$689+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — ILG
Oct 19 — Oct 261
Round-trip
1 adult, Economy
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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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Best
Last-minute
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 September 19, 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 September 19, 2026.
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/1012:28 pm -
1 stop5h 22m
Sat 10/175:00 am -
1 stop5h 23m
Deal found 9/17![American Airlines logo]()
$689
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 12/125:00 am -
1 stop6h 53m
Sun 1/35:00 am -
1 stop7h 56m
Deal found 9/17![American Airlines logo]()
$779
This American Airlines deal was found by Cheapflights users on 9/16. 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 9/194:09 pm -
1 stop7h 13m
Mon 9/215:00 am -
1 stop8h 17m
Deal found 9/16![American Airlines logo]()
$780
This American Airlines deal was found by Cheapflights users on 9/16. 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 12/192:48 pm -
1 stop7h 07m
Sun 1/35:00 am -
1 stop7h 56m
Deal found 9/16![American Airlines logo]()
$822
This American Airlines deal was found by Cheapflights users on 9/16. 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 12/115:00 am -
1 stop5h 34m
Sun 1/37:00 am -
1 stop8h 18m
Deal found 9/16![American Airlines logo]()
$829
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 September 19, 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 September 19, 2026.
This American Airlines deal was found by Cheapflights users on 9/18. 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 12/125:00 am -
1 stop6h 53m
Sun 1/35:00 am -
1 stop7h 56m
Deal found 9/18![American Airlines logo]()
$779
This American Airlines deal was found by Cheapflights users on 9/16. 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 12/192:48 pm -
1 stop7h 07m
Sun 1/35:00 am -
1 stop7h 56m
Deal found 9/16![American Airlines logo]()
$822
This American Airlines deal was found by Cheapflights users on 9/18. 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.
Fri 12/115:00 am -
1 stop5h 34m
Sun 1/37:00 am -
1 stop8h 18m
Deal found 9/18![American Airlines logo]()
$829
Last-minute flights from Killeen to DelawareDiscover last-minute flight deals from Killeen to Delaware. Data last updated September 19, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to Delaware. Data last updated September 19, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/16. 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 9/194:09 pm -
1 stop7h 13m
Mon 9/215:00 am -
1 stop8h 17m
Deal found 9/16![American Airlines logo]()
$780
This American Airlines deal was found by Cheapflights users on 9/14. 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 9/205:00 am -
1 stop7h 00m
Wed 9/238:24 am -
1 stop8h 10m
Deal found 9/14![American Airlines logo]()
$1,265
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/1012:28 pm -
1 stop5h 22m
Sat 10/175:00 am -
1 stop5h 23m
Deal found 9/17![American Airlines logo]()
$689
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/183:16 pm -
1 stop6h 36m
Wed 10/215:34 pm -
2 stops7h 02m
Deal found 9/14![American Airlines logo]()
$1,376
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 September 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $689 (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 7,457,451 searches. Data last updated September 19, 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 Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Sat 12/12
5:00 am-12:53 pm
1 stop6h 53m
Philadelphia
Sun 1/3
5:00 am-11:56 am
1 stop7h 56m
$779
KilleenPhiladelphia
GRK Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Sat 12/19
2:48 pm-10:55 pm
1 stop7h 07m
Philadelphia
Sun 1/3
5:00 am-11:56 am
1 stop7h 56m
$822
Quickest round-trip
KilleenPhiladelphia
GRK Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Fri 12/11
5:00 am-11:34 am
1 stop5h 34m
Philadelphia
Sun 1/3
7:00 am-2:18 pm
1 stop8h 18m
$829
Sorted 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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