$595+ Cheap flights from Killeen (GRK) to Delaware
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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — ILG
Jul 18 — Jul 251
Round-trip
1 adult, Economy
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Find cheap flights from Killeen to Delaware with Cheapflights
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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
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Cheapest flights from Killeen to DelawareExplore the most affordable flight options available from Killeen to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2026.
Explore the most affordable flight options available from Killeen to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2026.
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 7/173:08 pm
GRK
- PHL
1 stop6h 09m
American Airlines
Fri 7/245:38 pm
PHL
- GRK
1 stop5h 49m
American Airlines
Deal found 6/16![American Airlines logo]()
$595
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 10/35:00 am
GRK
- PHL
1 stop7h 00m
American Airlines
Sat 10/105:00 am
PHL
- GRK
1 stop8h 18m
American Airlines
Deal found 6/18![American Airlines logo]()
$599
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Fri 7/35:00 am
GRK
- PHL
1 stop5h 31m
American Airlines
Tue 7/75:00 am
PHL
- GRK
1 stop5h 36m
American Airlines
Deal found 6/15![American Airlines logo]()
$610
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 8/45:00 am
GRK
- PHL
1 stop5h 52m
American Airlines
Wed 8/125:00 am
PHL
- GRK
1 stop8h 07m
American Airlines
Deal found 6/14![American Airlines logo]()
$659
This American Airlines deal was found by Cheapflights users on 6/15. 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 6/2912:44 pm
GRK
- PHL
1 stop7h 18m
American Airlines
Sat 7/45:00 am
PHL
- GRK
1 stop5h 36m
American Airlines
Deal found 6/15![American Airlines logo]()
$670
This American Airlines deal was found by Cheapflights users on 6/15. 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 6/2912:44 pm
GRK
- PHL
1 stop7h 18m
American Airlines
Fri 7/34:22 pm
PHL
- GRK
1 stop5h 29m
American Airlines
Deal found 6/15![American Airlines logo]()
$681
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 8/55:00 am
GRK
- PHL
2 stops10h 41m
American Airlines
Sat 8/85:00 am
PHL
- GRK
1 stop5h 29m
American Airlines
Deal found 6/14![American Airlines logo]()
$697
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Sat 7/185:00 am
GRK
- PHL
1 stop8h 00m
American Airlines
Wed 7/229:35 am
PHL
- GRK
2 stops10h 51m
American Airlines
Deal found 6/14![American Airlines logo]()
$708
This American Airlines deal was found by Cheapflights users on 6/15. 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 6/293:07 pm
GRK
- PHL
1 stop5h 53m
American Airlines
Tue 7/711:03 pm
PHL
- GRK
2 stops11h 33m
American Airlines
Deal found 6/15![American Airlines logo]()
$713
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 6/203:07 pm
GRK
- PHL
2 stops19h 27m
American Airlines
Sun 6/213:20 pm
PHL
- GRK
1 stop8h 24m
American Airlines
Deal found 6/18![American Airlines logo]()
$714
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 7/1712:42 pm
GRK
- PHL
1 stop7h 08m
American Airlines
Wed 7/229:35 am
PHL
- GRK
2 stops10h 51m
American Airlines
Deal found 6/14![American Airlines logo]()
$719
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Sat 7/187:53 pm
GRK
- PHL
2 stops11h 12m
American Airlines
Tue 7/214:22 pm
PHL
- GRK
1 stop7h 05m
American Airlines
Deal found 6/14![American Airlines logo]()
$737
Best flights from Killeen to DelawareDiscover carefully curated flight deals from Killeen to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2026.
Discover carefully curated flight deals from Killeen to Delaware that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2026.
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 9/114:09 pm
GRK
- PHL
1 stop6h 12m
American Airlines
Tue 9/158:24 am
PHL
- GRK
1 stop8h 10m
American Airlines
Deal found 6/14![American Airlines logo]()
$595
This American Airlines deal was found by Cheapflights users on 6/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/163:08 pm
GRK
- PHL
1 stop6h 09m
American Airlines
Sun 7/195:00 am
PHL
- GRK
1 stop8h 23m
American Airlines
Deal found 6/13![American Airlines logo]()
$595
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Wed 7/2912:54 pm
GRK
- PHL
1 stop8h 23m
American Airlines
Thu 8/1312:57 pm
PHL
- GRK
1 stop6h 55m
American Airlines
Deal found 6/16![American Airlines logo]()
$595
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 10/35:00 am
GRK
- PHL
1 stop7h 00m
American Airlines
Sat 10/105:00 am
PHL
- GRK
1 stop8h 18m
American Airlines
Deal found 6/18![American Airlines logo]()
$599
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Fri 7/35:00 am
GRK
- PHL
1 stop5h 31m
American Airlines
Tue 7/75:00 am
PHL
- GRK
1 stop5h 36m
American Airlines
Deal found 6/15![American Airlines logo]()
$610
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Sat 7/1810:06 am
GRK
- PHL
1 stop7h 46m
American Airlines
Tue 7/214:22 pm
PHL
- GRK
1 stop8h 17m
American Airlines
Deal found 6/14![American Airlines logo]()
$659
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Sun 8/23:08 pm
GRK
- PHL
1 stop6h 49m
American Airlines
Tue 8/114:28 pm
PHL
- GRK
1 stop5h 31m
American Airlines
Deal found 6/14![American Airlines logo]()
$670
This American Airlines deal was found by Cheapflights users on 6/15. 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 6/2912:44 pm
GRK
- PHL
1 stop7h 18m
American Airlines
Sat 7/411:02 am
PHL
- GRK
1 stop6h 52m
American Airlines
Deal found 6/15![American Airlines logo]()
$670
This American Airlines deal was found by Cheapflights users on 6/15. 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 6/2910:04 am
GRK
- PHL
1 stop5h 24m
American Airlines
Sun 7/55:00 am
PHL
- GRK
1 stop5h 36m
American Airlines
Deal found 6/15![American Airlines logo]()
$681
This American Airlines deal was found by Cheapflights users on 6/15. 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 6/2912:44 pm
GRK
- PHL
1 stop7h 18m
American Airlines
Fri 7/34:22 pm
PHL
- GRK
1 stop5h 29m
American Airlines
Deal found 6/15![American Airlines logo]()
$681
This American Airlines deal was found by Cheapflights users on 6/15. 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 6/293:07 pm
GRK
- PHL
1 stop5h 53m
American Airlines
Tue 7/711:03 pm
PHL
- GRK
2 stops11h 33m
American Airlines
Deal found 6/15![American Airlines logo]()
$713
Last-minute flights from Killeen to DelawareDiscover last-minute flight deals from Killeen to Delaware. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to Delaware. Data last updated June 18, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 6/203:07 pm
GRK
- PHL
2 stops19h 27m
American Airlines
Sun 6/213:20 pm
PHL
- GRK
1 stop8h 24m
American Airlines
Deal found 6/18![American Airlines logo]()
$714
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Sat 6/276:44 am
GRK
- PHL
2 stops7h 04m
American Airlines
Wed 7/85:00 am
PHL
- GRK
1 stop8h 23m
American Airlines
Deal found 6/16![American Airlines logo]()
$742
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Sun 6/2812:54 pm
GRK
- PHL
1 stop8h 06m
American Airlines
Tue 7/77:09 am
PHL
- GRK
1 stop6h 14m
American Airlines
Deal found 6/15![American Airlines logo]()
$750
This American Airlines deal was found by Cheapflights users on 6/15. 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 6/2912:44 pm
GRK
- PHL
1 stop7h 18m
American Airlines
Sat 7/45:00 am
PHL
- GRK
1 stop5h 36m
American Airlines
Deal found 6/15![American Airlines logo]()
$670
This American Airlines deal was found by Cheapflights users on 6/15. 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 6/2910:04 am
GRK
- PHL
1 stop7h 50m
American Airlines
Mon 7/67:09 am
PHL
- GRK
1 stop8h 29m
American Airlines
Deal found 6/15![American Airlines logo]()
$681
This American Airlines deal was found by Cheapflights users on 6/15. 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 6/293:07 pm
GRK
- PHL
1 stop5h 53m
American Airlines
Tue 7/711:03 pm
PHL
- GRK
2 stops11h 33m
American Airlines
Deal found 6/15![American Airlines logo]()
$713
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Fri 7/35:00 am
GRK
- PHL
1 stop5h 31m
American Airlines
Tue 7/75:00 am
PHL
- GRK
1 stop5h 36m
American Airlines
Deal found 6/15![American Airlines logo]()
$610
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Sat 7/410:06 am
GRK
- PHL
1 stop7h 46m
American Airlines
Wed 7/87:09 am
PHL
- GRK
1 stop6h 14m
American Airlines
Deal found 6/15![American Airlines logo]()
$659
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 7/173:08 pm
GRK
- PHL
1 stop6h 09m
American Airlines
Fri 7/245:38 pm
PHL
- GRK
1 stop5h 49m
American Airlines
Deal found 6/16![American Airlines logo]()
$595
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 7/1712:42 pm
GRK
- PHL
1 stop7h 08m
American Airlines
Wed 7/229:35 am
PHL
- GRK
2 stops10h 51m
American Airlines
Deal found 6/14![American Airlines logo]()
$719
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Sat 7/185:00 am
GRK
- PHL
1 stop8h 00m
American Airlines
Wed 7/229:35 am
PHL
- GRK
2 stops10h 51m
American Airlines
Deal found 6/14![American Airlines logo]()
$708
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Sat 7/187:53 pm
GRK
- PHL
2 stops11h 12m
American Airlines
Tue 7/214:22 pm
PHL
- GRK
1 stop7h 05m
American Airlines
Deal found 6/14![American Airlines logo]()
$737
Find flight deals from Killeen to Delaware
Keep the following information in mind while searching for Killeen to Delaware flight deals. Data was last updated June 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $595 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Killeen to Delaware 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 June 18, 2026.
Use the filters below to find and compare flights from Killeen to Delaware that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KilleenPhiladelphia
GRK - PHL
GRKPHL
Killeen Fort Hood Regional
Fri 9/11
4:09 pm-11:21 pm
1 stop6h 12m
Philadelphia
Tue 9/15
8:24 am-3:34 pm
1 stop8h 10m
$595
KilleenPhiladelphia
GRK - PHL
GRKPHL
Killeen Fort Hood Regional
Thu 7/16
3:08 pm-10:17 pm
1 stop6h 09m
Philadelphia
Sun 7/19
5:00 am-12:23 pm
1 stop8h 23m
$595
KilleenPhiladelphia
GRK - PHL
GRKPHL
Killeen Fort Hood Regional
Wed 7/29
12:54 pm-10:17 pm
1 stop8h 23m
Philadelphia
Thu 8/13
12:57 pm-6:52 pm
1 stop6h 55m
$595
KilleenPhiladelphia
GRK - PHL
GRKPHL
Killeen Fort Hood Regional
Sat 10/3
5:00 am-1:00 pm
1 stop7h 00m
Philadelphia
Sat 10/10
5:00 am-12:18 pm
1 stop8h 18m
$599
KilleenPhiladelphia
GRK - PHL
GRKPHL
Killeen Fort Hood Regional
Fri 7/3
5:00 am-11:31 am
1 stop5h 31m
Philadelphia
Tue 7/7
5:00 am-9:36 am
1 stop5h 36m
$610
KilleenPhiladelphia
GRK - PHL
GRKPHL
Killeen Fort Hood Regional
Sat 7/18
10:06 am-6:52 pm
1 stop7h 46m
Philadelphia
Tue 7/21
4:22 pm-11:39 pm
1 stop8h 17m
$659
KilleenPhiladelphia
GRK - PHL
GRKPHL
Killeen Fort Hood Regional
Sun 8/2
3:08 pm-10:57 pm
1 stop6h 49m
Philadelphia
Tue 8/11
4:28 pm-8:59 pm
1 stop5h 31m
$670
KilleenPhiladelphia
GRK - PHL
GRKPHL
Killeen Fort Hood Regional
Mon 6/29
12:44 pm-9:02 pm
1 stop7h 18m
Philadelphia
Sat 7/4
11:02 am-4:54 pm
1 stop6h 52m
$670
Quickest round-trip
KilleenPhiladelphia
GRK - PHL
GRKPHL
Killeen Fort Hood Regional
Mon 6/29
10:04 am-4:28 pm
1 stop5h 24m
Philadelphia
Sun 7/5
5:00 am-9:36 am
1 stop5h 36m
$681
KilleenPhiladelphia
GRK - PHL
GRKPHL
Killeen Fort Hood Regional
Mon 6/29
12:44 pm-9:02 pm
1 stop7h 18m
Philadelphia
Fri 7/3
4:22 pm-8:51 pm
1 stop5h 29m
$681
Showing 1-10 of 11 resultsSorted by cheapest first
Best time to book a flight from Killeen to Delaware
Have a flexible travel schedule? Discover the best time to fly to Delaware from Killeen with our price prediction graph.
GRK-PHL
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 Delaware
GRK-USDE
GRK-PHL
No data available for this route at this time. Please check back soon.
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