Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. to Decatur from $232

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 6/17. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
8:25 am - 5:56 pm
BWI
-
DEC
10h 31m
1 stop
United Airlines Logo
7:05 pm - 12:33 am
DEC
-
BWI
4h 28m
1 stop
$410United Airlines
Wed, May 27 - Sat, May 30
United Airlines Logo
6:10 am - 5:56 pm
BWI
-
DEC
12h 46m
1 stop
United Airlines Logo
7:05 pm - 12:33 am
DEC
-
BWI
4h 28m
1 stop
$420United Airlines
Wed, May 27 - Sat, May 30
United Airlines Logo
8:10 pm - 5:56 pm
DCA
-
DEC
22h 46m
1 stop
United Airlines Logo
9:37 am - 5:12 pm
DEC
-
DCA
6h 35m
1 stop
$460United Airlines
Fri, Jun 26 - Mon, Jun 29
United Airlines Logo
6:15 am - 5:56 pm
BWI
-
DEC
12h 41m
1 stop
United Airlines Logo
9:37 am - 5:36 pm
DEC
-
BWI
6h 59m
1 stop
$460United Airlines
Fri, Jun 26 - Mon, Jun 29
United Airlines Logo
2:00 pm - 5:57 pm
DCA
-
DEC
4h 57m
1 stop
United Airlines Logo
7:05 pm - 10:55 pm
DEC
-
DCA
26h 50m
1 stop
$505United Airlines
Tue, May 19 - Sat, May 23
United Airlines Logo
1:00 pm - 5:57 pm
DCA
-
DEC
5h 57m
1 stop
United Airlines Logo
7:05 pm - 3:23 pm
DEC
-
DCA
19h 18m
2 stops
$533United Airlines
Tue, May 19 - Sat, May 23
United Airlines Logo
11:00 am - 5:57 pm
BWI
-
DEC
7h 57m
1 stop
United Airlines Logo
7:05 pm - 12:33 am
DEC
-
BWI
4h 28m
1 stop
$558United Airlines
Tue, May 19 - Sat, May 23
United Airlines Logo
7:15 am - 5:56 pm
DCA
-
DEC
11h 41m
1 stop
United Airlines Logo
9:37 am - 9:53 pm
DEC
-
DCA
11h 16m
2 stops
$689United Airlines
Fri, Jun 26 - Mon, Jun 29
United Airlines Logo
7:05 pm - 5:57 pm
BWI
-
DEC
23h 52m
1 stop
United Airlines Logo
7:05 pm - 12:33 am
DEC
-
BWI
4h 28m
1 stop
$702United Airlines
Mon, May 18 - Fri, May 22

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
May 27
BWI8:25 amBaltimore/Washington
10h 31m
1 stop
DEC5:56 pmDecatur Arpt
May 30
DEC7:05 pmDecatur Arpt
4h 28m
1 stop
BWI12:33 amBaltimore/Washington
$410
United Airlines
May 27
BWI6:10 amBaltimore/Washington
12h 46m
1 stop
DEC5:56 pmDecatur Arpt
May 30
DEC7:05 pmDecatur Arpt
4h 28m
1 stop
BWI12:33 amBaltimore/Washington
$420
United Airlines
Jun 26
DCA8:10 pmWashington, D.C. Reagan-National
22h 46m
1 stop
DEC5:56 pmDecatur Arpt
Jun 29
DEC9:37 amDecatur Arpt
6h 35m
1 stop
DCA5:12 pmWashington, D.C. Reagan-National
$460

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 May 7, 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

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Wed 5/27

8:25 am-5:56 pm

1 stop10h 31m

Decatur Arpt

Sat 5/30

7:05 pm-12:33 am

1 stop4h 28m

$410

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Wed 5/27

6:10 am-5:56 pm

1 stop12h 46m

Decatur Arpt

Sat 5/30

7:05 pm-12:33 am

1 stop4h 28m

$420

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Fri 6/26

8:10 pm-5:56 pm

1 stop22h 46m

Decatur Arpt

Mon 6/29

9:37 am-5:12 pm

1 stop6h 35m

$460

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Fri 6/26

6:15 am-5:56 pm

1 stop12h 41m

Decatur Arpt

Mon 6/29

9:37 am-5:36 pm

1 stop6h 59m

$460

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Tue 5/19

2:00 pm-5:57 pm

1 stop4h 57m

Decatur Arpt

Sat 5/23

7:05 pm-10:55 pm

1 stop26h 50m

$505

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Tue 5/19

1:00 pm-5:57 pm

1 stop5h 57m

Decatur Arpt

Sat 5/23

7:05 pm-3:23 pm

2 stops19h 18m

$533
Quickest round-trip

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Tue 5/19

11:00 am-5:57 pm

1 stop7h 57m

Decatur Arpt

Sat 5/23

7:05 pm-12:33 am

1 stop4h 28m

$558

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Fri 6/26

7:15 am-5:56 pm

1 stop11h 41m

Decatur Arpt

Mon 6/29

9:37 am-9:53 pm

2 stops11h 16m

$689

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Mon 5/18

7:05 pm-5:57 pm

1 stop23h 52m

Decatur Arpt

Fri 5/22

7:05 pm-12:33 am

1 stop4h 28m

$702
Cheapest one-way

Washington, D.C.Decatur

DCA - DEC

DCADEC

Washington, D.C. Reagan-National

Wed 6/17

7:15 am-5:56 pm

1 stop11h 41m

$232

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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

7h 03m

Direct flights

None
The fastest flight from Washington, D.C. to Decatur, Illinois takes 7h 03m
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 7h 03m, 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.

An easier way to manage your Decatur, Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 6/6
Sat 6/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States