027 – 10 Apr 2027 · found 6 days agoSee prices for these dates
May 2027From $2923 departure dates16 May 2027 – 21 May 2027 · found 6 days agoSee prices for these dates
June 2027From $2922 departure dates8 Jun 2027 – 12 Jun 2027 · found 5 days agoSee prices for these dates
July 2027From $3151 departure date2 Jul 2027 – 7 Jul 2027 · found yesterdaySee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 10 departure dates is usually $117 to $129. Across all 46 departure dates we hold on this route, it is usually $102 to $156. Of the 6 months with enough one-way fares to compare, 2 are usually cheaper than December 2026.

Cheapest one-way found recently

$129

17 Dec · Jeju Air

Yanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)

nonstop

found yesterday

Open this tripCheck today's price

Cheapest we hold, of any age

$114

2 Dec · Jeju Air

Yanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)

nonstop

found 6 days ago

Open this tripCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
2 Dec$114Jeju Airnonstopfound 6 days agoOpen this trip
3 Dec$114Jeju Airnonstopfound 6 days agoOpen this trip
4 Dec$114Jeju Airnonstopfound 6 days agoOpen this trip
9 Dec$127Jeju Airnonstopfound 3 days agoOpen this trip
5 Dec$128Jeju Airnonstopfound 6 days agoOpen this trip

Every date we hold

10 departure dates

1 Dec: $129, found 6 days ago2 Dec: $114, found 6 days ago3 Dec: $114, found 6 days ago4 Dec: $114, found 6 days ago5 Dec: $128, found 6 days ago6 Dec: $128, found 6 days ago9 Dec: $127, found 3 days ago10 Dec: $128, found 6 days ago17 Dec: $129, found yesterday30 Dec: $129, found yesterdayDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec$129China EasternYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)1 stopfound 6 days agoOpen this trip
2 Dec$114Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
3 Dec$114Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
4 Dec$114Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
5 Dec$128Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
6 Dec$128Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
9 Dec$127Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 3 days agoOpen this trip
10 Dec$128Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
17 Dec$129Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound yesterdayOpen this trip
30 Dec$129Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound yesterdayOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $90.

October 2026From $10010 departure dates28 Oct · found 7 hours agoOpen this tripEvery date in October 2026
November 2026From $90Cheapest seen11 departure dates5 Nov · found yesterdayOpen this tripEvery date in November 2026
December 2026From $11410 departure dates2 Dec · found 6 days agoOpen this trip
January 2027From $1556 departure dates4 Jan 2027 · found 4 days agoOpen this tripEvery date in January 2027
February 2027From $1615 departure dates26 Feb 2027 · found 2 days agoOpen this trip
June 2027From $1661 departure date22 Jun 2027 · found 4 days agoOpen this trip
July 2027From $1883 departure dates9 Jul 2027 · found 3 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