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$535+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — ILG
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from Killeen to Delaware

Keep the following information in mind while searching for Killeen to Delaware flight deals. Data was last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$535
(American Airlines)
Provider with most accurate pricing for Killeen Fort Hood Regional-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Philadelphia flights.
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From Killeen Fort Hood Regional to Delaware
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Find flight deals from Killeen to Delaware

Cheapest flights from Killeen to Delaware
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 November 6, 2025.

This American Airlines deal was found by Cheapflights users on 11/6. 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 12/711:52 amGRK - PHL
1 stop5h 03mAmerican Airlines
Mon 12/1511:45 amPHL - GRK
1 stop7h 39mAmerican Airlines
Deal found 11/6$535
This American Airlines deal was found by Cheapflights users on 11/4. 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 11/155:05 amGRK - PHL
2 stops11h 44mAmerican Airlines
Tue 11/189:30 pmPHL - GRK
2 stops14h 52mAmerican Airlines
Deal found 11/4$564
This American Airlines deal was found by Cheapflights users on 11/5. 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 11/216:05 amGRK - PHL
1 stop7h 33mAmerican Airlines
Tue 11/255:07 pmPHL - GRK
1 stop7h 36mAmerican Airlines
Deal found 11/5$610
This American Airlines deal was found by Cheapflights users on 11/5. 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 11/135:05 amGRK - PHL
1 stop6h 41mAmerican Airlines
Sat 11/158:30 amPHL - GRK
1 stop8h 10mAmerican Airlines
Deal found 11/5$720

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 November 6, 2025.
Use the filters below to find and compare flights from Killeen to Delaware that are best for you.

Fly from

Killeen

Fly to

Delaware

Route

Depart

Return

Price

KilleenPhiladelphia

GRK - PHL

GRKPHL

Killeen Fort Hood Regional

Sun 12/7

11:52 am-5:55 pm

1 stop5h 03m

Philadelphia

Mon 12/15

11:45 am-6:24 pm

1 stop7h 39m

$535

KilleenPhiladelphia

GRK - PHL

GRKPHL

Killeen Fort Hood Regional

Fri 11/21

6:05 am-2:38 pm

1 stop7h 33m

Philadelphia

Tue 11/25

5:07 pm-11:43 pm

1 stop7h 36m

$610

KilleenPhiladelphia

GRK - PHL

GRKPHL

Killeen Fort Hood Regional

Tue 12/23

11:57 am-7:33 pm

1 stop6h 36m

Philadelphia

Mon 12/29

5:05 pm-10:29 pm

1 stop6h 24m

$745

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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.
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
No data available for this route at this time. Please check back soon.

Related info for your journey

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

    Killeen Fort Hood Regional (GRK) is the airport you will fly out of if you book a flight from Killeen to Delaware. It is only a 6.9 mi journey to Fort Hood Regional (GRK) from Killeen’s city center.

  • How long is the flight from Killeen to Delaware?

    A quick flight from Killeen to Delaware can take about 5h 03m. American Airlines provides one of the quickest options available for as low as $535. The distance between Killeen and Delaware is about 1403 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Killeen to Delaware by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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