$91 Cheap Flights from Chicago (ORD) to Harrisburg (MDT)

View $91 flight on Sun, Sep 28, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT)

Today's featured flight deals from Chicago O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Chicago to Harrisburg (ORD-MDT)

Prices were available within the past 7 days and start at $91 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Oct 16 - Fri, Oct 24
ORD
Chicago
MDT
Harrisburg
$170 Roundtrip, found 6 hours ago
$170
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Thu, Oct 16 from Chicago to Harrisburg, returning Fri, Oct 24, priced at $170 found 6 hours ago
Frontier Airlines
Thu, Sep 25 - Mon, Sep 29
ORD
Chicago
MDT
Harrisburg
$180 Roundtrip, found 1 day ago
$180
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Sep 25 from Chicago to Harrisburg, returning Mon, Sep 29, priced at $180 found 1 day ago
Frontier Airlines
Fri, Oct 17 - Fri, Oct 24
ORD
Chicago
MDT
Harrisburg
$185 Roundtrip, found 6 hours ago
$185
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Fri, Oct 17 from Chicago to Harrisburg, returning Fri, Oct 24, priced at $185 found 6 hours ago
Frontier Airlines
Sun, Sep 21 - Mon, Oct 6
ORD
Chicago
MDT
Harrisburg
$200 Roundtrip, found 14 hours ago
$200
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Sun, Sep 21 from Chicago to Harrisburg, returning Mon, Oct 6, priced at $200 found 14 hours ago
Frontier Airlines
Sun, Oct 5 - Fri, Oct 10
ORD
Chicago
MDT
Harrisburg
$206 Roundtrip, found 22 hours ago
$206
Roundtrip
found 22 hours ago
Select Frontier Airlines flight, departing Sun, Oct 5 from Chicago to Harrisburg, returning Fri, Oct 10, priced at $206 found 22 hours ago
United
Wed, Dec 10 - Sun, Dec 14
ORD
Chicago
MDT
Harrisburg
$209 Roundtrip, found 2 hours ago
$209
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Dec 10 from Chicago to Harrisburg, returning Sun, Dec 14, priced at $209 found 2 hours ago
Frontier Airlines
Thu, Sep 18 - Fri, Sep 19
ORD
Chicago
MDT
Harrisburg
$210 Roundtrip, found 2 days ago
$210
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Sep 18 from Chicago to Harrisburg, returning Fri, Sep 19, priced at $210 found 2 days ago
Frontier Airlines
Sun, Sep 21 - Fri, Oct 10
ORD
Chicago
MDT
Harrisburg
$216 Roundtrip, found 1 day ago
$216
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Sep 21 from Chicago to Harrisburg, returning Fri, Oct 10, priced at $216 found 1 day ago
Delta
Thu, Nov 27 - Fri, Nov 28
ORD
Chicago
MDT
Harrisburg
$229 Roundtrip, found 1 hour ago
$229
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Nov 27 from Chicago to Harrisburg, returning Fri, Nov 28, priced at $229 found 1 hour ago
American Airlines
Fri, Oct 24 - Mon, Oct 27
ORD
Chicago
MDT
Harrisburg
$248 Roundtrip, found 3 hours ago
$248
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, Oct 24 from Chicago to Harrisburg, returning Mon, Oct 27, priced at $248 found 3 hours ago

Find the cheapest month to fly from Chicago (ORD) to Harrisburg (MDT)

December is typically the cheapest month to fly

From $131 - $447 per traveler.

Alternative airports near Harrisburg

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Harrisburg Intl. MDT. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $348
MDT
Harrisburg Intl.
Cheapest
Average driving time to city center16 min
Flights from $348
0
Flights from Chicago (ORD) to Harrisburg (MDT)
Origin airport
O'Hare Intl.
Destination airport
Harrisburg Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$170
Distance
592 mi

Chicago to Harrisburg Flights

The cheapest times to fly from Chicago to Harrisburg

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Harrisburg are during the month of October. You can find some of the cheapest flights from Chicago to Harrisburg with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Harrisburg

Sunday is one of the best days to book for cheap flights from Chicago to Harrisburg: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Harrisburg

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Harrisburg in 2025. You can also book with separate airlines for your outbound and return journeys, from $91 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Harrisburg flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Harrisburg airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT) cost?
Lock in a cheap one-way flight from $91 or cheap return flight from $170 from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT)?
Flying in October can help you save, as it's the cheapest month for flights between ORD and MDT. You'll typically find the lowest fares during off-peak months.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT)?
You can travel nonstop from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT) on a United Airlines flight.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT)?
While prices may vary depending on when you travel, American Airlines and United Airlines are go-to choices for flights between O'Hare Intl. Airport (ORD) and Harrisburg Intl. Airport (MDT). You can also compare airlines on Expedia and use the "Sort by" filter to find the cheapest fare for your ORD to MDT flight.
How many flights per day from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT)?
With, on average, 4 direct flights that operate from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT) each day, you'll be cruising above the clouds before you know it.
What are the most popular departure times for flights from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT)?
More passengers fly between ORD and MDT at 6 PM than at any other time of day. Looking to skip the crowds? Pick a flight outside the busiest times and it's possible you'll save on your ticket as well.
What day of the week has the most flights from ORD to MDT?
If you depart on a Friday, you'll get the widest range of options for flights from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT).
What is the earliest flight from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT)?
The earliest flight jetting off from O'Hare Intl. Airport (ORD) is at around 7:10AM UTC-6. Board this plane and you'll arrive at Harrisburg Intl. Airport (MDT) at approximately 10:06AM UTC-5. The entire trip takes 1h 56m.
How long does it take to fly from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT)?
The average flight time from ORD to MDT is 1 hour and 56 minutes, covering a distance of 590 mi.
What airline has the least delays from ORD to MDT?
Alaska Airlines has the strongest track record for on-time direct flights from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT), with an on-time rating of 83%. Use the Expedia App to see your flight schedule before you head off and get immediate updates about any trip changes.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT)?
Choose a flight from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT) that takes off before 3 PM to reduce the risk of cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Harrisburg from O'Hare Intl. Airport (ORD)?
Harrisburg Intl. Airport (MDT) is the only airport in Harrisburg with direct flights from O'Hare Intl. Airport (ORD). Explore the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT) last-minute?
Last-minute fares from ORD to MDT are generally more expensive. For the best prices, start looking for flights early. That being said, if you're flexible with your travel plans, you may score a cheap ticket right before your trip.
Is it cheaper to book an ORD to MDT flight and hotel package?
You'll generally save money by booking an ORD to MDT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your preferred accommodations and flights, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Harrisburg Intl. Airport (MDT)?
Usually, it's possible to cancel or reschedule your ORD to MDT flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.