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Decatur

$181+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — DEC
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap 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 December 3, 2025.

This United Airlines deal was found by Cheapflights users on 12/1. 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 12/161:10 pmBWI - DEC
1 stop5h 42mUnited Airlines
Sat 12/209:44 amDEC - BWI
1 stop6h 14mUnited Airlines
Deal found 12/1$374
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/1710:20 amBWI - DEC
1 stop23h 45mUnited Airlines
Sun 12/219:44 amDEC - BWI
1 stop6h 14mUnited Airlines
Deal found 12/1$453
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Mon 12/226:15 amBWI - DEC
1 stop12h 44mUnited Airlines
Fri 12/269:44 amDEC - BWI
1 stop6h 14mUnited Airlines
Deal found 12/2$522
This United Airlines deal was found by Cheapflights users on 12/1. 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.
Sat 12/205:19 pmBWI - DEC
1 stop16h 46mUnited Airlines
Sat 12/279:44 amDEC - BWI
1 stop6h 14mUnited Airlines
Deal found 12/1$597
This United Airlines deal was found by Cheapflights users on 12/1. 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.
Sat 12/2010:44 amBWI - DEC
1 stop23h 21mUnited Airlines
Sun 12/289:44 amDEC - BWI
1 stop6h 14mUnited Airlines
Deal found 12/1$637
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/95:18 pmBWI - DEC
1 stop16h 30mUnited Airlines
Thu 12/117:08 pmDEC - BWI
1 stop25h 00mUnited Airlines
Deal found 12/1$696

Find 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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$315
(United Airlines)

One-way from

$181
(United Airlines)
Provider with most accurate pricing for Baltimore/Washington-Decatur Arpt flight deals.
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Provider most trusted by Cheapflights users for Baltimore/Washington-Decatur Arpt flights.
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From Baltimore/Washington to Decatur Arpt
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One-way flight from Baltimore/Washington to Decatur Arpt
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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 December 3, 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

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

$315

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

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Mon 1/5

6:15 am-5:59 pm

1 stop12h 44m

Decatur Arpt

Thu 1/8

9:49 am-9:21 pm

1 stop10h 32m

$436

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Wed 12/17

10:20 am-9:05 am

1 stop23h 45m

Decatur Arpt

Sun 12/21

9:44 am-4:58 pm

1 stop6h 14m

$453

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Mon 12/22

6:15 am-5:59 pm

1 stop12h 44m

Decatur Arpt

Fri 12/26

9:44 am-4:58 pm

1 stop6h 14m

$522

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Sat 12/20

5:19 pm-9:05 am

1 stop16h 46m

Decatur Arpt

Sat 12/27

9:44 am-4:58 pm

1 stop6h 14m

$597

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Sat 12/20

10:44 am-9:05 am

1 stop23h 21m

Decatur Arpt

Sun 12/28

9:44 am-4:58 pm

1 stop6h 14m

$637

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Sat 1/17

10:05 am-9:05 am

1 stop24h 00m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Compare providers for flights from Baltimore to Decatur

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Decatur in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Decatur, Illinois flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Baltimore-Decatur, Illinois flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Baltimore-Decatur, Illinois flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Decatur, Illinois flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Decatur, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Decatur

What is the cheapest month to book a flight from Baltimore to Decatur, Illinois?

Currently, August is the cheapest month in which you can book a flight from Baltimore to Decatur, Illinois (average of $154). Flying from Baltimore to Decatur, Illinois in May is currently the most expensive (average of $383). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 24h. 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.

  • What is the cheapest month to book a flight from Baltimore to Decatur, Illinois?

    Currently, August is the cheapest month in which you can book a flight from Baltimore to Decatur, Illinois (average of $154). Flying from Baltimore to Decatur, Illinois in May is currently the most expensive (average of $383). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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