$368 Cheap Flights from San Antonio (SAT) to Killeen (GRK)

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Find available prices by choosing your travel dates.

Cheap Flights from San Antonio to Killeen (SAT-GRK)

Prices were available within the past 7 days and start at $368 for one-way flights and $735 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from San Antonio (SAT) to Killeen (GRK)
Origin airport
San Antonio Intl.
Destination airport
Killeen-Fort Hood Regional
Roundtrip price
$735
Distance
112 mi

San Antonio to Killeen Flights

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

The best time to book a flight from San Antonio to Killeen

Sunday is one of the best days to book for cheap flights from San Antonio 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 San Antonio 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 San Antonio to Killeen in 2025. You can also book with separate airlines for your outbound and return journeys, from $368 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 San Antonio 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 San Antonio 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.

Frequently asked questions

Is it cheaper to buy a plane ticket from San Antonio Airport to Killeen-Fort Hood Regional Airport last minute?
Booking your flight from San Antonio Intl. Airport (SAT) to GRK last minute could save you a tidy sum if you strike it lucky and find an epic deal. However, fares don’t usually get cheaper closer to the departure date. If you procrastinate, flights could also be sold out or the best seats long gone. If you don’t want to hedge your bets, book well in advance of your departure date. Keep in mind that some of the best deals can be found up to a year in advance. If your preferred airline hasn’t released its fares yet, check back regularly as deals are updated on Expedia all the time.
What airports do you fly into for Killeen from San Antonio?
From San Antonio, you can fly into Killeen via Killeen-Fort Hood Regional Airport (GRK), Waco Regional Airport (ACT) and Austin-Bergstrom Intl. Airport (AUS). Determine which airport works best for you before you make a decision. If you choose Killeen-Fort Hood Regional Airport (GRK), it’s about 7 mi southwest of downtown. Use the cash you save when booking your airfare with Expedia to visit the city’s popular sights, such as 1st Cavalry Division Museum and Stonetree Golf Club.
Can I change the date of my flight from San Antonio Airport to Killeen-Fort Hood Regional Airport (GRK)?
It’s a cinch to make amendments to your SAT to Killeen-Fort Hood Regional Airport (GRK) trip yourself. Access your itinerary via the Expedia Trips portal and tap “change flight.” Look for new flights and book the one that works with your new plans. You’ll see an estimate of any flight change fees. You can also head to our Customer Service portal to chat to our Virtual Agent and quickly get answers to all your questions.

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*Available to One Key members.