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Luis Munoz Marin Intl

$236+ Cheap flights from Killeen (GRK) to Luis Munoz Marin Intl (SJU)

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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SJU
Jun 12 — Jun 191
Fri 6/12
Fri 6/19
1 adult, Economy
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Cheap flight deals from Killeen to Luis Munoz Marin Intl

Cheapest flights from Killeen to Luis Munoz Marin Intl
Explore the most affordable flight options available from Killeen to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2026.

This American Airlines deal was found by Cheapflights users on 5/9. 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 9/187:22 pm
GRK
-
SJU
2 stops18h 23m
American Airlines
Mon 9/217:05 pm
SJU
-
GRK
2 stops15h 23m
American Airlines
Deal found 5/9$370
This American Airlines deal was found by Cheapflights users on 5/11. 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 10/55:00 am
GRK
-
SJU
1 stop9h 02m
American Airlines
Tue 10/135:50 pm
SJU
-
GRK
2 stops19h 28m
American Airlines
Deal found 5/11$426
This American Airlines deal was found by Cheapflights users on 5/11. 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 10/712:35 pm
GRK
-
SJU
2 stops21h 30m
American Airlines
Tue 10/135:50 pm
SJU
-
GRK
2 stops19h 28m
American Airlines
Deal found 5/11$431
This American Airlines deal was found by Cheapflights users on 5/10. 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 9/85:00 am
GRK
-
SJU
2 stops12h 24m
American Airlines
Sat 9/126:30 am
SJU
-
GRK
2 stops18h 09m
American Airlines
Deal found 5/10$458
This American Airlines deal was found by Cheapflights users on 5/11. 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 10/55:00 am
GRK
-
SJU
1 stop9h 02m
American Airlines
Thu 10/157:00 pm
SJU
-
GRK
2 stops15h 28m
American Airlines
Deal found 5/11$478
This American Airlines deal was found by Cheapflights users on 5/11. 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 10/73:06 pm
GRK
-
SJU
1 stop7h 27m
American Airlines
Fri 10/165:50 pm
SJU
-
GRK
2 stops21h 49m
American Airlines
Deal found 5/11$483
This American Airlines deal was found by Cheapflights users on 5/11. 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 10/55:00 am
GRK
-
SJU
1 stop9h 02m
American Airlines
Sun 10/117:00 pm
SJU
-
GRK
2 stops24h 54m
American Airlines
Deal found 5/11$510
This American Airlines deal was found by Cheapflights users on 5/11. 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 10/73:06 pm
GRK
-
SJU
2 stops18h 59m
American Airlines
Sun 10/117:00 pm
SJU
-
GRK
2 stops15h 28m
American Airlines
Deal found 5/11$515
This American Airlines deal was found by Cheapflights users on 5/10. 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 7/45:00 am
GRK
-
SJU
1 stop15h 43m
American Airlines
Sat 7/116:00 am
SJU
-
GRK
2 stops17h 27m
American Airlines
Deal found 5/10$530
This American Airlines deal was found by Cheapflights users on 5/11. 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 10/45:00 am
GRK
-
SJU
1 stop9h 02m
American Airlines
Sun 10/117:00 pm
SJU
-
GRK
2 stops15h 28m
American Airlines
Deal found 5/11$562
This American Airlines deal was found by Cheapflights users on 5/11. 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 10/57:00 am
GRK
-
SJU
2 stops10h 05m
American Airlines
Mon 10/125:50 pm
SJU
-
GRK
2 stops16h 38m
American Airlines
Deal found 5/11$566

Find flight deals from Killeen to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$370
(American Airlines)

One-way from

$236
(American Airlines)

Popular in

January

Cheapest in

September

Average price

$630
Provider with most accurate pricing for Killeen Fort Hood Regional-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-San Juan Luis Munoz Marin Intl flights.
Search Deals
From Killeen Fort Hood Regional to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Killeen Fort Hood Regional to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($133 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen to Luis Munoz Marin Intl 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 May 13, 2026.
Use the filters below to find and compare flights from Killeen to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Fri 9/18

7:22 pm-2:45 pm

2 stops18h 23m

San Juan Luis Munoz Marin Intl

Mon 9/21

7:05 pm-9:28 am

2 stops15h 23m

$370

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Thu 6/11

3:07 pm-11:02 am

2 stops18h 55m

San Juan Luis Munoz Marin Intl

Wed 6/24

6:01 am-10:44 pm

2 stops17h 43m

$621

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Wed 6/10

5:00 am-9:58 pm

2 stops15h 58m

San Juan Luis Munoz Marin Intl

Fri 7/3

5:45 am-8:51 pm

1 stop16h 06m

$646

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sat 6/13

5:00 am-9:58 pm

2 stops15h 58m

San Juan Luis Munoz Marin Intl

Sun 8/2

5:45 am-10:27 pm

1 stop17h 42m

$661

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Fri 7/3

3:06 pm-9:45 am

2 stops17h 39m

San Juan Luis Munoz Marin Intl

Sun 7/12

10:35 am-11:39 pm

2 stops14h 04m

$705

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sat 6/27

5:00 am-9:58 pm

2 stops15h 58m

San Juan Luis Munoz Marin Intl

Sat 7/4

12:58 am-9:36 am

1 stop9h 38m

$725

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Thu 7/2

3:06 pm-9:45 am

2 stops17h 39m

San Juan Luis Munoz Marin Intl

Mon 7/13

6:00 am-10:27 pm

2 stops17h 27m

$761
Quickest round-trip

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sun 6/14

7:21 pm-4:25 am

1 stop8h 04m

San Juan Luis Munoz Marin Intl

Fri 6/19

12:44 am-12:24 pm

1 stop12h 40m

$789
Cheapest one-way
Quickest one-way

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sun 6/14

7:21 pm-4:25 am

1 stop8h 04m

$348

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Tue 6/30

7:21 pm-4:25 am

1 stop8h 04m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Killeen to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Killeen to Luis Munoz Marin Intl in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Killeen-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Killeen-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Killeen-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Killeen-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Killeen-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Killeen to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport

How much does it cost to fly round-trip from Killeen to San Juan Luis Munoz Marin Intl Airport?

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated May 13, 2026.
Read through reviews of airlines operating flights from Killeen to San Juan Luis Munoz Marin Intl Airport, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,662 reviews

Comfort

7.2

Crew

7.9

Food

6.4

Entertainment

6.9

Overall

7.1

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
American Airlines
7.1
Good
11,662 reviews
American Airlines
7.1
Good
11,662 reviews

Comfort

7.2

Crew

7.9

Food

6.4

Entertainment

6.9

Overall

7.1

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

Related info for your journey

Find useful and relevant information for your journey from Killeen to Luis Munoz Marin Intl. 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 San Juan Luis Munoz Marin Intl?

    For a flight from Killeen to San Juan Luis Munoz Marin Intl, you will be flying from Fort Hood Regional. Killeen Fort Hood Regional (GRK) is just 6.9 mi from the center of the city. Fort Hood Regional is the only Killeen airport and it handles 0 outbound flights to San Juan Luis Munoz Marin Intl per day. 1 airline has flights to San Juan Luis Munoz Marin Intl from Killeen Fort Hood Regional on a regular basis.

  • How long is the flight from Killeen to San Juan Luis Munoz Marin Intl Airport?

    Airlines like American Airlines fly from Killeen to San Juan Luis Munoz Marin Intl Airport in about 18h 23m. The time it takes to get you to your destination can typically vary by up to . The distance between Killeen and San Juan Luis Munoz Marin Intl Airport is about 2167 mi.

  • What is the cheapest airline to fly from Killeen to San Juan Luis Munoz Marin Intl Airport round-trip?

    Currently priced at $470, American Airlines will fly you from Killeen to San Juan Luis Munoz Marin Intl Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. This flight start at 22% lower than the current average price 3 months from now.

  • Can I find deals for flights from Killeen to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Killeen to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Killeen to Luis Munoz Marin Intl?

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

  • Can I find deals for business class flights from Killeen to Luis Munoz Marin Intl?

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

See more FAQs

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Fajardo
Luquillo
Rio Grande
Dorado
Humacao
Bayamón

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Top airline flying from Killeen to Luis Munoz Marin Intl

Discover the top airline that operate flights from Killeen to Luis Munoz Marin Intl. 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 May 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$470Average$630FlexibilityNo cancel feeOn-time71%

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