Cheap Flights from Harrisburg (MDT) to Chicago (CHIA)

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      Compare Harrisburg International to Chicago flight deals

      Find the cheapest month or even day of the year to fly to Chicago

      Book the best Chicago fare with no extra fees

      Flight deals from Harrisburg International to Chicago

      Looking for a cheap last-minute deal or the best return flight from Harrisburg International Airport to Chicago? If you want to travel next month, return fares start from $392. Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from Harrisburg International to Chicago

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Harrisburg International to Chicago flights are currently cheapest in October.

      Direct flights from Harrisburg International to Chicago

      Air New Zealand
      Alaska Airlines
      American Airlines
      Emirates
      Japan Airlines
      Qatar Airways
      United

      Alternative Harrisburg International to Chicago routes

      Looking for the cheapest, fastest or easiest route from Harrisburg International to Chicago? You could fly into the following airports instead.

      Harrisburg to Chicago: Flight information

      The things to know before you go.
      Cheapest flight found$391
      Cheapest month to flyOctober
      Average flight time2 hrs, 21 mins
      Most popular airlineAmerican Airlines
      Average flights per week150

      Finding cheap flights from Harrisburg International to Chicago: Frequently asked questions

      There are 3 airports in Chicago: Chicago Midway, Chicago O'Hare International and Chicago Rockford.
      The best price we found for a return flight from Harrisburg International to Chicago is $391. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      2 hours and 21 minutes is the average flight time from Harrisburg International to Chicago.
      American Airlines, Alaska Airlines and United fly direct from Harrisburg International to Chicago.
      As of August 2026, there are 150 flights per week flying from Harrisburg International to Chicago.
      The cheapest month to fly from Harrisburg International to Chicago is usually October.
      If you're flying from Harrisburg International Airport, the cheapest airport near Chicago is Chicago O'Hare International – which is 25.5 km away from the centre of Chicago. We've found flights into this airport from $391.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Harrisburg International Airport to Chicago on Monday, 19 October 2026.
      Yes – the average flight time is 2 hours and 21 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.

      In August, the average temperature is usually around 22°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.
      Currently, United offers the cheapest flight tickets to Chicago.

      Travelling from Harrisburg International Airport (MDT) to Chicago: what you need to know

      • The average time for a direct flight from Harrisburg International Airport to Chicago is 1 hour 55 minutes.

      • Harrisburg International Airport is located in Harrisburg. Based in the UTC-6 timezone, Chicago is one hour behind Harrisburg.

      • With 51 flights a week between the two airports, Harrisburg International Airport (MDT) to Chicago O'Hare International Airport (ORD) is the most popular route. American Airlines operates the earliest flight at 06:00. If you prefer to get more out of your day before jetting off, the latest flight from MDT to ORD is with American Airlines at 18:34.

      • Allow plenty of time to make your MDT to Chicago flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

      • Be prepared for longer queues in popular months such as July. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a good idea.

      • Start your journey at MDT and travel straight to Chicago O'Hare International Airport (ORD). That's where you can expect to land when searching for Harrisburg International Airport to Chicago tickets.

      • Book your ticket with United Airlines. This well-known carrier operates direct flights from Harrisburg International Airport to Chicago.

      • MDT is about 14 kilometres from central Harrisburg. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 20 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the trip time to be around 40 minutes.

      • Want a stress-free start to your journey? Stay near MDT. Whether you have an early flight from Harrisburg International Airport to Chicago or don't want departure day to feel hectic, these hotels are a convenient choice:

      • Of the departures from Harrisburg International Airport, 77% land on time at their destination.

      • The address for MDT is One Terminal Drive.

      How to find the cheapest flights from Harrisburg International Airport (MDT) to Chicago

      • The lowest price we've found for a one-way Harrisburg International Airport to Chicago flight is $247. The cheapest price for a return flight is $391. Bear in mind fares can change due to availability at the time of booking.

      • Book two months before travelling. Research on pricing trends suggests this is the ideal window for finding cheap flights from MDT to Chicago.

      • Organise your trip for July. That's the best month for scoring a bargain on Harrisburg International Airport to Chicago tickets. If you're open to different travel dates, use the 'Whole month' tool to access the cheapest price across each month.

      • Save time searching for cheap flights from MDT to Chicago by creating a Price Alert. You'll get an email or notification on the app when fares go down.

      • Save on your flight from Harrisburg International Airport to Chicago with the help of our filters. Choose your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

      Airports in Chicago

      Chicago O'Hare International Airport (ORD)

      • Chicago O'Hare International Airport (ORD) is around 27 kilometres from central Chicago. If you're getting a taxi or a ride-share, the drive takes roughly 30 minutes.

      • It'll take around 45 minutes to get there using public transport.

      • The last thing you want is a lengthy journey to your hotel if you're landing late on a flight from Harrisburg International Airport to Chicago. Check in to one of these accommodation options near ORD instead:

      • Booking your ride from Chicago O'Hare International Airport around four weeks before your flight from MDT to Chicago can help you get the lowest rate.

      • The address for ORD is 10000 West O'Hare.

      Chicago Midway International Airport (MDW)

      • Once your flight from Harrisburg International Airport to Chicago has hit the runway, you can reach the city centre in about 25 minutes by car. Central Chicago is roughly 16 kilometres from Chicago Midway International Airport (MDW).

      • If you're catching public transport, it'll take about 30 minutes.

      • Place the 'Do not disturb' sign on your door and unwind at a hotel close to MDW. Here are a few options where you can put your feet up after your MDT to Chicago flight:

      • Get what you want, not just what's left over. Booking your ride from MDW four weeks in advance often means better prices and a wider selection of vehicles.

      • Chicago Midway International Airport is located at 5700 South Cicero.

      Chicago Rockford International Airport (RFD)

      • Head to the city centre after your flight from Harrisburg International Airport to Chicago has touched down. Central Chicago is around 145 kilometres from Chicago Rockford International Airport (RFD) and takes roughly 1 hour 40 minutes to get to by car.

      • Public transport will take you there in roughly 2 hours.

      • Enjoy an unhurried start to your break by choosing a hotel near RFD after your MDT to Chicago flight. Unwind after a day of travel or just give yourself time to get your bearings in a new city at:

      • Booking a couple of weeks ahead of your flight from Harrisburg International Airport to Chicago is a smart move. Along with more affordable prices, you'll get a better selection of vehicle makes and models at RFD.

      • Chicago Rockford International Airport's official address is 2 Airport Cir.

      Best time to go to Chicago

      • July is the busiest month for flights from Harrisburg International Airport to Chicago. To escape the crowds, visit Chicago in January.

      • The warmest month in Chicago is July, with temperatures ranging between 16ºC (61ºF) and 28ºC (82ºF). Book your Harrisburg International Airport to Chicago plane ticket then if that's your definition of good weather.

      • January has average temperatures of between -12ºC (10ºF) and 3ºC (37ºF). Search for a cheap ticket from MDT to Chicago around that time if you want to travel in cooler conditions.

      More about Chicago

      • When it comes to looking for somewhere to lay your head, you'll find the best stays in Chicago right here. Browse these hotels as soon as you've booked your flight from Harrisburg International Airport to Chicago:

      • There are so many things to discover in this city it can be hard to work out where to begin. Art Institute of Chicago, Millennium Park and Willis Tower are leading attractions which should be on every Chicago itinerary.

      Explore more of the United States

      • Chicago will leave a lasting impression, but there are so many other parts of the United States just waiting to be discovered. About 451 kilometres southeast of Chicago, a visit to Columbus will keep your itinerary busy. Start with attractions like Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre.

      • Indianapolis is another must-experience destination in the United States and is around 257 kilometres southeast of Chicago. No trip is complete without visiting Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.