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$504+ Cheap flights from Killeen to Philadelphia (GRK - PHL)

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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — PHL
Jun 12 — Jun 191
Fri 6/12
Fri 6/19
1 adult, Economy
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Cheap flight deals from Killeen to Philadelphia

Cheapest flights from Killeen to Philadelphia
Explore the most affordable flight options available from Killeen to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2026.

This American Airlines deal was found by Cheapflights users on 5/12. 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 6/1912:44 pm
GRK
-
PHL
1 stop8h 16m
American Airlines
Mon 6/225:30 pm
PHL
-
GRK
1 stop6h 14m
American Airlines
Deal found 5/12$595
This American Airlines deal was found by Cheapflights users on 5/12. 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 5/137:13 am
GRK
-
PHL
1 stop5h 27m
American Airlines
Wed 5/204:20 pm
PHL
-
GRK
1 stop8h 26m
American Airlines
Deal found 5/12$659
This American Airlines deal was found by Cheapflights users on 5/9. 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 5/235:00 am
GRK
-
PHL
1 stop5h 51m
American Airlines
Mon 5/2512:51 pm
PHL
-
GRK
1 stop7h 00m
American Airlines
Deal found 5/9$670
This American Airlines deal was found by Cheapflights users on 5/8. 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 5/223:07 pm
GRK
-
PHL
1 stop6h 46m
American Airlines
Mon 5/258:20 am
PHL
-
GRK
1 stop7h 17m
American Airlines
Deal found 5/8$681
This American Airlines deal was found by Cheapflights users on 5/9. 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 5/2110:04 am
GRK
-
PHL
1 stop5h 24m
American Airlines
Sat 5/308:20 am
PHL
-
GRK
1 stop7h 17m
American Airlines
Deal found 5/9$750

Find flight deals from Killeen to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to Philadelphia (PHL). 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 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$595
(American Airlines)

One-way from

$504
(American Airlines)
Provider with most accurate pricing for Killeen Fort Hood Regional-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Philadelphia flights.
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From Killeen Fort Hood Regional to Philadelphia
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One-way flight from Killeen Fort Hood Regional to Philadelphia
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen to Philadelphia 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 13, 2026.
Use the filters below to find and compare flights from Killeen to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KilleenPhiladelphia

GRK - PHL

GRKPHL

Killeen Fort Hood Regional

Fri 6/19

12:44 pm-10:00 pm

1 stop8h 16m

Philadelphia

Mon 6/22

5:30 pm-10:44 pm

1 stop6h 14m

$595

KilleenPhiladelphia

GRK - PHL

GRKPHL

Killeen Fort Hood Regional

Fri 6/12

12:44 pm-10:00 pm

1 stop8h 16m

Philadelphia

Mon 6/15

5:00 am-12:13 pm

1 stop8h 13m

$595

KilleenPhiladelphia

GRK - PHL

GRKPHL

Killeen Fort Hood Regional

Sat 6/13

5:00 am-1:01 pm

1 stop7h 01m

Philadelphia

Mon 6/15

4:56 pm-11:38 pm

2 stops7h 42m

$600
Quickest round-trip

KilleenPhiladelphia

GRK - PHL

GRKPHL

Killeen Fort Hood Regional

Sat 5/23

5:00 am-11:51 am

1 stop5h 51m

Philadelphia

Mon 5/25

12:51 pm-6:51 pm

1 stop7h 00m

$670
Cheapest one-way

KilleenPhiladelphia

GRK - PHL

GRKPHL

Killeen Fort Hood Regional

Tue 5/26

7:21 pm-8:02 am

2 stops11h 41m

$504

KilleenPhiladelphia

GRK - PHL

GRKPHL

Killeen Fort Hood Regional

Sun 5/24

7:21 pm-8:02 am

2 stops11h 41m

$524
Quickest one-way

KilleenPhiladelphia

GRK - PHL

GRKPHL

Killeen Fort Hood Regional

Fri 5/22

6:44 am-1:01 pm

1 stop5h 17m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Sorted by cheapest first

Compare providers for flights from Killeen to Philadelphia

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 Philadelphia in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 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-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Killeen-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Killeen-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Killeen-Philadelphia 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-Philadelphia 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 Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia 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.

Related info for your journey

Find useful and relevant information for your journey from Killeen to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Killeen to Philadelphia?

    For as low as $595, American Airlines can have you in Philadelphia from Killeen in 8h 16m. Airlines will cover a distance of 1403 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Killeen to Philadelphia 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

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Reading
Camden
Ocean City
Lewes
Dewey Beach
Pottstown
Vineland
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester
Newark

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