$421+ Cheap flights from Philadelphia to Killeen (PHL - GRK)
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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — GRK
May 30 — Jun 61
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia to Killeen 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
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Cheapest flights from Philadelphia to KilleenExplore the most affordable flight options available from Philadelphia to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.
Explore the most affordable flight options available from Philadelphia to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.
This American Airlines deal was found by Cheapflights users on 4/29. 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 6/34:22 pm
PHL
- GRK
1 stop8h 16m
American Airlines
Wed 6/1012:54 pm
GRK
- PHL
1 stop7h 08m
American Airlines
Deal found 4/29![American Airlines logo]()
$595
This American Airlines deal was found by Cheapflights users on 4/26. 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 5/215:00 am
PHL
- GRK
1 stop5h 34m
American Airlines
Tue 5/263:07 pm
GRK
- PHL
1 stop6h 46m
American Airlines
Deal found 4/26![American Airlines logo]()
$608
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/23:21 pm
PHL
- GRK
1 stop7h 31m
American Airlines
Wed 5/67:13 am
GRK
- PHL
1 stop8h 17m
American Airlines
Deal found 4/30![American Airlines logo]()
$659
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/211:50 am
PHL
- GRK
2 stops11h 02m
American Airlines
Tue 5/1211:58 am
GRK
- PHL
1 stop7h 36m
American Airlines
Deal found 4/30![American Airlines logo]()
$664
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/23:38 pm
PHL
- GRK
2 stops9h 08m
American Airlines
Tue 5/55:00 am
GRK
- PHL
2 stops9h 00m
American Airlines
Deal found 4/30![American Airlines logo]()
$669
This American Airlines deal was found by Cheapflights users on 4/27. 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 7/183:00 pm
PHL
- GRK
1 stop5h 23m
American Airlines
Wed 7/226:30 am
GRK
- PHL
2 stops7h 08m
American Airlines
Deal found 4/27![American Airlines logo]()
$707
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/25:00 am
PHL
- GRK
1 stop5h 35m
American Airlines
Sun 5/33:54 pm
GRK
- PHL
1 stop7h 17m
American Airlines
Deal found 4/30![American Airlines logo]()
$740
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/26:32 pm
PHL
- GRK
1 stop6h 14m
American Airlines
Mon 5/410:05 am
GRK
- PHL
2 stops7h 31m
American Airlines
Deal found 4/30![American Airlines logo]()
$745
This American Airlines deal was found by Cheapflights users on 4/30. 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 4/301:47 pm
PHL
- GRK
2 stops10h 59m
American Airlines
Sat 5/25:00 am
GRK
- PHL
2 stops10h 50m
American Airlines
Deal found 4/30![American Airlines logo]()
$750
This American Airlines deal was found by Cheapflights users on 4/30. 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 4/304:20 pm
PHL
- GRK
1 stop6h 32m
American Airlines
Mon 5/1111:58 am
GRK
- PHL
1 stop5h 50m
American Airlines
Deal found 4/30![American Airlines logo]()
$821
Best flights from Philadelphia to KilleenDiscover carefully curated flight deals from Philadelphia to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
Discover carefully curated flight deals from Philadelphia to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
This American Airlines deal was found by Cheapflights users on 4/25. 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 6/33:20 pm
PHL
- GRK
1 stop8h 24m
American Airlines
Wed 6/1010:04 am
GRK
- PHL
1 stop5h 24m
American Airlines
Deal found 4/25![American Airlines logo]()
$595
This American Airlines deal was found by Cheapflights users on 4/26. 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 5/215:00 am
PHL
- GRK
1 stop5h 34m
American Airlines
Tue 5/263:07 pm
GRK
- PHL
1 stop6h 46m
American Airlines
Deal found 4/26![American Airlines logo]()
$608
This American Airlines deal was found by Cheapflights users on 4/27. 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 7/183:00 pm
PHL
- GRK
1 stop5h 23m
American Airlines
Wed 7/226:30 am
GRK
- PHL
2 stops7h 08m
American Airlines
Deal found 4/27![American Airlines logo]()
$707
This American Airlines deal was found by Cheapflights users on 4/28. 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 6/85:30 pm
PHL
- GRK
1 stop6h 14m
American Airlines
Fri 6/125:00 am
GRK
- PHL
1 stop7h 01m
American Airlines
Deal found 4/28![American Airlines logo]()
$1,315
This American Airlines deal was found by Cheapflights users on 4/28. 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 6/87:08 am
PHL
- GRK
1 stop6h 05m
American Airlines
Thu 6/1112:54 pm
GRK
- PHL
1 stop7h 08m
American Airlines
Deal found 4/28![American Airlines logo]()
$1,315
Last-minute flights from Philadelphia to KilleenDiscover last-minute flight deals from Philadelphia to Killeen. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to Killeen. Data last updated April 30, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/30. 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 4/301:47 pm
PHL
- GRK
2 stops10h 59m
American Airlines
Sat 5/25:00 am
GRK
- PHL
2 stops10h 50m
American Airlines
Deal found 4/30![American Airlines logo]()
$750
This American Airlines deal was found by Cheapflights users on 4/30. 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 4/304:20 pm
PHL
- GRK
1 stop6h 32m
American Airlines
Mon 5/1111:58 am
GRK
- PHL
1 stop5h 50m
American Airlines
Deal found 4/30![American Airlines logo]()
$821
This American Airlines deal was found by Cheapflights users on 4/29. 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 4/308:20 am
PHL
- GRK
2 stops8h 04m
American Airlines
Sun 5/33:54 pm
GRK
- PHL
1 stop7h 17m
American Airlines
Deal found 4/29![American Airlines logo]()
$848
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/23:21 pm
PHL
- GRK
1 stop7h 31m
American Airlines
Wed 5/67:13 am
GRK
- PHL
1 stop8h 17m
American Airlines
Deal found 4/30![American Airlines logo]()
$659
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/211:50 am
PHL
- GRK
2 stops11h 02m
American Airlines
Tue 5/1211:58 am
GRK
- PHL
1 stop7h 36m
American Airlines
Deal found 4/30![American Airlines logo]()
$664
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/23:38 pm
PHL
- GRK
2 stops9h 08m
American Airlines
Tue 5/55:00 am
GRK
- PHL
2 stops9h 00m
American Airlines
Deal found 4/30![American Airlines logo]()
$669
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/25:00 am
PHL
- GRK
1 stop5h 35m
American Airlines
Sun 5/33:54 pm
GRK
- PHL
1 stop7h 17m
American Airlines
Deal found 4/30![American Airlines logo]()
$740
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/23:25 pm
PHL
- GRK
2 stops9h 21m
American Airlines
Fri 5/810:05 am
GRK
- PHL
1 stop5h 25m
American Airlines
Deal found 4/30![American Airlines logo]()
$745
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/38:20 am
PHL
- GRK
2 stops8h 04m
American Airlines
Sun 5/105:00 am
GRK
- PHL
1 stop7h 40m
American Airlines
Deal found 4/28![American Airlines logo]()
$826
This American Airlines deal was found by Cheapflights users on 4/26. 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 5/215:00 am
PHL
- GRK
1 stop5h 34m
American Airlines
Tue 5/263:07 pm
GRK
- PHL
1 stop6h 46m
American Airlines
Deal found 4/26![American Airlines logo]()
$608
One-way flights from Philadelphia to KilleenSearch for one-way flight options from Philadelphia to Killeen. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
Search for one-way flight options from Philadelphia to Killeen. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/910:40 am
PHL
- GRK
2 stops14h 06m
American Airlines
Deal found 4/28![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/810:09 pm
PHL
- GRK
2 stops12h 26m
American Airlines
Deal found 4/28![American Airlines logo]()
$451
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/710:09 pm
PHL
- GRK
2 stops14h 12m
American Airlines
Deal found 4/28![American Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/131:47 pm
PHL
- GRK
2 stops10h 59m
American Airlines
Deal found 4/28![American Airlines logo]()
$583
Find flight deals from Philadelphia to Killeen
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Killeen (GRK). 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 April 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $595 (American Airlines) |
One-way from | $421 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Killeen 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 April 30, 2026.
Use the filters below to find and compare flights from Philadelphia to Killeen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaKilleen
PHL - GRK
PHLGRK
Philadelphia
Wed 6/3
3:20 pm-10:44 pm
1 stop8h 24m
Killeen Fort Hood Regional
Wed 6/10
10:04 am-4:28 pm
1 stop5h 24m
$595
Quickest round-trip
PhiladelphiaKilleen
PHL - GRK
PHLGRK
Philadelphia
Thu 5/21
5:00 am-9:34 am
1 stop5h 34m
Killeen Fort Hood Regional
Tue 5/26
3:07 pm-10:53 pm
1 stop6h 46m
$608
PhiladelphiaKilleen
PHL - GRK
PHLGRK
Philadelphia
Sat 7/18
3:00 pm-7:23 pm
1 stop5h 23m
Killeen Fort Hood Regional
Wed 7/22
6:30 am-2:38 pm
2 stops7h 08m
$707
PhiladelphiaKilleen
PHL - GRK
PHLGRK
Philadelphia
Mon 6/8
5:30 pm-10:44 pm
1 stop6h 14m
Killeen Fort Hood Regional
Fri 6/12
5:00 am-1:01 pm
1 stop7h 01m
$1,315
PhiladelphiaKilleen
PHL - GRK
PHLGRK
Philadelphia
Mon 6/8
7:08 am-12:13 pm
1 stop6h 05m
Killeen Fort Hood Regional
Thu 6/11
12:54 pm-9:02 pm
1 stop7h 08m
$1,315
Cheapest one-way
PhiladelphiaKilleen
PHL - GRK
PHLGRK
Philadelphia
Sat 5/9
10:40 am-11:46 pm
2 stops14h 06m
$421
PhiladelphiaKilleen
PHL - GRK
PHLGRK
Philadelphia
Fri 5/8
10:09 pm-9:35 am
2 stops12h 26m
$451
PhiladelphiaKilleen
PHL - GRK
PHLGRK
Philadelphia
Fri 5/15
10:09 pm-9:35 am
2 stops12h 26m
$451
PhiladelphiaKilleen
PHL - GRK
PHLGRK
Philadelphia
Thu 5/7
4:20 pm-11:46 pm
1 stop8h 26m
$658
Quickest one-way
PhiladelphiaKilleen
PHL - GRK
PHLGRK
Philadelphia
Thu 5/14
6:32 pm-11:46 pm
1 stop6h 14m
$658
Sorted by cheapest first
Compare providers for flights from Philadelphia to Killeen
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 Philadelphia to Killeen in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Philadelphia-Killeen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Killeen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Killeen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-Killeen 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 Philadelphia-Killeen 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 Philadelphia to Killeen
Have a flexible travel schedule? Discover the best time to fly to Killeen from Philadelphia with our price prediction graph.
PHL-GRK
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.
Reviews of airlines servicing Killeen
Get insights into the airlines that provide service to Killeen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Killeen. Reviews last updated April 30, 2026.
See what other customers who have flown with American Airlines from Philadelphia to Killeen have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.4
Overall
7.1
Comfort
7.2
Crew
7.9
Entertainment
6.9
Boarding
7.5
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Food
6.4
Overall
7.1
Comfort
7.2
Crew
7.9
Entertainment
6.9
Boarding
7.5
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Killeen. 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 Killeen?
Book flights to Killeen if you plan to visit one of these locationsTemple
Copperas Cove
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Philadelphia and Killeen flights
Browse other Philadelphia and Killeen flight options. Last updated on April 30, 2026.
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Top airline flying from Philadelphia to Killeen
Discover the top airline that operate flights from Philadelphia to Killeen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$555 | Average$678 | FlexibilityNo cancel fee | On-time71% |