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Busan to Seoul flights in December 2026 from $23 PUS → GMP, ICN

Gimhae International Airport (PUS) → Gimpo International Airport (GMP), Incheon International Airport (ICN)

For departures in December 2026, the cheapest return found recently is $84 with Eastar Jet, 25 Dec – 14 Jan 2027, found 2 days ago. The cheapest one-way found recently is $23 with Eastar Jet, 1 Dec, found 2 days ago.

Return

We hold return fares on only 2 departure dates in December 2026, too few to say what one usually costs.

Cheapest return found recently

$84

25 Dec – 14 Jan 2027 · Eastar Jet

Gimhae International Airport (PUS) → Gimpo International Airport (GMP)

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
25 Dec – 14 Jan 2027$84Eastar Jetout nonstop, back nonstopfound 2 days agoSee prices for these dates
22 Dec – 1 Jan 2027$96Eastar Jetout nonstop, back nonstopfound 7 days agoSee prices for these dates

Every date we hold

2 departure dates

22 Dec – 1 Jan 2027: $96, found 7 days ago25 Dec – 14 Jan 2027: $84, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
22 Dec – 1 Jan 2027$96Eastar JetGimhae International Airport (PUS) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 7 days agoSee prices for these dates
25 Dec – 14 Jan 2027$84Eastar JetGimhae International Airport (PUS) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $58.

November 2026From $58Cheapest seen1 departure date15 Nov – 16 Nov · found 2 days agoSee prices for these datesEvery date in November 2026
December 2026From $842 departure dates25 Dec – 14 Jan 2027 · found 2 days agoSee prices for these dates
January 2027From $1071 departure date2 Jan 2027 – 4 Feb 2027 · found 2 days agoSee prices for these dates
May 2027From $1774 departure dates18 May 2027 – 29 May 2027 · found 5 days agoSee prices for these dates
June 2027From $1851 departure date1 Jun 2027 – 4 Jun 2027 · found 5 days agoSee prices for these dates
October 2027From $1861 departure date5 Oct 2027 – 9 Oct 2027 · found 7 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 8 departure dates is usually $24 to $43. Across all 44 departure dates we hold on this route, it is usually $28 to $60. Of the 6 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$23

1 Dec · Eastar Jet

Gimhae International Airport (PUS) → Gimpo International Airport (GMP)

nonstop

found 2 days ago

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
1 Dec$23Eastar Jetnonstopfound 2 days agoOpen this trip
3 Dec$24Air Busannonstopfound 2 days agoOpen this trip
8 Dec$24Air Busannonstopfound 2 days agoOpen this trip
15 Dec$24Air Busannonstopfound 2 days agoOpen this trip
11 Dec$28Eastar Jetnonstopfound 7 days agoOpen this trip

Every date we hold

8 departure dates

1 Dec: $23, found 2 days ago3 Dec: $24, found 2 days ago5 Dec: $47, found 3 days ago8 Dec: $24, found 2 days ago11 Dec: $28, found 7 days ago15 Dec: $24, found 2 days ago26 Dec: $52, found 2 days ago27 Dec: $41, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec$23Eastar JetGimhae International Airport (PUS) → Gimpo International Airport (GMP)nonstopfound 2 days agoOpen this trip
3 Dec$24Air BusanGimhae International Airport (PUS) → Gimpo International Airport (GMP)nonstopfound 2 days agoOpen this trip
5 Dec$47Eastar JetGimhae International Airport (PUS) → Gimpo International Airport (GMP)nonstopfound 3 days agoOpen this trip
8 Dec$24Air BusanGimhae International Airport (PUS) → Gimpo International Airport (GMP)nonstopfound 2 days agoOpen this trip
11 Dec$28Eastar JetGimhae International Airport (PUS) → Gimpo International Airport (GMP)nonstopfound 7 days agoOpen this trip
15 Dec$24Air BusanGimhae International Airport (PUS) → Gimpo International Airport (GMP)nonstopfound 2 days agoOpen this trip
26 Dec$52Eastar JetGimhae International Airport (PUS) → Gimpo International Airport (GMP)nonstopfound 2 days agoOpen this trip
27 Dec$41Eastar JetGimhae International Airport (PUS) → Gimpo International Airport (GMP)nonstopfound 2 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $23.

November 2026From $2611 departure dates18 Nov · found 5 days agoOpen this tripEvery date in November 2026
December 2026From $23Cheapest seen8 departure dates1 Dec · found 2 days agoOpen this trip
January 2027From $275 departure dates22 Jan 2027 · found 3 days agoOpen this trip
February 2027From $481 departure date15 Feb 2027 · found 4 days agoOpen this trip
March 2027From $298 departure dates5 Mar 2027 · found 8 days agoSee prices for these datesEvery date in March 2027
April 2027From $843 departure dates1 Apr 2027 · found 4 days agoOpen this trip
June 2027From $845 departure dates1 Jun 2027 · found 6 days agoOpen this trip
August 2027From $1031 departure date2 Aug 2027 · found 2 days agoOpen this trip
October 2027From $822 departure dates29 Oct 2027 · found 7 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