Cheap Flights from Tucson (TUS) to Decatur (DEC)

Popular airlines from Tucson International Airport (TUS) to Decatur, IL (DEC)

Flights from Tucson (TUS) to Decatur (DEC)
Origin airport
Tucson Intl.
Destination airport
Decatur
Distance
1338 mi

Tucson to Decatur Flights

The cheapest times to fly from Tucson 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 Tucson to Decatur are during the month of . You can find some of the cheapest flights from Tucson to Decatur with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Tucson to Decatur

Sunday is one of the best days to book for cheap flights from Tucson 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 Tucson 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 Tucson to Decatur in 2025. 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 Tucson 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 Tucson 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 Tucson Intl. Airport (TUS) to Decatur Airport (DEC) cost?
Snag a cheap one-way flight or cheap return flight from Tucson Intl. Airport (TUS) to Decatur Airport (DEC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Tucson Intl. Airport (TUS) to Decatur Airport (DEC)?
The cheapest month to fly from TUS to DEC is , when demand is low. Off-peak season is generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Tucson Intl. Airport (TUS) to Decatur Airport (DEC)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest TUS to DEC flight.
How many flights per day from Tucson Intl. Airport (TUS) to Decatur Airport (DEC)?
There aren't any daily direct flights departing from Tucson Intl. Airport (TUS) to Decatur Airport (DEC). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from TUS to DEC?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can change depending on the airline, time of year 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 Tucson Intl. Airport (TUS) to Decatur Airport (DEC)?
To avoid potential delays on the Tucson Intl. Airport (TUS) to Decatur Airport (DEC) route, aim to travel before 3 PM. Departures after this time 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 Tucson Intl. Airport (TUS) to Decatur Airport (DEC) last-minute?
Booking your flight from TUS to DEC right before your getaway is typically more expensive. But if you're flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a TUS to DEC flight and hotel package?
Securing a TUS to DEC flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our extensive range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Tucson Intl. Airport (TUS) to Decatur Airport (DEC)?
If you reserved your TUS to DEC flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.