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Tokyo to Seoul in December 2026 HND, NRT → GMP, ICN

Haneda Airport (HND), Narita International Airport (NRT) → Gimpo International Airport (GMP), Incheon International Airport (ICN)

For departures in December 2026, the cheapest return found recently is $230 with ZIPAIR, 6 Dec – 8 Dec, found 2 days ago. The cheapest one-way found recently is $121 with T'way Air, 30 Dec, found 9 hours ago.

Return

In December 2026, the cheapest return fare on each of 9 departure dates is usually $198 to $283. Across all 52 departure dates we hold on this route, it is usually $221 to $258. Of the 7 months with enough return fares to compare, December 2026 is usually the cheapest.

Cheapest return found recently

$230

6 Dec – 8 Dec · ZIPAIR

Narita International Airport (NRT) → 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

$112

15 Dec – 22 Dec · T'way Air

Narita International Airport (NRT) → Incheon International Airport (ICN)

out nonstop, back nonstop

found 4 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
15 Dec – 22 Dec$112T'way Airout nonstop, back nonstopfound 4 days agoSee prices for these dates
2 Dec – 6 Dec$179Ethiopian Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates
8 Dec – 10 Dec$198ZIPAIRout nonstop, back nonstopfound 6 days agoSee prices for these dates
1 Dec – 8 Dec$210Air Busanout nonstop, back nonstopfound 6 days agoSee prices for these dates
3 Dec – 6 Dec$219ZIPAIRout nonstop, back nonstopfound 6 days agoSee prices for these dates

Every date we hold

9 departure dates

1 Dec – 8 Dec: $210, found 6 days ago2 Dec – 6 Dec: $179, found 6 days ago3 Dec – 6 Dec: $219, found 6 days ago6 Dec – 8 Dec: $230, found 2 days ago8 Dec – 10 Dec: $198, found 6 days ago15 Dec – 22 Dec: $112, found 4 days ago21 Dec – 31 Dec: $283, found 2 days ago26 Dec – 1 Jan 2027: $511, found 4 days ago30 Dec – 3 Jan 2027: $431, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 8 Dec$210Air BusanNarita International Airport (NRT) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
2 Dec – 6 Dec$179Ethiopian AirlinesNarita International Airport (NRT) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
3 Dec – 6 Dec$219ZIPAIRNarita International Airport (NRT) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
6 Dec – 8 Dec$230ZIPAIRNarita International Airport (NRT) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
8 Dec – 10 Dec$198ZIPAIRNarita International Airport (NRT) → Incheon International Airport (ICN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
15 Dec – 22 Dec$112T'way AirNarita International Airport (NRT) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
21 Dec – 31 Dec$283ZIPAIRNarita International Airport (NRT) → Incheon International Airport (ICN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
26 Dec – 1 Jan 2027$511Air BusanNarita International Airport (NRT) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
30 Dec – 3 Jan 2027$431Air BusanNarita International Airport (NRT) → Incheon International Airport (ICN)out nonstop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $112.

October 2026From $1989 departure dates27 Oct – 30 Oct · found 4 hours agoSee prices for these datesEvery date in October 2026
November 2026From $19313 departure dates26 Nov – 28 Nov · found 5 days agoSee prices for these datesEvery date in November 2026
December 2026From $112Cheapest seen9 departure dates15 Dec – 22 Dec · found 4 days agoSee prices for these dates
January 2027From $2394 departure dates19 Jan 2027 – 27 Jan 2027 · found 5 days agoSee prices for these dates
February 2027From $2732 departure dates25 Feb 2027 – 28 Feb 2027 · found 5 days agoSee prices for these dates
March 2027From $2192 departure dates28 Mar 2027 – 31 Mar 2027 · found 5 days agoSee prices for these datesEvery date in March 2027
April 2027From $2283 departure dates19 Apr 2027 – 23 Apr 2027 · found 3 days agoSee prices for these dates
May 2027From $2283 departure dates16 May 2027 – 12 Jun 2027 · found 4 days agoSee prices for these dates
June 2027From $2172 departure dates6 Jun 2027 – 13 Jun 2027 · found 2 days agoSee prices for these dates
July 2027From $2285 departure dates8 Jul 2027 – 17 Jul 2027 · found 4 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 3 departure dates is usually $120 to $133. Across all 38 departure dates we hold on this route, it is usually $120 to $135. Of the 9 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$121

30 Dec · T'way Air

Narita International Airport (NRT) → Incheon International Airport (ICN)

nonstop

found 9 hours ago

Open this tripCheck today's price

Cheapest we hold, of any age

$118

22 Dec · Peach

Narita International Airport (NRT) → Incheon International Airport (ICN)

nonstop

found 2 days ago

Open this tripCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
22 Dec$118Peachnonstopfound 2 days agoOpen this trip
30 Dec$121T'way Airnonstopfound 9 hours agoOpen this trip
23 Dec$145Peachnonstopfound 3 days agoOpen this trip

Every date we hold

3 departure dates

22 Dec: $118, found 2 days ago23 Dec: $145, found 3 days ago30 Dec: $121, found 9 hours agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
22 Dec$118PeachNarita International Airport (NRT) → Incheon International Airport (ICN)nonstopfound 2 days agoOpen this trip
23 Dec$145PeachNarita International Airport (NRT) → Incheon International Airport (ICN)nonstopfound 3 days agoOpen this trip
30 Dec$121T'way AirNarita International Airport (NRT) → Incheon International Airport (ICN)nonstopfound 9 hours agoOpen this trip

Which month looks cheapest?

September 2027 is the cheapest month — from $111.

December 2026From $1183 departure dates22 Dec · found 2 days agoOpen this trip
January 2027From $1164 departure dates14 Jan 2027 · found yesterdayOpen this trip
February 2027From $1564 departure dates2 Feb 2027 · found yesterdayOpen this trip
March 2027From $1207 departure dates30 Mar 2027 · found 4 days agoOpen this tripEvery date in March 2027
April 2027From $1185 departure dates3 Apr 2027 · found 5 days agoOpen this trip
May 2027From $1214 departure dates16 May 2027 · found 6 days agoOpen this trip
June 2027From $1203 departure dates6 Jun 2027 · found 6 days agoOpen this trip
July 2027From $1203 departure dates9 Jul 2027 · found 4 days agoOpen this trip
August 2027From $1203 departure dates14 Aug 2027 · found 4 hours agoOpen this trip
September 2027From $111Cheapest seen2 departure dates21 Sept 2027 · found 4 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