Decatur

$98+ Cheap flights from Decatur, IL

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — SEA
Feb 25 — Mar 41
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What to know about flights from Decatur

Discover essential information about flights departing from Decatur, including flight schedules, destinations, airlines operating at the Decatur airport, and any specific guidelines or requirements for travelers. Please note that the information is based on the most recent updates available. Data last updated January 26, 2026.

Cheapest round-trip flight

$158

Cheapest airline

United Airlines

Good round-trip deal

$279 or less

Good one-way deal

$256 or less
The cheapest round-trip flight from Decatur Arpt is currently to Chicago O'Hare Intl.
On average, United Airlines currently has the cheapest one-way flight from Decatur Arpt (avg. price of $158).
Price to beat on a round-trip flight from Decatur Arpt.
Price to beat on a one-way flight from Decatur Arpt.

Find flights from Decatur

Cheapest flights from Decatur
Explore the most affordable flight options available from Decatur. Find the lowest fares based on data from user searches, with prices last updated on January 26, 2026.

This United Airlines deal was found by Cheapflights users on 1/25. 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.
Fri 6/126:55 pm
DEC
-
ORD
Nonstop1h 05m
United Airlines
Sun 6/147:45 am
ORD
-
DEC
Nonstop1h 01m
United Airlines
Deal found 1/25$149
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/217:15 pm
DEC
-
ORD
Nonstop1h 10m
United Airlines
Sat 2/284:50 pm
ORD
-
DEC
Nonstop1h 04m
United Airlines
Deal found 1/26$159
This United Airlines deal was found by Cheapflights users on 1/23. 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 6/116:55 pm
DEC
-
ORD
Nonstop1h 05m
United Airlines
Tue 6/164:50 pm
ORD
-
DEC
Nonstop1h 01m
United Airlines
Deal found 1/23$170
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Fri 2/67:09 pm
DEC
-
ORD
Nonstop1h 16m
United Airlines
Tue 2/104:52 pm
ORD
-
DEC
Nonstop1h 09m
United Airlines
Deal found 1/25$174
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Fri 4/107:20 pm
DEC
-
ORD
Nonstop1h 13m
United Airlines
Sat 4/114:54 pm
ORD
-
DEC
Nonstop1h 08m
United Airlines
Deal found 1/25$191
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Fri 5/19:42 am
DEC
-
MCO
1 stop7h 48m
United Airlines
Sat 5/99:33 am
MCO
-
DEC
2 stops9h 25m
United Airlines
Deal found 1/24$274
This United Airlines deal was found by Cheapflights users on 1/25. 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 4/299:52 am
DEC
-
LAS
1 stop7h 27m
United Airlines
Sat 5/211:59 pm
LAS
-
DEC
1 stop6h 59m
United Airlines
Deal found 1/25$285
This United Airlines deal was found by Cheapflights users on 1/23. 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 4/159:52 am
DEC
-
SFO
1 stop7h 43m
United Airlines
Sun 4/2612:45 am
SFO
-
DEC
1 stop6h 13m
United Airlines
Deal found 1/23$305
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Fri 2/69:49 am
DEC
-
MCO
1 stop7h 32m
United Airlines
Tue 2/109:00 am
MCO
-
DEC
2 stops10h 01m
United Airlines
Deal found 1/24$314
This United Airlines deal was found by Cheapflights users on 1/23. 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 2/269:50 am
DEC
-
DFW
1 stop5h 51m
United Airlines
Tue 3/31:10 pm
DFW
-
DEC
1 stop4h 44m
United Airlines
Deal found 1/23$335
This United Airlines deal was found by Cheapflights users on 1/26. 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 4/169:52 am
DEC
-
MCO
1 stop7h 18m
United Airlines
Wed 4/2212:34 pm
MCO
-
DEC
1 stop6h 28m
United Airlines
Deal found 1/26$335
This United Airlines deal was found by Cheapflights users on 1/23. 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 5/27:20 pm
DEC
-
BOS
1 stop4h 39m
United Airlines
Tue 5/512:30 pm
BOS
-
DEC
1 stop6h 28m
United Airlines
Deal found 1/23$345

Find flights from Decatur within your budget

 
Find flights departing from Decatur that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on January 26, 2026. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Seattle

Route

Depart

Return

Price

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Fri 6/12

6:55 pm-8:00 pm

Nonstop1h 05m

Chicago O'Hare Intl

Sun 6/14

7:45 am-8:46 am

Nonstop1h 01m

$149

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Tue 7/14

6:55 pm-8:00 pm

Nonstop1h 05m

Chicago O'Hare Intl

Sun 7/19

7:45 am-8:46 am

Nonstop1h 01m

$159

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Wed 2/11

7:09 pm-8:25 pm

Nonstop1h 16m

Chicago O'Hare Intl

Tue 2/17

4:50 pm-5:54 pm

Nonstop1h 04m

$159

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Sat 2/7

7:09 pm-8:25 pm

Nonstop1h 16m

Chicago O'Hare Intl

Wed 2/11

4:52 pm-6:01 pm

Nonstop1h 09m

$159

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Thu 2/12

7:15 pm-8:25 pm

Nonstop1h 10m

Chicago O'Hare Intl

Tue 2/17

4:50 pm-5:54 pm

Nonstop1h 04m

$159

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Sat 2/21

7:15 pm-8:25 pm

Nonstop1h 10m

Chicago O'Hare Intl

Sun 2/22

4:50 pm-5:54 pm

Nonstop1h 04m

$159

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Tue 6/2

6:55 pm-8:00 pm

Nonstop1h 05m

Chicago O'Hare Intl

Mon 6/8

7:45 am-8:46 am

Nonstop1h 01m

$159

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Sat 2/21

7:15 pm-8:25 pm

Nonstop1h 10m

Chicago O'Hare Intl

Sat 2/28

4:50 pm-5:54 pm

Nonstop1h 04m

$159

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Tue 5/5

7:20 pm-8:33 pm

Nonstop1h 13m

Chicago O'Hare Intl

Mon 5/11

4:50 pm-5:58 pm

Nonstop1h 08m

$159

DecaturChicago

DEC - ORD

DECORD

Decatur Arpt

Sun 4/5

9:52 am-11:05 am

Nonstop1h 13m

Chicago O'Hare Intl

Sun 4/12

7:45 am-8:58 am

Nonstop1h 13m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 54 results
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Best time to book a flight from Decatur

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

Travel insights for flights from Decatur

Get recent, data-driven insights about flights from Decatur including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from Decatur, Illinois (average of $239). Flying from Decatur, Illinois in December will prove the most costly (average of $404). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Related info for your journey

Access useful and relevant information related to your journey from Decatur. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated January 26, 2026.
  • What is the cheapest flight from Decatur, Illinois to anywhere?

    Users have flown out of Decatur, Illinois for as low as $97 to Chicago O'Hare Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for $386 to fly from Decatur, Illinois.

  • What is the cheapest premium economy flight from Decatur, Illinois?

    Options for some of the cheapest premium economy flights from Decatur, Illinois we have found on Cheapflights are as follows:
    Fly from Decatur Arpt to Chicago O'Hare Intl Airport starting at $844

  • What is the cheapest first class flight from Decatur, Illinois?

    If you’re looking for a cheap first-class flight from Decatur, Illinois, consider Chicago. Prices start at $1,251 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Decatur, Illinois?

    October is currently the cheapest month to fly from Decatur, Illinois. At this moment in time December is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

See more FAQs

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