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Decatur

$426+ Cheap flights from Harrisburg to Decatur, IL (MDT - 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — DEC
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Harrisburg to Decatur

Best flights from Harrisburg to Decatur
Discover carefully curated flight deals from Harrisburg to Decatur that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 1/216:30 amMDT - DEC
1 stop27h 35mUnited Airlines
Sat 1/247:09 pmDEC - MDT
1 stop14h 04mUnited Airlines
Deal found 12/15$426

Find flight deals from Harrisburg to Decatur

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) 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 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$426
(United Airlines)
Provider with most accurate pricing for Harrisburg-Decatur Arpt flight deals.
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Provider most trusted by Cheapflights users for Harrisburg-Decatur Arpt flights.
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From Harrisburg to Decatur Arpt
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Harrisburg 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 18, 2025.
Use the filters below to find and compare flights from Harrisburg to Decatur that are best for you.

Fly from

Harrisburg

Fly to

Decatur

Route

Depart

Return

Price

HarrisburgDecatur

MDT - DEC

MDTDEC

Harrisburg

Wed 1/21

6:30 am-9:05 am

1 stop27h 35m

Decatur Arpt

Sat 1/24

7:09 pm-10:13 am

1 stop14h 04m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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

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

    For as low as $426, United Airlines can have you in Decatur, Illinois from Harrisburg in 27h 35m. Harrisburg and Decatur, Illinois are separated by a distance of 640 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Harrisburg 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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