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Decatur

$202+ Cheap flights from Pennsylvania to Decatur, IL (DEC)

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEC
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Pennsylvania to Decatur

Keep the following information in mind while searching for Pennsylvania to Decatur flight deals. Data was last updated September 16, 2025.

Round-trip from

$244
(United Airlines)

One-way from

$202
(United Airlines)
From Pennsylvania to Decatur Arpt
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One-way flight from Pennsylvania to Decatur Arpt
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Find flight deals from Pennsylvania to Decatur

Cheapest flights from Pennsylvania to Decatur
Explore the most affordable flight options available from Pennsylvania to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 11/131:00 pmDCA - DEC
1 stop5h 52mUnited Airlines
Mon 11/177:08 pmDEC - DCA
1 stop3h 51mUnited Airlines
Deal found 9/15$244
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/152:20 pmLGA - DEC
1 stop4h 44mUnited Airlines
Tue 10/219:38 amDEC - LGA
1 stop4h 35mUnited Airlines
Deal found 9/16$244
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/1312:00 pmDCA - DEC
1 stop6h 52mUnited Airlines
Sun 11/169:44 amDEC - DCA
1 stop4h 54mUnited Airlines
Deal found 9/15$285
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:15 pmLGA - DEC
1 stop5h 37mUnited Airlines
Thu 11/69:44 amDEC - LGA
1 stop6h 23mUnited Airlines
Deal found 9/15$292
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 11/11:15 pmLGA - DEC
1 stop5h 37mUnited Airlines
Mon 11/39:44 amDEC - LGA
1 stop4h 27mUnited Airlines
Deal found 9/15$304
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/312:00 pmDCA - DEC
1 stop4h 52mUnited Airlines
Fri 11/79:44 amDEC - DCA
1 stop6h 12mUnited Airlines
Deal found 9/16$314
This United Airlines deal was found by Cheapflights users on 9/16. 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 9/171:18 pmLGA - DEC
1 stop5h 41mUnited Airlines
Tue 9/239:42 amDEC - LGA
1 stop4h 31mUnited Airlines
Deal found 9/16$359
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/217:29 pmLGA - DEC
2 stops14h 22mUnited Airlines
Mon 10/279:44 amDEC - LGA
1 stop6h 23mUnited Airlines
Deal found 9/14$380
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/112:00 pmDCA - DEC
1 stop7h 04mUnited Airlines
Sun 10/59:38 amDEC - DCA
1 stop5h 13mUnited Airlines
Deal found 9/16$392
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 11/1412:00 pmDCA - DEC
1 stop6h 52mUnited Airlines
Sun 11/167:08 pmDEC - DCA
1 stop12h 50mUnited Airlines
Deal found 9/15$397
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 9/191:00 pmDCA - DEC
1 stop5h 59mUnited Airlines
Sat 9/209:42 amDEC - DCA
1 stop6h 19mUnited Airlines
Deal found 9/14$404
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/191:00 pmDCA - DEC
1 stop5h 52mUnited Airlines
Sat 11/227:08 pmDEC - DCA
1 stop3h 51mUnited Airlines
Deal found 9/14$428

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Decatur 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 September 16, 2025.
Use the filters below to find and compare flights from Pennsylvania to Decatur that are best for you.

Fly from

Pennsylvania

Fly to

Decatur

Route

Depart

Return

Price

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Thu 11/13

1:00 pm-5:52 pm

1 stop5h 52m

Decatur Arpt

Mon 11/17

7:08 pm-11:59 pm

1 stop3h 51m

$244

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Fri 11/14

12:00 pm-5:52 pm

1 stop6h 52m

Decatur Arpt

Mon 11/17

9:44 am-3:38 pm

1 stop4h 54m

$244

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Wed 10/15

2:20 pm-6:04 pm

1 stop4h 44m

Decatur Arpt

Tue 10/21

9:38 am-3:13 pm

1 stop4h 35m

$244

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Thu 11/13

12:00 pm-5:52 pm

1 stop6h 52m

Decatur Arpt

Sun 11/16

9:44 am-3:38 pm

1 stop4h 54m

$285

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Thu 10/30

1:15 pm-5:52 pm

1 stop5h 37m

Decatur Arpt

Thu 11/6

9:44 am-5:07 pm

1 stop6h 23m

$292

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Sat 11/1

1:15 pm-5:52 pm

1 stop5h 37m

Decatur Arpt

Mon 11/3

9:44 am-3:11 pm

1 stop4h 27m

$304

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Fri 10/31

2:00 pm-5:52 pm

1 stop4h 52m

Decatur Arpt

Fri 11/7

9:44 am-4:56 pm

1 stop6h 12m

$314

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Wed 11/19

1:00 pm-5:52 pm

1 stop5h 52m

Decatur Arpt

Sun 11/23

9:44 am-3:38 pm

1 stop4h 54m

$314

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Tue 10/21

6:30 pm-8:51 am

1 stop15h 21m

Decatur Arpt

Mon 10/27

9:44 am-5:07 pm

1 stop6h 23m

$359

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Wed 10/1

12:00 pm-6:04 pm

1 stop7h 04m

Decatur Arpt

Sun 10/5

9:38 am-3:51 pm

1 stop5h 13m

$392

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 19 results
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Best time to book a flight from Pennsylvania to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur from Pennsylvania 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 Pennsylvania to Decatur
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 Pennsylvania to Decatur. 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 into for flights to Decatur from Pennsylvania?

    Decatur Arpt (DEC), located 4.7 mi from the city center, is the airport you fly into when you book flights from Pennsylvania to Decatur.

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

    For as low as $244, United Airlines can have you in Decatur, Illinois from Pennsylvania in 5h 52m. Pennsylvania and Decatur, Illinois are separated by a distance of 635 mi.

  • What are the most popular routes from Pennsylvania to Decatur, Illinois?

    While some choose either Harrisburg - Decatur Arpt or New York LaGuardia - Decatur Arpt, Washington, D.C. Reagan-National - Decatur Arpt is the most popular route from Pennsylvania to Decatur, Illinois.

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

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

  • How can I find direct flights from Pennsylvania to Decatur?

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania to Decatur 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

Traveling to a place near Decatur?

Book flights to Decatur if you plan to visit one of these locations
Mattoon
Effingham

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