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$100+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MDT
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$208
(Booking.com)

One-way from

$100
(Booking.com)

Popular in

November

Cheapest in

December

Average price

$358
Provider with most accurate pricing for Chicago (CHI)-Harrisburg flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Harrisburg flights.
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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. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This Booking.com deal was found by Cheapflights users on 4/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/174:15 pmORD - MDT
1 stop24h 22mFrontier
Sat 5/248:12 pmMDT - ORD
1 stop13h 10mFrontier
Deal found 4/17$208
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/107:35 pmORD - MDT
Nonstop2h 03mUnited Airlines
Sun 5/116:15 amMDT - ORD
Nonstop2h 08mUnited Airlines
Deal found 4/17$209
This Delta deal was found by Cheapflights users on 4/17. 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.
Sat 5/2410:35 amORD - MDT
1 stop3h 48mDelta
Wed 5/286:00 amMDT - ORD
1 stop7h 20mDelta
Deal found 4/17$229
This Delta deal was found by Cheapflights users on 4/16. 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.
Sat 5/109:16 amMDW - MDT
1 stop5h 07mDelta
Sun 5/116:00 amMDT - MDW
1 stop4h 40mDelta
Deal found 4/16$229
This American Airlines deal was found by Cheapflights users on 4/16. 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 5/93:37 pmPIA - MDT
1 stop7h 02mAmerican Airlines
Tue 5/135:37 amMDT - PIA
1 stop6h 27mAmerican Airlines
Deal found 4/16$249
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Thu 5/297:29 pmORD - MDT
Nonstop1h 55mAmerican Airlines
Sun 6/15:00 amMDT - ORD
1 stop6h 41mAmerican Airlines
Deal found 4/17$259
This Mytrip deal was found by Cheapflights users on 4/16. 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.
Sat 6/148:19 amORD - MDT
1 stop6h 25mMultiple Airlines
Sun 6/224:34 pmMDT - ORD
1 stop21h 05mMultiple Airlines
Deal found 4/16$271
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1712:46 pmMDW - MDT
1 stop27h 04mFrontier
Sat 4/195:40 pmMDT - MDW
1 stop16h 44mFrontier
Deal found 4/15$298
This Delta deal was found by Cheapflights users on 4/17. 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.
Fri 4/255:37 pmSTL - MDT
1 stop4h 17mDelta
Wed 4/306:05 amMDT - STL
1 stop4h 31mDelta
Deal found 4/17$309
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Mon 5/261:59 pmSTL - MDT
1 stop6h 04mAmerican Airlines
Fri 5/305:00 amMDT - STL
1 stop4h 56mAmerican Airlines
Deal found 4/16$331
This United Airlines deal was found by Cheapflights users on 4/16. 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 5/143:43 pmSTL - MDT
1 stop4h 43mUnited Airlines
Wed 5/216:15 amMDT - STL
1 stop7h 04mUnited Airlines
Deal found 4/16$367
This Mytrip deal was found by Cheapflights users on 4/16. 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.
Sun 5/1110:10 amSTL - MDT
1 stop29h 06mMultiple Airlines
Thu 5/226:59 pmMDT - STL
3 stops24h 42mMultiple Airlines
Deal found 4/16$380

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 April 17, 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

ChicagoHarrisburg

ORD - MDT

ORDMDT

Chicago O'Hare Intl

Sat 6/14

7:35 pm-10:39 pm

Nonstop2h 04m

Harrisburg

Sun 6/22

6:30 am-7:41 am

Nonstop2h 11m

$209

ChicagoHarrisburg

ORD - MDT

ORDMDT

Chicago O'Hare Intl

Thu 5/29

5:30 am-11:01 am

1 stop4h 31m

Harrisburg

Sun 6/1

6:24 am-9:51 am

1 stop4h 27m

$229

ChicagoHarrisburg

MDW - MDT

MDWMDT

Chicago Midway

Sat 5/10

9:16 am-3:23 pm

1 stop5h 07m

Harrisburg

Sun 5/11

6:00 am-9:40 am

1 stop4h 40m

$229

PeoriaHarrisburg

PIA - MDT

PIAMDT

Greater Peoria

Fri 5/9

3:37 pm-11:39 pm

1 stop7h 02m

Harrisburg

Tue 5/13

5:37 am-11:04 am

1 stop6h 27m

$249

ChicagoHarrisburg

ORD - MDT

ORDMDT

Chicago O'Hare Intl

Thu 5/29

7:29 pm-10:24 pm

Nonstop1h 55m

Harrisburg

Sun 6/1

5:00 am-10:41 am

1 stop6h 41m

$259

ChicagoHarrisburg

ORD - MDT

ORDMDT

Chicago O'Hare Intl

Sat 6/14

8:19 am-3:44 pm

1 stop6h 25m

Harrisburg

Sun 6/22

4:34 pm-12:39 pm

1 stop21h 05m

$271

ChicagoHarrisburg

ORD - MDT

ORDMDT

Chicago O'Hare Intl

Sat 6/14

9:08 am-10:03 am

1 stop23h 55m

Harrisburg

Sun 6/22

11:06 am-8:38 am

1 stop22h 32m

$323

St. LouisHarrisburg

STL - MDT

STLMDT

Lambert-St Louis

Mon 5/26

1:59 pm-9:03 pm

1 stop6h 04m

Harrisburg

Fri 5/30

5:00 am-8:56 am

1 stop4h 56m

$331

ChicagoHarrisburg

MDW - MDT

MDWMDT

Chicago Midway

Sat 6/14

9:12 pm-10:03 am

1 stop11h 51m

Harrisburg

Sun 6/22

11:06 am-8:17 pm

1 stop10h 11m

$351

St. LouisHarrisburg

STL - MDT

STLMDT

Lambert-St Louis

Wed 5/14

3:43 pm-9:26 pm

1 stop4h 43m

Harrisburg

Wed 5/21

6:15 am-12:19 pm

1 stop7h 04m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 24 results
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2
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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 June is currently the most expensive (average of $453). 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 April 17, 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 April 17, 2025.

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

Rainfall in Harrisburg by month

Plan your trip to Harrisburg by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Harrisburg ranges from 2.7 - 4.1 inches per month. May is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Harrisburg when rainfall is around 2.7 in.

Temperature in Harrisburg by month

Plan your trip to Harrisburg by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Harrisburg, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 17, 2025.
Read through reviews of airlines operating flights from Illinois to Harrisburg, such as Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
6.0
Okay
3,281 reviews
Delta
8.0
Very good
7,916 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 $100. Users have also found prices from $105 and $115 on United Airlines and Delta, 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 Greater Peoria - 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 Republic Airways (95%), Envoy Air (83%) and GoJet (80%).

  • What are the cheapest flights from Illinois to Harrisburg?

    While on average a flight from Illinois to Harrisburg is generally $303, our data shows the cheapest flight currently is $134. 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 June is currently the most expensive (average of $453). 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 Illinois?

Book flights to Illinois if you plan to visit one of these locations
Carlisle
Mechanicsburg
Hershey
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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$198Average$394FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$213Average$375FlexibilityNo cancel feeOn-time71%

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