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Cheap flights from Philadelphia to Killeen from $581

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Killeen departing on 12/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Philadelphia to Killeen

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:00 am - 11:27 am
PHL
-
GRK
7h 27m1 stop
American Airlines Logo
3:58 pm - 7:30 am
GRK
-
PHL
14h 32m2 stops
$581American Airlines
Tue, Dec 30 - Fri, Jan 2
American Airlines Logo
5:00 am - 12:01 pm
PHL
-
GRK
8h 01m1 stop
American Airlines Logo
5:00 pm - 11:26 pm
GRK
-
PHL
5h 26m1 stop
$615American Airlines
Fri, Jan 16 - Mon, Jan 19
American Airlines Logo
12:23 pm - 10:43 pm
PHL
-
GRK
11h 20m2 stops
American Airlines Logo
9:48 am - 4:36 pm
GRK
-
PHL
5h 48m1 stop
$620American Airlines
Fri, Jan 16 - Sun, Jan 18
American Airlines Logo
5:05 pm - 10:29 pm
PHL
-
GRK
6h 24m1 stop
American Airlines Logo
3:58 pm - 7:30 am
GRK
-
PHL
14h 32m2 stops
$622American Airlines
Mon, Dec 29 - Fri, Jan 2
American Airlines Logo
12:23 pm - 10:43 pm
PHL
-
GRK
11h 20m2 stops
American Airlines Logo
5:21 am - 2:50 pm
GRK
-
PHL
8h 29m2 stops
$625American Airlines
Fri, Jan 16 - Mon, Jan 19
American Airlines Logo
12:23 pm - 10:43 pm
PHL
-
GRK
11h 20m2 stops
American Airlines Logo
5:00 pm - 8:59 am
GRK
-
PHL
14h 59m2 stops
$627American Airlines
Fri, Jan 16 - Sun, Jan 18
American Airlines Logo
8:34 am - 3:27 pm
PHL
-
GRK
7h 53m2 stops
American Airlines Logo
3:58 pm - 7:30 am
GRK
-
PHL
14h 32m2 stops
$649American Airlines
Mon, Dec 29 - Fri, Jan 2
American Airlines Logo
11:04 am - 3:27 pm
PHL
-
GRK
5h 23m1 stop
American Airlines Logo
3:58 pm - 7:30 am
GRK
-
PHL
14h 32m2 stops
$665American Airlines
Sun, Dec 28 - Fri, Jan 2
American Airlines Logo
5:00 am - 11:27 am
PHL
-
GRK
7h 27m1 stop
American Airlines Logo
11:57 am - 8:55 pm
GRK
-
PHL
7h 58m1 stop
$683American Airlines
Tue, Dec 30 - Fri, Jan 2
American Airlines Logo
5:00 am - 11:27 am
PHL
-
GRK
7h 27m1 stop
American Airlines Logo
6:32 pm - 3:14 am
GRK
-
PHL
7h 42m2 stops
$688American Airlines
Tue, Dec 30 - Sun, Jan 4

American Airlines flights from Philadelphia to Killeen

Our best American Airlines deals on Philadelphia to Killeen flight tickets
American Airlines
Dec 30
PHL5:00 amPhiladelphia
7h 27m
1 stop
GRK11:27 amKilleen Fort Hood Regional
Jan 2
GRK3:58 pmKilleen Fort Hood Regional
14h 32m
2 stops
PHL7:30 amPhiladelphia
$581
Find similar
American Airlines
Jan 16
PHL5:00 amPhiladelphia
8h 01m
1 stop
GRK12:01 pmKilleen Fort Hood Regional
Jan 19
GRK5:00 pmKilleen Fort Hood Regional
5h 26m
1 stop
PHL11:26 pmPhiladelphia
$615
Find similar
American Airlines
Jan 16
PHL12:23 pmPhiladelphia
11h 20m
2 stops
GRK10:43 pmKilleen Fort Hood Regional
Jan 18
GRK9:48 amKilleen Fort Hood Regional
5h 48m
1 stop
PHL4:36 pmPhiladelphia
$620
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
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

Price

PhiladelphiaKilleen

PHL - GRK

PHLGRK

Philadelphia

Tue 12/30

5:00 am-11:27 am

1 stop7h 27m

Killeen Fort Hood Regional

Fri 1/2

3:58 pm-7:30 am

2 stops14h 32m

$581

PhiladelphiaKilleen

PHL - GRK

PHLGRK

Philadelphia

Fri 1/16

5:00 am-12:01 pm

1 stop8h 01m

Killeen Fort Hood Regional

Mon 1/19

5:00 pm-11:26 pm

1 stop5h 26m

$615

PhiladelphiaKilleen

PHL - GRK

PHLGRK

Philadelphia

Fri 1/16

12:23 pm-10:43 pm

2 stops11h 20m

Killeen Fort Hood Regional

Sun 1/18

9:48 am-4:36 pm

1 stop5h 48m

$620

PhiladelphiaKilleen

PHL - GRK

PHLGRK

Philadelphia

Mon 12/29

5:05 pm-10:29 pm

1 stop6h 24m

Killeen Fort Hood Regional

Fri 1/2

3:58 pm-7:30 am

2 stops14h 32m

$622

PhiladelphiaKilleen

PHL - GRK

PHLGRK

Philadelphia

Fri 1/16

12:23 pm-10:43 pm

2 stops11h 20m

Killeen Fort Hood Regional

Mon 1/19

5:21 am-2:50 pm

2 stops8h 29m

$625

PhiladelphiaKilleen

PHL - GRK

PHLGRK

Philadelphia

Fri 1/16

12:23 pm-10:43 pm

2 stops11h 20m

Killeen Fort Hood Regional

Sun 1/18

5:00 pm-8:59 am

2 stops14h 59m

$627

PhiladelphiaKilleen

PHL - GRK

PHLGRK

Philadelphia

Mon 12/29

8:34 am-3:27 pm

2 stops7h 53m

Killeen Fort Hood Regional

Fri 1/2

3:58 pm-7:30 am

2 stops14h 32m

$649

PhiladelphiaKilleen

PHL - GRK

PHLGRK

Philadelphia

Sun 12/28

11:04 am-3:27 pm

1 stop5h 23m

Killeen Fort Hood Regional

Fri 1/2

3:58 pm-7:30 am

2 stops14h 32m

$665

PhiladelphiaKilleen

PHL - GRK

PHLGRK

Philadelphia

Tue 12/30

5:00 am-11:27 am

1 stop7h 27m

Killeen Fort Hood Regional

Fri 1/2

11:57 am-8:55 pm

1 stop7h 58m

$683

PhiladelphiaKilleen

PHL - GRK

PHLGRK

Philadelphia

Tue 12/30

5:00 am-11:27 am

1 stop7h 27m

Killeen Fort Hood Regional

Sun 1/4

6:32 pm-3:14 am

2 stops7h 42m

$688

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Killeen from

How to get the cheapest flight ticket from Philadelphia to Killeen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Killeen?

On average, the least expensive day to fly to Killeen from Philadelphia is on a Saturday. momondo users have found tickets for Saturday departures for as low as $500. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Killeen is Thursday, with ticket prices averaging around $660.

What is the cheapest time of day to depart on your flight to Killeen?

According to our data, the cheapest time of day to fly to Killeen is in the morning. momondo users have found flights departing from Philadelphia to Killeen in the morning for as low as $589. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Killeen are more costly in the afternoon, with an average ticket price of $653. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Philadelphia to Killeen

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Killeen according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Killeen (PHL to GRK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Killeen

Fastest flight time

6h 07m

Direct flights

None
The fastest flight from Philadelphia to Killeen takes 6h 07m
There are no direct flights from Philadelphia to Killeen. There are no popular flight routes from Philadelphia to Killeen.
Search flight deals

  • How far is Philadelphia to Killeen Fort Hood Regional by plane?

    Philadelphia and Killeen Fort Hood Regional are 1402.1 mi apart from one another. A reasonable flight in good conditions will take 6h 07m.

  • When did momondo last update prices for flights from Philadelphia Airport to Killeen Fort Hood Regional Airport?

    Prices for flights from Philadelphia Airport to Killeen Fort Hood Regional Airport are updated daily.

  • How many operators does momondo search for flights from Philadelphia Airport to Killeen Fort Hood Regional Airport?

  • How old do you have to be to fly from Philadelphia Airport to Killeen Fort Hood Regional Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Killeen Fort Hood Regional Airport.

  • What documentation or ID do you need to fly to Killeen Fort Hood Regional Airport?

    The travel and health documents you'll need for your trip to Killeen Fort Hood Regional Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Killeen Fort Hood Regional Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Philadelphia to Killeen?

Best airlines flying from Philadelphia to Killeen

Compare and see reviews for airlines that fly from Philadelphia to Killeen with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $560Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights

Traveling to a place near Killeen?

Book flights to Killeen if you plan to visit one of these locations
Temple
Salado
Copperas Cove
Fort Hood

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Killeen?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Killeen from Philadelphia.

Can I find flights from Philadelphia to Killeen with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Philadelphia to Killeen flights to just show those with flexible booking policies.

How can momondo help me find flights from Philadelphia to Killeen?

momondo helps you find the best flight between Philadelphia and Killeen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Philadelphia to Killeen right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Philadelphia to Killeen now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Killeen and let you know when they change.

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