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Busan to Seoul in October 2026 PUS → GMP, ICN

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

For departures in October 2026, the cheapest return found recently is $57 with Eastar Jet, 27 Oct – 27 Oct, found 2 days ago. The cheapest one-way found recently is $22 with Eastar Jet, 29 Oct, found 7 hours ago.

Return

In October 2026, the cheapest return fare on each of 7 departure dates is usually $65 to $75. Across all 19 departure dates we hold on this route, it is usually $70 to $82. Of the 3 months with enough return fares to compare, October 2026 is usually the cheapest.

Cheapest return found recently

$57

27 Oct – 27 Oct · 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 October 2026

DatesFromAirlineStopsFound
27 Oct – 27 Oct$57Eastar Jetout nonstop, back nonstopfound 2 days agoSee prices for these dates
25 Oct – 27 Oct$64Eastar Jetout nonstop, back nonstopfound 2 days agoSee prices for these dates
23 Oct – 26 Oct$66T'way Airout nonstop, back nonstopfound 4 days agoSee prices for these dates
26 Oct – 29 Oct$70Jin Airout nonstop, back nonstopfound 3 days agoSee prices for these dates
29 Oct – 29 Oct$70Eastar Jetout nonstop, back nonstopfound 6 days agoSee prices for these dates

Every date we hold

7 departure dates

20 Oct – 21 Oct: $81, found 5 days ago21 Oct – 31 Oct: $80, found 2 days ago23 Oct – 26 Oct: $66, found 4 days ago25 Oct – 27 Oct: $64, found 2 days ago26 Oct – 29 Oct: $70, found 3 days ago27 Oct – 27 Oct: $57, found 2 days ago29 Oct – 29 Oct: $70, found 6 days agoOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
20 Oct – 21 Oct$81T'way AirGimhae International Airport (PUS) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 5 days agoSee prices for these dates
21 Oct – 31 Oct$80T'way AirGimhae International Airport (PUS) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 2 days agoSee prices for these dates
23 Oct – 26 Oct$66T'way AirGimhae International Airport (PUS) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 4 days agoSee prices for these dates
25 Oct – 27 Oct$64Eastar JetGimhae International Airport (PUS) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 2 days agoSee prices for these dates
26 Oct – 29 Oct$70Jin AirGimhae International Airport (PUS) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 3 days agoSee prices for these dates
27 Oct – 27 Oct$57Eastar JetGimhae International Airport (PUS) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 2 days agoSee prices for these dates
29 Oct – 29 Oct$70Eastar JetGimhae International Airport (PUS) → Gimpo International Airport (GMP)out nonstop, back nonstopfound 6 days agoSee prices for these dates

Which month looks cheapest?

October 2026 is the cheapest month — from $57.

October 2026From $57Cheapest seen7 departure dates27 Oct – 27 Oct · found 2 days agoSee prices for these dates
November 2026From $775 departure dates12 Nov – 22 Nov · found 2 days agoSee prices for these datesEvery date in November 2026
December 2026From $776 departure dates3 Dec – 13 Dec · found 2 days agoSee prices for these dates
March 2027From $581 departure date4 Mar 2027 – 11 Mar 2027 · found 2 days agoSee prices for these datesEvery date in March 2027

One-way

In October 2026, the cheapest one-way fare on each of 7 departure dates is usually $26 to $35. Across all 50 departure dates we hold on this route, it is usually $27 to $40. Of the 4 months with enough one-way fares to compare, 1 is usually cheaper than October 2026.

Cheapest one-way found recently

$22

29 Oct · Eastar Jet

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

nonstop

found 7 hours 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 October 2026

DatesFromAirlineStopsFound
29 Oct$22Eastar Jetnonstopfound 7 hours agoOpen this trip
28 Oct$25Jeju Airnonstopfound 18 hours agoOpen this trip
27 Oct$27Jeju Airnonstopfound 2 days agoOpen this trip
26 Oct$30Eastar Jetnonstopfound 3 days agoOpen this trip
25 Oct$32Eastar Jetnonstopfound 2 days agoOpen this trip

Every date we hold

7 departure dates

22 Oct: $37, found 2 days ago23 Oct: $38, found yesterday25 Oct: $32, found 2 days ago26 Oct: $30, found 3 days ago27 Oct: $27, found 2 days ago28 Oct: $25, found 18 hours ago29 Oct: $22, found 7 hours agoOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
22 Oct$37T'way AirGimhae International Airport (PUS) → Gimpo International Airport (GMP)nonstopfound 2 days agoOpen this trip
23 Oct$38T'way AirGimhae International Airport (PUS) → Gimpo International Airport (GMP)nonstopfound yesterdayOpen this trip
25 Oct$32Eastar JetGimhae International Airport (PUS) → Gimpo International Airport (GMP)nonstopfound 2 days agoOpen this trip
26 Oct$30Eastar JetGimhae International Airport (PUS) → Gimpo International Airport (GMP)nonstopfound 3 days agoOpen this trip
27 Oct$27Jeju AirGimhae International Airport (PUS) → Gimpo International Airport (GMP)nonstopfound 2 days agoOpen this trip
28 Oct$25Jeju AirGimhae International Airport (PUS) → Gimpo International Airport (GMP)nonstopfound 18 hours agoOpen this trip
29 Oct$22Eastar JetGimhae International Airport (PUS) → Gimpo International Airport (GMP)nonstopfound 7 hours agoOpen this trip

Which month looks cheapest?

October 2026 is the cheapest month — from $22.

October 2026From $22Cheapest seen7 departure dates29 Oct · found 7 hours agoOpen this trip
November 2026From $2222 departure dates3 Nov · found 6 days agoOpen this tripEvery date in November 2026
December 2026From $266 departure dates1 Dec · found todayOpen this trip
January 2027From $272 departure dates7 Jan 2027 · found 5 days agoOpen this trip
February 2027From $292 departure dates18 Feb 2027 · found yesterdayOpen this trip
March 2027From $298 departure dates3 Mar 2027 · found 5 days agoOpen this tripEvery date in March 2027
April 2027From $842 departure dates5 Apr 2027 · found todayOpen this trip
July 2027From $901 departure date19 Jul 2027 · found 3 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