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Cheap flights from Killeen to Puerto Rico 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 Puerto Rico 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.
1 adult
0 bags

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Find the cheapest flights from Killeen to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:05 am - 12:44 amGRK-SJU
16h 39m2 stops
American Airlines Logo
7:00 am - 9:05 pmSJU-GRK
16h 05m1 stop
$301American Airlines
Find Deal
Fri, Nov 28 - Tue, Dec 9
American Airlines Logo
4:10 pm - 10:09 amGRK-SJU
15h 59m2 stops
American Airlines Logo
7:00 am - 10:18 pmSJU-GRK
17h 18m1 stop
$341American Airlines
Find Deal
Mon, Dec 8 - Sat, Dec 13
American Airlines Logo
6:09 pm - 11:06 amGRK-SJU
15h 57m2 stops
American Airlines Logo
3:34 pm - 10:52 pmSJU-GRK
8h 18m1 stop
$362American Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
American Airlines Logo
6:05 am - 12:44 amGRK-SJU
16h 39m2 stops
American Airlines Logo
6:42 pm - 10:14 amSJU-GRK
17h 32m2 stops
$386American Airlines
Find Deal
Fri, Nov 28 - Mon, Dec 8
American Airlines Logo
4:10 pm - 6:10 amGRK-SJU
12h 00m1 stop
American Airlines Logo
7:00 am - 6:24 pmSJU-GRK
13h 24m1 stop
$427American Airlines
Find Deal
Sat, Nov 29 - Tue, Dec 9
American Airlines Logo
4:10 pm - 10:09 amGRK-SJU
15h 59m2 stops
American Airlines Logo
6:00 am - 6:24 pmSJU-GRK
14h 24m2 stops
$487American Airlines
Find Deal
Mon, Dec 8 - Sat, Dec 13
American Airlines Logo
6:05 am - 12:44 amGRK-SJU
16h 39m2 stops
American Airlines Logo
7:00 am - 6:24 pmSJU-GRK
13h 24m1 stop
$498American Airlines
Find Deal
Fri, Nov 28 - Mon, Dec 8
American Airlines Logo
4:10 pm - 6:10 amGRK-SJU
12h 00m1 stop
American Airlines Logo
12:49 pm - 10:18 pmSJU-GRK
11h 29m2 stops
$514American Airlines
Find Deal
Sat, Nov 29 - Mon, Dec 8
American Airlines Logo
5:16 am - 3:54 pmGRK-SJU
9h 38m2 stops
American Airlines Logo
3:34 pm - 9:33 pmSJU-GRK
6h 59m1 stop
$530American Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
American Airlines Logo
6:05 am - 12:44 amGRK-SJU
16h 39m2 stops
American Airlines Logo
7:00 am - 9:33 pmSJU-GRK
16h 33m1 stop
$548American Airlines
Find Deal
Fri, Nov 28 - Sun, Dec 7

American Airlines flights from Killeen to Puerto Rico

Our best American Airlines deals on Killeen to Puerto Rico flight tickets
American Airlines
Nov 28
GRK6:05 amKilleen Fort Hood Regional
16h 39m
2 stops
SJU12:44 amSan Juan Luis Munoz Marin Intl
Dec 9
SJU7:00 amSan Juan Luis Munoz Marin Intl
16h 05m
1 stop
GRK9:05 pmKilleen Fort Hood Regional
$301
Find similar
American Airlines
Dec 8
GRK4:10 pmKilleen Fort Hood Regional
15h 59m
2 stops
SJU10:09 amSan Juan Luis Munoz Marin Intl
Dec 13
SJU7:00 amSan Juan Luis Munoz Marin Intl
17h 18m
1 stop
GRK10:18 pmKilleen Fort Hood Regional
$341
Find similar
American Airlines
Oct 22
GRK6:09 pmKilleen Fort Hood Regional
15h 57m
2 stops
SJU11:06 amSan 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
$362
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Killeen to Puerto Rico 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 October 9, 2025.
Use the filters below to find and compare flights from Killeen to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Fri 11/28

6:05 am-12:44 am

2 stops16h 39m

San Juan Luis Munoz Marin Intl

Tue 12/9

7:00 am-9:05 pm

1 stop16h 05m

$301

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Mon 12/8

4:10 pm-10:09 am

2 stops15h 59m

San Juan Luis Munoz Marin Intl

Sat 12/13

7:00 am-10:18 pm

1 stop17h 18m

$341

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Wed 10/22

6:09 pm-11:06 am

2 stops15h 57m

San Juan Luis Munoz Marin Intl

Wed 10/29

3:34 pm-10:52 pm

1 stop8h 18m

$362

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Fri 11/28

6:05 am-12:44 am

2 stops16h 39m

San Juan Luis Munoz Marin Intl

Mon 12/8

6:42 pm-10:14 am

2 stops17h 32m

$386

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sat 11/29

4:10 pm-6:10 am

1 stop12h 00m

San Juan Luis Munoz Marin Intl

Tue 12/9

7:00 am-6:24 pm

1 stop13h 24m

$427

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Mon 12/8

4:10 pm-10:09 am

2 stops15h 59m

San Juan Luis Munoz Marin Intl

Sat 12/13

6:00 am-6:24 pm

2 stops14h 24m

$487

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Fri 11/28

6:05 am-12:44 am

2 stops16h 39m

San Juan Luis Munoz Marin Intl

Mon 12/8

7:00 am-6:24 pm

1 stop13h 24m

$498

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Sat 11/29

4:10 pm-6:10 am

1 stop12h 00m

San Juan Luis Munoz Marin Intl

Mon 12/8

12:49 pm-10:18 pm

2 stops11h 29m

$514

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Wed 10/22

5:16 am-3:54 pm

2 stops9h 38m

San Juan Luis Munoz Marin Intl

Wed 10/29

3:34 pm-9:33 pm

1 stop6h 59m

$530

KilleenSan Juan

GRK - SJU

GRKSJU

Killeen Fort Hood Regional

Fri 11/28

6:05 am-12:44 am

2 stops16h 39m

San Juan Luis Munoz Marin Intl

Sun 12/7

7:00 am-9:33 pm

1 stop16h 33m

$548

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Killeen to Puerto Rico

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 Puerto Rico?

If you don’t want to visit Puerto Rico in September, then you should wait until January to fly from Killeen, when ticket prices are also cheap, with an average price of $396.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico 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. The most expensive day to fly to Puerto Rico is Saturday, with ticket prices averaging around $674.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the afternoon. Flights from Killeen to Puerto Rico during this time can be as low as $466. In contrast, the most expensive time of day to depart to Puerto Rico is at noon when prices are around $713.

Can stopping save me money on Killeen to Puerto Rico flights?

You could potentially save up to 3% on your flight if you consider stops on a Killeen to Puerto Rico flight.

Cheap Killeen to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Killeen to Puerto Rico

Direct flights

None
There are no direct flights from Killeen to Puerto Rico. There are no popular flight routes from Killeen to Puerto Rico.
Search flight deals

  • When did momondo last update prices for flights from Killeen Fort Hood Regional Airport to Puerto Rico?

    Prices for flights from Killeen Fort Hood Regional Airport to Puerto Rico are updated daily.

  • How many operators does momondo search for flights from Killeen Fort Hood Regional Airport to Puerto Rico?

  • How old do you have to be to fly from Killeen Fort Hood Regional Airport to Puerto Rico?

    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 Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The travel and health documents you'll need for your trip to Puerto Rico may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Puerto Rico. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Killeen to Puerto Rico

Compare and see reviews for airlines that fly from Killeen to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $338Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Killeen to Puerto Rico?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Killeen to Puerto Rico for you.

Can I find flights from Killeen to Puerto Rico with flexible booking policies on momondo?

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

How can momondo help me find flights from Killeen to Puerto Rico?

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 Puerto Rico from Killeen.

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

Yes. momondo can track prices for Killeen to Puerto Rico 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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