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$777+ Cheap flights from Killeen (GRK) to Seoul (SEL)

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SEL
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
1 adult, Economy
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Cheap flight deals from Killeen to Seoul

Cheapest flights from Killeen to Seoul
Explore the most affordable flight options available from Killeen to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2026.

This American Airlines deal was found by Cheapflights users on 2/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:45 pm
GRK
-
ICN
1 stop33h 00m
American Airlines
Wed 9/305:50 pm
ICN
-
GRK
1 stop29h 22m
American Airlines
Deal found 2/17$928
This American Airlines deal was found by Cheapflights users on 2/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:00 am
GRK
-
ICN
1 stop18h 55m
American Airlines
Tue 3/245:55 pm
ICN
-
GRK
1 stop29h 50m
American Airlines
Deal found 2/17$1,023
This Ovago deal was found by Cheapflights users on 2/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:44 pm
GRK
-
ICN
1 stop37h 01m
Japan Airlines
Wed 9/305:50 pm
ICN
-
GRK
1 stop19h 29m
Japan Airlines
Deal found 2/18$1,106
This KAYAK deal was found by Cheapflights users on 2/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/317:00 am
GRK
-
ICN
1 stop18h 45m
Japan Airlines
Thu 4/305:50 pm
ICN
-
GRK
1 stop18h 02m
Japan Airlines
Deal found 2/20$1,398
This Gurufare deal was found by Cheapflights users on 2/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:52 pm
GRK
-
ICN
2 stops30h 13m
Qatar Airways
Tue 9/291:20 am
ICN
-
GRK
2 stops32h 19m
Qatar Airways
Deal found 2/18$1,496
This oojo deal was found by Cheapflights users on 2/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3112:01 pm
GRK
-
ICN
2 stops39h 04m
Qatar Airways
Wed 4/2912:15 am
ICN
-
GRK
2 stops35h 37m
Qatar Airways
Deal found 2/20$1,554
This Qatar Airways deal was found by Cheapflights users on 2/18. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/53:54 pm
GRK
-
ICN
2 stops36h 11m
Qatar Airways
Fri 5/155:30 pm
ICN
-
GRK
2 stops33h 08m
Qatar Airways
Deal found 2/18$1,694
This Qatar Airways deal was found by Cheapflights users on 2/18. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:09 pm
GRK
-
ICN
2 stops32h 56m
Qatar Airways
Wed 5/1312:15 am
ICN
-
GRK
2 stops56h 24m
Qatar Airways
Deal found 2/18$1,696
This KAYAK deal was found by Cheapflights users on 2/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:21 pm
GRK
-
ICN
1 stop30h 24m
Japan Airlines
Sat 6/205:50 pm
ICN
-
GRK
1 stop18h 54m
Japan Airlines
Deal found 2/18$1,779
This oojo deal was found by Cheapflights users on 2/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:33 pm
GRK
-
ICN
2 stops32h 42m
Qatar Airways
Mon 3/2312:20 am
ICN
-
GRK
2 stops36h 03m
Qatar Airways
Deal found 2/17$1,803
This Qatar Airways deal was found by Cheapflights users on 2/20. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:33 pm
GRK
-
ICN
2 stops32h 32m
Multiple Airlines
Thu 4/301:40 pm
ICN
-
GRK
3 stops42h 59m
Multiple Airlines
Deal found 2/20$1,832

Find flight deals from Killeen to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to Seoul (SEL). 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 February 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,023
(American Airlines)

One-way from

$777
(American Airlines)
Provider with most accurate pricing for Killeen Fort Hood Regional-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Seoul (SEL) flights.
Search Deals
From Killeen Fort Hood Regional to Seoul (SEL)
Search Deals
One-way flight from Killeen Fort Hood Regional to Seoul (SEL)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen to Seoul 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 February 20, 2026.
Use the filters below to find and compare flights from Killeen to Seoul that are best for you.

Fly from

Killeen

Fly to

Seoul

Route

Depart

Return

Price

KilleenIncheon

GRK - ICN

GRKICN

Killeen Fort Hood Regional

Tue 3/31

7:00 am-3:45 pm

1 stop18h 45m

Incheon Intl

Thu 4/30

5:50 pm-9:52 pm

1 stop18h 02m

$1,398

KilleenIncheon

GRK - ICN

GRKICN

Killeen Fort Hood Regional

Tue 3/31

12:01 pm-5:05 pm

2 stops39h 04m

Incheon Intl

Wed 4/29

12:15 am-9:52 pm

2 stops35h 37m

$1,554

KilleenIncheon

GRK - ICN

GRKICN

Killeen Fort Hood Regional

Tue 5/5

3:54 pm-6:05 pm

2 stops36h 11m

Incheon Intl

Fri 5/15

5:30 pm-12:38 pm

2 stops33h 08m

$1,694

KilleenIncheon

GRK - ICN

GRKICN

Killeen Fort Hood Regional

Tue 5/5

7:09 pm-6:05 pm

2 stops32h 56m

Incheon Intl

Wed 5/13

12:15 am-6:39 pm

2 stops56h 24m

$1,696

KilleenIncheon

GRK - ICN

GRKICN

Killeen Fort Hood Regional

Tue 3/17

6:33 pm-5:15 pm

2 stops32h 42m

Incheon Intl

Mon 3/23

12:20 am-10:23 pm

2 stops36h 03m

$1,803

KilleenIncheon

GRK - ICN

GRKICN

Killeen Fort Hood Regional

Tue 3/31

6:33 pm-5:05 pm

2 stops32h 32m

Incheon Intl

Thu 4/30

1:40 pm-6:39 pm

3 stops42h 59m

$1,832

KilleenIncheon

GRK - ICN

GRKICN

Killeen Fort Hood Regional

Tue 3/17

12:01 pm-5:15 pm

2 stops39h 14m

Incheon Intl

Tue 3/24

3:00 pm-10:03 pm

3 stops45h 03m

$2,003

KilleenIncheon

GRK - ICN

GRKICN

Killeen Fort Hood Regional

Fri 7/31

7:24 pm-5:05 pm

2 stops55h 41m

Incheon Intl

Sat 8/8

1:20 am-11:22 pm

2 stops36h 02m

$2,332

KilleenIncheon

GRK - ICN

GRKICN

Killeen Fort Hood Regional

Mon 6/1

7:21 pm-6:05 pm

2 stops32h 44m

Incheon Intl

Fri 6/19

1:20 am-7:22 pm

2 stops32h 02m

$2,373

KilleenIncheon

GRK - ICN

GRKICN

Killeen Fort Hood Regional

Fri 7/31

7:24 pm-5:05 pm

2 stops55h 41m

Incheon Intl

Sun 8/9

11:00 am-4:01 pm

3 stops43h 01m

$2,495

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 16 results
1
2

Compare providers for flights from Killeen to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Killeen to Seoul in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Killeen-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Killeen-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Killeen-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Killeen-Seoul 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 Killeen-Seoul 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 Killeen to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Killeen 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 Killeen to Seoul

What is the cheapest month to book a flight from Killeen to Seoul?

Currently, May is the cheapest month in which you can book a flight from Killeen to Seoul (average of $493). Flying from Killeen to Seoul in June is currently the most expensive (average of $1,055). 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.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated February 20, 2026.
Read reviews from past customers who have flown American Airlines from Killeen to Seoul. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,321 reviews

Boarding

7.5

Overall

7.2

Crew

8.0

Comfort

7.2

Entertainment

6.9

Food

6.4

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
American Airlines
7.2
Good
11,321 reviews
American Airlines
7.2
Good
11,321 reviews

Boarding

7.5

Overall

7.2

Crew

8.0

Comfort

7.2

Entertainment

6.9

Food

6.4

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

Related info for your journey

Find useful and relevant information for your journey from Killeen to Seoul. 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 from for flights from Killeen to Seoul?

    For a flight from Killeen to Seoul, you will be flying from Fort Hood Regional. Killeen Fort Hood Regional (GRK) is just 6.9 mi from the center of the city. Fort Hood Regional is the only Killeen airport and it handles 0 outbound flights to Seoul per day. 1 airline has flights to Seoul from Killeen Fort Hood Regional on a regular basis.

  • How long is the flight from Killeen to Seoul?

    For as low as $1,398, Japan Airlines can have you in Seoul from Killeen in 18h 45m. The distance between Killeen and Seoul is about 6902 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Killeen to Seoul that include hotel bookings?

    Yes. In addition to deals on Killeen to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Killeen to Seoul?

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

  • Can I find deals for business class flights from Killeen to Seoul?

    Yes. Cheapflights offers flight deals from Killeen to Seoul 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 Killeen to Seoul?

    Currently, May is the cheapest month in which you can book a flight from Killeen to Seoul (average of $493). Flying from Killeen to Seoul in June is currently the most expensive (average of $1,055). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Killeen to Seoul

Discover the top airline that operate flights from Killeen to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,006Average$1,321FlexibilityNo cancel feeOn-time71%

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