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Cheap flights from Washington, D.C. to Decatur from $293

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Decatur departing on 3/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Washington, D.C. to Decatur

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:00 pm - 5:52 pmDCA-DEC
4h 52m1 stop
United Airlines Logo
9:49 am - 3:38 pmDEC-DCA
4h 49m1 stop
$304United Airlines
Find Deal
Fri, Dec 12 - Sun, Dec 14
United Airlines Logo
1:00 pm - 5:56 pmDCA-DEC
5h 56m1 stop
United Airlines Logo
7:05 pm - 11:59 pmDEC-DCA
3h 54m1 stop
$314United Airlines
Find Deal
Wed, Feb 18 - Tue, Feb 24
United Airlines Logo
1:00 pm - 5:52 pmDCA-DEC
5h 52m1 stop
United Airlines Logo
7:08 pm - 11:59 pmDEC-DCA
3h 51m1 stop
$344United Airlines
Find Deal
Sat, Dec 13 - Tue, Dec 16
United Airlines Logo
10:05 am - 9:05 amBWI-DEC
24h 00m1 stop
United Airlines Logo
9:49 am - 9:21 pmDEC-BWI
10h 32m1 stop
$366United Airlines
Find Deal
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
1:00 pm - 5:52 pmDCA-DEC
5h 52m1 stop
United Airlines Logo
7:08 pm - 11:59 pmDEC-DCA
3h 51m1 stop
$374United Airlines
Find Deal
Sat, Dec 13 - Tue, Dec 16
United Airlines Logo
1:10 pm - 5:52 pmBWI-DEC
5h 42m1 stop
United Airlines Logo
9:44 am - 4:58 pmDEC-BWI
6h 14m1 stop
$374United Airlines
Find Deal
Tue, Dec 16 - Sat, Dec 20
United Airlines Logo
1:00 pm - 5:56 pmDCA-DEC
5h 56m1 stop
United Airlines Logo
7:05 pm - 4:42 pmDEC-DCA
20h 37m2 stops
$391United Airlines
Find Deal
Wed, Feb 18 - Tue, Feb 24
United Airlines Logo
6:00 am - 5:52 pmDCA-DEC
12h 52m2 stops
United Airlines Logo
7:08 pm - 11:59 pmDEC-DCA
3h 51m1 stop
$406United Airlines
Find Deal
Sat, Dec 13 - Tue, Dec 16
United Airlines Logo
1:00 pm - 5:59 pmDCA-DEC
5h 59m1 stop
United Airlines Logo
9:44 am - 8:59 amDEC-DCA
22h 15m1 stop
$415United Airlines
Find Deal
Wed, Dec 24 - Sun, Jan 4
United Airlines Logo
5:19 pm - 9:05 amBWI-DEC
16h 46m1 stop
United Airlines Logo
9:44 am - 4:58 pmDEC-BWI
6h 14m1 stop
$415United Airlines
Find Deal
Wed, Dec 24 - Sun, Jan 4

United Airlines flights from Washington, D.C. to Decatur, Illinois

Our best United Airlines deals on Washington, D.C. to Decatur, Illinois flight tickets
United Airlines
Dec 12
DCA2:00 pmWashington, D.C. Reagan-National
4h 52m
1 stop
DEC5:52 pmDecatur Arpt
Dec 14
DEC9:49 amDecatur Arpt
4h 49m
1 stop
DCA3:38 pmWashington, D.C. Reagan-National
$304
Find similar
United Airlines
Feb 18
DCA1:00 pmWashington, D.C. Reagan-National
5h 56m
1 stop
DEC5:56 pmDecatur Arpt
Feb 24
DEC7:05 pmDecatur Arpt
3h 54m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$314
Find similar
United Airlines
Dec 13
DCA1:00 pmWashington, D.C. Reagan-National
5h 52m
1 stop
DEC5:52 pmDecatur Arpt
Dec 16
DEC7:08 pmDecatur Arpt
3h 51m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$344
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Decatur, Illinois 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, momondo users made 832,500 searches. Data last updated December 1, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Decatur, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Fri 12/12

2:00 pm-5:52 pm

1 stop4h 52m

Decatur Arpt

Sun 12/14

9:49 am-3:38 pm

1 stop4h 49m

$304

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Wed 2/18

1:00 pm-5:56 pm

1 stop5h 56m

Decatur Arpt

Tue 2/24

7:05 pm-11:59 pm

1 stop3h 54m

$314

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Sat 12/13

1:00 pm-5:52 pm

1 stop5h 52m

Decatur Arpt

Tue 12/16

7:08 pm-11:59 pm

1 stop3h 51m

$344

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Sat 1/17

10:05 am-9:05 am

1 stop24h 00m

Decatur Arpt

Wed 1/21

9:49 am-9:21 pm

1 stop10h 32m

$366

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Sat 12/13

1:00 pm-5:52 pm

1 stop5h 52m

Decatur Arpt

Tue 12/16

7:08 pm-11:59 pm

1 stop3h 51m

$374

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Tue 12/16

1:10 pm-5:52 pm

1 stop5h 42m

Decatur Arpt

Sat 12/20

9:44 am-4:58 pm

1 stop6h 14m

$374

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Wed 2/18

1:00 pm-5:56 pm

1 stop5h 56m

Decatur Arpt

Tue 2/24

7:05 pm-4:42 pm

2 stops20h 37m

$391

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Sat 12/13

6:00 am-5:52 pm

2 stops12h 52m

Decatur Arpt

Tue 12/16

7:08 pm-11:59 pm

1 stop3h 51m

$406

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Wed 12/24

1:00 pm-5:59 pm

1 stop5h 59m

Decatur Arpt

Sun 1/4

9:44 am-8:59 am

1 stop22h 15m

$415

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Wed 12/24

5:19 pm-9:05 am

1 stop16h 46m

Decatur Arpt

Sun 1/4

9:44 am-4:58 pm

1 stop6h 14m

$415

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Decatur from

How to get the cheapest flight ticket from Washington, D.C. to Decatur, Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Decatur, Illinois?

The cheapest day to depart on your flight to Decatur, Illinois is on a Friday when prices can be found for as low as $323. This is often the case because there is less demand to fly during this day of the week. Flights from Washington, D.C. to Decatur, Illinois on a Tuesday will generally be more expensive and average around $545. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Decatur, Illinois?

In the morning is the cheapest time of day to fly from Washington, D.C. to Decatur, Illinois when you can find flight prices for as low as $343. Flying to Decatur, Illinois in the morning is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Decatur, Illinois, so prices are often more expensive at around $356 per ticket.

When to book flights from Washington, D.C. to Decatur, Illinois

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Decatur, Illinois according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Decatur, Illinois (WAS to DEC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Decatur, Illinois

Fastest flight time

4h 52m

Direct flights

None
The fastest flight from Washington, D.C. to Decatur, Illinois takes 4h 52m
There are no direct flights from Washington, D.C. to Decatur, Illinois. There are no popular flight routes from Washington, D.C. to Decatur, Illinois.
Search flight deals

  • How far is Washington, D.C. to Decatur Arpt by plane?

    A flight from Washington, D.C. to Decatur Arpt will travel around 639.0 mi. Flights usually cover this in 4h 52m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Washington, D.C. to Decatur Arpt Airport?

    Prices for flights from Washington, D.C. to Decatur Arpt Airport refresh daily.

  • How old do you have to be to fly from Washington, D.C. to Decatur Arpt Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Decatur Arpt Airport.

  • What documentation or ID do you need to fly to Decatur Arpt Airport?

    The necessary travel and health documents for your Decatur Arpt Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Decatur?

Book flights to Decatur if you plan to visit one of these locations
Effingham
Mattoon
Forsyth

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Decatur?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Decatur from Washington, D.C..

Can I find flights from Washington, D.C. to Decatur with flexible booking policies on momondo?

momondo does allow users to show only those flights to Decatur from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Decatur?

Once you have performed a search for Washington, D.C. to Decatur flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Decatur right now. Can momondo alert me if prices change?

Price alerts on flights to Decatur from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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