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Decatur

$221+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEC
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/20. 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 10/272:00 pm
DCA
-
DEC
1 stop4h 51m
United Airlines
Sat 10/316:55 pm
DEC
-
DCA
1 stop4h 01m
United Airlines
Deal found 1/20$335
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/1111:15 am
LGA
-
DEC
1 stop7h 46m
United Airlines
Wed 2/189:50 am
DEC
-
LGA
1 stop5h 23m
United Airlines
Deal found 1/21$335
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 2/1211:15 am
LGA
-
DEC
1 stop7h 39m
United Airlines
Wed 2/189:50 am
DEC
-
LGA
1 stop5h 23m
United Airlines
Deal found 1/20$337
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/42:15 pm
DCA
-
DEC
1 stop4h 46m
United Airlines
Sun 2/89:49 am
DEC
-
DCA
1 stop4h 43m
United Airlines
Deal found 1/20$345
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/31:15 pm
LGA
-
DEC
1 stop5h 46m
United Airlines
Fri 2/69:49 am
DEC
-
LGA
1 stop24h 24m
United Airlines
Deal found 1/20$356
This United Airlines deal was found by Cheapflights users on 1/20. 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 1/3011:15 am
LGA
-
DEC
1 stop7h 46m
United Airlines
Sun 2/159:50 am
DEC
-
LGA
1 stop4h 29m
United Airlines
Deal found 1/20$370
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/206:29 am
MDT
-
DEC
1 stop12h 25m
United Airlines
Wed 2/259:50 am
DEC
-
MDT
1 stop5h 54m
United Airlines
Deal found 1/20$381
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/212:07 pm
MDT
-
DEC
1 stop4h 47m
United Airlines
Thu 2/269:50 am
DEC
-
MDT
1 stop23h 14m
United Airlines
Deal found 1/20$416
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 1/2211:15 am
LGA
-
DEC
1 stop7h 46m
United Airlines
Sun 1/259:49 am
DEC
-
LGA
1 stop7h 34m
United Airlines
Deal found 1/20$435
This United Airlines deal was found by Cheapflights users on 1/20. 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 2/221:00 pm
DCA
-
DEC
1 stop5h 54m
United Airlines
Sat 2/287:15 pm
DEC
-
DCA
1 stop16h 52m
United Airlines
Deal found 1/20$440
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/2712:00 pm
DCA
-
DEC
1 stop6h 54m
United Airlines
Sun 3/19:50 am
DEC
-
DCA
1 stop4h 42m
United Airlines
Deal found 1/21$449
This United Airlines deal was found by Cheapflights users on 1/20. 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 1/315:26 pm
MDT
-
DEC
1 stop25h 35m
United Airlines
Thu 2/59:49 am
DEC
-
MDT
1 stop5h 45m
United Airlines
Deal found 1/20$461

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$335
(United Airlines)

One-way from

$221
(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 January 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

9:10 am-5:53 pm

1 stop9h 43m

Decatur Arpt

Mon 3/9

9:50 am-4:13 pm

1 stop5h 23m

$335

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Wed 2/11

11:15 am-6:01 pm

1 stop7h 46m

Decatur Arpt

Wed 2/18

9:50 am-4:13 pm

1 stop5h 23m

$335

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Thu 2/12

11:15 am-5:54 pm

1 stop7h 39m

Decatur Arpt

Wed 2/18

9:50 am-4:13 pm

1 stop5h 23m

$337

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Wed 2/4

2:15 pm-6:01 pm

1 stop4h 46m

Decatur Arpt

Sun 2/8

9:49 am-3:32 pm

1 stop4h 43m

$345

HarrisburgDecatur

MDT - DEC

MDTDEC

Harrisburg

Fri 2/20

6:29 am-5:54 pm

1 stop12h 25m

Decatur Arpt

Wed 2/25

9:50 am-4:44 pm

1 stop5h 54m

$381

HarrisburgDecatur

MDT - DEC

MDTDEC

Harrisburg

Sat 2/21

2:07 pm-5:54 pm

1 stop4h 47m

Decatur Arpt

Thu 2/26

9:50 am-10:04 am

1 stop23h 14m

$416

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Sun 2/22

1:00 pm-5:54 pm

1 stop5h 54m

Decatur Arpt

Sat 2/28

7:15 pm-1:07 pm

1 stop16h 52m

$440

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Fri 2/27

12:00 pm-5:54 pm

1 stop6h 54m

Decatur Arpt

Sun 3/1

9:50 am-3:32 pm

1 stop4h 42m

$449

HarrisburgDecatur

MDT - DEC

MDTDEC

Harrisburg

Sat 1/31

5:26 pm-6:01 pm

1 stop25h 35m

Decatur Arpt

Thu 2/5

9:49 am-4:34 pm

1 stop5h 45m

$461

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

Fri 4/24

11:20 am-6:02 pm

1 stop7h 42m

Decatur Arpt

Sun 4/26

9:52 am-6:18 pm

1 stop7h 26m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 18 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 $335, United Airlines can have you in Decatur, Illinois from Pennsylvania in 9h 43m. 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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See prices for flight routes from nearby airports that may be better suited for you.
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