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

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

For departures in December 2026, the cheapest return found recently is $209 with Peach, 5 Dec – 8 Dec, found today. The cheapest one-way found recently is $90 with T'way Air, 3 Dec, found 3 days ago.

Return

In December 2026, the cheapest return fare on each of 22 departure dates is usually $210 to $270. Across all 112 departure dates we hold on this route, it is usually $227 to $278. Of the 10 months with enough return fares to compare, 2 are usually cheaper than December 2026.

Cheapest return found recently

$209

5 Dec – 8 Dec · Peach

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

out nonstop, back nonstop

found today

See prices for these datesCheck today's price

Cheapest we hold, of any age

$174

2 Dec – 10 Dec · Air Seoul

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

out nonstop, back nonstop

found 6 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
2 Dec – 10 Dec$174Air Seoulout nonstop, back nonstopfound 6 days agoSee prices for these dates
1 Dec – 3 Dec$179Peachout nonstop, back nonstopfound 4 days agoSee prices for these dates
8 Dec – 16 Dec$198Air Busanout nonstop, back nonstopfound 2 days agoSee prices for these dates
10 Dec – 13 Dec$202Peachout nonstop, back nonstopfound 2 days agoSee prices for these dates
9 Dec – 17 Dec$208Air Busanout nonstop, back nonstopfound 5 days agoSee prices for these dates

Every date we hold

22 departure dates

1 Dec – 3 Dec: $179, found 4 days ago2 Dec – 10 Dec: $174, found 6 days ago5 Dec – 8 Dec: $209, found today7 Dec – 17 Dec: $230, found yesterday8 Dec – 16 Dec: $198, found 2 days ago9 Dec – 17 Dec: $208, found 5 days ago10 Dec – 13 Dec: $202, found 2 days ago11 Dec – 20 Dec: $251, found 3 days ago14 Dec – 15 Dec: $235, found yesterday17 Dec – 27 Dec: $406, found 4 days ago18 Dec – 19 Dec: $284, found 2 days ago19 Dec – 19 Dec: $322, found 2 days ago20 Dec – 31 Dec: $347, found 3 days ago21 Dec – 21 Jan 2027: $220, found 3 days ago23 Dec – 26 Jan 2027: $236, found 6 days ago24 Dec – 12 Jan 2027: $252, found 2 days ago25 Dec – 3 Jan 2027: $330, found 5 days ago26 Dec – 1 Jan 2027: $258, found 4 days ago28 Dec – 11 Jan 2027: $233, found 4 days ago29 Dec – 10 Jan 2027: $269, found 4 days ago30 Dec – 6 Jan 2027: $213, found 2 days ago31 Dec – 7 Jan 2027: $270, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 3 Dec$179PeachIncheon International Airport (ICN) → Haneda Airport (HND)out nonstop, back nonstopfound 4 days agoSee prices for these dates
2 Dec – 10 Dec$174Air SeoulIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound 6 days agoSee prices for these dates
5 Dec – 8 Dec$209PeachIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound todaySee prices for these dates
7 Dec – 17 Dec$230Parata AirIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound yesterdaySee prices for these dates
8 Dec – 16 Dec$198Air BusanIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound 2 days agoSee prices for these dates
9 Dec – 17 Dec$208Air BusanIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound 5 days agoSee prices for these dates
10 Dec – 13 Dec$202PeachIncheon International Airport (ICN) → Haneda Airport (HND)out nonstop, back nonstopfound 2 days agoSee prices for these dates
11 Dec – 20 Dec$251PeachIncheon International Airport (ICN) → Haneda Airport (HND)out nonstop, back nonstopfound 3 days agoSee prices for these dates
14 Dec – 15 Dec$235PeachIncheon International Airport (ICN) → Haneda Airport (HND)out nonstop, back nonstopfound yesterdaySee prices for these dates
17 Dec – 27 Dec$406ZIPAIRIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound 4 days agoSee prices for these dates
18 Dec – 19 Dec$284Jeju AirIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound 2 days agoSee prices for these dates
19 Dec – 19 Dec$322PeachIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound 2 days agoSee prices for these dates
20 Dec – 31 Dec$347Jeju AirIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound 3 days agoSee prices for these dates
21 Dec – 21 Jan 2027$220PeachIncheon International Airport (ICN) → Haneda Airport (HND)out nonstop, back nonstopfound 3 days agoSee prices for these dates
23 Dec – 26 Jan 2027$236Air BusanIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound 6 days agoSee prices for these dates
24 Dec – 12 Jan 2027$252Air BusanIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound 2 days agoSee prices for these dates
25 Dec – 3 Jan 2027$330Air BusanIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound 5 days agoSee prices for these dates
26 Dec – 1 Jan 2027$258Air BusanIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound 4 days agoSee prices for these dates
28 Dec – 11 Jan 2027$233Air PremiaIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound 4 days agoSee prices for these dates
29 Dec – 10 Jan 2027$269T'way AirIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound 4 days agoSee prices for these dates
30 Dec – 6 Jan 2027$213Air BusanIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound 2 days agoSee prices for these dates
31 Dec – 7 Jan 2027$270Eastar JetIncheon International Airport (ICN) → Narita International Airport (NRT)out nonstop, back nonstopfound 3 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $156.

October 2026From $1698 departure dates27 Oct – 9 Dec · found 6 days agoSee prices for these datesEvery date in October 2026
November 2026From $156Cheapest seen17 departure dates18 Nov – 22 Nov · found 7 hours agoSee prices for these datesEvery date in November 2026
December 2026From $17422 departure dates2 Dec – 10 Dec · found 6 days agoSee prices for these dates
January 2027From $19514 departure dates24 Jan 2027 – 30 Jan 2027 · found todaySee prices for these datesEvery date in January 2027
February 2027From $2229 departure dates16 Feb 2027 – 4 Mar 2027 · found todaySee prices for these datesEvery date in February 2027
March 2027From $21811 departure dates28 Mar 2027 – 31 Mar 2027 · found 5 days agoSee prices for these datesEvery date in March 2027
April 2027From $21113 departure dates1 Apr 2027 – 15 Apr 2027 · found 3 days agoSee prices for these datesEvery date in April 2027
May 2027From $2184 departure dates19 May 2027 – 21 May 2027 · found 3 days agoSee prices for these datesEvery date in May 2027
June 2027From $2235 departure dates1 Jun 2027 – 16 Jun 2027 · found 4 days agoSee prices for these datesEvery date in June 2027
July 2027From $2292 departure dates5 Jul 2027 – 11 Jul 2027 · found 4 days agoSee prices for these dates
August 2027From $2285 departure dates1 Aug 2027 – 8 Aug 2027 · found 5 days agoSee prices for these dates
September 2027From $2272 departure dates3 Sept 2027 – 12 Sept 2027 · found 6 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 5 departure dates is usually $90 to $102. Across all 77 departure dates we hold on this route, it is usually $108 to $117. Of the 10 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$90

3 Dec · T'way Air

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

nonstop

found 3 days ago

Open this tripCheck today's price

Cheapest we hold, of any age

$54

8 Dec · Peach

Incheon International Airport (ICN) → Haneda Airport (HND)

nonstop

found 4 days ago

Open this tripCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
8 Dec$54Peachnonstopfound 4 days agoOpen this trip
3 Dec$90T'way Airnonstopfound 3 days agoOpen this trip
10 Dec$102Air Busannonstopfound 3 days agoOpen this trip
27 Dec$102Parata Airnonstopfound 5 days agoOpen this trip
24 Dec$124Air Busannonstopfound 3 days agoOpen this trip

Every date we hold

5 departure dates

3 Dec: $90, found 3 days ago8 Dec: $54, found 4 days ago10 Dec: $102, found 3 days ago24 Dec: $124, found 3 days ago27 Dec: $102, found 5 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Dec$90T'way AirIncheon International Airport (ICN) → Narita International Airport (NRT)nonstopfound 3 days agoOpen this trip
8 Dec$54PeachIncheon International Airport (ICN) → Haneda Airport (HND)nonstopfound 4 days agoOpen this trip
10 Dec$102Air BusanIncheon International Airport (ICN) → Narita International Airport (NRT)nonstopfound 3 days agoOpen this trip
24 Dec$124Air BusanIncheon International Airport (ICN) → Narita International Airport (NRT)nonstopfound 3 days agoOpen this trip
27 Dec$102Parata AirIncheon International Airport (ICN) → Narita International Airport (NRT)nonstopfound 5 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $54.

October 2026From $631 departure date27 Oct · found 5 days agoOpen this tripEvery date in October 2026
November 2026From $562 departure dates17 Nov · found 4 days agoOpen this tripEvery date in November 2026
December 2026From $54Cheapest seen5 departure dates8 Dec · found 4 days agoOpen this trip
January 2027From $956 departure dates16 Jan 2027 · found 6 hours agoOpen this tripEvery date in January 2027
February 2027From $9010 departure dates12 Feb 2027 · found 5 hours agoOpen this tripEvery date in February 2027
March 2027From $917 departure dates5 Mar 2027 · found todayOpen this tripEvery date in March 2027
April 2027From $10216 departure dates7 Apr 2027 · found 3 days agoOpen this tripEvery date in April 2027
May 2027From $10810 departure dates12 May 2027 · found 5 days agoOpen this tripEvery date in May 2027
June 2027From $1079 departure dates30 Jun 2027 · found 2 days agoOpen this tripEvery date in June 2027
July 2027From $1084 departure dates5 Jul 2027 · found 2 days agoOpen this trip
August 2027From $1023 departure dates30 Aug 2027 · found 3 days agoOpen this trip
September 2027From $874 departure dates28 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