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Decatur

$249+ 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEC
nov. 21 — nov. 281
vie. 11/21
vie. 11/28
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 octubre 22, 2025.

This United Airlines deal was found by Cheapflights users on 10/21. 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.
jue. 11/611:15 amLGA - DEC
1 stop7h 37mUnited Airlines
dom. 1/189:49 amDEC - LGA
1 stop5h 25mUnited Airlines
Deal found 10/21$249
This United Airlines deal was found by Cheapflights users on 10/21. 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.
mié. 11/52:15 pmLGA - DEC
1 stop4h 37mUnited Airlines
dom. 1/189:49 amDEC - LGA
1 stop4h 34mUnited Airlines
Deal found 10/21$309
This United Airlines deal was found by Cheapflights users on 10/20. 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.
lun. 11/171:00 pmDCA - DEC
1 stop5h 52mUnited Airlines
lun. 11/249:44 amDEC - DCA
1 stop6h 12mUnited Airlines
Deal found 10/20$314
This United Airlines deal was found by Cheapflights users on 10/19. 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.
mar. 11/412:00 pmDCA - DEC
1 stop6h 52mUnited Airlines
sáb. 11/87:08 pmDEC - DCA
1 stop3h 51mUnited Airlines
Deal found 10/19$324
This United Airlines deal was found by Cheapflights users on 10/21. 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.
mié. 11/51:15 pmLGA - DEC
1 stop5h 37mUnited Airlines
sáb. 1/177:09 pmDEC - LGA
1 stop16h 04mUnited Airlines
Deal found 10/21$328
This United Airlines deal was found by Cheapflights users on 10/21. 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.
mié. 11/52:15 pmLGA - DEC
1 stop4h 37mUnited Airlines
sáb. 11/87:08 pmDEC - LGA
1 stop12h 59mUnited Airlines
Deal found 10/21$340
This United Airlines deal was found by Cheapflights users on 10/21. 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.
mié. 11/52:15 pmLGA - DEC
1 stop4h 37mUnited Airlines
vie. 11/77:08 pmDEC - LGA
1 stop25h 38mUnited Airlines
Deal found 10/21$350
This United Airlines deal was found by Cheapflights users on 10/22. 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.
dom. 11/91:00 pmDCA - DEC
1 stop5h 52mUnited Airlines
dom. 11/167:08 pmDEC - DCA
1 stop3h 51mUnited Airlines
Deal found 10/22$410
This United Airlines deal was found by Cheapflights users on 10/21. 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.
jue. 11/66:00 amLGA - DEC
2 stops12h 52mUnited Airlines
sáb. 11/87:08 pmDEC - LGA
2 stops27h 22mUnited Airlines
Deal found 10/21$442
This United Airlines deal was found by Cheapflights users on 10/21. 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.
mié. 11/511:15 amLGA - DEC
1 stop7h 37mUnited Airlines
dom. 11/99:44 amDEC - LGA
1 stop4h 27mUnited Airlines
Deal found 10/21$470
This United Airlines deal was found by Cheapflights users on 10/21. 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.
mié. 11/127:30 amDCA - DEC
1 stop11h 22mUnited Airlines
jue. 11/137:08 pmDEC - DCA
1 stop18h 02mUnited Airlines
Deal found 10/21$511

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 octubre 22, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$249
(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

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 octubre 22, 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

mié. 11/5

2:15 pm-5:52 pm

1 stop4h 37m

Decatur Arpt

dom. 1/18

9:49 am-3:23 pm

1 stop4h 34m

$309

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

sáb. 11/8

2:15 pm-5:52 pm

1 stop4h 37m

Decatur Arpt

mié. 11/12

9:44 am-5:07 pm

1 stop6h 23m

$309

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

lun. 11/17

1:00 pm-5:52 pm

1 stop5h 52m

Decatur Arpt

lun. 11/24

9:44 am-4:56 pm

1 stop6h 12m

$314

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

mié. 2/11

2:00 pm-6:01 pm

1 stop5h 01m

Decatur Arpt

dom. 2/15

9:50 am-3:32 pm

1 stop4h 42m

$314

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

mar. 11/4

12:00 pm-5:52 pm

1 stop6h 52m

Decatur Arpt

sáb. 11/8

7:08 pm-11:59 pm

1 stop3h 51m

$324

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

jue. 11/6

1:00 pm-5:52 pm

1 stop5h 52m

Decatur Arpt

lun. 11/10

9:44 am-3:38 pm

1 stop4h 54m

$324

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

mié. 11/5

1:15 pm-5:52 pm

1 stop5h 37m

Decatur Arpt

sáb. 1/17

7:09 pm-12:13 pm

1 stop16h 04m

$328

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

jue. 11/6

11:15 am-5:52 pm

1 stop7h 37m

Decatur Arpt

sáb. 1/17

7:09 pm-9:08 am

1 stop12h 59m

$328

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

jue. 11/6

11:15 am-5:52 pm

1 stop7h 37m

Decatur Arpt

sáb. 11/8

7:08 pm-9:07 am

1 stop12h 59m

$340

New YorkDecatur

LGA - DEC

LGADEC

New York LaGuardia

mié. 11/5

2:15 pm-5:52 pm

1 stop4h 37m

Decatur Arpt

sáb. 11/8

7:08 pm-9:07 am

1 stop12h 59m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

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 $309, United Airlines can have you in Decatur, Illinois from Pennsylvania in 4h 37m. 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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Alternative routes for Pennsylvania to Decatur

See prices for flight routes from nearby airports that may be better suited for you.
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