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Decatur

$240+ Cheap flights from District of Columbia to Decatur, IL (DEC)

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DEC
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from District of Columbia to Decatur

Cheapest flights from District of Columbia to Decatur
Explore the most affordable flight options available from District of Columbia to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/301:00 pmDCA - DEC
1 stop5h 59mUnited Airlines
Sat 1/39:44 amDEC - DCA
1 stop6h 15mUnited Airlines
Deal found 12/15$435

Find flight deals from District of Columbia to Decatur

Keep the following information in mind while searching for District of Columbia to Decatur flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$334
(United Airlines)

One-way from

$240
(United Airlines)
Provider with most accurate pricing for Washington, D.C. (WAS)-Decatur Arpt flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Decatur Arpt flights.
Search Deals
From District of Columbia to Decatur Arpt
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One-way flight from District of Columbia to Decatur Arpt
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Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 December 18, 2025.
Use the filters below to find and compare flights from District of Columbia to Decatur that are best for you.

Fly from

District of Columbia

Fly to

Decatur

Route

Depart

Return

Price

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Fri 1/23

2:00 pm-6:01 pm

1 stop5h 01m

Decatur Arpt

Sun 1/25

9:49 am-4:59 pm

1 stop6h 10m

$334

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Thu 1/22

2:00 pm-6:01 pm

1 stop5h 01m

Decatur Arpt

Sun 1/25

9:49 am-4:59 pm

1 stop6h 10m

$334

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Thu 1/22

12:00 pm-6:01 pm

1 stop7h 01m

Decatur Arpt

Mon 1/26

9:49 am-3:32 pm

1 stop4h 43m

$334

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Fri 1/23

12:00 pm-6:01 pm

1 stop7h 01m

Decatur Arpt

Mon 1/26

9:49 am-4:59 pm

1 stop6h 10m

$334

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Fri 1/16

2:00 pm-6:01 pm

1 stop5h 01m

Decatur Arpt

Sun 1/18

9:49 am-4:59 pm

1 stop6h 10m

$334

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Thu 1/1

1:00 pm-5:59 pm

1 stop5h 59m

Decatur Arpt

Mon 1/5

9:44 am-3:32 pm

1 stop4h 48m

$344

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Tue 12/30

1:00 pm-5:59 pm

1 stop5h 59m

Decatur Arpt

Sat 1/3

9:44 am-4:59 pm

1 stop6h 15m

$435

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Thu 1/15

12:00 pm-6:01 pm

1 stop7h 01m

Decatur Arpt

Sat 1/17

7:09 pm-10:56 am

1 stop14h 47m

$440

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Tue 1/20

8:00 pm-6:01 pm

1 stop23h 01m

$240

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Sun 1/18

7:30 am-9:05 am

1 stop26h 35m

$240

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 12 results
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Best time to book a flight from District of Columbia to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur from District of Columbia 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 District of Columbia to Decatur

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

Currently, August is the cheapest month in which you can book a flight from District of Columbia to Decatur, Illinois (average of $154). Flying from District of Columbia to Decatur, Illinois in May is currently the most expensive (average of $383). 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 District of Columbia 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 District of Columbia?

    Located just 4.7 mi from the city center, Decatur Arpt (DEC) is the airport most travelers will use when flying to Decatur from District of Columbia.

  • How long is the flight from District of Columbia to Decatur, Illinois?

    A quick flight from District of Columbia to Decatur, Illinois can take about 5h 01m. United Airlines provides one of the quickest options available for as low as $334. District of Columbia and Decatur, Illinois are separated by a distance of 635 mi.

  • Can I find deals for flights from District of Columbia to Decatur that include hotel bookings?

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

  • How can I find direct flights from District of Columbia to Decatur?

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

  • Can I find deals for business class flights from District of Columbia to Decatur?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Decatur, Illinois?

    Currently, August is the cheapest month in which you can book a flight from District of Columbia to Decatur, Illinois (average of $154). Flying from District of Columbia to Decatur, Illinois in May is currently the most expensive (average of $383). 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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