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Seoul to Busan in April 2027 GMP, ICN → PUS

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

For departures in April 2027, the cheapest return found recently is $166 with Korean Air, 21 Apr 2027 – 30 Apr 2027, found 4 days ago. The cheapest one-way found recently is $77 with Korean Air, 1 Apr 2027, found yesterday.

Return

We hold return fares on only 2 departure dates in April 2027, too few to say what one usually costs.

Cheapest return found recently

$166

21 Apr 2027 – 30 Apr 2027 · Korean Air

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

out nonstop, back nonstop

found 4 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 April 2027

DatesFromAirlineStopsFound
21 Apr 2027 – 30 Apr 2027$166Korean Airout nonstop, back nonstopfound 4 days agoSee prices for these dates
2 Apr 2027 – 14 Apr 2027$174Korean Airout nonstop, back nonstopfound 6 days agoSee prices for these dates

Every date we hold

2 departure dates

2 Apr 2027 – 14 Apr 2027: $174, found 6 days ago21 Apr 2027 – 30 Apr 2027: $166, found 4 days agoApr
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Apr 2027 – 14 Apr 2027$174Korean AirGimpo International Airport (GMP) → Gimhae International Airport (PUS)out nonstop, back nonstopfound 6 days agoSee prices for these dates
21 Apr 2027 – 30 Apr 2027$166Korean AirGimpo International Airport (GMP) → Gimhae International Airport (PUS)out nonstop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

February 2027 is the cheapest month — from $59.

October 2026From $624 departure dates26 Oct – 28 Oct · found 5 days agoSee prices for these dates
November 2026From $6413 departure dates3 Nov – 6 Nov · found 2 days agoSee prices for these datesEvery date in November 2026
December 2026From $972 departure dates25 Dec – 7 Jan 2027 · found yesterdaySee prices for these dates
February 2027From $59Cheapest seen1 departure date16 Feb 2027 – 18 Feb 2027 · found 5 days agoSee prices for these datesEvery date in February 2027
March 2027From $1131 departure date22 Mar 2027 – 29 Mar 2027 · found 6 days agoSee prices for these datesEvery date in March 2027
April 2027From $1662 departure dates21 Apr 2027 – 30 Apr 2027 · found 4 days agoSee prices for these dates
June 2027From $1741 departure date5 Jun 2027 – 18 Jun 2027 · found 4 days agoSee prices for these dates

One-way

In April 2027, the cheapest one-way fare on each of 7 departure dates is usually $83 to $94. Across all 58 departure dates we hold on this route, it is usually $37 to $83. Of the 7 months with enough one-way fares to compare, 5 are usually cheaper than April 2027.

Cheapest one-way found recently

$77

1 Apr 2027 · Korean Air

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

nonstop

found yesterday

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 April 2027

DatesFromAirlineStopsFound
1 Apr 2027$77Korean Airnonstopfound yesterdayOpen this trip
5 Apr 2027$82Korean Airnonstopfound 4 days agoOpen this trip
29 Apr 2027$83Korean Airnonstopfound yesterdayOpen this trip
3 Apr 2027$92Korean Airnonstopfound 6 days agoOpen this trip
2 Apr 2027$94Korean Airnonstopfound 2 days agoOpen this trip

Every date we hold

7 departure dates

1 Apr 2027: $77, found yesterday2 Apr 2027: $94, found 2 days ago3 Apr 2027: $92, found 6 days ago5 Apr 2027: $82, found 4 days ago17 Apr 2027: $94, found 2 days ago23 Apr 2027: $94, found 2 days ago29 Apr 2027: $83, found yesterdayApr
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Apr 2027$77Korean AirGimpo International Airport (GMP) → Gimhae International Airport (PUS)nonstopfound yesterdayOpen this trip
2 Apr 2027$94Korean AirGimpo International Airport (GMP) → Gimhae International Airport (PUS)nonstopfound 2 days agoOpen this trip
3 Apr 2027$92Korean AirGimpo International Airport (GMP) → Gimhae International Airport (PUS)nonstopfound 6 days agoOpen this trip
5 Apr 2027$82Korean AirGimpo International Airport (GMP) → Gimhae International Airport (PUS)nonstopfound 4 days agoOpen this trip
17 Apr 2027$94Korean AirGimpo International Airport (GMP) → Gimhae International Airport (PUS)nonstopfound 2 days agoOpen this trip
23 Apr 2027$94Korean AirGimpo International Airport (GMP) → Gimhae International Airport (PUS)nonstopfound 2 days agoOpen this trip
29 Apr 2027$83Korean AirGimpo International Airport (GMP) → Gimhae International Airport (PUS)nonstopfound yesterdayOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $25.

October 2026From $305 departure dates29 Oct · found todayOpen this trip
November 2026From $288 departure dates19 Nov · found 2 days agoOpen this tripEvery date in November 2026
December 2026From $25Cheapest seen5 departure dates10 Dec · found 5 days agoOpen this trip
January 2027From $281 departure date7 Jan 2027 · found 20 hours agoOpen this trip
February 2027From $2611 departure dates11 Feb 2027 · found 4 days agoOpen this tripEvery date in February 2027
March 2027From $287 departure dates24 Mar 2027 · found 2 days agoOpen this tripEvery date in March 2027
April 2027From $777 departure dates1 Apr 2027 · found yesterdayOpen this trip
May 2027From $8311 departure dates20 May 2027 · found 6 days agoOpen this tripEvery date in May 2027
June 2027From $801 departure date10 Jun 2027 · found 4 days agoOpen this trip
July 2027From $891 departure date20 Jul 2027 · found 3 days agoOpen this trip
September 2027From $841 departure date2 Sept 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