$435 Cheap Flights from Harrisburg (MDT) to Killeen (GRK)

View $435 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Harrisburg Intl. Airport (MDT) to Killeen, TX (GRK-Killeen-Fort Hood Regional)

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Cheap Flights from Harrisburg to Killeen (MDT-GRK)

Prices were available within the past 7 days and start at $435 for one-way flights and $497 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Nov 13 - Sat, Nov 15
MDT
Harrisburg
GRK
Killeen
$497 Roundtrip, found 12 hours ago
$497
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, Nov 13 from Harrisburg to Killeen, returning Sat, Nov 15, priced at $497 found 12 hours ago
American Airlines
Thu, Nov 13 - Wed, Nov 19
MDT
Harrisburg
GRK
Killeen
$502 Roundtrip, found 12 hours ago
$502
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, Nov 13 from Harrisburg to Killeen, returning Wed, Nov 19, priced at $502 found 12 hours ago
American Airlines
Fri, Nov 14 - Wed, Nov 19
MDT
Harrisburg
GRK
Killeen
$507 Roundtrip, found 12 hours ago
$507
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Fri, Nov 14 from Harrisburg to Killeen, returning Wed, Nov 19, priced at $507 found 12 hours ago
American Airlines
Thu, Nov 20 - Fri, Nov 28
MDT
Harrisburg
GRK
Killeen
$528 Roundtrip, found 1 day ago
$528
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Nov 20 from Harrisburg to Killeen, returning Fri, Nov 28, priced at $528 found 1 day ago
American Airlines
Sun, Dec 14 - Wed, Dec 24
MDT
Harrisburg
GRK
Killeen
$533 Roundtrip, found 1 day ago
$533
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Dec 14 from Harrisburg to Killeen, returning Wed, Dec 24, priced at $533 found 1 day ago
American Airlines
Sat, Jan 31 - Thu, Feb 12
MDT
Harrisburg
GRK
Killeen
$538 Roundtrip, found 1 day ago
$538
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Jan 31 from Harrisburg to Killeen, returning Thu, Feb 12, priced at $538 found 1 day ago
American Airlines
Sat, Nov 8 - Wed, Nov 12
MDT
Harrisburg
GRK
Killeen
$540 Roundtrip, found 2 days ago
$540
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Nov 8 from Harrisburg to Killeen, returning Wed, Nov 12, priced at $540 found 2 days ago
American Airlines
Sun, Dec 14 - Tue, Dec 23
MDT
Harrisburg
GRK
Killeen
$555 Roundtrip, found 1 day ago
$555
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Dec 14 from Harrisburg to Killeen, returning Tue, Dec 23, priced at $555 found 1 day ago
American Airlines
Thu, Dec 11 - Sun, Dec 28
MDT
Harrisburg
GRK
Killeen
$559 Roundtrip, found 1 day ago
$559
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Dec 11 from Harrisburg to Killeen, returning Sun, Dec 28, priced at $559 found 1 day ago
American Airlines
Thu, Nov 20 - Tue, Dec 2
MDT
Harrisburg
GRK
Killeen
$560 Roundtrip, found 1 day ago
$560
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Nov 20 from Harrisburg to Killeen, returning Tue, Dec 2, priced at $560 found 1 day ago

Alternative airports near Killeen

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Killeen-Fort Hood Regional GRK. Cheapest option available. Average driving time to city center is 13 minutes. Flights from $497
GRK
Killeen-Fort Hood Regional
Cheapest
Average driving time to city center13 min
Flights from $497

Frequently asked questions

How much does a flight from Harrisburg Intl. Airport (MDT) to Killeen-Fort Hood Regional Airport (GRK) cost?
Lock in a cheap one-way flight from $435 or cheap return flight from $497 from Harrisburg Intl. Airport (MDT) to Killeen-Fort Hood Regional Airport (GRK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Harrisburg Intl. Airport (MDT) to Killeen-Fort Hood Regional Airport (GRK)?
Planning your getaway for November can help you save, as it's the cheapest month for flights between MDT and GRK. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Harrisburg Intl. Airport (MDT) to Killeen-Fort Hood Regional Airport (GRK)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from MDT to GRK. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Harrisburg Intl. Airport (MDT) to Killeen-Fort Hood Regional Airport (GRK)?
There aren't any daily direct flights from Harrisburg Intl. Airport (MDT) to Killeen-Fort Hood Regional Airport (GRK). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from MDT to GRK?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Harrisburg Intl. Airport (MDT) to Killeen-Fort Hood Regional Airport (GRK)?
To avoid possible delays on the Harrisburg Intl. Airport (MDT) to Killeen-Fort Hood Regional Airport (GRK) route, fly before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Harrisburg Intl. Airport (MDT) to Killeen-Fort Hood Regional Airport (GRK) last-minute?
Booking your flight from MDT to GRK right before your trip is typically more expensive. However, if you're flexible with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a MDT to GRK flight and hotel package?
Opting for a MDT to GRK flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our impressive range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Harrisburg Intl. Airport (MDT) to Killeen-Fort Hood Regional Airport (GRK)?
Typically, it's possible to cancel or reschedule your MDT to GRK flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Harrisburg Intl.
Destination airport
Killeen-Fort Hood Regional
Airlines serving
American Airlines
Roundtrip price
$496
Distance
1335 mi

Book with confidence

Harrisburg to Killeen Flights

The cheapest times to fly from Harrisburg to Killeen

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Harrisburg to Killeen are during the month of November. You can find some of the cheapest flights from Harrisburg to Killeen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Harrisburg to Killeen

Sunday is one of the best days to book for cheap flights from Harrisburg to Killeen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Harrisburg to Killeen

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Harrisburg to Killeen in 2025. You can also book with separate airlines for your outbound and return journeys, from $435 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Harrisburg to Killeen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Harrisburg to Killeen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Harrisburg to Killeen Flights

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*Available to One Key members.