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Yanji to Seoul in October 2026 YNJ → GMP, ICN

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

For departures in October 2026, the cheapest return found recently is $208 with Jeju Air, 23 Oct – 7 Nov, found yesterday. The cheapest one-way found recently is $100 with Jeju Air, 26 Oct, found today.

Return

In October 2026, the cheapest return fare on each of 9 departure dates is usually $208 to $223. 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, 1 is usually cheaper than October 2026.

Cheapest return found recently

$208

23 Oct – 7 Nov · Jeju Air

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

$197

27 Oct – 31 Oct · China Eastern

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

out 1 stop, back nonstop

found 6 days ago

See prices for these datesCheck today's price

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The cheapest dates in October 2026

DatesFromAirlineStopsFound
27 Oct – 31 Oct$197China Easternout 1 stop, back nonstopfound 6 days agoSee prices for these dates
25 Oct – 1 Nov$207Jeju Airout nonstop, back nonstopfound 5 days agoSee prices for these dates
23 Oct – 7 Nov$208Jeju Airout nonstop, back nonstopfound yesterdaySee prices for these dates
28 Oct – 1 Nov$208Jeju Airout nonstop, back nonstopfound todaySee prices for these dates
26 Oct – 3 Nov$211Jeju Airout nonstop, back nonstopfound todaySee prices for these dates

Every date we hold

9 departure dates

20 Oct – 23 Oct: $242, found 5 days ago21 Oct – 28 Oct: $215, found 4 days ago23 Oct – 7 Nov: $208, found yesterday24 Oct – 29 Oct: $223, found 6 days ago25 Oct – 1 Nov: $207, found 5 days ago26 Oct – 3 Nov: $211, found today27 Oct – 31 Oct: $197, found 6 days ago28 Oct – 1 Nov: $208, found today30 Oct – 3 Nov: $230, found 6 days agoOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
20 Oct – 23 Oct$242Air ChinaYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
21 Oct – 28 Oct$215China EasternYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
23 Oct – 7 Nov$208Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound yesterdaySee prices for these dates
24 Oct – 29 Oct$223Air ChinaYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
25 Oct – 1 Nov$207Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates
26 Oct – 3 Nov$211Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound todaySee prices for these dates
27 Oct – 31 Oct$197China EasternYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out 1 stop, back nonstopfound 6 days agoSee prices for these dates
28 Oct – 1 Nov$208Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound todaySee prices for these dates
30 Oct – 3 Nov$230China Southern AirlinesYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 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 dates
November 2026From $142Cheapest seen13 departure dates5 Nov – 16 Nov · found todaySee prices for these datesEvery date in November 2026
December 2026From $20713 departure dates2 Dec – 11 Dec · found 6 days agoSee prices for these datesEvery date in December 2026
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 October 2026, the cheapest one-way fare on each of 10 departure dates is usually $102 to $113. 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, 1 is usually cheaper than October 2026.

Cheapest one-way found recently

$100

26 Oct · Jeju Air

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

nonstop

found today

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 October 2026

DatesFromAirlineStopsFound
26 Oct$100Jeju Airnonstopfound todayOpen this trip
28 Oct$100Jeju Airnonstopfound todayOpen this trip
25 Oct$101Jeju Airnonstopfound todayOpen this trip
29 Oct$103Jeju Airnonstopfound todayOpen this trip
30 Oct$103Jeju Airnonstopfound todayOpen this trip

Every date we hold

10 departure dates

20 Oct: $134, found 5 days ago22 Oct: $113, found 2 days ago23 Oct: $113, found 2 days ago24 Oct: $121, found 2 days ago25 Oct: $101, found today26 Oct: $100, found today28 Oct: $100, found today29 Oct: $103, found today30 Oct: $103, found today31 Oct: $110, found 5 days agoOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
20 Oct$134Air ChinaYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
22 Oct$113Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
23 Oct$113Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
24 Oct$121Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
25 Oct$101Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound todayOpen this trip
26 Oct$100Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound todayOpen this trip
28 Oct$100Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound todayOpen this trip
29 Oct$103Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound todayOpen this trip
30 Oct$103Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound todayOpen this trip
31 Oct$110Jeju AirYanji Chaoyangchuan Airport (YNJ) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $90.

October 2026From $10010 departure dates26 Oct · found todayOpen this trip
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 tripEvery date in December 2026
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