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Decatur

$272+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — DEC
Jun 11 — Jun 181
Thu 6/11
Thu 6/18
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 May 12, 2026.

This United Airlines deal was found by Cheapflights users on 5/9. 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 10/108:15 am
BWI
-
DEC
1 stop25h 31m
United Airlines
Tue 10/136:55 pm
DEC
-
BWI
1 stop4h 43m
United Airlines
Deal found 5/9$445
This United Airlines deal was found by Cheapflights users on 5/7. 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 5/278:25 am
BWI
-
DEC
1 stop10h 31m
United Airlines
Sat 5/307:05 pm
DEC
-
BWI
1 stop4h 28m
United Airlines
Deal found 5/7$465
This United Airlines deal was found by Cheapflights users on 5/11. 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 6/186:20 am
BWI
-
DEC
1 stop12h 36m
United Airlines
Mon 6/226:45 pm
DEC
-
BWI
1 stop13h 32m
United Airlines
Deal found 5/11$480
This United Airlines deal was found by Cheapflights users on 5/10. 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 8/251:00 pm
BWI
-
DEC
1 stop5h 54m
United Airlines
Sat 8/297:20 pm
DEC
-
BWI
1 stop26h 39m
United Airlines
Deal found 5/10$529
This United Airlines deal was found by Cheapflights users on 5/11. 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 5/2610:44 am
BWI
-
DEC
1 stop8h 12m
United Airlines
Sat 5/307:05 pm
DEC
-
BWI
1 stop4h 28m
United Airlines
Deal found 5/11$558
This United Airlines deal was found by Cheapflights users on 5/8. 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 6/156:20 am
BWI
-
DEC
1 stop12h 36m
United Airlines
Tue 6/166:45 pm
DEC
-
BWI
1 stop18h 09m
United Airlines
Deal found 5/8$568

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 May 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$445
(United Airlines)

One-way from

$272
(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 May 12, 2026.
Use the filters below to find and compare flights from Baltimore to Decatur that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Sat 10/10

8:15 am-8:46 am

1 stop25h 31m

Decatur Arpt

Tue 10/13

6:55 pm-12:38 am

1 stop4h 43m

$445

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

$465

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Thu 6/18

6:20 am-5:56 pm

1 stop12h 36m

Decatur Arpt

Mon 6/22

6:45 pm-9:17 am

1 stop13h 32m

$480

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Tue 8/25

1:00 pm-5:54 pm

1 stop5h 54m

Decatur Arpt

Sat 8/29

7:20 pm-1:58 pm

1 stop17h 38m

$529
Quickest round-trip

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Tue 5/26

10:44 am-5:56 pm

1 stop8h 12m

Decatur Arpt

Sat 5/30

7:05 pm-12:33 am

1 stop4h 28m

$558

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Mon 6/15

6:20 am-5:56 pm

1 stop12h 36m

Decatur Arpt

Tue 6/16

6:45 pm-1:54 pm

1 stop18h 09m

$568
Cheapest one-way

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Wed 5/27

6:10 am-5:56 pm

1 stop12h 46m

$272

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Sat 8/8

5:32 pm-8:57 am

1 stop16h 25m

$288

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Fri 8/7

6:15 am-5:56 pm

1 stop12h 41m

$288
Quickest one-way

BaltimoreDecatur

BWI - DEC

BWIDEC

Baltimore/Washington

Sun 6/7

6:20 am-5:56 pm

1 stop12h 36m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Sorted by cheapest first

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 May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Decatur, Illinois flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 25h 31m. 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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