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Decatur

$207+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEC
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
1 adult, Economy
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Cheap 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 February 21, 2026.

This United Airlines deal was found by Cheapflights users on 2/18. 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 3/52:15 pm
LGA
-
DEC
1 stop4h 38m
United Airlines
Mon 3/99:50 am
DEC
-
LGA
1 stop7h 37m
United Airlines
Deal found 2/18$287
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/251:00 pm
DCA
-
DEC
1 stop5h 53m
United Airlines
Thu 4/29:52 am
DEC
-
DCA
1 stop4h 46m
United Airlines
Deal found 2/20$334
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/72:15 pm
LGA
-
DEC
1 stop4h 38m
United Airlines
Wed 3/119:50 am
DEC
-
LGA
1 stop5h 23m
United Airlines
Deal found 2/20$344
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/251:00 pm
DCA
-
DEC
1 stop5h 53m
United Airlines
Mon 4/67:25 pm
DEC
-
DCA
1 stop12h 31m
United Airlines
Deal found 2/20$374
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/62:15 pm
LGA
-
DEC
1 stop4h 38m
United Airlines
Tue 3/107:15 pm
DEC
-
LGA
1 stop19h 58m
United Airlines
Deal found 2/19$374
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/209:15 pm
LGA
-
DEC
1 stop21h 38m
United Airlines
Fri 3/277:15 pm
DEC
-
LGA
1 stop25h 21m
United Airlines
Deal found 2/20$390
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/216:10 am
LGA
-
DEC
1 stop27h 42m
United Airlines
Sat 3/287:15 pm
DEC
-
LGA
1 stop12h 58m
United Airlines
Deal found 2/20$393
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/307:30 am
DCA
-
DEC
1 stop11h 27m
United Airlines
Wed 4/89:52 am
DEC
-
DCA
1 stop6h 12m
United Airlines
Deal found 2/20$398
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Sun 3/226:10 am
LGA
-
DEC
1 stop27h 42m
United Airlines
Mon 3/237:15 pm
DEC
-
LGA
1 stop22h 12m
United Airlines
Deal found 2/20$406
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/312:00 pm
DCA
-
DEC
1 stop4h 57m
United Airlines
Fri 4/37:25 pm
DEC
-
DCA
1 stop14h 34m
United Airlines
Deal found 2/20$414
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/219:15 pm
LGA
-
DEC
1 stop12h 37m
United Airlines
Tue 3/247:15 pm
DEC
-
LGA
2 stops27h 29m
United Airlines
Deal found 2/20$424
This United Airlines deal was found by Cheapflights users on 2/17. 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 3/412:00 pm
DCA
-
DEC
1 stop6h 54m
United Airlines
Sun 3/89:50 am
DEC
-
DCA
1 stop4h 42m
United Airlines
Deal found 2/17$425

Find flight deals from Pennsylvania to Decatur

Keep the following information in mind while searching for Pennsylvania to Decatur flight deals. Data was last updated February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$287
(United Airlines)

One-way from

$207
(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
Search Deals
One-way flight from Pennsylvania to Decatur Arpt
Search Deals

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 February 21, 2026.
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

Thu 3/5

2:15 pm-5:53 pm

1 stop4h 38m

Decatur Arpt

Mon 3/9

9:50 am-6:27 pm

1 stop7h 37m

$287

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Wed 3/25

1:00 pm-5:53 pm

1 stop5h 53m

Decatur Arpt

Thu 4/2

9:52 am-3:38 pm

1 stop4h 46m

$334

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Fri 3/6

2:15 pm-5:53 pm

1 stop4h 38m

Decatur Arpt

Tue 3/10

7:15 pm-4:13 pm

1 stop19h 58m

$374

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Fri 3/20

9:15 pm-5:53 pm

1 stop21h 38m

Decatur Arpt

Fri 3/27

7:15 pm-9:36 pm

1 stop25h 21m

$390

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Sat 3/21

6:10 am-8:52 am

1 stop27h 42m

Decatur Arpt

Sat 3/28

7:15 pm-9:13 am

1 stop12h 58m

$393

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Sun 3/22

6:10 am-8:52 am

1 stop27h 42m

Decatur Arpt

Mon 3/23

7:15 pm-6:27 pm

1 stop22h 12m

$406

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Tue 3/31

2:00 pm-5:57 pm

1 stop4h 57m

Decatur Arpt

Fri 4/3

7:25 pm-10:59 am

1 stop14h 34m

$414

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Wed 3/4

12:00 pm-5:54 pm

1 stop6h 54m

Decatur Arpt

Sun 3/8

9:50 am-3:32 pm

1 stop4h 42m

$425

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Fri 3/27

1:00 pm-5:53 pm

1 stop5h 53m

Decatur Arpt

Wed 4/8

9:52 am-3:38 pm

1 stop4h 46m

$498

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Tue 8/4

8:10 pm-8:46 am

1 stop13h 36m

Decatur Arpt

Thu 8/6

9:42 am-7:10 pm

1 stop8h 28m

$526

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 20 results
1
2

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 $287, United Airlines can have you in Decatur, Illinois from Pennsylvania in 4h 38m. 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 Washington, D.C. Reagan-National - Decatur Arpt or Harrisburg - Decatur Arpt, New York LaGuardia - 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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