$489+ Cheap flights from Baltimore to Decatur, IL (BWI - DEC)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — DEC
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore to Decatur with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Baltimore to Decatur
Cheapest
Best
Last-minute
Cheapest flights from Baltimore to DecaturExplore 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 24, 2026.
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 24, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Sat 10/316:10 am -
1 stop12h 45m
Mon 11/29:10 am -
1 stop3h 56m
Deal found 9/22![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/2812:34 pm -
1 stop6h 21m
Fri 10/306:57 pm -
1 stop18h 09m
Deal found 9/21![United Airlines logo]()
$505
This United Airlines deal was found by Cheapflights users on 9/19. 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 10/2011:55 am -
1 stop21h 40m
Fri 10/239:12 am -
1 stop24h 18m
Deal found 9/19![United Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/69:09 am -
1 stop10h 34m
Sat 10/107:18 pm -
1 stop14h 12m
Deal found 9/21![United Airlines logo]()
$681
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Fri 10/99:09 am -
1 stop10h 34m
Sun 10/119:12 am -
1 stop8h 01m
Deal found 9/22![United Airlines logo]()
$688
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/59:09 am -
1 stop10h 34m
Fri 10/99:12 am -
1 stop10h 50m
Deal found 9/20![United Airlines logo]()
$720
Best flights from Baltimore to DecaturDiscover carefully curated flight deals from Baltimore to Decatur that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
Discover carefully curated flight deals from Baltimore to Decatur that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Sat 10/316:10 am -
1 stop12h 45m
Mon 11/29:10 am -
1 stop3h 56m
Deal found 9/21![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/2812:34 pm -
1 stop6h 21m
Fri 10/306:57 pm -
1 stop18h 09m
Deal found 9/21![United Airlines logo]()
$505
This United Airlines deal was found by Cheapflights users on 9/19. 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 10/2011:55 am -
1 stop21h 40m
Fri 10/239:12 am -
1 stop24h 18m
Deal found 9/19![United Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/69:09 am -
1 stop10h 34m
Sat 10/107:18 pm -
1 stop14h 12m
Deal found 9/21![United Airlines logo]()
$681
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Wed 10/711:55 am -
1 stop7h 48m
Sun 10/119:12 am -
1 stop8h 01m
Deal found 9/22![United Airlines logo]()
$681
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/59:09 am -
1 stop10h 34m
Fri 10/99:12 am -
1 stop10h 50m
Deal found 9/20![United Airlines logo]()
$720
Last-minute flights from Baltimore to DecaturDiscover last-minute flight deals from Baltimore to Decatur. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Decatur. Data last updated September 24, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/59:09 am -
1 stop10h 34m
Fri 10/99:12 am -
1 stop10h 50m
Deal found 9/20![United Airlines logo]()
$720
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/69:09 am -
1 stop10h 34m
Sat 10/107:18 pm -
1 stop14h 12m
Deal found 9/21![United Airlines logo]()
$681
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Fri 10/99:09 am -
1 stop10h 34m
Sun 10/119:12 am -
1 stop8h 01m
Deal found 9/22![United Airlines logo]()
$688
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Mon 10/1211:55 am -
1 stop7h 48m
Fri 10/167:18 pm -
1 stop26h 41m
Deal found 9/21![United Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/2812:34 pm -
1 stop6h 21m
Fri 10/306:57 pm -
1 stop18h 09m
Deal found 9/21![United Airlines logo]()
$505
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/316:10 am -
1 stop12h 45m
Mon 11/29:10 am -
1 stop3h 56m
Deal found 9/23![United Airlines logo]()
$489
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 September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $489 (United Airlines) |
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 7,457,451 searches. Data last updated September 24, 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
Cheapest round-trip
BaltimoreDecatur
BWI Baltimore/Washington - DEC Decatur Arpt
BWIDEC
Baltimore/Washington
Sat 10/31
6:10 am-5:55 pm
1 stop12h 45m
Decatur Arpt
Mon 11/2
9:10 am-2:06 pm
1 stop3h 56m
$504
BaltimoreDecatur
BWI Baltimore/Washington - DEC Decatur Arpt
BWIDEC
Baltimore/Washington
Wed 10/28
12:34 pm-5:55 pm
1 stop6h 21m
Decatur Arpt
Fri 10/30
6:57 pm-2:06 pm
1 stop18h 09m
$505
BaltimoreDecatur
BWI Baltimore/Washington - DEC Decatur Arpt
BWIDEC
Baltimore/Washington
Tue 10/20
11:55 am-8:35 am
1 stop21h 40m
Decatur Arpt
Fri 10/23
9:12 am-10:30 am
1 stop24h 18m
$576
BaltimoreDecatur
BWI Baltimore/Washington - DEC Decatur Arpt
BWIDEC
Baltimore/Washington
Tue 10/6
9:09 am-6:43 pm
1 stop10h 34m
Decatur Arpt
Sat 10/10
7:18 pm-10:30 am
1 stop14h 12m
$681
Quickest round-trip
BaltimoreDecatur
BWI Baltimore/Washington - DEC Decatur Arpt
BWIDEC
Baltimore/Washington
Wed 10/7
11:55 am-6:43 pm
1 stop7h 48m
Decatur Arpt
Sun 10/11
9:12 am-6:13 pm
1 stop8h 01m
$681
BaltimoreDecatur
BWI Baltimore/Washington - DEC Decatur Arpt
BWIDEC
Baltimore/Washington
Mon 10/5
9:09 am-6:43 pm
1 stop10h 34m
Decatur Arpt
Fri 10/9
9:12 am-9:02 pm
1 stop10h 50m
$720
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
BWI-DEC
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.
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Book flights to Decatur if you plan to visit one of these locationsEffingham
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