$1,221+ Cheap flights from Killeen (GRK) to Seoul (SEL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SEL
Jun 17 — Jun 241
Round-trip
1 adult, Economy
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Find cheap flights from Killeen to Seoul with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Killeen to Seoul
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Best
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Cheapest flights from Killeen to SeoulExplore 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 May 18, 2026.
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 May 18, 2026.
This BusinessClass deal was found by Cheapflights users on 5/18. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:54 pm
GRK
- ICN
2 stops33h 46m
Cathay Pacific
Tue 8/258:00 am
ICN
- GRK
2 stops26h 56m
Cathay Pacific
Deal found 5/18![Cathay Pacific logo]()
$1,221
This BusinessClass deal was found by Cheapflights users on 5/15. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:22 pm
GRK
- ICN
2 stops27h 18m
Cathay Pacific
Wed 10/141:55 am
ICN
- GRK
2 stops33h 14m
Cathay Pacific
Deal found 5/15![Cathay Pacific logo]()
$1,285
This American Airlines deal was found by Cheapflights users on 5/14. 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.
Mon 10/125:00 am
GRK
- ICN
1 stop20h 45m
American Airlines
Wed 11/186:35 pm
ICN
- GRK
1 stop29h 41m
American Airlines
Deal found 5/14![American Airlines logo]()
$1,311
This American Airlines deal was found by Cheapflights users on 5/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:30 am
GRK
- ICN
1 stop19h 15m
American Airlines
Tue 8/255:50 pm
ICN
- GRK
1 stop17h 06m
American Airlines
Deal found 5/18![American Airlines logo]()
$1,318
This Qatar Airways deal was found by Cheapflights users on 5/13. 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.
Sun 11/86:49 pm
GRK
- ICN
2 stops31h 26m
Qatar Airways
Wed 11/1112:20 am
ICN
- GRK
2 stops32h 58m
Qatar Airways
Deal found 5/13![Qatar Airways logo]()
$1,544
This American Airlines deal was found by Cheapflights users on 5/15. 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.
Mon 7/65:00 am
GRK
- ICN
1 stop20h 45m
American Airlines
Tue 8/255:50 pm
ICN
- GRK
1 stop17h 06m
American Airlines
Deal found 5/15![American Airlines logo]()
$1,565
This Qatar Airways deal was found by Cheapflights users on 5/14. 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.
Mon 10/1210:04 am
GRK
- ICN
2 stops41h 01m
Multiple Airlines
Tue 11/1712:20 am
ICN
- GRK
2 stops32h 58m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$1,616
This BusinessClass deal was found by Cheapflights users on 5/15. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/610:06 am
GRK
- ICN
2 stops36h 34m
Cathay Pacific
Mon 8/241:55 am
ICN
- GRK
2 stops33h 01m
Cathay Pacific
Deal found 5/15![Cathay Pacific logo]()
$1,624
This Qatar Airways deal was found by Cheapflights users on 5/17. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:09 pm
GRK
- ICN
2 stops35h 56m
Qatar Airways
Wed 8/261:20 am
ICN
- GRK
2 stops31h 32m
Qatar Airways
Deal found 5/17![Qatar Airways logo]()
$1,764
This Qatar Airways deal was found by Cheapflights users on 5/18. 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 8/412:54 pm
GRK
- ICN
2 stops38h 11m
Multiple Airlines
Tue 8/258:05 pm
ICN
- GRK
3 stops36h 47m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$2,055
This BusinessClass deal was found by Cheapflights users on 5/13. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1012:54 pm
GRK
- ICN
2 stops33h 46m
Cathay Pacific
Tue 6/161:55 am
ICN
- GRK
2 stops34h 49m
Cathay Pacific
Deal found 5/13![Cathay Pacific logo]()
$2,126
Best flights from Killeen to SeoulDiscover carefully curated flight deals from Killeen to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
Discover carefully curated flight deals from Killeen to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 18, 2026.
This American Airlines deal was found by Cheapflights users on 5/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:30 am
GRK
- ICN
1 stop19h 15m
American Airlines
Tue 8/255:50 pm
ICN
- GRK
1 stop17h 06m
American Airlines
Deal found 5/18![American Airlines logo]()
$1,318
This Qatar Airways deal was found by Cheapflights users on 5/13. 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.
Sun 11/86:49 pm
GRK
- ICN
2 stops31h 26m
Qatar Airways
Wed 11/1112:20 am
ICN
- GRK
2 stops32h 58m
Qatar Airways
Deal found 5/13![Qatar Airways logo]()
$1,544
This BusinessClass deal was found by Cheapflights users on 5/15. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/610:06 am
GRK
- ICN
2 stops36h 34m
Cathay Pacific
Mon 8/241:55 am
ICN
- GRK
2 stops33h 01m
Cathay Pacific
Deal found 5/15![Cathay Pacific logo]()
$1,624
This Qatar Airways deal was found by Cheapflights users on 5/14. 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.
Mon 10/1212:35 pm
GRK
- ICN
2 stops38h 30m
Multiple Airlines
Wed 11/1810:00 am
ICN
- GRK
3 stops44h 40m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$1,776
This Ovago deal was found by Cheapflights users on 5/13. 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.
Wed 6/106:44 am
GRK
- ICN
1 stop19h 01m
Japan Airlines
Wed 6/175:50 pm
ICN
- GRK
1 stop29h 44m
Japan Airlines
Deal found 5/13![Japan Airlines logo]()
$2,211
This Qatar Airways deal was found by Cheapflights users on 5/17. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:09 pm
GRK
- ICN
2 stops35h 56m
Qatar Airways
Wed 8/261:20 am
ICN
- GRK
2 stops31h 32m
Qatar Airways
Deal found 5/17![Qatar Airways logo]()
$1,764
This Qatar Airways deal was found by Cheapflights users on 5/18. 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 8/412:54 pm
GRK
- ICN
2 stops38h 11m
Multiple Airlines
Tue 8/258:05 pm
ICN
- GRK
3 stops36h 47m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$2,055
This Qatar Airways deal was found by Cheapflights users on 5/15. 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.
Mon 7/610:06 am
GRK
- ICN
2 stops40h 59m
Multiple Airlines
Tue 8/253:10 pm
ICN
- GRK
3 stops41h 42m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$2,793
This Qatar Airways deal was found by Cheapflights users on 5/13. 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.
Wed 6/107:52 pm
GRK
- ICN
2 stops31h 38m
Multiple Airlines
Wed 6/1711:00 am
ICN
- GRK
3 stops39h 24m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$2,890
Last-minute flights from Killeen to SeoulDiscover last-minute flight deals from Killeen to Seoul. Data last updated May 18, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to Seoul. Data last updated May 18, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/14. 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.
Mon 6/17:21 pm
GRK
- ICN
1 stop30h 24m
American Airlines
Wed 7/15:50 pm
ICN
- GRK
1 stop15h 32m
American Airlines
Deal found 5/14![American Airlines logo]()
$3,134
This Qatar Airways deal was found by Cheapflights users on 5/14. 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.
Mon 6/110:04 am
GRK
- ICN
2 stops41h 26m
Multiple Airlines
Tue 6/301:20 am
ICN
- GRK
2 stops32h 02m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$3,274
This BusinessClass deal was found by Cheapflights users on 5/13. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1012:54 pm
GRK
- ICN
2 stops33h 46m
Cathay Pacific
Tue 6/161:55 am
ICN
- GRK
2 stops34h 49m
Cathay Pacific
Deal found 5/13![Cathay Pacific logo]()
$2,126
This Ovago deal was found by Cheapflights users on 5/13. 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.
Wed 6/106:44 am
GRK
- ICN
1 stop19h 01m
Japan Airlines
Wed 6/175:50 pm
ICN
- GRK
1 stop29h 44m
Japan Airlines
Deal found 5/13![Japan Airlines logo]()
$2,211
This Qatar Airways deal was found by Cheapflights users on 5/13. 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.
Wed 6/107:52 pm
GRK
- ICN
2 stops31h 38m
Multiple Airlines
Wed 6/1711:00 am
ICN
- GRK
3 stops39h 24m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$2,890
This BusinessClass deal was found by Cheapflights users on 5/18. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:21 pm
GRK
- ICN
2 stops33h 44m
Cathay Pacific
Mon 6/293:10 pm
ICN
- GRK
2 stops46h 28m
Cathay Pacific
Deal found 5/18![Cathay Pacific logo]()
$2,232
This Ovago deal was found by Cheapflights users on 5/18. 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.
Mon 6/157:21 pm
GRK
- ICN
1 stop30h 24m
Japan Airlines
Mon 6/295:50 pm
ICN
- GRK
1 stop29h 44m
Japan Airlines
Deal found 5/18![Japan Airlines logo]()
$2,271
This Qatar Airways deal was found by Cheapflights users on 5/18. 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.
Mon 6/157:21 pm
GRK
- ICN
2 stops31h 44m
Multiple Airlines
Mon 6/291:40 pm
ICN
- GRK
3 stops36h 44m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$2,979
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 May 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,221 (BusinessClass) |
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 May 18, 2026.
Use the filters below to find and compare flights from Killeen to Seoul that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
KilleenIncheon
GRK - ICN
GRKICN
Killeen Fort Hood Regional
Tue 8/4
6:30 am-3:45 pm
1 stop19h 15m
Incheon Intl
Tue 8/25
5:50 pm-8:56 pm
1 stop17h 06m
$1,318
KilleenIncheon
GRK - ICN
GRKICN
Killeen Fort Hood Regional
Sun 11/8
6:49 pm-5:15 pm
2 stops31h 26m
Incheon Intl
Wed 11/11
12:20 am-6:18 pm
2 stops32h 58m
$1,544
KilleenIncheon
GRK - ICN
GRKICN
Killeen Fort Hood Regional
Mon 7/6
10:06 am-12:40 pm
2 stops36h 34m
Incheon Intl
Mon 8/24
1:55 am-8:56 pm
2 stops33h 01m
$1,624
KilleenIncheon
GRK - ICN
GRKICN
Killeen Fort Hood Regional
Sun 8/23
3:09 pm-5:05 pm
2 stops35h 56m
Incheon Intl
Wed 8/26
1:20 am-6:52 pm
2 stops31h 32m
$1,764
KilleenIncheon
GRK - ICN
GRKICN
Killeen Fort Hood Regional
Mon 10/12
12:35 pm-5:05 pm
2 stops38h 30m
Incheon Intl
Wed 11/18
10:00 am-3:40 pm
3 stops44h 40m
$1,776
KilleenIncheon
GRK - ICN
GRKICN
Killeen Fort Hood Regional
Tue 8/4
12:54 pm-5:05 pm
2 stops38h 11m
Incheon Intl
Tue 8/25
8:05 pm-6:52 pm
3 stops36h 47m
$2,055
KilleenIncheon
GRK - ICN
GRKICN
Killeen Fort Hood Regional
Wed 6/10
6:44 am-3:45 pm
1 stop19h 01m
Incheon Intl
Wed 6/17
5:50 pm-9:34 am
1 stop29h 44m
$2,211
KilleenIncheon
GRK - ICN
GRKICN
Killeen Fort Hood Regional
Mon 7/6
10:06 am-5:05 pm
2 stops40h 59m
Incheon Intl
Tue 8/25
3:10 pm-6:52 pm
3 stops41h 42m
$2,793
KilleenIncheon
GRK - ICN
GRKICN
Killeen Fort Hood Regional
Wed 6/10
7:52 pm-5:30 pm
2 stops31h 38m
Incheon Intl
Wed 6/17
11:00 am-12:24 pm
3 stops39h 24m
$2,890
Sorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
GRK-SEL
GRK-ICN
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
GRK-SEL
GRK-ICN
No data available for this route at this time. Please check back soon.
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 May 18, 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.
Entertainment
6.9
Food
6.4
Comfort
7.2
Overall
7.1
Crew
7.9
Boarding
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Entertainment
6.9
Food
6.4
Comfort
7.2
Overall
7.1
Crew
7.9
Boarding
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
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.
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Alternative routes for Killeen to Seoul
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Complete your trip
Complete your trip to Seoul by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Killeen to Seoul by cabin class
Find flights from Killeen to Seoul, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Killeen and Seoul flights
Browse other Killeen and Seoul flight options. Last updated on May 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seoul
Explore flights to Seoul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 18, 2026.
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 May 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,006 | Average$1,321 | FlexibilityNo cancel fee | On-time71% |