$155 Cheap Flights from Seoul (ICN) to Kaohsiung (KHH)

Find available prices by choosing your travel dates.

Cheap Flights from Seoul to Kaohsiung (ICN-KHH)

Prices were available within the past 7 days and start at $155 for one-way flights and $169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'Way Air
T'Way Air
T'Way Air
T'Way Air
T'Way Air
T'Way Air
Cathay Pacific
China Airlines
China Eastern Airlines
EVA Airways
Flights from Seoul (ICN) to Kaohsiung (KHH)
Origin airport
Incheon Intl.
Destination airport
Kaohsiung Intl.
Airlines serving
Air Macau Company, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, EVA Airways, Korean Air, T'Way Air
Roundtrip price
$169
Distance
1090 mi

Seoul to Kaohsiung Flights

The cheapest times to fly from Seoul to Kaohsiung

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 Seoul to Kaohsiung are during the month of May. You can find some of the cheapest flights from Seoul to Kaohsiung with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Seoul to Kaohsiung

Sunday is one of the best days to book for cheap flights from Seoul to Kaohsiung: 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 Seoul to Kaohsiung

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 Seoul to Kaohsiung in 2025. You can also book with separate airlines for your outbound and return journeys, from $155 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 Seoul to Kaohsiung 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 Seoul to Kaohsiung 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 Incheon Intl. Airport (ICN) to Kaohsiung Intl. Airport (KHH) cost?
Cheap return fares from Incheon Intl. Airport (ICN) to Kaohsiung Intl. Airport (KHH) start at $251. 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 China Airlines flight leaving ICN on May 9 2025 and touching down at KHH. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from ICN to KHH?
The cheapest flights from ICN to KHH 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 Incheon Intl. Airport (ICN) to Kaohsiung Intl. Airport (KHH)?
Enjoy an uninterrupted journey to Kaohsiung Intl. Airport (KHH). 4 carriers offer direct flights from Incheon Intl. Airport (ICN), including:

  • EVA Air
  • China Airlines
  • TWay Air

What is the cheapest airline that flies from ICN to KHH?
With fares starting at $172 for a one-way flight from ICN to KHH, EVA Airways is currently the cheapest carrier on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ICN on July 2 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Incheon Intl. Airport (ICN) to Kaohsiung Intl. Airport (KHH)?
Each day, an average of 3 direct flights operate from Incheon Intl. Airport (ICN) to Kaohsiung Intl. Airport (KHH). Choose the departure that works for you.
What are the most popular departure times for flights from Incheon Intl. Airport (ICN) to Kaohsiung Intl. Airport (KHH)?
Flights between ICN and KHH are busiest at 12 PM. If you’d like a more relaxed experience and possibly cheaper prices, look for a time when demand is lower.
What day of the week has the most flights from ICN to KHH?
Jet off on a Sunday if you’re searching for the best selection of flights from Incheon Intl. Airport (ICN) to Kaohsiung Intl. Airport (KHH).
What is the earliest flight from Incheon Intl. Airport (ICN) to Kaohsiung Intl. Airport (KHH)?
Incheon Intl. Airport (ICN)’s earliest flight to Kaohsiung Intl. Airport (KHH) takes off at approximately 12:00PM UTC+9. With a travel time of 3h 10m, you’ll touch down at around 2:10PM UTC+8.
How long does it take to fly from Incheon Intl. Airport (ICN) to Kaohsiung Intl. Airport (KHH)?
Flights from ICN to KHH have an average travel time of 3 hours and 17 minutes. The total distance between the two is 1,100 mi.
What airline has the least delays from ICN to KHH?
With 100% of journeys typically arriving as scheduled, Asiana Airlines has the best on-time performance for direct flights from Incheon Intl. Airport (ICN) to Kaohsiung Intl. Airport (KHH). To check your flight status and get notified about any changes, use the Expedia App.
What is the best time to fly from Incheon Intl. Airport (ICN) to Kaohsiung Intl. Airport (KHH)?
To avoid possible delays on the Incheon Intl. Airport (ICN) to Kaohsiung Intl. Airport (KHH) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**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 Kaohsiung from Incheon Intl. Airport (ICN)?
Kaohsiung Intl. Airport (KHH) is the only airport in Kaohsiung with direct flights from Incheon Intl. Airport (ICN). Check out your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Kaohsiung Intl. Airport (KHH) last-minute?
Booking your plane ticket from ICN to KHH shortly before your journey is usually more expensive. However, if there’s some wiggle room with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book an ICN to KHH flight and hotel package?
Opting for an ICN to KHH flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Kaohsiung Intl. Airport (KHH)?
If you reserved your ICN to KHH flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.