$120 Cheap Flights from San Juan (SJU) to Killeen (GRK)

View $120 flight on Fri, Dec 12, 2025Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Killeen, TX (GRK-Killeen-Fort Hood Regional)

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Cheap Flights from San Juan to Killeen (SJU-GRK)

Prices were available within the past 7 days and start at $120 for one-way flights and $239 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Jan 19 - Sat, Jan 24
SJU
San Juan
GRK
Killeen
$239 Roundtrip, found 5 days ago
$239
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Jan 19 from San Juan to Killeen, returning Sat, Jan 24, priced at $239 found 5 days ago
American Airlines
Sat, Nov 22 - Mon, Dec 8
SJU
San Juan
GRK
Killeen
$301 Roundtrip, found 13 hours ago
$301
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Sat, Nov 22 from San Juan to Killeen, returning Mon, Dec 8, priced at $301 found 13 hours ago
American Airlines
Thu, Nov 20 - Fri, Nov 28
SJU
San Juan
GRK
Killeen
$309 Roundtrip, found 2 days ago
$309
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Nov 20 from San Juan to Killeen, returning Fri, Nov 28, priced at $309 found 2 days ago
American Airlines
Tue, Dec 9 - Wed, Dec 10
SJU
San Juan
GRK
Killeen
$342 Roundtrip, found 4 days ago
$342
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Dec 9 from San Juan to Killeen, returning Wed, Dec 10, priced at $342 found 4 days ago
American Airlines
Sat, Jan 17 - Sun, Jan 25
SJU
San Juan
GRK
Killeen
$349 Roundtrip, found 2 days ago
$349
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jan 17 from San Juan to Killeen, returning Sun, Jan 25, priced at $349 found 2 days ago
American Airlines
Thu, Nov 13 - Mon, Nov 17
SJU
San Juan
GRK
Killeen
$362 Roundtrip, found 3 days ago
$362
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 13 from San Juan to Killeen, returning Mon, Nov 17, priced at $362 found 3 days ago
American Airlines
Tue, Nov 18 - Tue, Nov 25
SJU
San Juan
GRK
Killeen
$374 Roundtrip, found 3 days ago
$374
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Nov 18 from San Juan to Killeen, returning Tue, Nov 25, priced at $374 found 3 days ago
American Airlines
Fri, Dec 5 - Sun, Dec 7
SJU
San Juan
GRK
Killeen
$379 Roundtrip, found 4 hours ago
$379
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Dec 5 from San Juan to Killeen, returning Sun, Dec 7, priced at $379 found 4 hours ago
American Airlines
Sat, Dec 20 - Tue, Jan 6
SJU
San Juan
GRK
Killeen
$384 Roundtrip, found 14 hours ago
$384
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Sat, Dec 20 from San Juan to Killeen, returning Tue, Jan 6, priced at $384 found 14 hours ago
American Airlines
Mon, Jan 19 - Sat, Jan 24
SJU
San Juan
GRK
Killeen
$391 Roundtrip, found 5 days ago
$391
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Jan 19 from San Juan to Killeen, returning Sat, Jan 24, priced at $391 found 5 days ago

Find the cheapest month to fly from San Juan (SJU) to Killeen (GRK)

November is typically the cheapest month to fly

From $294 - $995 per traveler.

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 $448
GRK
Killeen-Fort Hood Regional
Cheapest
Average driving time to city center13 min
Flights from $448

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Killeen-Fort Hood Regional Airport (GRK) cost?
Lock in a cheap one-way flight from $120 or cheap return flight from $239 from Luis Munoz Marin Intl. Airport (SJU) to Killeen-Fort Hood Regional Airport (GRK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Luis Munoz Marin Intl. Airport (SJU) to Killeen-Fort Hood Regional Airport (GRK)?
The cheapest month to fly from SJU to GRK is January, when there's less demand. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Luis Munoz Marin Intl. Airport (SJU) to Killeen-Fort Hood Regional Airport (GRK)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SJU to GRK flight.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Killeen-Fort Hood Regional Airport (GRK)?
Nonstop flights from Luis Munoz Marin Intl. Airport (SJU) to Killeen-Fort Hood Regional Airport (GRK) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SJU to GRK?
You'll usually 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 Luis Munoz Marin Intl. Airport (SJU) to Killeen-Fort Hood Regional Airport (GRK)?
Opt for a flight from Luis Munoz Marin Intl. Airport (SJU) to Killeen-Fort Hood Regional Airport (GRK) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Luis Munoz Marin Intl. Airport (SJU) to Killeen-Fort Hood Regional Airport (GRK) last-minute?
Holding off until just before your trip to book a flight from SJU to GRK generally means paying more. Although you may find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of scoring a bargain.
Is it cheaper to book a SJU to GRK flight and hotel package?
Booking a SJU to GRK flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our impressive range of accommodations and then add flights, car rentals and activities 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 Luis Munoz Marin Intl. Airport (SJU) to Killeen-Fort Hood Regional Airport (GRK)?
Typically, it's possible to cancel or reschedule your SJU to GRK flight. However, if it's been more than 24 hours since booking, additional charges 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
Luis Munoz Marin Intl.
Destination airport
Killeen-Fort Hood Regional
Airlines serving
American Airlines
Roundtrip price
$239
Distance
2167 mi

Book with confidence

San Juan to Killeen Flights

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

 

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

Sunday is one of the best days to book for cheap flights from San Juan 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 Juan 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 Juan to Killeen in 2025. You can also book with separate airlines for your outbound and return journeys, from $120 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 Juan 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 Juan 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.

 

San Juan to Killeen Flights

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*Available to One Key members.