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Decatur

$333+ Cheap flights from Baltimore to Decatur, IL (BWI - 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — DEC
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Baltimore to Decatur

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) 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 September 17, 2025.

Round-trip from

$345
(United Airlines)

One-way from

$333
(United Airlines)
From Baltimore/Washington to Decatur Arpt
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One-way flight from Baltimore/Washington to Decatur Arpt
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Find flight deals from Baltimore to Decatur

Cheapest flights from Baltimore to Decatur
Explore the most affordable flight options available from Baltimore to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/16. 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 10/147:05 pmBWI - DEC
1 stop23h 59mUnited Airlines
Tue 10/219:38 amDEC - BWI
1 stop6h 48mUnited Airlines
Deal found 9/16$345
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/316:15 amBWI - DEC
1 stop12h 37mUnited Airlines
Fri 11/79:44 amDEC - BWI
1 stop6h 30mUnited Airlines
Deal found 9/16$354
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/101:10 pmBWI - DEC
1 stop5h 42mUnited Airlines
Sat 12/137:08 pmDEC - BWI
1 stop17h 42mUnited Airlines
Deal found 9/14$383
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/136:15 amBWI - DEC
1 stop12h 37mUnited Airlines
Sun 11/167:08 pmDEC - BWI
1 stop13h 51mUnited Airlines
Deal found 9/15$394
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/110:51 amBWI - DEC
1 stop8h 13mUnited Airlines
Sun 10/56:55 pmDEC - BWI
1 stop14h 00mUnited Airlines
Deal found 9/16$450
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/3010:51 amBWI - DEC
1 stop23h 00mUnited Airlines
Sat 10/49:38 amDEC - BWI
1 stop10h 44mUnited Airlines
Deal found 9/15$458
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/96:29 amBWI - DEC
1 stop12h 35mUnited Airlines
Sat 10/119:38 amDEC - BWI
1 stop10h 44mUnited Airlines
Deal found 9/16$472

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore 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 September 17, 2025.
Use the filters below to find and compare flights from Baltimore to Decatur that are best for you.

Fly from

Baltimore

Fly to

Decatur

Route

Depart

Return

Price

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Tue 10/14

7:05 pm-6:04 pm

1 stop23h 59m

Decatur Arpt

Tue 10/21

9:38 am-5:26 pm

1 stop6h 48m

$345

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Fri 10/31

6:15 am-5:52 pm

1 stop12h 37m

Decatur Arpt

Fri 11/7

9:44 am-5:14 pm

1 stop6h 30m

$354

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Thu 11/13

6:15 am-5:52 pm

1 stop12h 37m

Decatur Arpt

Mon 11/17

9:44 am-5:14 pm

1 stop6h 30m

$354

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Fri 11/14

6:15 am-5:52 pm

1 stop12h 37m

Decatur Arpt

Mon 11/17

9:44 am-5:14 pm

1 stop6h 30m

$354

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Tue 12/9

1:10 pm-5:52 pm

1 stop5h 42m

Decatur Arpt

Sat 12/13

7:08 pm-9:19 pm

1 stop25h 11m

$383

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Wed 12/10

1:10 pm-5:52 pm

1 stop5h 42m

Decatur Arpt

Sat 12/13

7:08 pm-1:50 pm

1 stop17h 42m

$383

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Thu 11/13

6:15 am-5:52 pm

1 stop12h 37m

Decatur Arpt

Sun 11/16

7:08 pm-9:59 am

1 stop13h 51m

$394

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Fri 11/14

6:15 am-5:52 pm

1 stop12h 37m

Decatur Arpt

Sun 11/16

7:08 pm-9:59 am

1 stop13h 51m

$394

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Wed 10/1

10:51 am-6:04 pm

1 stop8h 13m

Decatur Arpt

Sun 10/5

6:55 pm-9:55 am

1 stop14h 00m

$450

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Tue 9/30

10:51 am-8:51 am

1 stop23h 00m

Decatur Arpt

Sat 10/4

9:38 am-9:22 pm

1 stop10h 44m

$458

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 12 results
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Best time to book a flight from Baltimore to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur from Baltimore 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.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Decatur. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Baltimore to Decatur, Illinois?

    United Airlines can get you from Baltimore to Decatur, Illinois in just under 23h 59m. Your travel time can differ by up to . Airlines will cover a distance of 651 mi.

  • Can I find deals for flights from Baltimore to Decatur that include hotel bookings?

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

  • How can I find direct flights from Baltimore to Decatur?

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

  • Can I find deals for business class flights from Baltimore to Decatur?

    Yes. Cheapflights offers flight deals from Baltimore 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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