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$303+ Cheap flights from Decatur, IL (DEC) to Puerto Rico

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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — SJU
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/239:44 amDEC - SJU
2 stops12h 52mUnited Airlines
Fri 12/262:05 amSJU - DEC
2 stops17h 54mUnited Airlines
Deal found 12/15$890
This United Airlines deal was found by Cheapflights users on 12/15. 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 stops12h 52mUnited Airlines
Wed 12/312:05 amSJU - DEC
2 stops17h 54mUnited Airlines
Deal found 12/15$1,087

Find 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 December 15, 2025.

Round-trip from

$485
(United Airlines)

One-way from

$303
(United Airlines)
From Decatur Arpt to Puerto Rico
Search Deals
One-way flight from Decatur Arpt to Puerto Rico
Search Deals

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 December 15, 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 4/8

9:42 am-9:24 pm

2 stops10h 42m

San Juan Luis Munoz Marin Intl

Wed 4/15

7:20 am-5:51 pm

2 stops11h 31m

$485

DecaturSan Juan

DEC - SJU

DECSJU

Decatur Arpt

Wed 4/8

9:42 am-8:34 pm

1 stop9h 52m

San Juan Luis Munoz Marin Intl

Tue 4/14

7:20 am-5:51 pm

2 stops11h 31m

$530

DecaturSan Juan

DEC - SJU

DECSJU

Decatur Arpt

Mon 4/6

9:42 am-8:34 pm

1 stop9h 52m

San Juan Luis Munoz Marin Intl

Wed 4/15

7:20 am-5:51 pm

2 stops11h 31m

$545

DecaturSan Juan

DEC - SJU

DECSJU

Decatur Arpt

Thu 4/9

9:42 am-8:34 pm

1 stop9h 52m

San Juan Luis Munoz Marin Intl

Wed 4/15

7:20 am-5:51 pm

2 stops11h 31m

$545

DecaturSan Juan

DEC - SJU

DECSJU

Decatur Arpt

Wed 4/8

9:42 am-8:34 pm

1 stop9h 52m

San Juan Luis Munoz Marin Intl

Thu 4/16

3:56 pm-8:51 am

1 stop17h 55m

$557

DecaturSan Juan

DEC - SJU

DECSJU

Decatur Arpt

Fri 4/10

9:42 am-8:34 pm

1 stop9h 52m

San Juan Luis Munoz Marin Intl

Wed 4/15

7:20 am-5:51 pm

2 stops11h 31m

$565

DecaturSan Juan

DEC - SJU

DECSJU

Decatur Arpt

Tue 4/7

6:55 pm-8:34 pm

1 stop24h 39m

San Juan Luis Munoz Marin Intl

Wed 4/15

7:20 am-5:51 pm

2 stops11h 31m

$573

DecaturSan Juan

DEC - SJU

DECSJU

Decatur Arpt

Thu 4/9

9:42 am-8:34 pm

1 stop9h 52m

San Juan Luis Munoz Marin Intl

Tue 4/14

7:20 am-5:51 pm

2 stops11h 31m

$590

DecaturSan Juan

DEC - SJU

DECSJU

Decatur Arpt

Thu 4/9

9:42 am-8:34 pm

1 stop9h 52m

San Juan Luis Munoz Marin Intl

Thu 4/16

3:56 pm-8:51 am

1 stop17h 55m

$617

DecaturSan Juan

DEC - SJU

DECSJU

Decatur Arpt

Tue 4/7

6:55 pm-8:34 pm

1 stop24h 39m

San Juan Luis Munoz Marin Intl

Tue 4/14

3:56 pm-8:51 am

1 stop17h 55m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 13 results
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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 9h 52m. 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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