Cheap Flights from Pittsburgh (PIT) to Decatur (DEC)

Popular airlines from Pittsburgh to Decatur, IL (DEC)

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Cheap Flights from Pittsburgh to Decatur (PIT-DEC)

Prices were available within the past 7 days and start at for one-way flights and $245 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Pittsburgh (PIT) to Decatur (DEC)
Origin airport
Pittsburgh Intl.
Destination airport
Decatur
Airlines serving
United
Roundtrip price
$244
Distance
457 mi

Pittsburgh to Decatur Flights

The cheapest times to fly from Pittsburgh to Decatur

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Pittsburgh to Decatur are during the month of February. You can find some of the cheapest flights from Pittsburgh to Decatur with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Pittsburgh to Decatur

Sunday is one of the best days to book for cheap flights from Pittsburgh to Decatur: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Pittsburgh to Decatur

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Pittsburgh to Decatur in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Pittsburgh to Decatur flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Pittsburgh to Decatur airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Pittsburgh Intl. Airport (PIT) to Decatur Airport (DEC) cost?
Lock in a cheap one-way flight or cheap return flight from $245 from Pittsburgh Intl. Airport (PIT) to Decatur Airport (DEC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Pittsburgh Intl. Airport (PIT) to Decatur Airport (DEC)?
February is the least expensive month to fly from PIT to DEC. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Pittsburgh Intl. Airport (PIT) to Decatur Airport (DEC)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PIT to DEC flight.
How many flights per day from Pittsburgh Intl. Airport (PIT) to Decatur Airport (DEC)?
There aren't any daily direct flights from Pittsburgh Intl. Airport (PIT) to Decatur Airport (DEC). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from PIT to DEC?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Pittsburgh Intl. Airport (PIT) to Decatur Airport (DEC)?
To avoid potential delays on the Pittsburgh Intl. Airport (PIT) to Decatur Airport (DEC) route, aim to travel before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Pittsburgh Intl. Airport (PIT) to Decatur Airport (DEC) last-minute?
Booking your plane ticket from PIT to DEC right before your getaway is usually more expensive. But if there's some wiggle room with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a PIT to DEC flight and hotel package?
You'll typically save money by booking a PIT to DEC flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal accommodations and flights, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Pittsburgh Intl. Airport (PIT) to Decatur Airport (DEC)?
In most instances, you can cancel or modify your PIT to DEC flight. However, there may be additional fees, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need further information, go to our Customer Service portal.

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*Available to One Key members.