$88 Cheap Flights from Harrisburg (MDT) to Chicago (ORD)

View $88 flight on Fri, Sep 12, 2025Opens in a new window

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

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Cheap Flights from Harrisburg to Chicago (MDT-ORD)

Prices were available within the past 7 days and start at $88 for one-way flights and $175 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Sep 19 - Sun, Sep 21
MDT
Harrisburg
ORD
Chicago
$175 Roundtrip, found 2 hours ago
$175
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Fri, Sep 19 from Harrisburg to Chicago, returning Sun, Sep 21, priced at $175 found 2 hours ago
Delta
Sat, Sep 6 - Sun, Sep 7
MDT
Harrisburg
ORD
Chicago
$187 Roundtrip, found 3 days ago
$187
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Sep 6 from Harrisburg to Chicago, returning Sun, Sep 7, priced at $187 found 3 days ago
Frontier Airlines
Fri, Sep 26 - Sun, Sep 28
MDT
Harrisburg
ORD
Chicago
$203 Roundtrip, found 9 hours ago
$203
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Fri, Sep 26 from Harrisburg to Chicago, returning Sun, Sep 28, priced at $203 found 9 hours ago
Frontier Airlines
Mon, Sep 29 - Thu, Oct 2
MDT
Harrisburg
ORD
Chicago
$207 Roundtrip, found 4 days ago
$207
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Sep 29 from Harrisburg to Chicago, returning Thu, Oct 2, priced at $207 found 4 days ago
United
Sat, Sep 27 - Mon, Sep 29
MDT
Harrisburg
ORD
Chicago
$209 Roundtrip, just found
$209
Roundtrip
just found
Select United flight, departing Sat, Sep 27 from Harrisburg to Chicago, returning Mon, Sep 29, priced at $209 just found
Frontier Airlines
Fri, Oct 3 - Sun, Oct 5
MDT
Harrisburg
ORD
Chicago
$212 Roundtrip, found 1 day ago
$212
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Oct 3 from Harrisburg to Chicago, returning Sun, Oct 5, priced at $212 found 1 day ago
Delta
Wed, Sep 10 - Tue, Sep 30
MDT
Harrisburg
ORD
Chicago
$214 Roundtrip, found 3 days ago
$214
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Sep 10 from Harrisburg to Chicago, returning Tue, Sep 30, priced at $214 found 3 days ago
United
Thu, Sep 11 - Sat, Sep 13
MDT
Harrisburg
ORD
Chicago
$219 Roundtrip, found 6 hours ago
$219
Roundtrip
found 6 hours ago
Select United flight, departing Thu, Sep 11 from Harrisburg to Chicago, returning Sat, Sep 13, priced at $219 found 6 hours ago
Frontier Airlines
Fri, Sep 12 - Mon, Sep 15
MDT
Harrisburg
ORD
Chicago
$221 Roundtrip, just found
$221
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Sep 12 from Harrisburg to Chicago, returning Mon, Sep 15, priced at $221 just found
American Airlines
Wed, Sep 3 - Sat, Sep 6
MDT
Harrisburg
ORD
Chicago
$229 Roundtrip, found 12 hours ago
$229
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Wed, Sep 3 from Harrisburg to Chicago, returning Sat, Sep 6, priced at $229 found 12 hours ago

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

November is typically the cheapest month to fly

From $135 - $427 per traveler.

Graph displaying average flight prices per month

Alternative airports near Chicago

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

Select flight to Midway Intl. MDW. Closest option available. Average driving time to city center is 16 minutes. Flights from $324
MDW
Midway Intl.
Closest
Average driving time to city center16 min
Flights from $324
Flights from Harrisburg (MDT) to Chicago (ORD)
Origin airport
Harrisburg Intl.
Destination airport
O'Hare Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$174
Distance
592 mi
Average flight time
1 hour 13 mins

Harrisburg to Chicago Flights

The cheapest times to fly from Harrisburg to Chicago

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 Harrisburg to Chicago are during the month of September. You can find some of the cheapest flights from Harrisburg to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Harrisburg to Chicago

Sunday is one of the best days to book for cheap flights from Harrisburg to Chicago: 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 Harrisburg to Chicago

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 Harrisburg to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $88 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 Harrisburg to Chicago 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 Harrisburg to Chicago 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 Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD) cost?
Get a cheap one-way flight from $88 or cheap return flight from $175 from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD)?
September is the cheapest month to fly from MDT to ORD. Traveling outside of peak seasons is often the key to finding a great deal.
Which airlines fly direct from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD)?
When flying out of Harrisburg Intl. Airport (MDT), you can hop on a direct flight to O'Hare Intl. Airport (ORD) with United Airlines.
What is the cheapest airline that flies from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD)?
The cheapest airline to offer flights between Harrisburg Intl. Airport (MDT) and O'Hare Intl. Airport (ORD) can change depending on when you want to travel. American Airlines and United Airlines are just some well-known options offering reasonable prices. Use Expedia's filters to compare airlines in one place and find the right MDT to ORD flight for your budget.
How many flights per day from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD)?
With an average of 4 nonstop flights departing from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD) each day, you'll be jetting off in no time.
What are the most popular departure times for flights from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD)?
More travelers fly between MDT and ORD at 6 AM than at any other time of day. Prefer a quieter experience? Consider flying outside peak hours and you're likely to save on your fare as well.
What day of the week has the most flights from MDT to ORD?
Depart on a Friday if you're searching for the largest selection of flights from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD).
What is the earliest flight from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD)?
Harrisburg Intl. Airport (MDT)'s earliest flight to O'Hare Intl. Airport (ORD) departs at approximately 6:30AM UTC-5. With a total flight time of 2h 16m, you'll arrive at around 7:46AM UTC-6.
How long does it take to fly from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD)?
Flights from MDT to ORD have an average travel time of 2 hours and 21 minutes. The total distance between the two is 590 mi.
What airline has the least delays from MDT to ORD?
Consider booking with American Airlines if you'd like to go straight from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD) without any delays. This carrier has the best track record for punctuality, with an on-time score of 83%. Want to get notified of any changes? You can check your flight status using the Expedia App.
What is the best time to fly from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD)?
Opt for a flight from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures 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 Chicago from Harrisburg Intl. Airport (MDT)?
Explore your flight options from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD). This is the only airport in Chicago you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD) last-minute?
Holding off until right before your break to book a ticket from MDT to ORD often results in higher prices. Although you may find some last-minute discounts, there's no guarantee. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a MDT to ORD flight and hotel package?
You'll typically save money by booking a MDT to ORD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your ideal accommodations and flights, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD)?
If you reserved your MDT to ORD flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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