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$138+ Cheap flights from Incheon Intl (ICN) to Busan (PUS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — PUS
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Incheon Intl to Busan

Cheapest flights from Incheon Intl to Busan
Explore the most affordable flight options available from Incheon Intl to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:20 pmICN - PUS
1 stop11h 35mMultiple Airlines
Sun 1/42:30 pmPUS - ICN
1 stop17h 25mMultiple Airlines
Deal found 12/22$454

Find flight deals from Incheon Intl to Busan

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Busan (PUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$322
(Jetabroad)

One-way from

$138
(Jetabroad)

Popular in

October

Cheapest in

January

Average price

$125
Provider with most accurate pricing for Incheon Intl-Busan Gimhae flight deals.
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Provider most trusted by Cheapflights users for Incheon Intl-Busan Gimhae flights.
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From Incheon Intl to Busan Gimhae
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One-way flight from Incheon Intl to Busan Gimhae
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Highest demand for flights based on searches. 29% potential increase in price ($90 potential increase over avg. RT price).
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Cheapest flight prices on average. 21% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Incheon Intl to Busan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Busan that are best for you.

Fly from

Incheon Intl

Fly to

Busan

Route

Depart

Return

Price

IncheonBusan

ICN - PUS

ICNPUS

Incheon Intl

Tue 5/5

5:20 pm-10:00 am

1 stop16h 40m

Busan Gimhae

Fri 5/8

7:00 am-1:30 pm

1 stop6h 30m

$343

IncheonBusan

ICN - PUS

ICNPUS

Incheon Intl

Wed 2/4

9:25 am-9:45 am

2 stops24h 20m

Busan Gimhae

Wed 2/11

5:00 pm-9:55 pm

1 stop4h 55m

$377

IncheonBusan

ICN - PUS

ICNPUS

Incheon Intl

Sun 1/18

1:10 pm-11:45 am

1 stop22h 35m

Busan Gimhae

Sun 1/25

12:45 pm-1:20 pm

1 stop24h 35m

$393

IncheonBusan

ICN - PUS

ICNPUS

Incheon Intl

Sun 1/18

8:10 pm-10:20 am

1 stop14h 10m

Busan Gimhae

Sun 1/25

7:30 pm-7:50 pm

2 stops24h 20m

$408

IncheonBusan

ICN - PUS

ICNPUS

Incheon Intl

Tue 5/5

10:05 am-9:05 am

2 stops23h 00m

Busan Gimhae

Fri 5/8

4:30 pm-9:35 pm

1 stop5h 05m

$412

IncheonBusan

ICN - PUS

ICNPUS

Incheon Intl

Thu 2/5

6:05 pm-11:55 am

1 stop17h 50m

Busan Gimhae

Tue 2/10

2:05 pm-9:05 pm

1 stop7h 00m

$420

IncheonBusan

ICN - PUS

ICNPUS

Incheon Intl

Thu 2/5

9:50 pm-1:05 pm

1 stop15h 15m

Busan Gimhae

Tue 2/10

2:05 pm-1:35 am

1 stop11h 30m

$431

IncheonBusan

ICN - PUS

ICNPUS

Incheon Intl

Thu 1/8

1:10 pm-11:45 am

1 stop22h 35m

Busan Gimhae

Mon 1/26

12:45 pm-4:35 pm

1 stop27h 50m

$443

IncheonBusan

ICN - PUS

ICNPUS

Incheon Intl

Thu 1/8

7:10 pm-12:10 pm

1 stop17h 00m

Busan Gimhae

Sun 1/11

5:00 pm-11:00 am

1 stop18h 00m

$498

IncheonBusan

ICN - PUS

ICNPUS

Incheon Intl

Thu 1/8

6:05 pm-11:55 am

1 stop17h 50m

Busan Gimhae

Thu 1/15

2:05 pm-9:05 pm

1 stop7h 00m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 22 results
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  • Most accurate provider: When it comes to deals on Incheon Intl Airport-Busan flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-Busan flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Busan flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Incheon Intl Airport-Busan flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-Busan flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Incheon Intl to Busan

Have a flexible travel schedule? Discover the best time to fly to Busan from Incheon Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Incheon Intl Airport to Busan

What is the cheapest month to book a flight from Incheon Intl Airport to Busan?

Currently, January is the cheapest month in which you can book a flight from Incheon Intl Airport to Busan (average of $41). Flying from Incheon Intl Airport to Busan in July is currently the most expensive (average of $430). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ICN to PUS?

Find hourly flight availability from Incheon Intl to Busan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

It’s optimal to fly from Incheon Intl Airport to Busan in the evening. By choosing this option you can save up to 81% on the cost of your flight, compared to a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl to Busan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Busan from Incheon Intl?

    Busan Gimhae (PUS), located 7.2 mi from the city center, is the airport you fly into when you book flights from Incheon Intl to Busan. 0 airlines have flights to Gimhae from Incheon Intl on a regular basis. Booking flights from Incheon Intl to Busan Gimhae should not be difficult; the airport handles an average of 15 inbound flights from Incheon Intl per day.

  • How long is the flight from Incheon Intl Airport to Busan?

    There are many flights that can get you from Incheon Intl Airport to Busan in 16h 40m. Fly via Jeju Air or Air China to get the fastest option. The distance between Incheon Intl Airport and Busan is about 210 mi. This flight may include one or multiple stops.

  • What are the most reliable airlines from Incheon Intl Airport to Busan?

    Consider Air France (84%), Korean Air (83%) or Garuda Indonesia (82%) when booking your flight. These represent the most reliable airlines when flying from Incheon Intl Airport to Busan.

  • Can I find deals for flights from Incheon Intl to Busan that include hotel bookings?

    Yes. In addition to deals on Incheon Intl to Busan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Incheon Intl to Busan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to Busan.

  • Can I find deals for business class flights from Incheon Intl to Busan?

    Yes. Cheapflights offers flight deals from Incheon Intl to Busan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Incheon Intl Airport to Busan?

    Currently, January is the cheapest month in which you can book a flight from Incheon Intl Airport to Busan (average of $41). Flying from Incheon Intl Airport to Busan in July is currently the most expensive (average of $430). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Incheon Intl to Busan

See prices for flight routes from nearby airports that may be better suited for you.
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Gimpo Intl to Jeju City flights
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