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Decatur

$268+ Cheap flights from Washington, D.C. (WAS) 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — DEC
Mar 2 — Mar 91
Mon 3/2
Mon 3/9
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Decatur

Cheapest flights from Washington, D.C. to Decatur
Explore the most affordable flight options available from Washington, D.C. to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 31, 2026.

This United Airlines deal was found by Cheapflights users on 1/30. 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 2/266:30 am
BWI
-
DEC
1 stop12h 24m
United Airlines
Thu 3/59:50 am
DEC
-
BWI
1 stop10h 52m
United Airlines
Deal found 1/30$315
This United Airlines deal was found by Cheapflights users on 1/28. 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 10/271:00 pm
DCA
-
DEC
1 stop5h 51m
United Airlines
Sat 10/316:55 pm
DEC
-
DCA
1 stop4h 01m
United Airlines
Deal found 1/28$334
This United Airlines deal was found by Cheapflights users on 1/30. 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 2/266:30 am
BWI
-
DEC
1 stop12h 24m
United Airlines
Sun 3/17:15 pm
DEC
-
BWI
1 stop25h 02m
United Airlines
Deal found 1/30$336
This United Airlines deal was found by Cheapflights users on 1/30. 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 8/511:57 am
DCA
-
DEC
1 stop6h 54m
United Airlines
Mon 8/109:42 am
DEC
-
DCA
1 stop7h 30m
United Airlines
Deal found 1/30$410
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Sun 2/156:30 am
BWI
-
DEC
1 stop12h 24m
United Airlines
Thu 2/197:15 pm
DEC
-
BWI
1 stop25h 02m
United Airlines
Deal found 1/30$433
This United Airlines deal was found by Cheapflights users on 1/30. 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 10/2710:45 am
BWI
-
DEC
1 stop8h 06m
United Airlines
Sat 10/316:55 pm
DEC
-
BWI
1 stop15h 24m
United Airlines
Deal found 1/30$446
This United Airlines deal was found by Cheapflights users on 1/30. 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.
Sun 2/151:00 pm
DCA
-
DEC
1 stop5h 54m
United Airlines
Thu 2/197:15 pm
DEC
-
DCA
1 stop16h 52m
United Airlines
Deal found 1/30$628
This United Airlines deal was found by Cheapflights users on 1/30. 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 8/510:45 am
BWI
-
DEC
1 stop8h 06m
United Airlines
Mon 8/109:42 am
DEC
-
BWI
1 stop6h 51m
United Airlines
Deal found 1/30$631

Find flight deals from Washington, D.C. to Decatur

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 January 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$315
(United Airlines)

One-way from

$268
(United Airlines)
Provider with most accurate pricing for Washington, D.C. (WAS)-Decatur Arpt flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Decatur Arpt flights.
Search Deals
From Washington, D.C. (WAS) to Decatur Arpt
Search Deals
One-way flight from Washington, D.C. (WAS) to Decatur Arpt
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 January 31, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Decatur that are best for you.

Fly from

Washington, D.C.

Fly to

Decatur

Route

Depart

Return

Price

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Thu 2/26

6:30 am-5:54 pm

1 stop12h 24m

Decatur Arpt

Thu 3/5

9:50 am-9:42 pm

1 stop10h 52m

$315

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Thu 2/26

6:30 am-5:54 pm

1 stop12h 24m

Decatur Arpt

Sun 3/1

7:15 pm-9:17 pm

1 stop25h 02m

$336

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Sun 2/15

6:30 am-5:54 pm

1 stop12h 24m

Decatur Arpt

Thu 2/19

7:15 pm-9:17 pm

1 stop25h 02m

$433

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Sun 2/15

1:00 pm-5:54 pm

1 stop5h 54m

Decatur Arpt

Thu 2/19

7:15 pm-1:07 pm

1 stop16h 52m

$628

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Fri 5/15

6:15 am-5:58 pm

1 stop12h 43m

$268

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Fri 5/15

8:20 am-5:58 pm

1 stop10h 38m

$273

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Sun 3/22

7:30 am-8:52 am

1 stop26h 22m

$298

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Sun 3/22

6:05 am-5:53 pm

1 stop12h 48m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

  • Most accurate provider: When it comes to deals on Washington, D.C.-Decatur, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Decatur, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Decatur, Illinois flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Decatur, Illinois flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Decatur, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur from Washington, D.C. 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 Washington, D.C. to Decatur
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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 Washington, D.C.?

    Located just 4.7 mi from the city center, Decatur Arpt is the airport most travelers will use when flying to Decatur from Washington, D.C.. Booking flights from Washington, D.C. to Decatur Arpt (DEC) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 0 different airlines.

  • How long is the flight from Washington, D.C. to Decatur, Illinois?

    Airlines like United Airlines fly from Washington, D.C. to Decatur, Illinois in about 12h 24m. The time it takes to get you to your destination can typically vary by up to . Washington, D.C. and Decatur, Illinois are separated by a distance of 651 mi.

  • Can I find deals for flights from Washington, D.C. to Decatur that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to Decatur?

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

  • Can I find deals for business class flights from Washington, D.C. to Decatur?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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.

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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