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Harrisburg

$102+ Cheap flights from Illinois to Harrisburg (MDT)

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MDT
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Illinois to Harrisburg

Keep the following information in mind while searching for Illinois to Harrisburg flight deals. Data was last updated July 31, 2025.

Round-trip from

$205
(FlightHub)

One-way from

$102
(Mytrip)

Popular in

November

Cheapest in

May

Average price

$349
From Illinois to Harrisburg
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One-way flight from Illinois to Harrisburg
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Highest demand for flights based on searches. 8% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Illinois to Harrisburg

Cheapest flights from Illinois to Harrisburg
Explore the most affordable flight options available from Illinois to Harrisburg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/135:40 pmSTL - MDT
1 stop15h 28mFrontier
Sat 8/1611:23 amMDT - STL
1 stop13h 24mFrontier
Deal found 7/30$205
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1311:28 amORD - MDT
1 stop21h 40mFrontier
Sat 8/1611:23 amMDT - ORD
1 stop29h 30mFrontier
Deal found 7/30$205
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/276:10 pmORD - MDT
Nonstop2h 05mUnited Airlines
Tue 9/25:48 pmMDT - ORD
Nonstop2h 07mUnited Airlines
Deal found 7/30$209
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/138:07 amORD - MDT
Nonstop1h 56mAmerican Airlines
Sat 8/165:00 amMDT - ORD
Nonstop2h 18mAmerican Airlines
Deal found 7/30$229
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/148:12 pmORD - MDT
2 stops23h 20mMultiple Airlines
Mon 8/189:22 pmMDT - ORD
2 stops22h 45mMultiple Airlines
Deal found 7/30$231
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2711:05 amORD - MDT
2 stops10h 19mDelta
Sun 8/316:10 amMDT - ORD
1 stop5h 10mDelta
Deal found 7/30$234
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/223:53 pmSTL - MDT
1 stop6h 04mAmerican Airlines
Sun 8/245:00 amMDT - STL
1 stop4h 20mAmerican Airlines
Deal found 7/29$249
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:30 amMDW - MDT
1 stop5h 39mDelta
Thu 11/276:10 amMDT - MDW
1 stop3h 35mDelta
Deal found 7/29$265
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/18:35 amMDW - MDT
1 stop24h 53mFrontier
Sun 8/311:06 amMDT - MDW
1 stop29h 00mFrontier
Deal found 7/31$295
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:15 pmSTL - MDT
1 stop5h 00mDelta
Sat 10/1812:20 pmMDT - STL
2 stops6h 42mDelta
Deal found 7/30$299
This United Airlines deal was found by Cheapflights users on 7/30. 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 11/141:20 pmPIA - MDT
1 stop6h 44mUnited Airlines
Sat 11/158:15 amMDT - PIA
1 stop5h 24mUnited Airlines
Deal found 7/30$319
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/89:50 amSTL - MDT
2 stops9h 11mMultiple Airlines
Sun 8/109:19 pmMDT - STL
3 stops22h 22mMultiple Airlines
Deal found 7/31$414

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Harrisburg 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 31, 2025.
Use the filters below to find and compare flights from Illinois to Harrisburg that are best for you.

Fly from

Illinois

Fly to

Harrisburg

Route

Depart

Return

Price

St. LouisHarrisburg

STL - MDT

STLMDT

Lambert-St Louis

Wed 8/13

5:40 pm-10:08 am

1 stop15h 28m

Harrisburg

Sat 8/16

11:23 am-11:47 pm

1 stop13h 24m

$205

ChicagoHarrisburg

ORD - MDT

ORDMDT

Chicago O'Hare Intl

Wed 8/13

11:28 am-10:08 am

1 stop21h 40m

Harrisburg

Sat 8/16

11:23 am-3:53 pm

1 stop29h 30m

$205

ChicagoHarrisburg

ORD - MDT

ORDMDT

Chicago O'Hare Intl

Wed 8/27

6:10 pm-9:15 pm

Nonstop2h 05m

Harrisburg

Tue 9/2

5:48 pm-6:55 pm

Nonstop2h 07m

$209

ChicagoHarrisburg

ORD - MDT

ORDMDT

Chicago O'Hare Intl

Wed 8/13

8:07 am-11:03 am

Nonstop1h 56m

Harrisburg

Sun 8/17

6:26 pm-7:44 pm

Nonstop2h 18m

$229

ChicagoHarrisburg

ORD - MDT

ORDMDT

Chicago O'Hare Intl

Thu 8/14

8:12 pm-8:32 pm

2 stops23h 20m

Harrisburg

Mon 8/18

9:22 pm-7:07 pm

2 stops22h 45m

$231

ChicagoHarrisburg

ORD - MDT

ORDMDT

Chicago O'Hare Intl

Wed 8/27

11:05 am-10:24 pm

2 stops10h 19m

Harrisburg

Sun 8/31

6:10 am-10:20 am

1 stop5h 10m

$234

St. LouisHarrisburg

STL - MDT

STLMDT

Lambert-St Louis

Fri 8/22

3:53 pm-10:57 pm

1 stop6h 04m

Harrisburg

Sun 8/24

5:00 am-8:20 am

1 stop4h 20m

$249

ChicagoHarrisburg

MDW - MDT

MDWMDT

Chicago Midway

Wed 11/26

9:30 am-4:09 pm

1 stop5h 39m

Harrisburg

Thu 11/27

6:10 am-8:45 am

1 stop3h 35m

$265

St. LouisHarrisburg

STL - MDT

STLMDT

Lambert-St Louis

Tue 10/14

5:15 pm-11:15 pm

1 stop5h 00m

Harrisburg

Sat 10/18

12:20 pm-6:02 pm

2 stops6h 42m

$299

PeoriaHarrisburg

PIA - MDT

PIAMDT

Greater Peoria

Fri 11/14

1:20 pm-9:04 pm

1 stop6h 44m

Harrisburg

Sat 11/15

8:15 am-12:39 pm

1 stop5h 24m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 26 results
1
2
3

Best time to book a flight from Illinois to Harrisburg

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

Cheapflights Insights

Everything you need to know about your flight from Illinois to Harrisburg

What is the cheapest month to book a flight from Illinois to Harrisburg?

Currently, January is the cheapest month in which you can book a flight from Illinois to Harrisburg (average of $355). Flying from Illinois to Harrisburg in November is currently the most expensive (average of $408). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to MDT?

Find hourly flight availability from Illinois to Harrisburg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

When flying from Illinois to Harrisburg, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Illinois to Harrisburg

Explore weekly flight availability from Illinois to Harrisburg. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 31, 2025.

The most flights from USIL to MDT are scheduled on a Thursday (15 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from Illinois to Harrisburg?

Reviews of airlines servicing Harrisburg

Get insights into the airlines that provide service to Harrisburg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harrisburg. Reviews last updated July 31, 2025.
Read through reviews of airlines operating flights from Illinois to Harrisburg, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,239 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Illinois to Harrisburg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Harrisburg from Illinois?

    If you book a flight to Harrisburg from Illinois, you will be flying to Harrisburg, which is the city’s only airport. Harrisburg (MDT) is located 8.5 mi from the center of Harrisburg.

  • What are the cheapest airlines to fly from Illinois to Harrisburg one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $105. Users have also found prices from $126 and $224 on Delta and United Airlines, respectively.

  • What are the most popular routes from Illinois to Harrisburg?

    When deciding which route to take from Illinois to Harrisburg consider Chicago O'Hare Intl - Harrisburg, Chicago Midway - Harrisburg or Lambert-St Louis - Harrisburg as they are the most popular.

  • What are the most reliable airlines from Illinois to Harrisburg?

    The top 3 most reliable airlines when flying from Illinois to Harrisburg are SkyWest Airlines (83%), Piedmont Airlines (81%) and Alaska Airlines (79%).

  • What are the cheapest flights from Illinois to Harrisburg?

    While on average a flight from Illinois to Harrisburg is generally $296, our data shows the cheapest flight currently is $209. When looking at the most popular route, (Chicago O'Hare Intl - Harrisburg), you can expect to pay $209 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Harrisburg by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Harrisburg?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Harrisburg (average of $355). Flying from Illinois to Harrisburg in November is currently the most expensive (average of $408). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Harrisburg?

Book flights to Harrisburg if you plan to visit one of these locations
Carlisle
Hershey
Mechanicsburg
Camp Hill

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Alternative routes for Illinois to Harrisburg

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Illinois to Harrisburg

Discover the top 2 airlines that operate flights from Illinois to Harrisburg. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$202Average$393FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$213Average$328FlexibilityNo cancel feeOn-time71%

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