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Osaka to Seoul in January 2027 ITM, KIX, UKB → GMP, ICN

Itami Airport (ITM), Kansai International Airport (KIX), Kobe Airport (UKB) → Gimpo International Airport (GMP), Incheon International Airport (ICN)

For departures in January 2027, the cheapest return found recently is $205 with Peach, 5 Jan 2027 – 7 Jan 2027, found 4 days ago. The cheapest one-way found recently is $114 with Peach, 20 Jan 2027, found yesterday.

Return

In January 2027, the cheapest return fare on each of 3 departure dates is usually $191 to $218. Across all 24 departure dates we hold on this route, it is usually $204 to $296. Of the 4 months with enough return fares to compare, January 2027 is usually the cheapest.

Cheapest return found recently

$205

5 Jan 2027 – 7 Jan 2027 · Peach

Kansai International Airport (KIX) → Gimpo International Airport (GMP)

out nonstop, back nonstop

found 4 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$176

14 Jan 2027 – 24 Jan 2027 · Peach

Kansai International Airport (KIX) → 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 January 2027

DatesFromAirlineStopsFound
14 Jan 2027 – 24 Jan 2027$176Peachout nonstop, back nonstopfound 5 days agoSee prices for these dates
5 Jan 2027 – 7 Jan 2027$205Peachout nonstop, back nonstopfound 4 days agoSee prices for these dates
4 Jan 2027 – 7 Jan 2027$230Eastar Jetout nonstop, back nonstopfound 4 days agoSee prices for these dates

Every date we hold

3 departure dates

4 Jan 2027 – 7 Jan 2027: $230, found 4 days ago5 Jan 2027 – 7 Jan 2027: $205, found 4 days ago14 Jan 2027 – 24 Jan 2027: $176, found 5 days agoJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
4 Jan 2027 – 7 Jan 2027$230Eastar JetKansai International Airport (KIX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
5 Jan 2027 – 7 Jan 2027$205PeachKansai International Airport (KIX) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 4 days agoSee prices for these dates
14 Jan 2027 – 24 Jan 2027$176PeachKansai International Airport (KIX) → Incheon International Airport (ICN)out nonstop, back nonstopfound 5 days agoSee prices for these dates

Which month looks cheapest?

March 2027 is the cheapest month — from $175.

October 2026From $1823 departure dates21 Oct – 4 Nov · found 7 hours agoSee prices for these dates
November 2026From $1999 departure dates19 Nov – 1 Dec · found 2 days agoSee prices for these datesEvery date in November 2026
December 2026From $1845 departure dates16 Dec – 19 Dec · found 6 days agoSee prices for these datesEvery date in December 2026
January 2027From $1763 departure dates14 Jan 2027 – 24 Jan 2027 · found 5 days agoSee prices for these dates
February 2027From $2731 departure date5 Feb 2027 – 7 Feb 2027 · found 2 days agoSee prices for these dates
March 2027From $175Cheapest seen1 departure date8 Mar 2027 – 11 Mar 2027 · found 4 days agoSee prices for these datesEvery date in March 2027
April 2027From $2942 departure dates10 Apr 2027 – 12 Apr 2027 · found 3 days agoSee prices for these dates

One-way

In January 2027, the cheapest one-way fare on each of 14 departure dates is usually $107 to $132. Across all 57 departure dates we hold on this route, it is usually $112 to $156. Of the 6 months with enough one-way fares to compare, 2 are usually cheaper than January 2027.

Cheapest one-way found recently

$114

20 Jan 2027 · Peach

Kansai International Airport (KIX) → Incheon International Airport (ICN)

nonstop

found yesterday

Open this tripCheck today's price

Cheapest we hold, of any age

$92

7 Jan 2027 · Peach

Kansai International Airport (KIX) → Gimpo International Airport (GMP)

nonstop

found 6 days ago

Open this tripCheck today's price

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The cheapest dates in January 2027

DatesFromAirlineStopsFound
7 Jan 2027$92Peachnonstopfound 6 days agoOpen this trip
5 Jan 2027$96Peachnonstopfound 5 days agoOpen this trip
12 Jan 2027$103Peachnonstopfound 5 days agoOpen this trip
14 Jan 2027$105Peachnonstopfound 5 days agoOpen this trip
27 Jan 2027$112Air Busannonstopfound 5 days agoOpen this trip

Every date we hold

14 departure dates

5 Jan 2027: $96, found 5 days ago7 Jan 2027: $92, found 6 days ago12 Jan 2027: $103, found 5 days ago14 Jan 2027: $105, found 5 days ago15 Jan 2027: $122, found 2 days ago16 Jan 2027: $130, found 6 days ago17 Jan 2027: $145, found 6 days ago20 Jan 2027: $114, found yesterday21 Jan 2027: $132, found yesterday23 Jan 2027: $133, found 3 days ago24 Jan 2027: $129, found yesterday25 Jan 2027: $132, found 5 days ago26 Jan 2027: $113, found 5 days ago27 Jan 2027: $112, found 5 days agoJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
5 Jan 2027$96PeachKansai International Airport (KIX) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
7 Jan 2027$92PeachKansai International Airport (KIX) → Gimpo International Airport (GMP)nonstopfound 6 days agoOpen this trip
12 Jan 2027$103PeachKansai International Airport (KIX) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
14 Jan 2027$105PeachKansai International Airport (KIX) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
15 Jan 2027$122Jeju AirKansai International Airport (KIX) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
16 Jan 2027$130Jeju AirKansai International Airport (KIX) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
17 Jan 2027$145PeachKansai International Airport (KIX) → Incheon International Airport (ICN)nonstopfound 6 days agoOpen this trip
20 Jan 2027$114PeachKansai International Airport (KIX) → Incheon International Airport (ICN)nonstopfound yesterdayOpen this trip
21 Jan 2027$132Jeju AirKansai International Airport (KIX) → Gimpo International Airport (GMP)nonstopfound yesterdayOpen this trip
23 Jan 2027$133Air BusanKansai International Airport (KIX) → Incheon International Airport (ICN)nonstopfound 3 days agoOpen this trip
24 Jan 2027$129Jeju AirKansai International Airport (KIX) → Incheon International Airport (ICN)nonstopfound yesterdayOpen this trip
25 Jan 2027$132Air BusanKansai International Airport (KIX) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
26 Jan 2027$113PeachKansai International Airport (KIX) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip
27 Jan 2027$112Air BusanKansai International Airport (KIX) → Incheon International Airport (ICN)nonstopfound 5 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $34.

October 2026From $1531 departure date29 Oct · found 2 days agoOpen this trip
December 2026From $34Cheapest seen11 departure dates11 Dec · found 6 days agoOpen this tripEvery date in December 2026
January 2027From $9214 departure dates7 Jan 2027 · found 6 days agoOpen this trip
February 2027From $1592 departure dates12 Feb 2027 · found 3 days agoOpen this trip
March 2027From $10513 departure dates4 Mar 2027 · found 4 days agoOpen this tripEvery date in March 2027
April 2027From $1536 departure dates9 Apr 2027 · found 6 days agoOpen this trip
May 2027From $1524 departure dates11 May 2027 · found yesterdayOpen this trip
June 2027From $1482 departure dates2 Jun 2027 · found todayOpen this trip
July 2027From $1641 departure date9 Jul 2027 · found 4 days agoOpen this trip
September 2027From $1143 departure dates24 Sept 2027 · found 5 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