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Luis Munoz Marin Intl

$120+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SJU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$301
(American Airlines)

One-way from

$120
(American Airlines)

Popular in

April

Cheapest in

January

Average price

$458
From Killeen Fort Hood Regional to San Juan Luis Munoz Marin Intl
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One-way flight from Killeen Fort Hood Regional to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 8% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/226:09 pmGRK - SJU
2 stops15h 57mAmerican Airlines
Wed 10/297:05 amSJU - GRK
2 stops16h 47mAmerican Airlines
Deal found 9/10$355
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/155:16 amGRK - SJU
1 stop7h 59mAmerican Airlines
Sat 9/203:05 pmSJU - GRK
1 stop8h 40mAmerican Airlines
Deal found 9/11$643
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 12/1710:33 amGRK - SJU
2 stops21h 03mAmerican Airlines
Tue 12/3010:03 pmSJU - GRK
2 stops15h 24mAmerican Airlines
Deal found 9/9$838
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 12/174:10 pmGRK - SJU
2 stops15h 26mAmerican Airlines
Wed 12/3110:26 amSJU - GRK
2 stops14h 03mAmerican Airlines
Deal found 9/9$975
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 12/226:32 pmGRK - SJU
2 stops13h 04mAmerican Airlines
Thu 12/251:30 amSJU - GRK
1 stop10h 21mAmerican Airlines
Deal found 9/10$1,065
This American Airlines deal was found by Cheapflights users on 9/11. 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 12/226:32 pmGRK - SJU
2 stops13h 04mAmerican Airlines
Wed 12/311:30 amSJU - GRK
1 stop10h 21mAmerican Airlines
Deal found 9/11$1,066

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 September 11, 2025.
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

Killeen

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Wed 10/22

5:16 am-2:25 pm

1 stop8h 09m

San Juan Luis Munoz Marin Intl

Wed 10/29

5:00 pm-10:06 am

2 stops18h 06m

$355

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Tue 3/3

5:18 am-2:43 pm

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Fri 3/6

6:50 pm-9:28 am

2 stops16h 38m

$401

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Wed 12/17

10:33 am-9:36 am

2 stops21h 03m

San Juan Luis Munoz Marin Intl

Tue 12/30

10:03 pm-11:27 am

2 stops15h 24m

$838

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Wed 12/17

4:10 pm-9:36 am

2 stops15h 26m

San Juan Luis Munoz Marin Intl

Wed 12/31

10:26 am-10:29 pm

2 stops14h 03m

$975

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Mon 12/22

6:32 pm-9:36 am

2 stops13h 04m

San Juan Luis Munoz Marin Intl

Thu 12/25

1:30 am-9:51 am

1 stop10h 21m

$1,065

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Mon 1/12

6:42 pm-12:00 pm

2 stops15h 18m

$120

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Mon 2/2

6:24 am-2:43 pm

1 stop6h 19m

$196

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sat 11/15

7:15 pm-1:43 pm

2 stops16h 28m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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

What is the cheapest month to book a flight from Killeen to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Killeen to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Killeen to San Juan Luis Munoz Marin Intl Airport 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 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 September 11, 2025.
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
7.2
Good
10,000 reviews

Food

6.4

Boarding

7.5

Overall

7.2

Entertainment

6.9

Crew

8.0

Comfort

7.2

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

Food

6.4

Boarding

7.5

Overall

7.2

Entertainment

6.9

Crew

8.0

Comfort

7.2

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 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 8h 09m. 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 $338, 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 39% 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.

  • What is the cheapest month to book a flight from Killeen to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Killeen to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Killeen to San Juan Luis Munoz Marin Intl Airport 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

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
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

Browse thousands of different options on Cheapflights for your next trip

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$338Average$560FlexibilityNo cancel feeOn-time71%

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