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Decatur

$244+ Cheap flights from Pennsylvania to Decatur, IL (DEC)

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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEC
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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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 November 13, 2025.

This United Airlines deal was found by Cheapflights users on 11/12. 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 12/41:15 pmLGA - DEC
1 stop5h 37mUnited Airlines
Wed 12/109:49 amDEC - LGA
1 stop5h 22mUnited Airlines
Deal found 11/12$245
This United Airlines deal was found by Cheapflights users on 11/13. 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.
Mon 11/2412:00 pmDCA - DEC
1 stop6h 52mUnited Airlines
Fri 11/289:44 amDEC - DCA
1 stop4h 54mUnited Airlines
Deal found 11/13$374
This United Airlines deal was found by Cheapflights users on 11/12. 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
Tue 12/27:08 pmDEC - DCA
1 stop3h 51mUnited Airlines
Deal found 11/12$389
This United Airlines deal was found by Cheapflights users on 11/13. 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 11/2012:00 pmDCA - DEC
1 stop6h 52mUnited Airlines
Sun 11/237:08 pmDEC - DCA
1 stop3h 51mUnited Airlines
Deal found 11/13$404
This United Airlines deal was found by Cheapflights users on 11/13. 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 11/281:15 pmLGA - DEC
1 stop5h 37mUnited Airlines
Tue 12/27:08 pmDEC - LGA
1 stop21h 59mUnited Airlines
Deal found 11/13$506
This United Airlines deal was found by Cheapflights users on 11/13. 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 11/2512:00 pmDCA - DEC
1 stop6h 52mUnited Airlines
Sun 11/307:08 pmDEC - DCA
1 stop14h 45mUnited Airlines
Deal found 11/13$564
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/262:00 pmDCA - DEC
1 stop4h 52mUnited Airlines
Sun 11/307:08 pmDEC - DCA
1 stop13h 45mUnited Airlines
Deal found 11/11$630
This United Airlines deal was found by Cheapflights users on 11/10. 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 11/115:40 pmMDT - DEC
1 stop16h 08mUnited Airlines
Sat 11/157:08 pmDEC - MDT
1 stop13h 58mUnited Airlines
Deal found 11/10$646
This United Airlines deal was found by Cheapflights users on 11/13. 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 12/194:15 pmLGA - DEC
1 stop17h 50mUnited Airlines
Sun 12/289:44 amDEC - LGA
1 stop23h 24mUnited Airlines
Deal found 11/13$738
This United Airlines deal was found by Cheapflights users on 11/13. 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 12/199:15 pmLGA - DEC
1 stop12h 50mUnited Airlines
Sat 12/277:09 pmDEC - LGA
2 stops18h 00mUnited Airlines
Deal found 11/13$805

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 November 13, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$244
(United Airlines)
Provider with most accurate pricing for Philadelphia-Decatur Arpt flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Decatur Arpt flights.
Search Deals
From Pennsylvania to Decatur Arpt
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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 November 13, 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

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Sat 1/17

11:15 am-6:01 pm

1 stop7h 46m

Decatur Arpt

Sun 1/18

9:49 am-4:14 pm

1 stop5h 25m

$244

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Sat 4/25

2:00 pm-5:51 pm

1 stop4h 51m

Decatur Arpt

Wed 4/29

9:42 am-3:18 pm

1 stop4h 36m

$244

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Thu 12/4

1:15 pm-5:52 pm

1 stop5h 37m

Decatur Arpt

Wed 12/10

9:49 am-4:11 pm

1 stop5h 22m

$245

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Mon 11/24

12:00 pm-5:52 pm

1 stop6h 52m

Decatur Arpt

Fri 11/28

9:44 am-3:38 pm

1 stop4h 54m

$374

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Wed 4/1

1:00 pm-5:51 pm

1 stop5h 51m

Decatur Arpt

Sat 4/4

6:55 pm-9:15 am

1 stop13h 20m

$430

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Fri 11/28

11:13 am-5:52 pm

1 stop7h 39m

Decatur Arpt

Tue 12/2

7:08 pm-2:14 pm

2 stops18h 06m

$525

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Tue 11/25

12:00 pm-5:52 pm

1 stop6h 52m

Decatur Arpt

Sun 11/30

7:08 pm-10:53 am

1 stop14h 45m

$564

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Wed 11/26

2:00 pm-5:52 pm

1 stop4h 52m

Decatur Arpt

Sun 11/30

7:08 pm-9:53 am

1 stop13h 45m

$630

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Sun 12/21

7:10 am-9:05 am

1 stop26h 55m

$350

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Sun 11/30

7:30 am-5:52 pm

1 stop11h 22m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

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 7h 46m. Pennsylvania and Decatur, Illinois are separated by a distance of 791 mi.

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

    While some choose either New York LaGuardia - Decatur Arpt or Harrisburg - 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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See prices for flight routes from nearby airports that may be better suited for you.
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