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Cheap flights from Washington, D.C. to Decatur from $222

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 8/8. 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
1 adult, Economy, 0 bags

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 - 5:51 pm
DCA
-
DEC
4h 51m
1 stop
United Airlines Logo
9:42 am - 3:38 pm
DEC
-
DCA
4h 56m
1 stop
$384United Airlines
Sat, Nov 14 - Wed, Nov 18
United Airlines Logo
1:00 pm - 5:51 pm
DCA
-
DEC
5h 51m
1 stop
United Airlines Logo
6:55 pm - 10:26 pm
DEC
-
DCA
26h 31m
1 stop
$394United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
6:15 am - 5:56 pm
BWI
-
DEC
12h 41m
1 stop
United Airlines Logo
6:45 pm - 12:28 am
DEC
-
BWI
4h 43m
1 stop
$394United Airlines
Wed, Jul 22 - Sun, Jul 26
United Airlines Logo
6:30 am - 5:56 pm
DCA
-
DEC
12h 26m
1 stop
United Airlines Logo
9:37 am - 3:52 pm
DEC
-
DCA
5h 15m
1 stop
$419United Airlines
Sat, Jul 4 - Wed, Jul 8
United Airlines Logo
1:04 pm - 5:59 pm
DCA
-
DEC
5h 55m
1 stop
United Airlines Logo
7:20 pm - 9:59 am
DEC
-
DCA
13h 39m
1 stop
$428United Airlines
Sat, Aug 15 - Sun, Sep 13
United Airlines Logo
11:57 am - 5:56 pm
DCA
-
DEC
6h 59m
1 stop
United Airlines Logo
9:37 am - 11:01 am
DEC
-
DCA
24h 24m
1 stop
$454United Airlines
Wed, Jul 22 - Sun, Jul 26
United Airlines Logo
8:16 am - 5:56 pm
BWI
-
DEC
10h 40m
1 stop
United Airlines Logo
6:45 pm - 12:28 am
DEC
-
BWI
4h 43m
1 stop
$461United Airlines
Sat, Jul 4 - Wed, Jul 8
United Airlines Logo
12:35 pm - 5:51 pm
BWI
-
DEC
6h 16m
1 stop
United Airlines Logo
6:55 pm - 10:34 am
DEC
-
BWI
14h 39m
1 stop
$480United Airlines
Wed, Nov 11 - Sat, Nov 14
United Airlines Logo
1:00 pm - 5:56 pm
DCA
-
DEC
5h 56m
1 stop
United Airlines Logo
6:45 pm - 8:54 am
DEC
-
DCA
13h 09m
1 stop
$505United Airlines
Wed, Jul 8 - Sun, Jul 12
United Airlines Logo
10:32 am - 5:56 pm
BWI
-
DEC
8h 24m
1 stop
United Airlines Logo
6:45 pm - 12:28 am
DEC
-
BWI
4h 43m
1 stop
$509United Airlines
Wed, Jul 8 - Sun, Jul 12

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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
Nov 14
DCA2:00 pmWashington, D.C. Reagan-National
4h 51m
1 stop
DEC5:51 pmDecatur Arpt
Nov 18
DEC9:42 amDecatur Arpt
4h 56m
1 stop
DCA3:38 pmWashington, D.C. Reagan-National
$384
United Airlines
Jul 22
BWI6:15 amBaltimore/Washington
12h 41m
1 stop
DEC5:56 pmDecatur Arpt
Jul 26
DEC6:45 pmDecatur Arpt
4h 43m
1 stop
BWI12:28 amBaltimore/Washington
$394
United Airlines
Aug 15
DCA1:04 pmWashington, D.C. Reagan-National
5h 55m
1 stop
DEC5:59 pmDecatur Arpt
Sep 13
DEC7:20 pmDecatur Arpt
13h 39m
1 stop
DCA9:59 amWashington, D.C. Reagan-National
$428

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 June 24, 2026.
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

Cheapest round-trip
Quickest round-trip

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Sat 11/14

2:00 pm-5:51 pm

1 stop4h 51m

Decatur Arpt

Wed 11/18

9:42 am-3:38 pm

1 stop4h 56m

$384

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Sat 11/14

1:00 pm-5:51 pm

1 stop5h 51m

Decatur Arpt

Tue 11/17

6:55 pm-10:26 pm

1 stop26h 31m

$394

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Wed 7/22

6:15 am-5:56 pm

1 stop12h 41m

Decatur Arpt

Sun 7/26

6:45 pm-12:28 am

1 stop4h 43m

$394

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Sat 7/4

6:30 am-5:56 pm

1 stop12h 26m

Decatur Arpt

Wed 7/8

9:37 am-3:52 pm

1 stop5h 15m

$419

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Sat 8/15

1:04 pm-5:59 pm

1 stop5h 55m

Decatur Arpt

Sun 9/13

7:20 pm-9:59 am

1 stop13h 39m

$428

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Wed 7/22

11:57 am-5:56 pm

1 stop6h 59m

Decatur Arpt

Sun 7/26

9:37 am-11:01 am

1 stop24h 24m

$454

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Sat 7/4

8:16 am-5:56 pm

1 stop10h 40m

Decatur Arpt

Wed 7/8

6:45 pm-12:28 am

1 stop4h 43m

$461

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Wed 11/11

12:35 pm-5:51 pm

1 stop6h 16m

Decatur Arpt

Sat 11/14

6:55 pm-10:34 am

1 stop14h 39m

$480

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Wed 7/8

1:00 pm-5:56 pm

1 stop5h 56m

Decatur Arpt

Sun 7/12

6:45 pm-8:54 am

1 stop13h 09m

$505

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Wed 7/8

10:32 am-5:56 pm

1 stop8h 24m

Decatur Arpt

Sun 7/12

6:45 pm-12:28 am

1 stop4h 43m

$509

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 airline that flies from Washington, D.C. to Decatur Arpt?

United Airlines is the most popular carrier operating from Washington, D.C. to Decatur Arpt

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 51m

Direct flights

None
The fastest flight from Washington, D.C. to Decatur, Illinois takes 4h 51m
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

Frequently asked questions about flying from Washington, D.C. to Decatur, Illinois

  • 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 51m, 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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