$104 Cheap Flights from Harrisburg (MDT) to Chicago (ORD)

View $104 flight on Sat, Aug 23, 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 $104 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Oct 2 - Sun, Oct 5
MDT
Harrisburg
ORD
Chicago
$209 Roundtrip, found 1 hour ago
$209
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Oct 2 from Harrisburg to Chicago, returning Sun, Oct 5, priced at $209 found 1 hour ago
Frontier Airlines
Sat, Aug 30 - Sun, Sep 14
MDT
Harrisburg
ORD
Chicago
$218 Roundtrip, found 1 hour ago
$218
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Aug 30 from Harrisburg to Chicago, returning Sun, Sep 14, priced at $218 found 1 hour ago
American Airlines
Wed, Aug 20 - Sun, Aug 24
MDT
Harrisburg
ORD
Chicago
$219 Roundtrip, just found
$219
Roundtrip
just found
Select American Airlines flight, departing Wed, Aug 20 from Harrisburg to Chicago, returning Sun, Aug 24, priced at $219 just found
Frontier Airlines
Mon, Sep 8 - Thu, Sep 11
MDT
Harrisburg
ORD
Chicago
$223 Roundtrip, just found
$223
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Sep 8 from Harrisburg to Chicago, returning Thu, Sep 11, priced at $223 just found
Frontier Airlines
Mon, Sep 1 - Sun, Sep 14
MDT
Harrisburg
ORD
Chicago
$228 Roundtrip, found 1 hour ago
$228
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Sep 1 from Harrisburg to Chicago, returning Sun, Sep 14, priced at $228 found 1 hour ago
Delta
Tue, Aug 26 - Sat, Sep 13
MDT
Harrisburg
ORD
Chicago
$229 Roundtrip, found 1 hour ago
$229
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Aug 26 from Harrisburg to Chicago, returning Sat, Sep 13, priced at $229 found 1 hour ago
United
Wed, Apr 22 - Tue, Apr 28
MDT
Harrisburg
ORD
Chicago
$233 Roundtrip, found 4 hours ago
$233
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Apr 22 from Harrisburg to Chicago, returning Tue, Apr 28, priced at $233 found 4 hours ago
Delta
Wed, Sep 24 - Sat, Oct 4
MDT
Harrisburg
ORD
Chicago
$234 Roundtrip, found 8 hours ago
$234
Roundtrip
found 8 hours ago
Select Delta flight, departing Wed, Sep 24 from Harrisburg to Chicago, returning Sat, Oct 4, priced at $234 found 8 hours ago
United
Fri, Oct 24 - Mon, Oct 27
MDT
Harrisburg
ORD
Chicago
$238 Roundtrip, found 13 hours ago
$238
Roundtrip
found 13 hours ago
Select United flight, departing Fri, Oct 24 from Harrisburg to Chicago, returning Mon, Oct 27, priced at $238 found 13 hours ago
Delta
Sat, Aug 23 - Tue, Aug 26
MDT
Harrisburg
ORD
Chicago
$239 Roundtrip, found 3 days ago
$239
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Aug 23 from Harrisburg to Chicago, returning Tue, Aug 26, priced at $239 found 3 days ago

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

November is typically the cheapest month to fly

From $135 - $407 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. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $218
MDW
Midway Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $218
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
$209
Distance
592 mi
Average flight time
1 hour 14 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 October. 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 $104 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?
You can book cheap return fares starting from $209 from Harrisburg Intl. Airport (MDT) to O'Hare Intl. Airport (ORD). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving MDT on August 17 2025 and touching down at ORD. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from MDT to ORD?
The cheapest flights from MDT to ORD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 MDT to ORD?
With prices as low as $204 for a one-way journey from MDT to ORD, American Airlines is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from MDT on August 30 2025. Prices were last updated on July 23 2025 and have not changed since.
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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