$438+ Cheap flights from Killeen to Philadelphia (GRK - PHL)
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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — PHL
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from Killeen to Philadelphia 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 Philadelphia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Killeen to PhiladelphiaExplore 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 September 13, 2026.
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 September 13, 2026.
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/10![American Airlines logo]()
$759
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 9/255:00 am -
1 stop5h 52m
Sat 10/33:12 pm -
1 stop6h 51m
Deal found 9/9![American Airlines logo]()
$760
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/165:00 am -
1 stop5h 48m
Mon 10/194:28 pm -
1 stop8h 08m
Deal found 9/9![American Airlines logo]()
$769
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/1510:00 am -
1 stop7h 50m
Thu 10/225:39 pm -
1 stop6h 57m
Deal found 9/11![American Airlines logo]()
$789
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/10![American Airlines logo]()
$809
Best flights from Killeen to PhiladelphiaDiscover carefully curated flight deals from Killeen to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from Killeen to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/10![American Airlines logo]()
$759
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 9/255:00 am -
1 stop5h 52m
Sat 10/33:12 pm -
1 stop6h 51m
Deal found 9/9![American Airlines logo]()
$760
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/1510:00 am -
1 stop7h 50m
Thu 10/225:39 pm -
1 stop6h 57m
Deal found 9/11![American Airlines logo]()
$789
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 12/115:00 am -
1 stop5h 34m
Sun 1/37:00 am -
1 stop8h 18m
Deal found 9/9![American Airlines logo]()
$809
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 11/610:00 am -
1 stop6h 55m
Mon 11/91:53 pm -
2 stops8h 16m
Deal found 9/9![American Airlines logo]()
$910
Last-minute flights from Killeen to PhiladelphiaDiscover last-minute flight deals from Killeen to Philadelphia. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to Philadelphia. Data last updated September 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 9/255:00 am -
1 stop5h 52m
Sat 10/33:12 pm -
1 stop6h 51m
Deal found 9/9![American Airlines logo]()
$760
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/1510:00 am -
1 stop7h 50m
Thu 10/225:39 pm -
1 stop6h 57m
Deal found 9/11![American Airlines logo]()
$789
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/165:00 am -
1 stop5h 48m
Mon 10/194:28 pm -
1 stop8h 08m
Deal found 9/9![American Airlines logo]()
$769
One-way flights from Killeen to PhiladelphiaSearch for one-way flight options from Killeen to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from Killeen to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 12/85:00 am -
2 stops12h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$438
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sat 9/195:00 am -
2 stops13h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![American Airlines logo]()
$567
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 9/207:15 pm -
2 stops13h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![American Airlines logo]()
$607
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 12/95:00 am -
2 stops8h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$626
This American Airlines deal was found by Cheapflights users on 9/12. 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 9/1812:47 pm -
1 stop6h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![American Airlines logo]()
$673
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 September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $759 (American Airlines) |
One-way from | $438 (American Airlines) |
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 7,457,451 searches. Data last updated September 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
Cheapest round-trip
KilleenPhiladelphia
GRK Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Tue 12/8
5:00 am-6:36 pm
2 stops12h 36m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$438
KilleenPhiladelphia
GRK Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Tue 9/22
5:00 am-6:20 pm
2 stops12h 20m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$567
KilleenPhiladelphia
GRK Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Wed 12/9
3:07 pm-11:14 pm
1 stop7h 07m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$583
Quickest round-trip
KilleenPhiladelphia
GRK Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Sat 9/19
10:04 am-4:43 pm
1 stop5h 39m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$593
KilleenPhiladelphia
GRK Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Sun 9/20
7:15 pm-9:47 am
2 stops13h 32m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$607
KilleenPhiladelphia
GRK Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Fri 9/18
12:47 pm-8:40 pm
1 stop6h 53m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$673
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
$759
KilleenPhiladelphia
GRK Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Fri 9/25
5:00 am-11:52 am
1 stop5h 52m
Philadelphia
Sat 10/3
3:12 pm-9:03 pm
1 stop6h 51m
$760
KilleenPhiladelphia
GRK Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Thu 10/15
10:00 am-6:50 pm
1 stop7h 50m
Philadelphia
Thu 10/22
5:39 pm-11:36 pm
1 stop6h 57m
$789
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
$809
Showing 1-10 of 11 resultsSorted 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
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.
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.
Traveling to a place near Philadelphia?
Book flights to Philadelphia if you plan to visit one of these locationsWildwood
Reading
King of Prussia
Camden
Wildwood Crest
Cherry Hill
Ocean City
Lewes
Plymouth Meeting
Wyomissing
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Vineland
Millville
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