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Decatur

$434+ Cheap flights from Phoenix 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEC
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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Cheap flight deals from Phoenix to Decatur

Cheapest flights from Phoenix to Decatur
Explore the most affordable flight options available from Phoenix to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.

This United Airlines deal was found by Cheapflights users on 3/20. 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.
Wed 6/1711:50 pm
PHX
-
DEC
1 stop7h 07m
United Airlines
Sun 6/217:05 pm
DEC
-
PHX
1 stop6h 17m
United Airlines
Deal found 3/20$434
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Sat 10/317:30 am
PHX
-
DEC
1 stop8h 21m
United Airlines
Tue 11/36:55 pm
DEC
-
PHX
2 stops31h 09m
United Airlines
Deal found 3/19$469
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Wed 4/86:05 am
PHX
-
DEC
2 stops9h 52m
United Airlines
Fri 4/107:37 pm
DEC
-
PHX
1 stop21h 21m
United Airlines
Deal found 3/20$519
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Sat 4/47:15 pm
PHX
-
DEC
3 stops20h 42m
United Airlines
Wed 4/89:52 am
DEC
-
PHX
1 stop7h 06m
United Airlines
Deal found 3/20$538
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Thu 4/24:34 pm
PHX
-
DEC
2 stops14h 24m
United Airlines
Mon 4/67:37 pm
DEC
-
PHX
1 stop6h 19m
United Airlines
Deal found 3/18$575

Find flight deals from Phoenix to Decatur

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Decatur (DEC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 23, 2026.

Round-trip from

$434
(United Airlines)
From Phoenix to Decatur Arpt
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix 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 March 23, 2026.
Use the filters below to find and compare flights from Phoenix to Decatur that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixDecatur

PHX - DEC

PHXDEC

Phoenix Sky Harbor Intl

Wed 4/8

6:05 am-5:57 pm

2 stops9h 52m

Decatur Arpt

Fri 4/10

7:37 pm-2:58 pm

1 stop21h 21m

$519

PhoenixDecatur

PHX - DEC

PHXDEC

Phoenix Sky Harbor Intl

Sat 4/4

7:15 pm-5:57 pm

3 stops20h 42m

Decatur Arpt

Wed 4/8

9:52 am-6:45 pm

2 stops10h 53m

$544
Quickest round-trip

PhoenixDecatur

PHX - DEC

PHXDEC

Phoenix Sky Harbor Intl

Thu 4/2

4:34 pm-8:58 am

2 stops14h 24m

Decatur Arpt

Mon 4/6

7:37 pm-11:56 pm

1 stop6h 19m

$575

PhoenixDecatur

PHX - DEC

PHXDEC

Phoenix Sky Harbor Intl

Sat 4/4

7:41 pm-8:58 am

2 stops11h 17m

Decatur Arpt

Wed 4/15

9:52 am-9:41 pm

2 stops13h 49m

$630

PhoenixDecatur

PHX - DEC

PHXDEC

Phoenix Sky Harbor Intl

Sun 4/5

11:59 pm-8:58 am

1 stop6h 59m

Decatur Arpt

Fri 4/10

7:37 pm-2:58 pm

1 stop21h 21m

$695

PhoenixDecatur

PHX - DEC

PHXDEC

Phoenix Sky Harbor Intl

Mon 4/6

7:08 pm-5:58 pm

2 stops20h 50m

Decatur Arpt

Fri 4/10

7:37 pm-12:36 pm

2 stops18h 59m

$705

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Sorted by cheapest first

Best time to book a flight from Phoenix to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur from Phoenix 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 Phoenix to Decatur

What is the cheapest month to book a flight from Phoenix to Decatur, Illinois?

Currently, October is the cheapest month in which you can book a flight from Phoenix to Decatur, Illinois (average of $148). Flying from Phoenix to Decatur, Illinois in February is currently the most expensive (average of $394). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Phoenix 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 Phoenix?

    If you book a flight to Decatur from Phoenix, you will be flying to Decatur Arpt, which is the city’s only airport. Decatur Arpt (DEC) is located 4.7 mi from the center of Decatur. There are 0 flights from Phoenix to Decatur Arpt per day from 0 different airlines.

  • How long is the flight from Phoenix to Decatur, Illinois?

    Airlines like United Airlines fly from Phoenix to Decatur, Illinois in about 9h 52m. The time it takes to get you to your destination can typically vary by up to . The distance from Phoenix to Decatur, Illinois is about 1351 mi.

  • Can I find deals for flights from Phoenix to Decatur that include hotel bookings?

    Yes. In addition to deals on Phoenix to Decatur flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to Decatur?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Decatur.

  • Can I find deals for business class flights from Phoenix to Decatur?

    Yes. Cheapflights offers flight deals from Phoenix 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.

  • What is the cheapest month to book a flight from Phoenix to Decatur, Illinois?

    Currently, October is the cheapest month in which you can book a flight from Phoenix to Decatur, Illinois (average of $148). Flying from Phoenix to Decatur, Illinois in February is currently the most expensive (average of $394). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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