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Cheap flights from Harrisburg to Decatur from $374

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Harrisburg to Decatur departing on 4/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Harrisburg to Decatur

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:29 am - 12:54 pm
MDT
-
DEC
5h 25m
1 stop
United Airlines Logo
9:52 am - 4:51 pm
DEC
-
MDT
5h 59m
1 stop
$374United Airlines
Sat, Apr 25 - Wed, Apr 29
United Airlines Logo
8:29 am - 12:54 pm
MDT
-
DEC
5h 25m
1 stop
United Airlines Logo
9:52 am - 4:51 pm
DEC
-
MDT
5h 59m
1 stop
$394United Airlines
Sat, Apr 25 - Wed, Apr 29
United Airlines Logo
8:29 am - 12:54 pm
MDT
-
DEC
5h 25m
1 stop
United Airlines Logo
9:52 am - 4:51 pm
DEC
-
MDT
5h 59m
1 stop
$405United Airlines
Sat, Apr 25 - Wed, Apr 29
United Airlines Logo
8:29 am - 12:54 pm
MDT
-
DEC
5h 25m
1 stop
United Airlines Logo
9:52 am - 4:51 pm
DEC
-
MDT
5h 59m
1 stop
$425United Airlines
Sat, Apr 25 - Wed, Apr 29
United Airlines Logo
2:41 pm - 8:58 am
MDT
-
DEC
19h 17m
2 stops
United Airlines Logo
9:52 am - 4:51 pm
DEC
-
MDT
5h 59m
1 stop
$430United Airlines
Sat, Apr 25 - Wed, Apr 29
United Airlines Logo
2:41 pm - 8:58 am
MDT
-
DEC
19h 17m
2 stops
United Airlines Logo
9:52 am - 4:51 pm
DEC
-
MDT
5h 59m
1 stop
$450United Airlines
Sat, Apr 25 - Wed, Apr 29
United Airlines Logo
8:29 am - 12:54 pm
MDT
-
DEC
5h 25m
1 stop
United Airlines Logo
9:52 am - 11:28 pm
DEC
-
MDT
12h 36m
2 stops
$466United Airlines
Sat, Apr 25 - Wed, Apr 29
United Airlines Logo
2:41 pm - 8:58 am
MDT
-
DEC
19h 17m
2 stops
United Airlines Logo
7:37 pm - 11:28 pm
DEC
-
MDT
26h 51m
2 stops
$481United Airlines
Sat, Apr 25 - Wed, Apr 29
United Airlines Logo
2:41 pm - 5:57 pm
MDT
-
DEC
28h 16m
2 stops
United Airlines Logo
9:52 am - 11:28 pm
DEC
-
MDT
12h 36m
2 stops
$517United Airlines
Sat, Apr 25 - Wed, Apr 29
United Airlines Logo
2:41 pm - 5:57 pm
MDT
-
DEC
28h 16m
2 stops
United Airlines Logo
9:52 am - 11:28 pm
DEC
-
MDT
12h 36m
2 stops
$527United Airlines
Sat, Apr 25 - Wed, Apr 29

United Airlines flights from Harrisburg to Decatur, Illinois

Our best United Airlines deals on Harrisburg to Decatur, Illinois flight tickets
United Airlines
Apr 25
MDT8:29 amHarrisburg
5h 25m
1 stop
DEC12:54 pmDecatur Arpt
Apr 29
DEC9:52 amDecatur Arpt
5h 59m
1 stop
MDT4:51 pmHarrisburg
$374
United Airlines
Apr 25
MDT8:29 amHarrisburg
5h 25m
1 stop
DEC12:54 pmDecatur Arpt
Apr 29
DEC9:52 amDecatur Arpt
5h 59m
1 stop
MDT4:51 pmHarrisburg
$394
United Airlines
Apr 25
MDT8:29 amHarrisburg
5h 25m
1 stop
DEC12:54 pmDecatur Arpt
Apr 29
DEC9:52 amDecatur Arpt
5h 59m
1 stop
MDT4:51 pmHarrisburg
$405

momondo Fare Finder

 
Customize your flight search to find flights from Harrisburg to Decatur, Illinois 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, momondo users made 832,500 searches. Data last updated March 16, 2026.
Use the filters below to find and compare flights from Harrisburg to Decatur, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HarrisburgDecatur

MDT - DEC

MDTDEC

Harrisburg

Sat 4/25

8:29 am-12:54 pm

1 stop5h 25m

Decatur Arpt

Wed 4/29

9:52 am-4:51 pm

1 stop5h 59m

$374

HarrisburgDecatur

MDT - DEC

MDTDEC

Harrisburg

Sat 4/25

8:29 am-12:54 pm

1 stop5h 25m

Decatur Arpt

Wed 4/29

9:52 am-4:51 pm

1 stop5h 59m

$394

HarrisburgDecatur

MDT - DEC

MDTDEC

Harrisburg

Sat 4/25

8:29 am-12:54 pm

1 stop5h 25m

Decatur Arpt

Wed 4/29

9:52 am-4:51 pm

1 stop5h 59m

$405

HarrisburgDecatur

MDT - DEC

MDTDEC

Harrisburg

Sat 4/25

8:29 am-12:54 pm

1 stop5h 25m

Decatur Arpt

Wed 4/29

9:52 am-4:51 pm

1 stop5h 59m

$425

HarrisburgDecatur

MDT - DEC

MDTDEC

Harrisburg

Sat 4/25

2:41 pm-8:58 am

2 stops19h 17m

Decatur Arpt

Wed 4/29

9:52 am-4:51 pm

1 stop5h 59m

$430

HarrisburgDecatur

MDT - DEC

MDTDEC

Harrisburg

Sat 4/25

2:41 pm-8:58 am

2 stops19h 17m

Decatur Arpt

Wed 4/29

9:52 am-4:51 pm

1 stop5h 59m

$450

HarrisburgDecatur

MDT - DEC

MDTDEC

Harrisburg

Sat 4/25

8:29 am-12:54 pm

1 stop5h 25m

Decatur Arpt

Wed 4/29

9:52 am-11:28 pm

2 stops12h 36m

$466

HarrisburgDecatur

MDT - DEC

MDTDEC

Harrisburg

Sat 4/25

2:41 pm-8:58 am

2 stops19h 17m

Decatur Arpt

Wed 4/29

7:37 pm-11:28 pm

2 stops26h 51m

$481

HarrisburgDecatur

MDT - DEC

MDTDEC

Harrisburg

Sat 4/25

2:41 pm-5:57 pm

2 stops28h 16m

Decatur Arpt

Wed 4/29

9:52 am-11:28 pm

2 stops12h 36m

$517

HarrisburgDecatur

MDT - DEC

MDTDEC

Harrisburg

Sat 4/25

2:41 pm-5:57 pm

2 stops28h 16m

Decatur Arpt

Wed 4/29

9:52 am-11:28 pm

2 stops12h 36m

$527

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Decatur from

How to get the cheapest flight ticket from Harrisburg to Decatur, Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Decatur, Illinois?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Decatur, Illinois from Harrisburg according to our data. American Airlines is the first choice among our users, with 73% of people opting to fly with this airline when traveling to Decatur, Illinois. Keep in mind that there are 3 different airlines that fly to Decatur, Illinois on a routine basis, so you have a few additional options to choose from.

When to book flights from Harrisburg to Decatur, Illinois

Are you open to changing your travel dates? Check out the ideal times to fly from Harrisburg to Decatur, Illinois according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Harrisburg to Decatur, Illinois (MDT to DEC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harrisburg to Decatur, Illinois

Fastest flight time

5h 25m

Direct flights

None
The fastest flight from Harrisburg to Decatur, Illinois takes 5h 25m
There are no direct flights from Harrisburg to Decatur, Illinois. There are no popular flight routes from Harrisburg to Decatur, Illinois.
Search flight deals

  • How far is Harrisburg to Decatur Arpt by plane?

    Harrisburg and Decatur Arpt are 638.1 mi apart from one another. By plane, this route typically takes 5h 25m.

  • When did momondo last update prices for flights from Harrisburg Airport to Decatur Arpt Airport?

    Prices for flights from Harrisburg Airport to Decatur Arpt Airport refresh daily.

  • How old do you have to be to fly from Harrisburg Airport to Decatur Arpt Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harrisburg Airport to Decatur Arpt Airport.

  • What documentation or ID do you need to fly to Decatur Arpt Airport?

    The necessary travel and health documents for your Decatur Arpt Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Decatur?

Book flights to Decatur if you plan to visit one of these locations
Effingham
Mattoon
Forsyth

Why use momondo?

Why should I use momondo to find a flight deal from Harrisburg to Decatur?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Harrisburg to Decatur for you.

Can I find flights from Harrisburg to Decatur with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Decatur from Harrisburg with this policy.

How can momondo help me find flights from Harrisburg to Decatur?

momondo provides multiple filters to help you find the best flight to Decatur from Harrisburg. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Harrisburg to Decatur right now. Can momondo alert me if prices change?

Price alerts on flights to Decatur from Harrisburg are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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