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$455+ Cheap flights from Decatur, IL (DEC) to Puerto Rico

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — SJU
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Decatur to Puerto Rico

Keep the following information in mind while searching for Decatur to Puerto Rico flight deals. Data was last updated October 28, 2025.

Round-trip from

$455
(United Airlines)
From Decatur Arpt to Puerto Rico
Search Deals

Find flight deals from Decatur to Puerto Rico

Cheapest flights from Decatur to Puerto Rico
Explore the most affordable flight options available from Decatur to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:49 amDEC - SJU
2 stops10h 33mUnited Airlines
Sun 12/142:05 amSJU - DEC
2 stops17h 47mUnited Airlines
Deal found 10/28$638
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:44 amDEC - SJU
2 stops18h 27mUnited Airlines
Thu 1/18:10 amSJU - DEC
1 stop11h 49mUnited Airlines
Deal found 10/28$1,087

Cheapflights Fare Finder

 
Customize your flight search to find flights from Decatur 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, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Decatur to Puerto Rico that are best for you.

Fly from

Decatur

Fly to

Puerto Rico

Route

Depart

Return

Price

DecaturSan Juan

DEC - SJU

DECSJU

Decatur Arpt

Wed 1/21

9:49 am-12:36 am

2 stops12h 47m

San Juan Luis Munoz Marin Intl

Wed 1/28

3:46 pm-9:05 am

2 stops19h 19m

$455

DecaturSan Juan

DEC - SJU

DECSJU

Decatur Arpt

Wed 12/10

9:49 am-10:22 pm

2 stops10h 33m

San Juan Luis Munoz Marin Intl

Sun 12/14

2:05 am-5:52 pm

2 stops17h 47m

$638

DecaturSan Juan

DEC - SJU

DECSJU

Decatur Arpt

Tue 3/10

7:09 pm-2:40 pm

1 stop18h 31m

San Juan Luis Munoz Marin Intl

Wed 3/11

4:50 pm-8:52 am

2 stops17h 02m

$679

DecaturSan Juan

DEC - SJU

DECSJU

Decatur Arpt

Fri 11/21

9:44 am-9:00 pm

1 stop9h 16m

$458

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Best time to book a flight from Decatur to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Decatur 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 Decatur to Puerto Rico
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Decatur to Puerto Rico. 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 Decatur to Puerto Rico?

    For a flight from Decatur to Puerto Rico, you will be flying from Decatur Arpt. Decatur Arpt (DEC) is just 4.7 mi from the center of the city.

  • How long is the flight from Decatur, Illinois to Puerto Rico?

    United Airlines can get you from Decatur, Illinois to Puerto Rico in just under 12h 47m. Your travel time can differ by up to . The distance between Decatur, Illinois and Puerto Rico is about 2009 mi.

  • Can I find deals for flights from Decatur to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Decatur to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Decatur to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Decatur to Puerto Rico.

  • Can I find deals for business class flights from Decatur to Puerto Rico?

    Yes. Cheapflights offers flight deals from Decatur to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Decatur to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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