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Cheap flights from Decatur, Illinois to Washington, D.C. from $394

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Decatur, Illinois to Washington, D.C. departing on 9/18. 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 Decatur, Illinois to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:20 pm - 10:39 am
DEC
-
BWI
14h 19m
1 stop
United Airlines Logo
12:10 pm - 6:04 pm
BWI
-
DEC
6h 54m
1 stop
$394United Airlines
Fri, Sep 18 - Tue, Sep 22
United Airlines Logo
6:45 pm - 12:28 am
DEC
-
BWI
4h 43m
1 stop
United Airlines Logo
10:32 am - 5:56 pm
BWI
-
DEC
8h 24m
1 stop
$524United Airlines
Wed, Jul 22 - Sun, Jul 26
United Airlines Logo
9:37 am - 5:36 pm
DEC
-
BWI
6h 59m
1 stop
United Airlines Logo
5:32 pm - 5:56 pm
BWI
-
DEC
25h 24m
1 stop
$539United Airlines
Thu, Jul 9 - Sat, Jul 11
United Airlines Logo
6:45 pm - 12:28 am
DEC
-
BWI
4h 43m
1 stop
United Airlines Logo
5:32 pm - 5:56 pm
BWI
-
DEC
25h 24m
1 stop
$572United Airlines
Mon, Jul 6 - Mon, Jul 13
United Airlines Logo
9:37 am - 5:36 pm
DEC
-
BWI
6h 59m
1 stop
United Airlines Logo
10:32 am - 5:56 pm
BWI
-
DEC
8h 24m
1 stop
$739United Airlines
Mon, Jul 13 - Fri, Jul 17

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United Airlines flights from Decatur, Illinois to Baltimore

Our best United Airlines deals on Decatur, Illinois to Baltimore flight tickets
United Airlines
Sep 18
DEC7:20 pmDecatur Arpt
14h 19m
1 stop
BWI10:39 amBaltimore/Washington
Sep 22
BWI12:10 pmBaltimore/Washington
6h 54m
1 stop
DEC6:04 pmDecatur Arpt
$394
United Airlines
Jul 22
DEC6:45 pmDecatur Arpt
4h 43m
1 stop
BWI12:28 amBaltimore/Washington
Jul 26
BWI10:32 amBaltimore/Washington
8h 24m
1 stop
DEC5:56 pmDecatur Arpt
$524
United Airlines
Jul 9
DEC9:37 amDecatur Arpt
6h 59m
1 stop
BWI5:36 pmBaltimore/Washington
Jul 11
BWI5:32 pmBaltimore/Washington
25h 24m
1 stop
DEC5:56 pmDecatur Arpt
$539

momondo Fare Finder

 
Customize your flight search to find flights from Decatur, Illinois to Baltimore 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 29, 2026.
Use the filters below to find and compare flights from Decatur, Illinois to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DecaturBaltimore

DEC - BWI

DECBWI

Decatur Arpt

Fri 9/18

7:20 pm-10:39 am

1 stop14h 19m

Baltimore/Washington

Tue 9/22

12:10 pm-6:04 pm

1 stop6h 54m

$394
Quickest round-trip

DecaturBaltimore

DEC - BWI

DECBWI

Decatur Arpt

Wed 7/22

6:45 pm-12:28 am

1 stop4h 43m

Baltimore/Washington

Sun 7/26

10:32 am-5:56 pm

1 stop8h 24m

$524

DecaturBaltimore

DEC - BWI

DECBWI

Decatur Arpt

Thu 7/9

9:37 am-5:36 pm

1 stop6h 59m

Baltimore/Washington

Sat 7/11

5:32 pm-5:56 pm

1 stop25h 24m

$539

DecaturBaltimore

DEC - BWI

DECBWI

Decatur Arpt

Mon 7/6

6:45 pm-12:28 am

1 stop4h 43m

Baltimore/Washington

Mon 7/13

5:32 pm-5:56 pm

1 stop25h 24m

$572

DecaturBaltimore

DEC - BWI

DECBWI

Decatur Arpt

Mon 7/13

9:37 am-5:36 pm

1 stop6h 59m

Baltimore/Washington

Fri 7/17

10:32 am-5:56 pm

1 stop8h 24m

$739

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Decatur, Illinois to Baltimore

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 airlines fly to Baltimore?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Baltimore from Decatur, Illinois according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 3 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

When to book flights from Decatur, Illinois to Baltimore

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

Cheap Decatur, Illinois to Baltimore (DEC to BWI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Decatur, Illinois to Baltimore

Fastest flight time

4h 43m

Direct flights

None
The fastest flight from Decatur, Illinois to Baltimore takes 4h 43m
There are no direct flights from Decatur, Illinois to Baltimore. There are no popular flight routes from Decatur, Illinois to Baltimore.
Search flight deals

Frequently asked questions about flying from Decatur, Illinois to Baltimore

  • How far is Decatur Arpt to Baltimore/Washington by plane?

    A flight from Decatur Arpt to Baltimore/Washington will travel around 657.5 mi. Flights usually cover this in 4h 43m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Decatur Arpt Airport to Baltimore/Washington Airport?

    Prices for flights from Decatur Arpt Airport to Baltimore/Washington Airport refresh daily.

  • How old do you have to be to fly from Decatur Arpt Airport to Baltimore/Washington Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Decatur Arpt Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The required travel and health documents for your Baltimore/Washington Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Baltimore/Washington Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Decatur to Baltimore?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Decatur to Baltimore for you.

Can I find flights from Decatur to Baltimore with flexible booking policies on momondo?

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

How can momondo help me find flights from Decatur to Baltimore?

momondo provides multiple filters to help you find the best flight to Baltimore from Decatur. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Decatur to Baltimore now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Baltimore and let you know when they change.

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