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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 1/12. 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 (GRK-SJU)

Cheap round-trip flights

American Airlines Logo
6:09 pm - 12:44 pmGRK-SJU
17h 35m2 stops
American Airlines Logo
7:05 am - 10:52 pmSJU-GRK
16h 47m2 stops
$325American Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
American Airlines Logo
6:09 pm - 12:44 pmGRK-SJU
17h 35m2 stops
American Airlines Logo
3:34 pm - 10:52 pmSJU-GRK
8h 18m1 stop
$411American Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
American Airlines Logo
4:40 pm - 11:11 amGRK-SJU
17h 31m2 stops
American Airlines Logo
6:10 am - 10:32 pmSJU-GRK
17h 22m2 stops
$458American Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
American Airlines Logo
4:40 pm - 12:50 pmGRK-SJU
19h 10m2 stops
American Airlines Logo
1:37 pm - 11:27 pmSJU-GRK
10h 50m2 stops
$467American Airlines
Find Deal
Sat, Sep 20 - Thu, Sep 25
American Airlines Logo
12:19 pm - 11:37 pmGRK-SJU
10h 18m2 stops
American Airlines Logo
3:05 pm - 11:27 pmSJU-GRK
9h 22m1 stop
$495American Airlines
Find Deal
Sat, Sep 20 - Thu, Sep 25
American Airlines Logo
5:16 am - 2:25 pmGRK-SJU
8h 09m1 stop
American Airlines Logo
3:34 pm - 10:52 pmSJU-GRK
8h 18m1 stop
$508American Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
American Airlines Logo
5:16 am - 2:15 pmGRK-SJU
7h 59m1 stop
American Airlines Logo
6:10 am - 11:27 pmSJU-GRK
18h 17m2 stops
$527American Airlines
Find Deal
Sat, Sep 20 - Thu, Sep 25
American Airlines Logo
4:40 pm - 12:50 pmGRK-SJU
19h 10m2 stops
American Airlines Logo
7:05 pm - 11:04 amSJU-GRK
16h 59m2 stops
$555American Airlines
Find Deal
Fri, Sep 19 - Sun, Sep 28
American Airlines Logo
5:16 am - 2:25 pmGRK-SJU
8h 09m1 stop
American Airlines Logo
3:34 pm - 10:52 pmSJU-GRK
8h 18m1 stop
$558American Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
American Airlines Logo
4:40 pm - 2:53 pmGRK-SJU
21h 13m2 stops
American Airlines Logo
7:05 pm - 9:38 amSJU-GRK
15h 33m2 stops
$570American Airlines
Find Deal
Mon, Sep 15 - Sat, Sep 20

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
Oct 22
GRK6:09 pmKilleen Fort Hood Regional
17h 35m
2 stops
SJU12:44 pmSan Juan Luis Munoz Marin Intl
Oct 29
SJU7:05 amSan Juan Luis Munoz Marin Intl
16h 47m
2 stops
GRK10:52 pmKilleen Fort Hood Regional
$325
Find similar
American Airlines
Oct 22
GRK6:09 pmKilleen Fort Hood Regional
17h 35m
2 stops
SJU12:44 pmSan Juan Luis Munoz Marin Intl
Oct 29
SJU3:34 pmSan Juan Luis Munoz Marin Intl
8h 18m
1 stop
GRK10:52 pmKilleen Fort Hood Regional
$411
Find similar
American Airlines
Sep 16
GRK4:40 pmKilleen Fort Hood Regional
17h 31m
2 stops
SJU11:11 amSan Juan Luis Munoz Marin Intl
Sep 23
SJU6:10 amSan Juan Luis Munoz Marin Intl
17h 22m
2 stops
GRK10:32 pmKilleen Fort Hood Regional
$458
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 September 1, 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

Wed 10/22

6:09 pm-12:44 pm

2 stops17h 35m

San Juan Luis Munoz Marin Intl

Wed 10/29

7:05 am-10:52 pm

2 stops16h 47m

$325

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Wed 10/22

6:09 pm-12:44 pm

2 stops17h 35m

San Juan Luis Munoz Marin Intl

Wed 10/29

3:34 pm-10:52 pm

1 stop8h 18m

$411

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Tue 9/16

4:40 pm-11:11 am

2 stops17h 31m

San Juan Luis Munoz Marin Intl

Tue 9/23

6:10 am-10:32 pm

2 stops17h 22m

$458

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sat 9/20

4:40 pm-12:50 pm

2 stops19h 10m

San Juan Luis Munoz Marin Intl

Thu 9/25

1:37 pm-11:27 pm

2 stops10h 50m

$467

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sat 9/20

12:19 pm-11:37 pm

2 stops10h 18m

San Juan Luis Munoz Marin Intl

Thu 9/25

3:05 pm-11:27 pm

1 stop9h 22m

$495

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

3:34 pm-10:52 pm

1 stop8h 18m

$508

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sat 9/20

5:16 am-2:15 pm

1 stop7h 59m

San Juan Luis Munoz Marin Intl

Thu 9/25

6:10 am-11:27 pm

2 stops18h 17m

$527

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Fri 9/19

4:40 pm-12:50 pm

2 stops19h 10m

San Juan Luis Munoz Marin Intl

Sun 9/28

7:05 pm-11:04 am

2 stops16h 59m

$555

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

3:34 pm-10:52 pm

1 stop8h 18m

$558

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Mon 9/15

4:40 pm-2:53 pm

2 stops21h 13m

San Juan Luis Munoz Marin Intl

Sat 9/20

7:05 pm-9:38 am

2 stops15h 33m

$570

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest 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 January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $458.

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 62% 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

Direct flights

None
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 59m 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
10,000 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
Caguas
Humacao
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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