HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$110+ Cheap flights from Killeen (GRK) to Puerto Rico

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SJU
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Killeen to Puerto Rico 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 Killeen to Puerto Rico

Keep the following information in mind while searching for Killeen to Puerto Rico flight deals. Data was last updated July 29, 2025.

Round-trip from

$224
(American Airlines)

One-way from

$110
(American Airlines)

Popular in

April

Cheapest in

January

Average price

$485
From Killeen Fort Hood Regional to Puerto Rico
Search Deals
One-way flight from Killeen Fort Hood Regional to Puerto Rico
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Killeen to Puerto Rico

Cheapest flights from Killeen to Puerto Rico
Explore the most affordable flight options available from Killeen to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 9/1511:34 amGRK - SJU
2 stops22h 37mAmerican Airlines
Sat 9/203:55 pmSJU - GRK
2 stops18h 43mAmerican Airlines
Deal found 7/29$224

Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen to Puerto Rico 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 July 29, 2025.
Use the filters below to find and compare flights from Killeen to Puerto Rico that are best for you.

Fly from

Killeen

Fly to

Puerto Rico

Route

Depart

Return

Price

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Mon 9/15

4:40 pm-12:50 pm

2 stops19h 10m

San Juan Luis Munoz Marin Intl

Sat 9/20

3:55 pm-9:38 am

2 stops18h 43m

$224

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Fri 10/10

6:13 pm-11:06 am

2 stops15h 53m

$110

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Killeen to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Killeen with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from Killeen to Puerto Rico

What is the cheapest month to book a flight from Killeen to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from Killeen to Puerto Rico (average of $254). Flying from Killeen to Puerto Rico in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated July 29, 2025.
Get a feel of what it's like to fly with American Airlines from Killeen to Puerto Rico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Crew

8.0

Food

6.5

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Crew

8.0

Food

6.5

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

Related info for your journey

Find useful and relevant information for your journey from Killeen to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Killeen to Puerto Rico?

    Killeen Fort Hood Regional (GRK) is the airport you will fly out of if you book a flight from Killeen to Puerto Rico. It is only a 6.9 mi journey to Fort Hood Regional (GRK) from Killeen’s city center.

  • Can I find deals for flights from Killeen to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Killeen to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Killeen to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Killeen to Puerto Rico.

  • Can I find deals for business class flights from Killeen to Puerto Rico?

    Yes. Cheapflights offers flight deals from Killeen to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Killeen to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Killeen to Puerto Rico (average of $254). Flying from Killeen to Puerto Rico in June is currently the most expensive (average of $339). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Killeen to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Luis Munoz Marin Intl flights
Hobby to Luis Munoz Marin Intl flights
George Bush Intcntl to Luis Munoz Marin Intl flights
Love Field to Luis Munoz Marin Intl flights
Dallas/Fort Worth to Santo Domingo flights
Hobby to Punta Cana flights
Austin to Luis Munoz Marin Intl flights
Dallas/Fort Worth to Saint Thomas Island flights
Dallas/Fort Worth to Punta Cana flights
George Bush Intcntl to Punta Cana flights
Hobby to Santo Domingo flights
Hobby to Montego Bay flights
Hobby to Oranjestad flights
Dallas/Fort Worth to Montego Bay flights
George Bush Intcntl to Montego Bay flights
Hobby to Nassau flights
George Bush Intcntl to Oranjestad flights
San Antonio to Luis Munoz Marin Intl flights
Hobby to Saint Thomas Island flights
George Bush Intcntl to Nassau flights
George Bush Intcntl to Santo Domingo flights
Dallas/Fort Worth to Nassau flights
Dallas/Fort Worth to Oranjestad flights
Dallas/Fort Worth to Providenciales flights
George Bush Intcntl to Saint Thomas Island flights
Austin to Punta Cana flights
Hobby to Castries flights
Austin to Christiansted flights
Hobby to Providenciales flights
Austin to Oranjestad flights
Dallas/Fort Worth to Simpson Bay flights
Dallas/Fort Worth to Christiansted flights
Love Field to Punta Cana flights
Love Field to Santo Domingo flights
Dallas/Fort Worth to George Town flights
El Paso to Luis Munoz Marin Intl flights
Hobby to Bridgetown flights
George Bush Intcntl to Providenciales flights
George Bush Intcntl to Castries flights
Dallas/Fort Worth to Castries flights
Austin to Saint Thomas Island flights
Austin to Montego Bay flights
Hobby to Willemstad flights
Hobby to George Town flights
George Bush Intcntl to George Town flights
El Paso to Montego Bay flights
George Bush Intcntl to Willemstad flights
George Bush Intcntl to Bridgetown flights
Hobby to Simpson Bay flights
Dallas/Fort Worth to Willemstad flights

Top airline flying from Killeen to Puerto Rico

Discover the top airline that operate flights from Killeen to Puerto Rico. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$349Average$581FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.