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Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pennsylvania to Decatur, Illinois as you normally would.
Related info for your journey
Useful info, stats and facts about Pennsylvania to Decatur flights.
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.
The cheapest flight price from Pennsylvania to Decatur, Illinois is $561. On average you can expect to pay $561. The most popular route, (Harrisburg - Decatur Arpt), can usually be booked for $394.
PHL stands for Philadelphia Airport, while DEC stands for Decatur Arpt Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Pittsburgh Airport (PIT), Harrisburg Airport (MDT), Allentown-Bethlehem Airport (ABE), Wilkes-Barre Scranton Airport (AVP), State College University Park Airport (SCE) are other airports near this flight route and their unique identifiers/IATA codes.