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Yanji to Seoul flights in December 2026 from $81 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 $158 with Jeju Air, 3 Dec – 10 Dec, found 2 days ago. The cheapest one-way found recently is $81 with Jeju Air, 23 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 16 departure dates is usually $172 to $204. Across all 67 departure dates we hold on this route, it is usually $179 to $274. Of the 7 months with enough return fares to compare, 1 is usually cheaper than December 2026.

Cheapest return found recently

$158

3 Dec – 10 Dec · Jeju Air

Yanji Chaoyangchuan Airport (YNJ) → 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

$157

16 Dec – 17 Dec · Jeju Air

Yanji Chaoyangchuan Airport (YNJ) → 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 December 2026

DatesFromAirlineStopsFound
16 Dec – 17 Dec$157Jeju Airout nonstop, back nonstopfound 5 days agoSee prices for these dates
2 Dec – 10 Dec$158Jeju Airout nonstop, back nonstopfound 3 days agoSee prices for these dates
3 Dec – 10 Dec$158Jeju Airout nonstop, back nonstopfound 2 days agoSee prices for these dates
6 Dec – 12 Dec$164Jeju Airout nonstop, back nonstopfound 4 days agoSee prices for these dates
13 Dec – 25 Dec$175Jeju Airout nonstop, back nonstopfound 5 days agoSee prices for these dates

Every date we hold

16 departure dates

1 Dec – 21 Dec: $205, found 3 days ago2 Dec – 10 Dec: $158, found 3 days ago3 Dec – 10 Dec: $158, found 2 days ago6 Dec – 12 Dec: $164, found 4 days ago10 Dec – 15 Dec: $179, found 3 days ago12 Dec – 12 Dec: $219, found 6 days ago13 Dec – 25 Dec: $175, found 5 days ago16 Dec – 17 Dec: $157, found 5 days ago22 Dec – 30 Dec: $222, found 3 days ago24 Dec – 30 Dec: $182, found 2 days ago26 Dec – 5 Jan 2027: $199, found 5 days ago27 Dec – 5 Jan 2027: $203, found 2 days ago28 Dec – 8 Jan 2027: $199, found 6 days ago29 Dec – 6 Jan 2027: $208, found 3 days ago30 Dec – 8 Jan 2027: $178, found 3 days ago31 Dec – 2 Jan 2027: $178, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 21 Dec$205Asiana AirlinesYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
2 Dec – 10 Dec$158Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
3 Dec – 10 Dec$158Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
6 Dec – 12 Dec$164Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
10 Dec – 15 Dec$179Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
12 Dec – 12 Dec$219Air ChinaYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
13 Dec – 25 Dec$175Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
16 Dec – 17 Dec$157Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
22 Dec – 30 Dec$222China EasternYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
24 Dec – 30 Dec$182Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
26 Dec – 5 Jan 2027$199Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
27 Dec – 5 Jan 2027$203China EasternYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
28 Dec – 8 Jan 2027$199Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
29 Dec – 6 Jan 2027$208China EasternYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
30 Dec – 8 Jan 2027$178Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
31 Dec – 2 Jan 2027$178Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $156.

November 2026From $156Cheapest seen13 departure dates27 Nov – 4 Dec · found 2 days agoSee prices for these datesEvery date in November 2026
December 2026From $15716 departure dates16 Dec – 17 Dec · found 5 days agoSee prices for these dates
January 2027From $2048 departure dates7 Jan 2027 – 14 Jan 2027 · found 4 days agoSee prices for these datesEvery date in January 2027
February 2027From $27111 departure dates18 Feb 2027 – 16 Mar 2027 · found 2 days agoSee prices for these datesEvery date in February 2027
March 2027From $24813 departure dates4 Mar 2027 – 15 Mar 2027 · found 3 days agoSee prices for these datesEvery date in March 2027
April 2027From $2553 departure dates13 Apr 2027 – 17 Apr 2027 · found 4 days agoSee prices for these dates
July 2027From $3513 departure dates6 Jul 2027 – 13 Jul 2027 · found 2 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 13 departure dates is usually $82 to $88. Across all 35 departure dates we hold on this route, it is usually $82 to $107. Of the 2 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$81

23 Dec · Jeju Air

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

nonstop

found 2 days ago

Open this tripCheck today's price

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

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
23 Dec$81Jeju Airnonstopfound 2 days agoOpen this trip
7 Dec$81Jeju Airnonstopfound 2 days agoOpen this trip
10 Dec$81Jeju Airnonstopfound 3 days agoOpen this trip
6 Dec$82Jeju Airnonstopfound 7 days agoOpen this trip
12 Dec$82Jeju Airnonstopfound 5 days agoOpen this trip

Every date we hold

13 departure dates

6 Dec: $82, found 7 days ago7 Dec: $81, found 2 days ago10 Dec: $81, found 3 days ago12 Dec: $82, found 5 days ago13 Dec: $82, found 5 days ago23 Dec: $81, found 2 days ago24 Dec: $82, found 6 days ago25 Dec: $83, found 6 days ago26 Dec: $88, found 2 days ago27 Dec: $112, found 2 days ago28 Dec: $88, found 2 days ago30 Dec: $82, found 5 days ago31 Dec: $88, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
6 Dec$82Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 7 days agoOpen this trip
7 Dec$81Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
10 Dec$81Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 3 days agoOpen this trip
12 Dec$82Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
13 Dec$82Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
23 Dec$81Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
24 Dec$82Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
25 Dec$83Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
26 Dec$88Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
27 Dec$112Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
28 Dec$88Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
30 Dec$82Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
31 Dec$88Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $75.

November 2026From $75Cheapest seen16 departure dates30 Nov · found 2 days agoOpen this tripEvery date in November 2026
December 2026From $8113 departure dates23 Dec · found 2 days agoOpen this trip
January 2027From $1132 departure dates11 Jan 2027 · found 6 days agoOpen this tripEvery date in January 2027
February 2027From $1532 departure dates1 Feb 2027 · found 6 days agoOpen this tripEvery date in February 2027
March 2027From $1321 departure date29 Mar 2027 · found 3 days agoOpen this tripEvery date in March 2027
July 2027From $1941 departure date17 Jul 2027 · found 2 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