$119 Cheap Flights from Kaohsiung (KHH) to Seoul (GMP)

View $119 flight on Thu, Oct 2, 2025Opens in a new window

Popular airlines from Kaohsiung Intl. Airport (KHH) to Gimpo Intl. Airport (GMP)

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Cheap Flights from Kaohsiung to Seoul (KHH-GMP)

Prices were available within the past 7 days and start at $119 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air
Tue, Sep 30 - Tue, Oct 14
KHH
Kaohsiung
GMP
Seoul
$224 Roundtrip, found 4 days ago
$224
Roundtrip
found 4 days ago
Select Jeju Air flight, departing Tue, Sep 30 from Kaohsiung to Seoul, returning Tue, Oct 14, priced at $224 found 4 days ago
Hahn Air Systems
Thu, Oct 2 - Thu, Oct 16
KHH
Kaohsiung
GMP
Seoul
$228 Roundtrip, found 3 hours ago
$228
Roundtrip
found 3 hours ago
Select Hahn Air Systems flight, departing Thu, Oct 2 from Kaohsiung to Seoul, returning Thu, Oct 16, priced at $228 found 3 hours ago
Jeju Air
Thu, Oct 2 - Thu, Oct 16
KHH
Kaohsiung
GMP
Seoul
$231 Roundtrip, found 3 hours ago
$231
Roundtrip
found 3 hours ago
Select Jeju Air flight, departing Thu, Oct 2 from Kaohsiung to Seoul, returning Thu, Oct 16, priced at $231 found 3 hours ago
T'Way Air
Wed, Aug 27 - Wed, Sep 10
KHH
Kaohsiung
GMP
Seoul
$236 Roundtrip, found 4 days ago
$236
Roundtrip
found 4 days ago
Select T'Way Air flight, departing Wed, Aug 27 from Kaohsiung to Seoul, returning Wed, Sep 10, priced at $236 found 4 days ago
T'Way Air
Fri, Sep 5 - Mon, Sep 22
KHH
Kaohsiung
GMP
Seoul
$239 Roundtrip, found 4 days ago
$239
Roundtrip
found 4 days ago
Select T'Way Air flight, departing Fri, Sep 5 from Kaohsiung to Seoul, returning Mon, Sep 22, priced at $239 found 4 days ago
Hahn Air Systems
Thu, Oct 2 - Thu, Oct 16
KHH
Kaohsiung
GMP
Seoul
$240 Roundtrip, found 3 hours ago
$240
Roundtrip
found 3 hours ago
Select Hahn Air Systems flight, departing Thu, Oct 2 from Kaohsiung to Seoul, returning Thu, Oct 16, priced at $240 found 3 hours ago
Hahn Air Systems
Sat, Sep 20 - Tue, Sep 23
KHH
Kaohsiung
GMP
Seoul
$244 Roundtrip, found 1 day ago
$244
Roundtrip
found 1 day ago
Select Hahn Air Systems flight, departing Sat, Sep 20 from Kaohsiung to Seoul, returning Tue, Sep 23, priced at $244 found 1 day ago
Jeju Air
Sat, Sep 20 - Tue, Sep 23
KHH
Kaohsiung
GMP
Seoul
$247 Roundtrip, found 1 day ago
$247
Roundtrip
found 1 day ago
Select Jeju Air flight, departing Sat, Sep 20 from Kaohsiung to Seoul, returning Tue, Sep 23, priced at $247 found 1 day ago
T'Way Air
Fri, Aug 29 - Wed, Sep 17
KHH
Kaohsiung
GMP
Seoul
$249 Roundtrip, found 4 days ago
$249
Roundtrip
found 4 days ago
Select T'Way Air flight, departing Fri, Aug 29 from Kaohsiung to Seoul, returning Wed, Sep 17, priced at $249 found 4 days ago
Jeju Air
Tue, Sep 30 - Thu, Oct 16
KHH
Kaohsiung
GMP
Seoul
$252 Roundtrip, found 4 days ago
$252
Roundtrip
found 4 days ago
Select Jeju Air flight, departing Tue, Sep 30 from Kaohsiung to Seoul, returning Thu, Oct 16, priced at $252 found 4 days ago

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Incheon Intl. ICN. Average driving time to city center is 47 minutes. Flights from $467
ICN
Incheon Intl.
Average driving time to city center47 min
Flights from $467
Flights from Kaohsiung (KHH) to Seoul (GMP)
Origin airport
Kaohsiung Intl.
Destination airport
Gimpo Intl.
Airlines serving
Hahn Air Systems, Jeju Air
Roundtrip price
$224
Distance
1104 mi
Average flight time
3 hours 51 mins

Kaohsiung to Seoul Flights

The cheapest times to fly from Kaohsiung to Seoul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kaohsiung to Seoul are during the month of September. You can find some of the cheapest flights from Kaohsiung to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kaohsiung to Seoul

Sunday is one of the best days to book for cheap flights from Kaohsiung to Seoul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kaohsiung to Seoul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kaohsiung to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $119 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kaohsiung to Seoul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kaohsiung to Seoul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kaohsiung Intl. Airport (KHH) to Gimpo Intl. Airport (GMP) cost?
You can book cheap return tickets starting from $340 from Kaohsiung Intl. Airport (KHH) to Gimpo Intl. Airport (GMP). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Hahn Air and Jeju Air flight leaving KHH on July 31 2025 and touching down at GMP. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from KHH to GMP?
The cheapest flights from KHH to GMP are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Kaohsiung Intl. Airport (KHH) to Gimpo Intl. Airport (GMP)?
Skip the stopovers and fly direct from Kaohsiung Intl. Airport (KHH) to Gimpo Intl. Airport (GMP) with 3 airlines, including:

  • TWay Air
  • Tigerair Taiwan
  • China Airlines

What is the cheapest airline that flies from KHH to GMP?
Currently, the cheapest airline offering one-way flights from KHH to GMP is Jeju Air. You can take off on this route from $164. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from KHH on August 26 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Kaohsiung Intl. Airport (KHH) to Gimpo Intl. Airport (GMP)?
On average, you'll only find 1 nonstop flight operating from Kaohsiung Intl. Airport (KHH) to Gimpo Intl. Airport (GMP) per day. If this doesn't fit your travel plans, check out flights with a layover. Just customize your search on Expedia to include one stop or more to discover the next best option.
What are the most popular departure times for flights from Kaohsiung Intl. Airport (KHH) to Gimpo Intl. Airport (GMP)?
Flights between KHH and GMP tend to be busiest at 2 PM. If you'd like a more relaxed trip and possibly cheaper fares, choose a time outside the usual busy windows.
What day of the week has the most flights from KHH to GMP?
If you depart on a Friday, you'll get the largest range of choices for flights from Kaohsiung Intl. Airport (KHH) to Gimpo Intl. Airport (GMP).
What is the earliest flight from Kaohsiung Intl. Airport (KHH) to Gimpo Intl. Airport (GMP)?
Catch the earliest flight at around 2:05PM UTC+8, leaving from Kaohsiung Intl. Airport (KHH). You'll be flying for roughly 2h 50m, landing at Gimpo Intl. Airport (GMP) at approximately 5:55PM UTC+9.
How long does it take to fly from Kaohsiung Intl. Airport (KHH) to Gimpo Intl. Airport (GMP)?
It takes approximately 2 hours and 49 minutes to travel the 1,100 mi from KHH to GMP.
What airline has the least delays from KHH to GMP?
With 82% of flights usually landing on schedule, Tigerair Taiwan has the best on-time performance for direct flights from Kaohsiung Intl. Airport (KHH) to Gimpo Intl. Airport (GMP). To monitor your flight status and receive notifications if anything changes, simply head to the Expedia App.
What is the best time to fly from Kaohsiung Intl. Airport (KHH) to Gimpo Intl. Airport (GMP)?
To land at Gimpo Intl. Airport (GMP) without delays, opt for a flight that leaves Kaohsiung Intl. Airport (KHH) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seoul from Kaohsiung Intl. Airport (KHH)?
If you're catching a direct flight from Kaohsiung Intl. Airport (KHH) to Seoul, you can arrive at either Incheon Intl. Airport (ICN) or Gimpo Intl. Airport (GMP).
Is it cheaper to buy a plane ticket from Kaohsiung Intl. Airport (KHH) to Gimpo Intl. Airport (GMP) last-minute?
Holding off until just before your departure to book your flight from KHH to GMP generally means paying more. Although you may find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule to boost your chances of scoring a bargain.
Is it cheaper to book a KHH to GMP flight and hotel package?
Compared with arranging flights and hotels separately, booking a KHH to GMP flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the stress out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Kaohsiung Intl. Airport (KHH) to Gimpo Intl. Airport (GMP)?
In most instances, you can cancel or modify your KHH to GMP flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like further information, go to our Customer Service portal.

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*Available to One Key members.