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O'Hare Intl

$153+ Cheap flights from Harrisburg (MDT) to O'Hare Intl (ORD)

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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — ORD
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Harrisburg to Chicago O'Hare Intl are usually found in December or September, booked 76 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Harrisburg to O'Hare Intl

Cheapest flights from Harrisburg to O'Hare Intl
Explore the most affordable flight options available from Harrisburg to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.

This United Airlines deal was found by Cheapflights users on 7/27. 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 8/202:17 pm
MDT
-
ORD
Nonstop2h 16m
United Airlines
Sun 8/236:50 am
ORD
-
MDT
Nonstop2h 01m
United Airlines
Deal found 7/27$279
This United Airlines deal was found by Cheapflights users on 7/23. 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 10/16:30 am
MDT
-
ORD
Nonstop2h 11m
United Airlines
Sun 10/46:47 pm
ORD
-
MDT
Nonstop2h 03m
United Airlines
Deal found 7/23$292
This Delta deal was found by Cheapflights users on 7/25. 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 8/155:18 pm
MDT
-
ORD
1 stop4h 12m
Delta
Mon 8/175:20 pm
ORD
-
MDT
1 stop5h 01m
Delta
Deal found 7/25$299
This United Airlines deal was found by Cheapflights users on 7/24. 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 12/236:30 am
MDT
-
ORD
Nonstop2h 24m
United Airlines
Wed 12/307:00 am
ORD
-
MDT
1 stop5h 47m
United Airlines
Deal found 7/24$302
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 8/126:20 am
MDT
-
ORD
1 stop7h 09m
American Airlines
Sun 8/169:45 am
ORD
-
MDT
Nonstop2h 00m
American Airlines
Deal found 7/26$309
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 10/25:54 pm
MDT
-
ORD
Nonstop2h 11m
United Airlines
Mon 10/56:47 pm
ORD
-
MDT
Nonstop2h 03m
United Airlines
Deal found 7/25$312
This American Airlines deal was found by Cheapflights users on 7/27. 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 10/86:08 am
MDT
-
ORD
Nonstop2h 21m
American Airlines
Mon 10/128:20 am
ORD
-
MDT
Nonstop1h 57m
American Airlines
Deal found 7/27$318
This Delta deal was found by Cheapflights users on 7/23. 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 8/123:04 pm
MDT
-
ORD
1 stop6h 51m
Delta
Sat 8/155:18 pm
ORD
-
MDT
1 stop5h 03m
Delta
Deal found 7/23$319
This American Airlines deal was found by Cheapflights users on 7/26. 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 9/41:25 pm
MDT
-
ORD
Nonstop2h 10m
American Airlines
Mon 9/79:45 am
ORD
-
MDT
Nonstop2h 00m
American Airlines
Deal found 7/26$324
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:53 pm
MDT
-
ORD
1 stop12h 28m
Multiple Airlines
Wed 10/74:49 pm
ORD
-
MDT
1 stop22h 05m
Multiple Airlines
Deal found 7/23$328

Find flight deals from Harrisburg to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) to O'Hare Intl (ORD). 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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(United Airlines)

One-way from

$153
(Kiwi.com)

Popular in

March

Cheapest in

December

Average price

$343
Provider with most accurate pricing for Harrisburg-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harrisburg-Chicago O'Hare Intl flights.
Search Deals
From Harrisburg to Chicago O'Hare Intl
Search Deals
One-way flight from Harrisburg to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harrisburg to O'Hare Intl 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 July 28, 2026.
Use the filters below to find and compare flights from Harrisburg to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Sat 9/5

10:40 am-11:53 am

Nonstop2h 13m

Chicago O'Hare Intl

Wed 9/9

1:55 pm-4:52 pm

Nonstop1h 57m

$279

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Fri 9/18

5:54 pm-7:05 pm

Nonstop2h 11m

Chicago O'Hare Intl

Sun 9/20

6:50 am-9:51 am

Nonstop2h 01m

$279

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Sat 9/19

6:30 am-7:41 am

Nonstop2h 11m

Chicago O'Hare Intl

Mon 9/21

6:50 am-9:51 am

Nonstop2h 01m

$279

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Thu 8/20

5:54 pm-7:05 pm

Nonstop2h 11m

Chicago O'Hare Intl

Thu 8/27

8:45 am-2:03 pm

1 stop4h 18m

$289

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Sat 8/15

5:18 pm-8:30 pm

1 stop4h 12m

Chicago O'Hare Intl

Mon 8/17

5:20 pm-11:21 pm

1 stop5h 01m

$299

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Fri 8/21

5:15 pm-8:30 pm

1 stop4h 15m

Chicago O'Hare Intl

Sun 8/23

6:59 am-11:41 am

1 stop3h 42m

$319

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Fri 8/7

6:24 pm-11:57 pm

1 stop6h 33m

Chicago O'Hare Intl

Tue 8/11

5:30 am-2:13 pm

1 stop7h 43m

$339

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Fri 8/7

2:11 pm-3:30 pm

Nonstop2h 19m

Chicago O'Hare Intl

Mon 8/10

4:40 pm-7:48 pm

Nonstop2h 08m

$354

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Sat 9/19

6:30 am-7:41 am

Nonstop2h 11m

Chicago O'Hare Intl

Tue 9/22

5:55 pm-8:58 pm

Nonstop2h 03m

$359
Quickest round-trip

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Sat 1/16

2:12 pm-3:28 pm

Nonstop2h 16m

Chicago O'Hare Intl

Wed 1/20

7:10 am-9:55 am

Nonstop1h 45m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Harrisburg to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Harrisburg to O'Hare Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Harrisburg-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harrisburg-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harrisburg-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harrisburg-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Harrisburg-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Harrisburg to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 O'Hare Intl Airport

How far ahead should I book a flight from Harrisburg to Chicago O'Hare Intl Airport?

The best time to book flights from Harrisburg to Chicago O'Hare Intl Airport is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Harrisburg to Chicago O'Hare Intl Airport?

Currently, December is the cheapest month in which you can book a flight from Harrisburg to Chicago O'Hare Intl Airport (average of $289). Flying from Harrisburg to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $418). 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 ORD?

Find hourly flight availability from Harrisburg to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2026.

One of the essential ways to save on airfare from Harrisburg to Chicago O'Hare Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 26% on airfare.

What is the cheapest day to fly from Harrisburg to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Harrisburg to O'Hare Intl. Price data was last updated on July 25, 2026.

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

How much does it cost to fly round-trip from Harrisburg to Chicago O'Hare Intl Airport?

Airfare is typical for this route at the moment.

Harrisburg to Chicago O'Hare Intl Airport flights typically cost between $249 and $446 in August.
The cheapest round-trip price found within the last 5 days was $279 on United Airlines (Aug 20-Aug 24).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated July 28, 2026.
Read through reviews of airlines operating flights from Harrisburg to Chicago O'Hare Intl Airport, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,046 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

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
10,046 reviews
United Airlines
7.4
Good
10,046 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

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
7.1
Good
11,839 reviews
United Airlines
7.4
Good
10,046 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

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 O'Hare Intl. 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 O'Hare Intl?

    Harrisburg (MDT) is the airport you will fly out of if you book a flight from Harrisburg to Chicago O'Hare Intl. You should not have trouble finding flights to Chicago O'Hare Intl from Harrisburg; the airport handles an average of 15 outbound flights to Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Harrisburg airport to Chicago O'Hare Intl. It is only a 8.5 mi journey to Harrisburg (MDT) from Harrisburg’s city center.

  • How long is the flight from Harrisburg to Chicago O'Hare Intl Airport?

    Departing from Harrisburg to Chicago O'Hare Intl Airport will take you 2h 13m. The distance from Harrisburg to Chicago O'Hare Intl Airport is about 592 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Harrisburg to Chicago O'Hare Intl Airport round-trip?

    Our cheapest airline available from Harrisburg to Chicago O'Hare Intl Airport is American Airlines. Our recent data shows that you can find tickets from as low as $209 on this airline. An additional option worth looking into is United Airlines, starting at $209. You may be able to fly from Harrisburg to Chicago O'Hare Intl Airport for 37% less than the average price by searching for these airlines.

  • What are the most reliable airlines from Harrisburg to Chicago O'Hare Intl Airport?

    Before booking your flight to Chicago O'Hare Intl Airport from Harrisburg, check out the most reliable airlines to get you to your destination on time: Japan Airlines (89%), Envoy Air (88%), Republic Airways( 86%).

  • What are the cheapest flights from Harrisburg to Chicago O'Hare Intl Airport?

    On average you can expect to pay $1,037 for a flight from Harrisburg to Chicago O'Hare Intl Airport. The cheapest flight overall is $173 while the most popular route, (Harrisburg - Chicago O'Hare Intl) is currently priced at $279.

  • Can I find deals for flights from Harrisburg to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Harrisburg to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Harrisburg to O'Hare Intl?

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

  • Can I find deals for business class flights from Harrisburg to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Harrisburg to O'Hare Intl 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 O'Hare Intl Airport?

    Currently, December is the cheapest month in which you can book a flight from Harrisburg to Chicago O'Hare Intl Airport (average of $289). Flying from Harrisburg to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $418). 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 O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Benton Harbor
Rosemont
Schaumburg
Lake Geneva
Naperville
Oak Brook
Delavan
Oakbrook Terrace
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Downers Grove
Rockford
Racine
Great Lakes
Janesville
Joliet

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Top 2 airlines flying from Harrisburg to O'Hare Intl

Discover the top 2 airlines that operate flights from Harrisburg to O'Hare Intl. 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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$209Average$308FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$209Average$371FlexibilityNo cancel feeOn-time69%

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