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Luis Munoz Marin Intl

$253+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SJU
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This American Airlines deal was found by Cheapflights users on 1/26. 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 2/236:33 pm
GRK
-
SJU
2 stops15h 23m
American Airlines
Mon 3/27:01 pm
SJU
-
GRK
2 stops16h 44m
American Airlines
Deal found 1/26$260
This American Airlines deal was found by Cheapflights users on 1/27. 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 4/257:09 pm
GRK
-
SJU
1 stop8h 23m
American Airlines
Fri 5/111:59 pm
SJU
-
GRK
1 stop13h 39m
American Airlines
Deal found 1/27$321
This American Airlines deal was found by Cheapflights users on 1/26. 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 4/213:54 pm
GRK
-
SJU
2 stops16h 19m
American Airlines
Mon 4/2711:59 pm
SJU
-
GRK
1 stop10h 38m
American Airlines
Deal found 1/26$361
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/263:59 pm
GRK
-
SJU
2 stops16h 01m
American Airlines
Sat 2/287:00 am
SJU
-
GRK
2 stops17h 36m
American Airlines
Deal found 1/27$423
This American Airlines deal was found by Cheapflights users on 1/26. 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 6/67:24 pm
GRK
-
SJU
1 stop8h 08m
American Airlines
Fri 6/1212:39 am
SJU
-
GRK
1 stop9h 53m
American Airlines
Deal found 1/26$524
This American Airlines deal was found by Cheapflights users on 1/27. 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 5/75:00 am
GRK
-
SJU
2 stops12h 06m
American Airlines
Mon 5/1111:59 pm
SJU
-
GRK
1 stop10h 38m
American Airlines
Deal found 1/27$624

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$260
(American Airlines)

One-way from

$253
(American Airlines)

Popular in

January

Cheapest in

September

Average price

$800
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.
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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. 21% potential increase in price ($157 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 27, 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

Killeen

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Mon 2/23

6:33 pm-11:56 am

2 stops15h 23m

San Juan Luis Munoz Marin Intl

Mon 3/2

7:01 pm-9:45 am

2 stops16h 44m

$260

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sat 4/25

7:09 pm-4:32 am

1 stop8h 23m

San Juan Luis Munoz Marin Intl

Fri 5/1

11:59 pm-9:37 am

1 stop10h 38m

$321

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Tue 4/21

3:54 pm-9:13 am

2 stops16h 19m

San Juan Luis Munoz Marin Intl

Mon 4/27

11:59 pm-9:37 am

1 stop10h 38m

$321

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Thu 5/7

7:09 pm-4:32 am

1 stop8h 23m

San Juan Luis Munoz Marin Intl

Mon 5/11

11:59 pm-9:37 am

1 stop10h 38m

$382

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Mon 2/9

5:21 am-3:04 pm

1 stop7h 43m

$253

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sun 6/14

3:06 pm-4:32 am

1 stop12h 26m

$293

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Mon 2/2

12:31 pm-10:26 pm

1 stop7h 55m

$298

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sat 4/4

6:33 pm-9:00 am

2 stops13h 27m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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

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

Currently, January is the cheapest month in which you can book a flight from Killeen to San Juan Luis Munoz Marin Intl Airport (average of $171). Flying from Killeen to San Juan Luis Munoz Marin Intl Airport in April is currently the most expensive (average of $266). 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 January 27, 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
7.2
Good
11,197 reviews

Crew

8.0

Food

6.4

Comfort

7.2

Overall

7.2

Boarding

7.5

Entertainment

6.9

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
11,197 reviews
American Airlines
7.2
Good
11,197 reviews

Crew

8.0

Food

6.4

Comfort

7.2

Overall

7.2

Boarding

7.5

Entertainment

6.9

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 15h 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 $349, 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, January is the cheapest month in which you can book a flight from Killeen to San Juan Luis Munoz Marin Intl Airport (average of $171). Flying from Killeen to San Juan Luis Munoz Marin Intl Airport in April is currently the most expensive (average of $266). 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
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Bayamón

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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$349Average$593FlexibilityNo cancel feeOn-time71%

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