$223 Cheap Flights from Phoenix (PHX) to Decatur (DEC)

View $223 flight on Sun, Aug 31, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Decatur, IL (DEC)

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Cheap Flights from Phoenix to Decatur (PHX-DEC)

Prices were available within the past 7 days and start at $223 for one-way flights and $274 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Nov 26 - Sat, Nov 29
PHX
Phoenix
DEC
Decatur
$274 Roundtrip, found 20 hours ago
$274
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Nov 26 from Phoenix to Decatur, returning Sat, Nov 29, priced at $274 found 20 hours ago
United
Mon, Oct 6 - Sat, Oct 18
PHX
Phoenix
DEC
Decatur
$279 Roundtrip, found 1 day ago
$279
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 6 from Phoenix to Decatur, returning Sat, Oct 18, priced at $279 found 1 day ago
United
Mon, Oct 6 - Sat, Oct 18
PHX
Phoenix
DEC
Decatur
$307 Roundtrip, found 1 day ago
$307
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 6 from Phoenix to Decatur, returning Sat, Oct 18, priced at $307 found 1 day ago
United
Wed, Aug 13 - Wed, Aug 20
PHX
Phoenix
DEC
Decatur
$315 Roundtrip, found 5 days ago
$315
Roundtrip
found 5 days ago
Select United flight, departing Wed, Aug 13 from Phoenix to Decatur, returning Wed, Aug 20, priced at $315 found 5 days ago
United
Wed, Aug 13 - Wed, Aug 20
PHX
Phoenix
DEC
Decatur
$320 Roundtrip, found 5 days ago
$320
Roundtrip
found 5 days ago
Select United flight, departing Wed, Aug 13 from Phoenix to Decatur, returning Wed, Aug 20, priced at $320 found 5 days ago
United
Mon, Oct 6 - Sat, Oct 18
PHX
Phoenix
DEC
Decatur
$322 Roundtrip, found 1 day ago
$322
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 6 from Phoenix to Decatur, returning Sat, Oct 18, priced at $322 found 1 day ago
United
Mon, Oct 6 - Sat, Oct 18
PHX
Phoenix
DEC
Decatur
$325 Roundtrip, found 1 day ago
$325
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 6 from Phoenix to Decatur, returning Sat, Oct 18, priced at $325 found 1 day ago
United
Mon, Oct 6 - Sat, Oct 18
PHX
Phoenix
DEC
Decatur
$330 Roundtrip, found 1 day ago
$330
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 6 from Phoenix to Decatur, returning Sat, Oct 18, priced at $330 found 1 day ago
United
Wed, Aug 13 - Wed, Aug 20
PHX
Phoenix
DEC
Decatur
$330 Roundtrip, found 5 days ago
$330
Roundtrip
found 5 days ago
Select United flight, departing Wed, Aug 13 from Phoenix to Decatur, returning Wed, Aug 20, priced at $330 found 5 days ago
United
Sat, Nov 22 - Sat, Nov 29
PHX
Phoenix
DEC
Decatur
$332 Roundtrip, found 5 days ago
$332
Roundtrip
found 5 days ago
Select United flight, departing Sat, Nov 22 from Phoenix to Decatur, returning Sat, Nov 29, priced at $332 found 5 days ago

Alternative airports near Decatur

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Decatur, IL DEC. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $321
DEC
Decatur, IL
CheapestClosest
Average driving time to city center8 min
Flights from $321
Flights from Phoenix (PHX) to Decatur (DEC)
Origin airport
Sky Harbor Intl.
Destination airport
Decatur
Airlines serving
United
Roundtrip price
$274
Distance
1351 mi

Phoenix to Decatur Flights

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

 

The best time to book a flight from Phoenix to Decatur

Sunday is one of the best days to book for cheap flights from Phoenix 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 Phoenix 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 Phoenix to Decatur in 2025. You can also book with separate airlines for your outbound and return journeys, from $223 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 Phoenix 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 Phoenix 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 Sky Harbor Intl. Airport (PHX) to Decatur Airport (DEC) cost?
Grab a cheap one-way flight from $223 or cheap return flight from $274 from Sky Harbor Intl. Airport (PHX) to Decatur Airport (DEC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to Decatur Airport (DEC)?
November is the least expensive month to fly from PHX to DEC. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Decatur Airport (DEC)?
To find the cheapest airline that'll fly you from PHX to DEC, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Decatur Airport (DEC)?
You'll need to catch a flight with a layover when traveling from Sky Harbor Intl. Airport (PHX) to Decatur Airport (DEC). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from PHX to DEC?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Decatur Airport (DEC)?
Choose a flight from Sky Harbor Intl. Airport (PHX) to Decatur Airport (DEC) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time have a 22% higher chance of being canceled, on average.**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 Sky Harbor Intl. Airport (PHX) to Decatur Airport (DEC) last-minute?
Waiting until just before your departure to book a flight from PHX to DEC often results in higher prices. While you may find some last-minute deals, there's no guarantee. Allow some flexibility in your schedule to boost your chances of landing a bargain.
Is it cheaper to book a PHX to DEC flight and hotel package?
Opting for a PHX to DEC flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Decatur Airport (DEC)?
Typically, you're able to cancel or reschedule your PHX to DEC flight. However, additional charges may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want more details, go to our Customer Service portal.

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*Available to One Key members.