$357 Cheap Flights from St. Thomas (STT) to Killeen (GRK)

View $357 flight on Tue, May 5, 2026Opens in a new window

Popular airlines from Cyril E. King Airport (STT) to Killeen, TX (GRK-Killeen-Fort Hood Regional)

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Cheap Flights from St. Thomas to Killeen (STT-GRK)

Prices were available within the past 7 days and start at $357 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Cyril E. King Airport (STT) to Killeen-Fort Hood Regional Airport (GRK) cost?
Grab a cheap one-way flight from $357 or cheap return flight from Cyril E. King Airport (STT) 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 offers on this route.
What is the cheapest month to fly from Cyril E. King Airport (STT) to Killeen-Fort Hood Regional Airport (GRK)?
The cheapest month to fly from STT to GRK is , when demand is low. Off-peak season is generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Cyril E. King Airport (STT) to Killeen-Fort Hood Regional Airport (GRK)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest STT to GRK flight.
How many flights per day from Cyril E. King Airport (STT) to Killeen-Fort Hood Regional Airport (GRK)?
There are no daily nonstop flights available from Cyril E. King Airport (STT) to Killeen-Fort Hood Regional Airport (GRK). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from STT to GRK?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a number of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cyril E. King Airport (STT) to Killeen-Fort Hood Regional Airport (GRK)?
To land at Killeen-Fort Hood Regional Airport (GRK) on schedule, choose a flight that takes off from Cyril E. King Airport (STT) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Cyril E. King Airport (STT) to Killeen-Fort Hood Regional Airport (GRK) last-minute?
Holding off until right before your break to book a ticket from STT to GRK often results in higher prices. Although you may find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of snagging a bargain.
Is it cheaper to book a STT to GRK flight and hotel package?
Compared with arranging flights and hotels separately, booking a STT to GRK flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place takes the hassle out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then personalize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Cyril E. King Airport (STT) to Killeen-Fort Hood Regional Airport (GRK)?
If you reserved your STT to GRK flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
Cyril E. King
Destination airport
Killeen-Fort Hood Regional
Distance
2230 mi

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St. Thomas to Killeen Flights

The cheapest times to fly from St. Thomas 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 St. Thomas to Killeen are during the month of . You can find some of the cheapest flights from St. Thomas to Killeen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Thomas to Killeen

Sunday is one of the best days to book for cheap flights from St. Thomas 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 St. Thomas 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 St. Thomas to Killeen in 2025. You can also book with separate airlines for your outbound and return journeys, from $357 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 St. Thomas 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 St. Thomas 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.

 

St. Thomas to Killeen Flights

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