$224+ Cheap flights from Killeen (GRK) to Puerto Rico
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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SJU
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Cheapest flights from Killeen to Puerto RicoExplore 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 October 26, 2026.
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 October 26, 2026.
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/163:07 pm -
1 stop7h 09m
Thu 11/196:23 am -
1 stop7h 36m
Deal found 10/22![American Airlines logo]()
$450
This American Airlines deal was found by Cheapflights users on 10/24. 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 12/107:00 am -
2 stops13h 35m
Sun 12/136:28 am -
1 stop16h 39m
Deal found 10/24![American Airlines logo]()
$523
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 11/73:07 pm -
2 stops16h 35m
Tue 11/106:28 am -
1 stop10h 09m
Deal found 10/24![American Airlines logo]()
$602
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 12/133:17 pm -
1 stop6h 52m
Thu 1/75:07 pm -
1 stop18h 34m
Deal found 10/22![American Airlines logo]()
$621
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Sun 10/253:16 pm -
2 stops17h 30m
Sun 11/11:40 pm -
2 stops9h 29m
Deal found 10/24![American Airlines logo]()
$622
This American Airlines deal was found by Cheapflights users on 10/23. 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 10/263:16 pm -
2 stops17h 30m
Wed 10/2812:21 pm -
2 stops10h 46m
Deal found 10/23![American Airlines logo]()
$642
This American Airlines deal was found by Cheapflights users on 10/23. 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 10/2612:28 pm -
1 stop9h 52m
Fri 11/276:23 am -
1 stop16h 48m
Deal found 10/23![American Airlines logo]()
$646
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Tue 10/273:16 pm -
2 stops19h 15m
Tue 11/36:28 am -
1 stop10h 09m
Deal found 10/23![American Airlines logo]()
$650
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 12/133:17 pm -
1 stop6h 52m
Fri 1/85:07 pm -
1 stop18h 34m
Deal found 10/22![American Airlines logo]()
$658
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 11/2112:29 pm -
1 stop9h 44m
Sat 11/286:23 am -
1 stop16h 48m
Deal found 10/24![American Airlines logo]()
$670
Best flights from Killeen to Puerto RicoDiscover carefully curated flight deals from Killeen to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Killeen to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Tue 1/197:23 am -
2 stops12h 07m
Thu 1/287:22 am -
2 stops10h 29m
Deal found 10/23![American Airlines logo]()
$450
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/167:00 am -
2 stops13h 39m
Thu 11/198:25 am -
2 stops11h 50m
Deal found 10/22![American Airlines logo]()
$450
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 11/73:07 pm -
2 stops16h 35m
Tue 11/109:45 am -
2 stops13h 24m
Deal found 10/24![American Airlines logo]()
$602
This American Airlines deal was found by Cheapflights users on 10/25. 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 12/1012:26 pm -
1 stop9h 43m
Sun 12/135:17 pm -
1 stop18h 08m
Deal found 10/25![American Airlines logo]()
$616
This American Airlines deal was found by Cheapflights users on 10/22. 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 1/46:50 pm -
2 stops14h 01m
Thu 1/75:07 pm -
1 stop18h 34m
Deal found 10/22![American Airlines logo]()
$643
Last-minute flights from Killeen to Puerto RicoDiscover last-minute flight deals from Killeen to Puerto Rico. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to Puerto Rico. Data last updated October 26, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Sun 10/253:16 pm -
2 stops17h 30m
Sun 11/11:40 pm -
2 stops9h 29m
Deal found 10/24![American Airlines logo]()
$622
This American Airlines deal was found by Cheapflights users on 10/23. 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 10/263:16 pm -
2 stops17h 30m
Wed 10/2812:21 pm -
2 stops10h 46m
Deal found 10/23![American Airlines logo]()
$642
This American Airlines deal was found by Cheapflights users on 10/23. 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 10/2612:28 pm -
1 stop9h 52m
Fri 11/276:23 am -
1 stop16h 48m
Deal found 10/23![American Airlines logo]()
$646
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Tue 10/273:16 pm -
2 stops19h 15m
Tue 11/36:28 am -
1 stop10h 09m
Deal found 10/23![American Airlines logo]()
$650
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 11/73:07 pm -
2 stops16h 35m
Tue 11/106:28 am -
1 stop10h 09m
Deal found 10/24![American Airlines logo]()
$602
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/163:07 pm -
1 stop7h 09m
Thu 11/196:23 am -
1 stop7h 36m
Deal found 10/22![American Airlines logo]()
$450
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Fri 11/2010:00 am -
2 stops9h 36m
Fri 11/276:05 am -
2 stops14h 10m
Deal found 10/23![American Airlines logo]()
$690
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Sat 11/2112:29 pm -
1 stop9h 44m
Sat 11/286:23 am -
1 stop16h 48m
Deal found 10/24![American Airlines logo]()
$670
One-way flights from Killeen to Puerto RicoSearch for one-way flight options from Killeen to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Killeen to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 11/145:00 am -
1 stop9h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$224
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Tue 1/56:50 pm -
2 stops12h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![American Airlines logo]()
$225
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/115:00 am -
1 stop17h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$229
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 11/155:00 am -
1 stop9h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$235
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/127:00 am -
2 stops13h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$274
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Sun 12/133:17 pm -
1 stop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Tue 12/155:00 am -
2 stops29h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Sat 11/73:07 pm -
2 stops16h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 10/22. 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 12/143:17 pm -
1 stop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$368
Find 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 October 26, 2026.
Round-trip from | $430 (American Airlines) |
|---|---|
One-way from | $224 (American Airlines) |
Popular in | January |
Cheapest in | October |
Average price | $410 |
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 7,457,451 searches. Data last updated October 26, 2026.
Use the filters below to find and compare flights from Killeen to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KilleenSan Juan
GRK Killeen Fort Hood Regional - SJU San Juan Luis Munoz Marin Intl
GRKSJU
Killeen Fort Hood Regional
Sat 11/14
7:00 am-9:38 pm
2 stops12h 38m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$224
KilleenSan Juan
GRK Killeen Fort Hood Regional - SJU San Juan Luis Munoz Marin Intl
GRKSJU
Killeen Fort Hood Regional
Tue 1/5
6:50 pm-12:28 pm
2 stops15h 38m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$225
Quickest round-trip
KilleenSan Juan
GRK Killeen Fort Hood Regional - SJU San Juan Luis Munoz Marin Intl
GRKSJU
Killeen Fort Hood Regional
Sun 11/15
5:00 am-4:09 pm
1 stop9h 09m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$235
KilleenSan Juan
GRK Killeen Fort Hood Regional - SJU San Juan Luis Munoz Marin Intl
GRKSJU
Killeen Fort Hood Regional
Tue 11/10
7:00 am-10:39 pm
2 stops13h 39m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$321
KilleenSan Juan
GRK Killeen Fort Hood Regional - SJU San Juan Luis Munoz Marin Intl
GRKSJU
Killeen Fort Hood Regional
Sat 11/7
3:07 pm-9:42 am
2 stops16h 35m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$321
KilleenSan Juan
GRK Killeen Fort Hood Regional - SJU San Juan Luis Munoz Marin Intl
GRKSJU
Killeen Fort Hood Regional
Mon 11/9
5:00 am-6:05 pm
2 stops11h 05m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$321
KilleenSan Juan
GRK Killeen Fort Hood Regional - SJU San Juan Luis Munoz Marin Intl
GRKSJU
Killeen Fort Hood Regional
Sun 11/8
5:00 am-9:38 pm
2 stops14h 38m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$321
KilleenSan Juan
GRK Killeen Fort Hood Regional - SJU San Juan Luis Munoz Marin Intl
GRKSJU
Killeen Fort Hood Regional
Tue 1/19
7:23 am-9:30 pm
2 stops12h 07m
San Juan Luis Munoz Marin Intl
Thu 1/28
7:22 am-3:51 pm
2 stops10h 29m
$450
KilleenSan Juan
GRK Killeen Fort Hood Regional - SJU San Juan Luis Munoz Marin Intl
GRKSJU
Killeen Fort Hood Regional
Mon 11/16
7:00 am-10:39 pm
2 stops13h 39m
San Juan Luis Munoz Marin Intl
Thu 11/19
8:25 am-6:15 pm
2 stops11h 50m
$450
KilleenSan Juan
GRK Killeen Fort Hood Regional - SJU San Juan Luis Munoz Marin Intl
GRKSJU
Killeen Fort Hood Regional
Sat 11/7
3:07 pm-9:42 am
2 stops16h 35m
San Juan Luis Munoz Marin Intl
Tue 11/10
9:45 am-9:09 pm
2 stops13h 24m
$602
Showing 1-10 of 12 resultsSorted by cheapest first
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.
GRK-SJU
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
GRK-PR0
GRK-SJU
No data available for this route at this time. Please check back soon.
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 October 26, 2026.
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.
Food
6.4
Overall
7.0
Comfort
7.1
Entertainment
6.8
Boarding
7.4
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Food
6.4
Overall
7.0
Comfort
7.1
Entertainment
6.8
Boarding
7.4
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
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.
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Alternative routes for Killeen to Puerto Rico
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Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Killeen to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Killeen and Puerto Rico flights
Browse other Killeen and Puerto Rico flight options. Last updated on October 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Killeen to Puerto Rico flights
Consider these flights traveling from Killeen to Puerto Rico.
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 7,457,451 searches. Data last updated October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$375 | Average$638 | FlexibilityNo cancel fee | On-time71% |