$558+ Cheap flights from Harrisburg to Killeen (MDT - GRK)
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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — GRK
Jun 1 — Jun 81
Round-trip
1 adult, Economy
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Find cheap flights from Harrisburg 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
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 Harrisburg to Killeen
Cheapest
Best
Last-minute
Cheapest flights from Harrisburg to KilleenExplore the most affordable flight options available from Harrisburg to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 2, 2026.
Explore the most affordable flight options available from Harrisburg to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 2, 2026.
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.
Wed 5/203:01 pm
MDT
- GRK
2 stops9h 45m
American Airlines
Sat 5/233:07 pm
GRK
- MDT
1 stop6h 35m
American Airlines
Deal found 4/30![American Airlines logo]()
$558
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 7/27:00 am
MDT
- GRK
1 stop6h 23m
American Airlines
Mon 7/63:06 pm
GRK
- MDT
1 stop6h 53m
American Airlines
Deal found 4/30![American Airlines logo]()
$573
Best flights from Harrisburg to KilleenDiscover carefully curated flight deals from Harrisburg to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 2, 2026.
Discover carefully curated flight deals from Harrisburg to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 2, 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 5/203:37 pm
MDT
- GRK
2 stops9h 09m
American Airlines
Sat 5/233:07 pm
GRK
- MDT
1 stop6h 35m
American Airlines
Deal found 4/29![American Airlines logo]()
$558
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 7/27:00 am
MDT
- GRK
1 stop6h 23m
American Airlines
Mon 7/63:06 pm
GRK
- MDT
1 stop6h 53m
American Airlines
Deal found 4/30![American Airlines logo]()
$573
Last-minute flights from Harrisburg to KilleenDiscover last-minute flight deals from Harrisburg to Killeen. Data last updated May 2, 2026 and is based on user searches.
Discover last-minute flight deals from Harrisburg to Killeen. Data last updated May 2, 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.
Wed 5/203:01 pm
MDT
- GRK
2 stops9h 45m
American Airlines
Sat 5/233:07 pm
GRK
- MDT
1 stop6h 35m
American Airlines
Deal found 4/30![American Airlines logo]()
$558
Find flight deals from Harrisburg to Killeen
Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) 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 May 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $558 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Harrisburg 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 May 2, 2026.
Use the filters below to find and compare flights from Harrisburg to Killeen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HarrisburgKilleen
MDT - GRK
MDTGRK
Harrisburg
Wed 5/20
3:37 pm-11:46 pm
2 stops9h 09m
Killeen Fort Hood Regional
Sat 5/23
3:07 pm-10:42 pm
1 stop6h 35m
$558
Quickest round-trip
HarrisburgKilleen
MDT - GRK
MDTGRK
Harrisburg
Thu 7/2
7:00 am-12:23 pm
1 stop6h 23m
Killeen Fort Hood Regional
Mon 7/6
3:06 pm-10:59 pm
1 stop6h 53m
$573
Sorted by cheapest first
Compare providers for flights from Harrisburg 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 Harrisburg to Killeen in May.
| 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 Harrisburg-Killeen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harrisburg-Killeen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harrisburg-Killeen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Harrisburg-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 Harrisburg-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 Harrisburg to Killeen
Have a flexible travel schedule? Discover the best time to fly to Killeen from Harrisburg with our price prediction graph.
MDT-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 May 2, 2026.
Peruse reviews from past customers who have flown with American Airlines from Harrisburg to Killeen to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.5
Entertainment
6.9
Overall
7.1
Crew
7.9
Comfort
7.2
Food
6.4
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Boarding
7.5
Entertainment
6.9
Overall
7.1
Crew
7.9
Comfort
7.2
Food
6.4
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Related info for your journey
Find useful and relevant information for your journey from Harrisburg 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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Harrisburg and Killeen flights
Browse other Harrisburg and Killeen flight options. Last updated on May 2, 2026.
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Top airline flying from Harrisburg to Killeen
Discover the top airline that operate flights from Harrisburg 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 May 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$397 | Average$598 | FlexibilityNo cancel fee | On-time71% |