$469+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — PHL
Oct 8 — Oct 151
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
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Best
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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 8, 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 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 11/2110:00 am -
1 stop5h 24m
Fri 11/2710:50 am -
1 stop8h 25m
Deal found 9/5![American Airlines logo]()
$719
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/3![American Airlines logo]()
$759
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/115:00 am -
1 stop8h 03m
Sat 9/1210:44 am -
1 stop5h 50m
Deal found 9/3![American Airlines logo]()
$760
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 11/2110:00 am -
1 stop5h 24m
Sat 11/287:00 am -
1 stop8h 44m
Deal found 9/5![American Airlines logo]()
$767
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sun 11/227:00 am -
1 stop6h 50m
Fri 11/277:00 am -
1 stop8h 44m
Deal found 9/5![American Airlines logo]()
$769
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/3![American Airlines logo]()
$802
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/3![American Airlines logo]()
$809
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/212:47 pm -
1 stop6h 53m
Fri 10/93:07 pm -
1 stop6h 45m
Deal found 9/3![American Airlines logo]()
$810
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/115:00 am -
1 stop5h 52m
Sun 9/134:32 pm -
1 stop5h 31m
Deal found 9/3![American Airlines logo]()
$851
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 8, 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 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 11/257:00 am -
1 stop6h 50m
Sun 12/67:00 am -
1 stop8h 37m
Deal found 9/6![American Airlines logo]()
$719
This American Airlines deal was found by Cheapflights users on 9/7. 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 11/2110:00 am -
1 stop5h 24m
Fri 11/2710:50 am -
1 stop8h 25m
Deal found 9/7![American Airlines logo]()
$719
This American Airlines deal was found by Cheapflights users on 9/7. 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 9/7![American Airlines logo]()
$759
This American Airlines deal was found by Cheapflights users on 9/7. 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 11/2110:00 am -
1 stop5h 24m
Sat 11/287:00 am -
1 stop8h 44m
Deal found 9/7![American Airlines logo]()
$767
This American Airlines deal was found by Cheapflights users on 9/7. 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 11/227:00 am -
1 stop6h 50m
Fri 11/277:00 am -
1 stop8h 44m
Deal found 9/7![American Airlines logo]()
$769
This American Airlines deal was found by Cheapflights users on 9/7. 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 11/235:00 am -
1 stop5h 19m
Fri 11/2712:19 pm -
1 stop6h 56m
Deal found 9/7![American Airlines logo]()
$769
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 12/192:48 pm -
1 stop7h 07m
Sun 1/35:00 am -
1 stop7h 56m
Deal found 9/5![American Airlines logo]()
$802
Last-minute flights from Killeen to PhiladelphiaDiscover last-minute flight deals from Killeen to Philadelphia. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to Philadelphia. Data last updated September 8, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/115:00 am -
1 stop8h 03m
Sat 9/1210:44 am -
1 stop5h 50m
Deal found 9/3![American Airlines logo]()
$760
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/115:00 am -
1 stop5h 52m
Sun 9/134:32 pm -
1 stop5h 31m
Deal found 9/3![American Airlines logo]()
$851
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/117:00 am -
1 stop6h 03m
Fri 9/119:57 pm -
2 stops12h 21m
Deal found 9/3![American Airlines logo]()
$1,216
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/1710:04 am -
2 stops7h 48m
Sun 9/204:59 pm -
2 stops7h 34m
Deal found 9/3![American Airlines logo]()
$1,211
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/212:47 pm -
1 stop6h 53m
Fri 10/93:07 pm -
1 stop6h 45m
Deal found 9/3![American Airlines logo]()
$810
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 8, 2026.
Search for one-way flight options from Killeen to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/195:00 am -
1 stop8h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 9/3. 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 10/25:00 am -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$663
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 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $719 (American Airlines) |
One-way from | $469 (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 8, 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
Sat 9/19
5:00 am-2:03 pm
1 stop8h 03m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$469
Quickest round-trip
KilleenPhiladelphia
GRK Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Fri 10/2
5:00 am-1:00 pm
1 stop7h 00m
Philadelphia
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$663
KilleenPhiladelphia
GRK Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Wed 11/25
7:00 am-2:50 pm
1 stop6h 50m
Philadelphia
Sun 12/6
7:00 am-2:37 pm
1 stop8h 37m
$719
KilleenPhiladelphia
GRK Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Sat 11/21
10:00 am-4:24 pm
1 stop5h 24m
Philadelphia
Fri 11/27
10:50 am-6:15 pm
1 stop8h 25m
$719
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
Sat 11/21
10:00 am-4:24 pm
1 stop5h 24m
Philadelphia
Sat 11/28
7:00 am-2:44 pm
1 stop8h 44m
$767
KilleenPhiladelphia
GRK Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Sun 11/22
7:00 am-2:50 pm
1 stop6h 50m
Philadelphia
Fri 11/27
7:00 am-2:44 pm
1 stop8h 44m
$769
KilleenPhiladelphia
GRK Killeen Fort Hood Regional - PHL Philadelphia
GRKPHL
Killeen Fort Hood Regional
Mon 11/23
5:00 am-11:19 am
1 stop5h 19m
Philadelphia
Fri 11/27
12:19 pm-6:15 pm
1 stop6h 56m
$769
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
$802
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 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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