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Cheap flights from Killeen to San Juan from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Killeen to San Juan departing on 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Killeen to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:00 pm - 10:48 am
GRK
-
SJU
15h 48m2 stops
American Airlines Logo
6:00 am - 4:07 pm
SJU
-
GRK
12h 07m2 stops
$301American Airlines
Mon, Jan 26 - Thu, Jan 29
American Airlines Logo
5:00 pm - 10:48 am
GRK
-
SJU
15h 48m2 stops
American Airlines Logo
6:00 am - 4:16 pm
SJU
-
GRK
12h 16m2 stops
$309American Airlines
Sat, Jan 17 - Tue, Feb 3
American Airlines Logo
12:31 pm - 10:26 pm
GRK
-
SJU
7h 55m1 stop
American Airlines Logo
6:00 am - 10:43 pm
SJU
-
GRK
18h 43m2 stops
$349American Airlines
Sat, Jan 17 - Tue, Feb 3
American Airlines Logo
12:31 pm - 10:26 pm
GRK
-
SJU
7h 55m1 stop
American Airlines Logo
7:07 am - 6:53 pm
SJU
-
GRK
13h 46m1 stop
$452American Airlines
Sat, Jan 17 - Tue, Feb 3
American Airlines Logo
6:33 pm - 5:28 am
GRK
-
SJU
9h 55m1 stop
American Airlines Logo
1:30 am - 9:45 am
SJU
-
GRK
9h 15m1 stop
$498American Airlines
Sun, Mar 15 - Wed, Mar 18
American Airlines Logo
4:10 pm - 10:09 am
GRK
-
SJU
15h 59m2 stops
American Airlines Logo
12:47 pm - 8:33 pm
SJU
-
GRK
9h 46m2 stops
$545American Airlines
Mon, Dec 15 - Thu, Dec 18
American Airlines Logo
6:33 pm - 5:11 pm
GRK
-
SJU
21h 38m2 stops
American Airlines Logo
1:30 am - 6:03 pm
SJU
-
GRK
17h 33m1 stop
$548American Airlines
Sun, Mar 29 - Sun, Apr 5
American Airlines Logo
6:33 pm - 5:28 am
GRK
-
SJU
9h 55m1 stop
American Airlines Logo
6:00 am - 8:17 pm
SJU
-
GRK
15h 17m2 stops
$585American Airlines
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
6:33 pm - 9:00 am
GRK
-
SJU
13h 27m2 stops
American Airlines Logo
6:00 am - 8:17 pm
SJU
-
GRK
15h 17m2 stops
$600American Airlines
Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
6:33 pm - 5:28 am
GRK
-
SJU
9h 55m1 stop
American Airlines Logo
1:30 am - 9:45 am
SJU
-
GRK
9h 15m1 stop
$642American Airlines
Sun, Mar 29 - Sat, Apr 4

American Airlines flights from Killeen to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on Killeen to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
Jan 26
GRK5:00 pmKilleen Fort Hood Regional
15h 48m
2 stops
SJU10:48 amSan Juan Luis Munoz Marin Intl
Jan 29
SJU3:54 pmSan Juan Luis Munoz Marin Intl
8h 49m
1 stop
GRK10:43 pmKilleen Fort Hood Regional
$301
Find similar
American Airlines
Jan 17
GRK5:00 pmKilleen Fort Hood Regional
15h 48m
2 stops
SJU10:48 amSan Juan Luis Munoz Marin Intl
Feb 3
SJU6:00 amSan Juan Luis Munoz Marin Intl
12h 16m
2 stops
GRK4:16 pmKilleen Fort Hood Regional
$309
Find similar
American Airlines
Jan 17
GRK12:31 pmKilleen Fort Hood Regional
7h 55m
1 stop
SJU10:26 pmSan Juan Luis Munoz Marin Intl
Feb 3
SJU6:00 amSan Juan Luis Munoz Marin Intl
18h 43m
2 stops
GRK10:43 pmKilleen Fort Hood Regional
$349
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Killeen to San Juan Luis Munoz Marin Intl Airport 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, momondo users made 832,500 searches. Data last updated December 4, 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

Fly to

Route

Depart

Return

Price

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Mon 1/26

5:00 pm-10:48 am

2 stops15h 48m

San Juan Luis Munoz Marin Intl

Thu 1/29

6:00 am-4:07 pm

2 stops12h 07m

$301

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sat 1/17

5:00 pm-10:48 am

2 stops15h 48m

San Juan Luis Munoz Marin Intl

Tue 2/3

6:00 am-4:16 pm

2 stops12h 16m

$309

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sat 1/17

12:31 pm-10:26 pm

1 stop7h 55m

San Juan Luis Munoz Marin Intl

Tue 2/3

6:00 am-10:43 pm

2 stops18h 43m

$349

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sat 1/17

12:31 pm-10:26 pm

1 stop7h 55m

San Juan Luis Munoz Marin Intl

Tue 2/3

7:07 am-6:53 pm

1 stop13h 46m

$452

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sun 3/15

6:33 pm-5:28 am

1 stop9h 55m

San Juan Luis Munoz Marin Intl

Wed 3/18

1:30 am-9:45 am

1 stop9h 15m

$498

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Mon 12/15

4:10 pm-10:09 am

2 stops15h 59m

San Juan Luis Munoz Marin Intl

Thu 12/18

12:47 pm-8:33 pm

2 stops9h 46m

$545

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sun 3/29

6:33 pm-5:11 pm

2 stops21h 38m

San Juan Luis Munoz Marin Intl

Sun 4/5

1:30 am-6:03 pm

1 stop17h 33m

$548

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Fri 3/27

6:33 pm-5:28 am

1 stop9h 55m

San Juan Luis Munoz Marin Intl

Tue 3/31

6:00 am-8:17 pm

2 stops15h 17m

$585

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Fri 3/27

6:33 pm-9:00 am

2 stops13h 27m

San Juan Luis Munoz Marin Intl

Tue 3/31

6:00 am-8:17 pm

2 stops15h 17m

$600

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sun 3/29

6:33 pm-5:28 am

1 stop9h 55m

San Juan Luis Munoz Marin Intl

Sat 4/4

1:30 am-9:45 am

1 stop9h 15m

$642

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Killeen to San Juan Luis Munoz Marin Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $396.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Killeen is on a Friday. momondo users have found tickets for Friday departures for as low as $466. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Killeen because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $674.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the afternoon when flights can be purchased for as low as $466. Flights at noon are often more expensive with an average ticket price of $713.

Can stopping save me money on Killeen to San Juan Luis Munoz Marin Intl Airport flights?

You could potentially save up to 44% on your flight if you consider stops on a Killeen to San Juan Luis Munoz Marin Intl Airport flight.

How have Killeen to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

When to book flights from Killeen to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Killeen to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Killeen to San Juan Luis Munoz Marin Intl Airport (GRK to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Killeen to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

6h 28m

Direct flights

None
The fastest flight from Killeen to San Juan Luis Munoz Marin Intl Airport takes 6h 28m
There are no direct flights from Killeen to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Killeen to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

  • How far is Killeen Fort Hood Regional to San Juan Luis Munoz Marin Intl by plane?

    San Juan Luis Munoz Marin Intl is 2162.6 mi away from Killeen Fort Hood Regional. 7h 13m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Killeen Fort Hood Regional Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Killeen Fort Hood Regional Airport to San Juan Luis Munoz Marin Intl Airport refresh daily.

  • How many operators does momondo search for flights from Killeen Fort Hood Regional Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Killeen Fort Hood Regional Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Killeen Fort Hood Regional Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Killeen to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Killeen to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Killeen to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $338Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Humacao
Caguas
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Killeen to San Juan?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Juan from Killeen.

Can I find flights from Killeen to San Juan with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Killeen to San Juan flights to just show those with flexible booking policies.

How can momondo help me find flights from Killeen to San Juan?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Juan from Killeen.

I’m not ready to book a flight from Killeen to San Juan right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Killeen to San Juan flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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