$418 Cheap Flights from Killeen (GRK) to Seoul (ICN)

View $418 flight on Tue, Feb 17, 2026Opens in a new window

Popular airlines from Killeen, TX (GRK-Killeen-Fort Hood Regional) to Incheon Intl. Airport (ICN)

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Cheap Flights from Killeen to Seoul (GRK-ICN)

Prices were available within the past 7 days and start at $418 for one-way flights and $846 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Feb 17 - Wed, Feb 25
GRK
Killeen
ICN
Seoul
$846 Roundtrip, found 3 days ago
$846
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Feb 17 from Killeen to Seoul, returning Wed, Feb 25, priced at $846 found 3 days ago
American Airlines
Tue, Feb 17 - Wed, Feb 25
GRK
Killeen
ICN
Seoul
$850 Roundtrip, found 3 days ago
$850
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Feb 17 from Killeen to Seoul, returning Wed, Feb 25, priced at $850 found 3 days ago
American Airlines
Tue, Feb 17 - Wed, Feb 25
GRK
Killeen
ICN
Seoul
$856 Roundtrip, found 3 days ago
$856
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Feb 17 from Killeen to Seoul, returning Wed, Feb 25, priced at $856 found 3 days ago
American Airlines
Tue, Feb 17 - Wed, Feb 25
GRK
Killeen
ICN
Seoul
$861 Roundtrip, found 3 days ago
$861
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Feb 17 from Killeen to Seoul, returning Wed, Feb 25, priced at $861 found 3 days ago
American Airlines
Wed, Mar 25 - Wed, Apr 22
GRK
Killeen
ICN
Seoul
$871 Roundtrip, found 4 days ago
$871
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Mar 25 from Killeen to Seoul, returning Wed, Apr 22, priced at $871 found 4 days ago
American Airlines
Tue, Mar 24 - Wed, Apr 22
GRK
Killeen
ICN
Seoul
$871 Roundtrip, found 3 days ago
$871
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Mar 24 from Killeen to Seoul, returning Wed, Apr 22, priced at $871 found 3 days ago
American Airlines
Wed, Mar 25 - Wed, Apr 22
GRK
Killeen
ICN
Seoul
$876 Roundtrip, found 4 days ago
$876
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Mar 25 from Killeen to Seoul, returning Wed, Apr 22, priced at $876 found 4 days ago
American Airlines
Tue, Feb 17 - Wed, Feb 25
GRK
Killeen
ICN
Seoul
$930 Roundtrip, found 3 days ago
$930
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Feb 17 from Killeen to Seoul, returning Wed, Feb 25, priced at $930 found 3 days ago
American Airlines
Tue, Feb 17 - Wed, Feb 25
GRK
Killeen
ICN
Seoul
$942 Roundtrip, found 3 days ago
$942
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Feb 17 from Killeen to Seoul, returning Wed, Feb 25, priced at $942 found 3 days ago
Qatar Airways
Mon, Mar 9 - Mon, Mar 16
GRK
Killeen
ICN
Seoul
$1,624 Roundtrip, found 2 days ago
$1,624
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Mon, Mar 9 from Killeen to Seoul, returning Mon, Mar 16, priced at $1,624 found 2 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. Cheapest option available. Average driving time to city center is 47 minutes. Flights from $1,622
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from $1,622
Flights from Killeen (GRK) to Seoul (ICN)
Origin airport
Killeen-Fort Hood Regional
Destination airport
Incheon Intl.
Airlines serving
American Airlines
Roundtrip price
$845
Distance
6906 mi

Killeen to Seoul Flights

The cheapest times to fly from Killeen 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 Killeen to Seoul are during the month of February. You can find some of the cheapest flights from Killeen to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Killeen to Seoul

Sunday is one of the best days to book for cheap flights from Killeen 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 Killeen 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 Killeen to Seoul in 2026. You can also book with separate airlines for your outbound and return journeys, from $418 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 Killeen 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 Killeen 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 Killeen-Fort Hood Regional Airport (GRK) to Incheon Intl. Airport (ICN) cost?
Get a cheap one-way flight from $418 or cheap return flight from $846 from Killeen-Fort Hood Regional Airport (GRK) to Incheon Intl. Airport (ICN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Killeen-Fort Hood Regional Airport (GRK) to Incheon Intl. Airport (ICN)?
February is the most affordable month to fly from GRK to ICN. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from Killeen-Fort Hood Regional Airport (GRK) to Incheon Intl. Airport (ICN)?
To find the cheapest airline flying from GRK to ICN, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Killeen-Fort Hood Regional Airport (GRK) to Incheon Intl. Airport (ICN)?
There are no daily direct flights departing from Killeen-Fort Hood Regional Airport (GRK) to Incheon Intl. Airport (ICN). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from GRK to ICN?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Killeen-Fort Hood Regional Airport (GRK) to Incheon Intl. Airport (ICN)?
To avoid potential delays on the Killeen-Fort Hood Regional Airport (GRK) to Incheon Intl. Airport (ICN) route, 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.
Is it cheaper to buy a plane ticket from Killeen-Fort Hood Regional Airport (GRK) to Incheon Intl. Airport (ICN) last-minute?
Last-minute fares from GRK to ICN are usually more expensive. To secure the lowest prices, start looking for flights as early as possible. That being said, if you can play around with your travel dates, it's possible to land a cheap ticket right before you leave.
Is it cheaper to book a GRK to ICN flight and hotel package?
Compared with arranging hotels and flights separately, booking a GRK to ICN flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the stress out of travel planning. Simply pick your flights and select from our wide range of hotels, then personalize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Killeen-Fort Hood Regional Airport (GRK) to Incheon Intl. Airport (ICN)?
Generally, it's possible to cancel or reschedule your GRK to ICN flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.