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$359+ Cheap flights from Decatur, IL to Baltimore (DEC - BWI)

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEC — BWI
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheap flight deals from Decatur to Baltimore

Cheapest flights from Decatur to Baltimore
Explore the most affordable flight options available from Decatur to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.

This United Airlines deal was found by Cheapflights users on 7/20. 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 8/187:20 pm
DEC
-
BWI
1 stop22h 22m
United Airlines
Mon 8/241:00 pm
BWI
-
DEC
1 stop5h 59m
United Airlines
Deal found 7/20$431
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/247:20 pm
DEC
-
BWI
1 stop13h 49m
United Airlines
Fri 8/288:10 am
BWI
-
DEC
1 stop10h 49m
United Airlines
Deal found 7/20$502
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/69:37 am
DEC
-
BWI
1 stop6h 59m
United Airlines
Sat 8/88:16 am
BWI
-
DEC
1 stop25h 41m
United Airlines
Deal found 7/22$519
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/59:37 am
DEC
-
BWI
1 stop6h 59m
United Airlines
Sun 8/910:32 am
BWI
-
DEC
1 stop8h 24m
United Airlines
Deal found 7/21$542
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/69:37 am
DEC
-
BWI
1 stop6h 59m
United Airlines
Mon 8/106:15 am
BWI
-
DEC
1 stop12h 41m
United Airlines
Deal found 7/22$552
This United Airlines deal was found by Cheapflights users on 7/21. 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 7/296:45 pm
DEC
-
BWI
1 stop4h 43m
United Airlines
Fri 7/315:32 pm
BWI
-
DEC
1 stop25h 24m
United Airlines
Deal found 7/21$650

Find flight deals from Decatur to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Decatur (DEC) to Baltimore (BWI). 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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$431
(United Airlines)

One-way from

$359
(United Airlines)
Provider with most accurate pricing for Decatur Arpt-Baltimore/Washington flight deals.
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Provider most trusted by Cheapflights users for Decatur Arpt-Baltimore/Washington flights.
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From Decatur Arpt to Baltimore/Washington
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One-way flight from Decatur Arpt to Baltimore/Washington
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Decatur 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, Cheapflights users made 2,558,603 searches. Data last updated July 24, 2026.
Use the filters below to find and compare flights from Decatur to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DecaturBaltimore

DEC - BWI

DECBWI

Decatur Arpt

Tue 8/18

7:20 pm-6:42 pm

1 stop22h 22m

Baltimore/Washington

Mon 8/24

1:00 pm-5:59 pm

1 stop5h 59m

$431

DecaturBaltimore

DEC - BWI

DECBWI

Decatur Arpt

Fri 8/14

9:12 am-10:09 am

1 stop23h 57m

Baltimore/Washington

Fri 8/21

1:00 pm-5:59 pm

1 stop5h 59m

$431

DecaturBaltimore

DEC - BWI

DECBWI

Decatur Arpt

Mon 8/24

7:20 pm-10:09 am

1 stop13h 49m

Baltimore/Washington

Fri 8/28

8:10 am-5:59 pm

1 stop10h 49m

$502

DecaturBaltimore

DEC - BWI

DECBWI

Decatur Arpt

Thu 8/6

9:37 am-5:36 pm

1 stop6h 59m

Baltimore/Washington

Sat 8/8

8:16 am-8:57 am

1 stop25h 41m

$519
Quickest round-trip

DecaturBaltimore

DEC - BWI

DECBWI

Decatur Arpt

Wed 8/5

9:37 am-5:36 pm

1 stop6h 59m

Baltimore/Washington

Sun 8/9

10:32 am-5:56 pm

1 stop8h 24m

$542

DecaturBaltimore

DEC - BWI

DECBWI

Decatur Arpt

Thu 8/6

9:37 am-5:36 pm

1 stop6h 59m

Baltimore/Washington

Mon 8/10

6:15 am-5:56 pm

1 stop12h 41m

$552
Cheapest one-way
Quickest one-way

DecaturBaltimore

DEC - BWI

DECBWI

Decatur Arpt

Thu 8/6

9:37 am-5:36 pm

1 stop6h 59m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Sorted by cheapest first

Compare providers for flights from Decatur to Baltimore

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 Decatur to Baltimore in July.
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 Decatur, Illinois-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Decatur, Illinois-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Decatur, Illinois-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Decatur, Illinois-Baltimore 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 Decatur, Illinois-Baltimore 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 Decatur to Baltimore

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

    Airlines like United Airlines fly from Decatur, Illinois to Baltimore in about 22h 22m. The time it takes to get you to your destination can typically vary by up to . The distance from Decatur, Illinois to Baltimore is about 651 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Decatur to Baltimore 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

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