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$559+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — PHL
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap 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 August 14, 2025.

Round-trip from

$583
(American Airlines)
From Killeen Fort Hood Regional to Philadelphia
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Find 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 August 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/13. 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 8/205:16 amGRK - PHL
1 stop5h 20mAmerican Airlines
Sat 8/235:00 amPHL - GRK
1 stop7h 41mAmerican Airlines
Deal found 8/13$559
This American Airlines deal was found by Cheapflights users on 8/13. 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 11/1810:46 amPHL - GRK
1 stop8h 40mAmerican Airlines
Deal found 8/13$583
This American Airlines deal was found by Cheapflights users on 8/14. 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 10/95:16 amGRK - PHL
1 stop6h 39mAmerican Airlines
Mon 10/135:00 amPHL - GRK
1 stop8h 04mAmerican Airlines
Deal found 8/14$679
This American Airlines deal was found by Cheapflights users on 8/12. 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 8/2210:32 amGRK - PHL
1 stop8h 06mAmerican Airlines
Thu 9/45:00 amPHL - GRK
1 stop7h 03mAmerican Airlines
Deal found 8/12$721

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 August 14, 2025.
Use the filters below to find and compare flights from Killeen to Philadelphia that are best for you.

Fly from

Killeen

Fly to

Philadelphia

Route

Depart

Return

Price

KilleenPhiladelphia

GRK - PHL

GRKPHL

Killeen Fort Hood Regional

Sat 11/15

5:05 am-5:49 pm

2 stops11h 44m

Philadelphia

Tue 11/18

4:03 pm-9:06 pm

1 stop6h 03m

$583

KilleenPhiladelphia

GRK - PHL

GRKPHL

Killeen Fort Hood Regional

Thu 10/9

5:16 am-12:55 pm

1 stop6h 39m

Philadelphia

Mon 10/13

5:00 am-12:04 pm

1 stop8h 04m

$679

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

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.

Cheapflights Insights

Everything you need to know about your flight from Killeen to Philadelphia

What is the cheapest month to book a flight from Killeen to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Killeen to Philadelphia (average of $236). Flying from Killeen to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated August 14, 2025.
Read reviews from past customers who have flown American Airlines from Killeen to Philadelphia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Boarding

7.5

Crew

8.0

Comfort

7.2

Food

6.5

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Boarding

7.5

Crew

8.0

Comfort

7.2

Food

6.5

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

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.

  • What is the cheapest airline to fly from Killeen to Philadelphia round-trip?

    According to our current data, American Airlines ($527), offers the cheapest pricing from Killeen to Philadelphia.

  • 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.

  • What is the cheapest month to book a flight from Killeen to Philadelphia?

    Currently, August is the cheapest month in which you can book a flight from Killeen to Philadelphia (average of $236). Flying from Killeen to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Killeen to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Killeen to Philadelphia

Discover the top airline that operate flights from Killeen to Philadelphia. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$527Average$772FlexibilityNo cancel feeOn-time71%

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