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

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

For departures in January 2027, the cheapest return found recently is $251 with Peach, 2 Jan 2027 – 7 Jan 2027, found today. The cheapest one-way found recently is $86 with Peach, 30 Jan 2027, found yesterday.

Return

In January 2027, the cheapest return fare on each of 5 departure dates is usually $198 to $244. Across all 63 departure dates we hold on this route, it is usually $190 to $273. Of the 7 months with enough return fares to compare, 2 are usually cheaper than January 2027.

Cheapest return found recently

$251

2 Jan 2027 – 7 Jan 2027 · Peach

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

out nonstop, back nonstop

found today

See prices for these datesCheck today's price

Cheapest we hold, of any age

$175

28 Jan 2027 – 1 Feb 2027 · T'way Air

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

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
28 Jan 2027 – 1 Feb 2027$175T'way Airout nonstop, back nonstopfound 5 days agoSee prices for these dates
25 Jan 2027 – 28 Jan 2027$198Peachout nonstop, back nonstopfound 3 days agoSee prices for these dates
4 Jan 2027 – 6 Jan 2027$223Jeju Airout nonstop, back nonstopfound 3 days agoSee prices for these dates
22 Jan 2027 – 25 Jan 2027$244Jin Airout nonstop, back nonstopfound 2 days agoSee prices for these dates
2 Jan 2027 – 7 Jan 2027$251Peachout nonstop, back nonstopfound todaySee prices for these dates

Every date we hold

5 departure dates

2 Jan 2027 – 7 Jan 2027: $251, found today4 Jan 2027 – 6 Jan 2027: $223, found 3 days ago22 Jan 2027 – 25 Jan 2027: $244, found 2 days ago25 Jan 2027 – 28 Jan 2027: $198, found 3 days ago28 Jan 2027 – 1 Feb 2027: $175, found 5 days agoJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Jan 2027 – 7 Jan 2027$251PeachIncheon International Airport (ICN) → Kansai International Airport (KIX)out nonstop, back nonstopfound todaySee prices for these dates
4 Jan 2027 – 6 Jan 2027$223Jeju AirIncheon International Airport (ICN) → Kansai International Airport (KIX)out nonstop, back nonstopfound 3 days agoSee prices for these dates
22 Jan 2027 – 25 Jan 2027$244Jin AirIncheon International Airport (ICN) → Kansai International Airport (KIX)out nonstop, back nonstopfound 2 days agoSee prices for these dates
25 Jan 2027 – 28 Jan 2027$198PeachIncheon International Airport (ICN) → Kansai International Airport (KIX)out nonstop, back nonstopfound 3 days agoSee prices for these dates
28 Jan 2027 – 1 Feb 2027$175T'way AirIncheon International Airport (ICN) → Kansai International Airport (KIX)out nonstop, back nonstopfound 5 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $120.

October 2026From $1885 departure dates21 Oct – 25 Oct · found 4 days agoSee prices for these dates
November 2026From $16718 departure dates24 Nov – 25 Nov · found 5 days agoSee prices for these datesEvery date in November 2026
December 2026From $120Cheapest seen16 departure dates7 Dec – 10 Dec · found 10 hours agoSee prices for these datesEvery date in December 2026
January 2027From $1755 departure dates28 Jan 2027 – 1 Feb 2027 · found 5 days agoSee prices for these dates
February 2027From $2633 departure dates17 Feb 2027 – 20 Feb 2027 · found 2 days agoSee prices for these dates
March 2027From $1708 departure dates7 Mar 2027 – 10 Mar 2027 · found 4 days agoSee prices for these datesEvery date in March 2027
April 2027From $3631 departure date6 Apr 2027 – 17 Apr 2027 · found 6 days agoSee prices for these dates
May 2027From $3084 departure dates23 May 2027 – 31 May 2027 · found 4 days agoSee prices for these dates
June 2027From $2701 departure date23 Jun 2027 – 30 Jun 2027 · found yesterdaySee prices for these dates
July 2027From $3491 departure date1 Jul 2027 – 4 Jul 2027 · found 6 days agoSee prices for these dates
September 2027From $4971 departure date15 Sept 2027 – 17 Sept 2027 · found 3 days agoSee prices for these dates

One-way

In January 2027, the cheapest one-way fare on each of 11 departure dates is usually $93 to $104. Across all 67 departure dates we hold on this route, it is usually $73 to $106. Of the 8 months with enough one-way fares to compare, 5 are usually cheaper than January 2027.

Cheapest one-way found recently

$86

30 Jan 2027 · Peach

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

nonstop

found yesterday

Open this tripCheck today's price

Cheapest we hold, of any age

$59

28 Jan 2027 · T'way Air

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

nonstop

found 5 days ago

Open this tripCheck today's price

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The cheapest dates in January 2027

DatesFromAirlineStopsFound
28 Jan 2027$59T'way Airnonstopfound 5 days agoOpen this trip
30 Jan 2027$86Peachnonstopfound yesterdayOpen this trip
5 Jan 2027$92Peachnonstopfound 4 days agoOpen this trip
7 Jan 2027$93T'way Airnonstopfound 5 days agoOpen this trip
14 Jan 2027$93Peachnonstopfound 6 days agoOpen this trip

Every date we hold

11 departure dates

3 Jan 2027: $162, found today5 Jan 2027: $92, found 4 days ago7 Jan 2027: $93, found 5 days ago13 Jan 2027: $105, found 2 days ago14 Jan 2027: $93, found 6 days ago15 Jan 2027: $121, found 3 days ago16 Jan 2027: $103, found 6 days ago24 Jan 2027: $101, found today25 Jan 2027: $93, found 3 days ago28 Jan 2027: $59, found 5 days ago30 Jan 2027: $86, found yesterdayJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Jan 2027$162Air BusanIncheon International Airport (ICN) → Kansai International Airport (KIX)nonstopfound todayOpen this trip
5 Jan 2027$92PeachIncheon International Airport (ICN) → Kansai International Airport (KIX)nonstopfound 4 days agoOpen this trip
7 Jan 2027$93T'way AirIncheon International Airport (ICN) → Kansai International Airport (KIX)nonstopfound 5 days agoOpen this trip
13 Jan 2027$105Eastar JetIncheon International Airport (ICN) → Kansai International Airport (KIX)nonstopfound 2 days agoOpen this trip
14 Jan 2027$93PeachIncheon International Airport (ICN) → Kansai International Airport (KIX)nonstopfound 6 days agoOpen this trip
15 Jan 2027$121PeachGimpo International Airport (GMP) → Kansai International Airport (KIX)nonstopfound 3 days agoOpen this trip
16 Jan 2027$103PeachIncheon International Airport (ICN) → Kansai International Airport (KIX)nonstopfound 6 days agoOpen this trip
24 Jan 2027$101PeachIncheon International Airport (ICN) → Kansai International Airport (KIX)nonstopfound todayOpen this trip
25 Jan 2027$93PeachIncheon International Airport (ICN) → Kansai International Airport (KIX)nonstopfound 3 days agoOpen this trip
28 Jan 2027$59T'way AirIncheon International Airport (ICN) → Kansai International Airport (KIX)nonstopfound 5 days agoOpen this trip
30 Jan 2027$86PeachIncheon International Airport (ICN) → Kansai International Airport (KIX)nonstopfound yesterdayOpen this trip

Which month looks cheapest?

October 2026 is the cheapest month — from $48.

October 2026From $48Cheapest seen5 departure dates20 Oct · found 4 days agoOpen this trip
November 2026From $576 departure dates17 Nov · found 5 days agoOpen this tripEvery date in November 2026
December 2026From $5812 departure dates15 Dec · found 5 days agoOpen this tripEvery date in December 2026
January 2027From $5911 departure dates28 Jan 2027 · found 5 days agoOpen this trip
February 2027From $696 departure dates18 Feb 2027 · found 4 days agoOpen this trip
March 2027From $5515 departure dates8 Mar 2027 · found 4 days agoOpen this tripEvery date in March 2027
April 2027From $1214 departure dates28 Apr 2027 · found 3 days agoOpen this trip
May 2027From $1202 departure dates11 May 2027 · found yesterdayOpen this trip
June 2027From $1256 departure dates23 Jun 2027 · found yesterdayOpen 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