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$79+ Cheap flights from Harrisburg (MDT) to Chicago (CHI)

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.
MDT — CHI
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Harrisburg to Chicago are usually found in January or February, booked 90 days in advance, depart on a Friday or Saturday and return on a Saturday

Cheap flight deals from Harrisburg to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) to Chicago (CHI). 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 August 14, 2025.

Round-trip from

$214
(Delta)

One-way from

$79
(Priceline)

Popular in

May

Cheapest in

January

Average price

$297
From Harrisburg to Chicago (CHI)
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One-way flight from Harrisburg to Chicago (CHI)
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Highest demand for flights based on searches. 7% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Harrisburg to Chicago

Cheapest flights from Harrisburg to Chicago
Explore the most affordable flight options available from Harrisburg to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Delta deal was found by Cheapflights users on 8/13. 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 11/86:00 amMDT - ORD
2 stops11h 11mDelta
Tue 11/117:00 amORD - MDT
1 stop3h 57mDelta
Deal found 8/13$214
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Sat 8/305:00 amMDT - ORD
Nonstop2h 18mAmerican Airlines
Sat 9/69:45 amORD - MDT
Nonstop2h 04mAmerican Airlines
Deal found 8/12$219
This Delta deal was found by Cheapflights users on 8/14. 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 10/186:00 amMDT - ORD
1 stop7h 16mDelta
Tue 10/214:05 pmORD - MDT
1 stop6h 03mDelta
Deal found 8/14$224
This Delta deal was found by Cheapflights users on 8/14. 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 10/226:25 pmMDT - MDW
1 stop4h 49mDelta
Sat 10/256:23 pmMDW - MDT
1 stop3h 37mDelta
Deal found 8/14$224
This Delta deal was found by Cheapflights users on 8/14. 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 8/3012:33 pmMDT - ORD
2 stops7h 46mDelta
Sat 9/65:45 pmORD - MDT
1 stop4h 34mDelta
Deal found 8/14$229
This Delta deal was found by Cheapflights users on 8/14. 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 8/3012:33 pmMDT - MDW
2 stops9h 39mDelta
Sat 9/64:25 pmMDW - MDT
1 stop6h 04mDelta
Deal found 8/14$229
This Orbitz deal was found by Cheapflights users on 8/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2312:48 pmMDT - ORD
1 stop6h 53mFrontier
Sun 8/247:46 pmORD - MDT
1 stop13h 12mFrontier
Deal found 8/13$231
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 10/166:30 amMDT - ORD
Nonstop2h 07mUnited Airlines
Tue 10/216:20 pmORD - MDT
Nonstop2h 05mUnited Airlines
Deal found 8/13$233
This Delta deal was found by Cheapflights users on 8/13. 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 11/86:00 amMDT - MDW
1 stop4h 40mDelta
Tue 11/119:30 amMDW - MDT
2 stops6h 36mDelta
Deal found 8/13$234
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/246:45 amMDT - ORD
Nonstop2h 07mUnited Airlines
Wed 10/18:50 amORD - MDT
1 stop4h 04mUnited Airlines
Deal found 8/14$237
This FlightHub deal was found by Cheapflights users on 8/14. 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 10/176:31 pmMDT - ORD
1 stop22h 08mFrontier
Sun 10/196:07 pmORD - MDT
1 stop22h 29mFrontier
Deal found 8/14$243
This Delta deal was found by Cheapflights users on 8/14. 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 10/186:10 amMDT - MDW
1 stop3h 30mDelta
Sat 10/254:23 pmMDW - MDT
1 stop5h 45mDelta
Deal found 8/14$250

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harrisburg to Chicago 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 August 14, 2025.
Use the filters below to find and compare flights from Harrisburg to Chicago that are best for you.

Fly from

Harrisburg

Fly to

Chicago

Route

Depart

Return

Price

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Sat 11/8

6:00 am-4:11 pm

2 stops11h 11m

Chicago O'Hare Intl

Tue 11/11

7:00 am-11:57 am

1 stop3h 57m

$214

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Sat 9/6

12:33 pm-7:09 pm

2 stops7h 36m

Chicago O'Hare Intl

Tue 9/16

5:00 pm-11:01 pm

1 stop5h 01m

$214

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Sat 8/30

5:00 am-6:18 am

Nonstop2h 18m

Chicago O'Hare Intl

Sat 9/6

9:45 am-12:49 pm

Nonstop2h 04m

$219

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Tue 11/11

5:00 pm-9:46 pm

1 stop5h 46m

Chicago O'Hare Intl

Sat 11/15

7:00 am-11:57 am

1 stop3h 57m

$224

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Sat 10/18

6:00 am-12:16 pm

1 stop7h 16m

Chicago O'Hare Intl

Tue 10/21

4:05 pm-11:08 pm

1 stop6h 03m

$224

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Sat 10/18

6:00 am-12:16 pm

1 stop7h 16m

Chicago O'Hare Intl

Sat 10/25

4:56 pm-11:00 pm

1 stop5h 04m

$224

HarrisburgChicago

MDT - MDW

MDTMDW

Harrisburg

Wed 10/22

6:25 pm-10:14 pm

1 stop4h 49m

Chicago Midway

Sat 10/25

6:23 pm-11:00 pm

1 stop3h 37m

$224

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Sat 8/30

12:33 pm-7:19 pm

2 stops7h 46m

Chicago O'Hare Intl

Sat 9/6

5:45 pm-11:19 pm

1 stop4h 34m

$229

HarrisburgChicago

MDT - MDW

MDTMDW

Harrisburg

Sat 8/30

12:33 pm-9:12 pm

2 stops9h 39m

Chicago Midway

Sat 9/6

4:25 pm-11:29 pm

1 stop6h 04m

$229

HarrisburgChicago

MDT - MDW

MDTMDW

Harrisburg

Sat 11/8

6:00 am-9:40 am

1 stop4h 40m

Chicago Midway

Tue 11/11

9:30 am-5:06 pm

2 stops6h 36m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 28 results
1
2
3

Best time to book a flight from Harrisburg to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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.

Cheapflights Insights

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

How far ahead should I book a flight from Harrisburg to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Harrisburg to Chicago. Price data was last updated on August 8, 2025.

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Harrisburg to Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Harrisburg to Chicago (average of $245). Flying from Harrisburg to Chicago in March is currently the most expensive (average of $321). 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 MDT to CHI?

Find hourly flight availability from Harrisburg to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

It’s typically best to fly out from Harrisburg to Chicago in the evening. Doing so could potentially save you 55% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Harrisburg to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Harrisburg to Chicago. Price data was last updated on November 10, 2024.

Travelers seeking maximum savings on their Harrisburg to Chicago flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Harrisburg to Chicago

Explore weekly flight availability from Harrisburg to Chicago. 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 August 14, 2025.

The most flights from MDT to CHI are scheduled on a Thursday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

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

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated August 14, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Harrisburg to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Harrisburg to Chicago. 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 from for flights from Harrisburg to Chicago?

    Harrisburg (MDT), located 8.5 mi from the city center, is the airport you fly out of when you book flights from Harrisburg to Chicago. 3 airlines have flights from Harrisburg to Chicago on a regular basis. Booking flights from Harrisburg to Chicago should not be difficult; the airport handles an average of 10 outbound flights to Chicago per day.

  • What are the cheapest airlines flying from Harrisburg to Chicago round-trip?

    Currently priced at $199, United Airlines will fly you from Harrisburg to Chicago and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $207 and $221, respectively. These flights start at 36% lower than the current average price 3 months from now.

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

    Consider Piedmont Airlines (100%), Qatar Airways (94%) or American Airlines (86%) when booking your flight. These represent the most reliable airlines when flying from Harrisburg to Chicago.

  • What are the cheapest flights from Harrisburg to Chicago?

    Looking at all options, your cheapest flight can be booked for $194. While the most popular route (Harrisburg - Chicago O'Hare Intl) can be booked for $209 on average our data indicates $1,033 when flying from Harrisburg to Chicago.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Harrisburg to Chicago 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 Harrisburg to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Harrisburg to Chicago (average of $245). Flying from Harrisburg to Chicago in March is currently the most expensive (average of $321). 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 Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Lansing
Hammond
Benton Harbor
Porter
Chesterton

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Alternative routes for Harrisburg to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Harrisburg to Chicago

Discover the top 3 airlines that operate flights from Harrisburg to Chicago. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$199Average$330FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$207Average$309FlexibilityNo cancel feeOn-time71%
DeltaCheapest$221Average$345FlexibilityNo cancel feeOn-timeN/A

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