Flights from Harrisburg International Airport to Illinois

Flight deals from Harrisburg International Airport to Illinois

Looking for cheap tickets from Harrisburg International Airport to Illinois, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Chicago.ر.ق.‏ 474 per passenger.Departing Thu, 8 Jan.One-way flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Harrisburg International on Thu, 8 Jan, arriving in Chicago Midway.Price includes taxes and charges.From ر.ق.‏ 474, select.

Chicago.ر.ق.‏ 809 per passenger.Departing Mon, 19 Jan.One-way flight with United.Outbound direct flight with United departs from Harrisburg International on Mon, 19 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From ر.ق.‏ 809, select.

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Flying from Harrisburg International Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	ر.ق.‏ 474
Cheapest month to fly	January
Average flight time	2 hrs, 22 mins
Average flights per week	471
Most popular airline	American Airlines

How to find cheap flights from Harrisburg International Airport to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Harrisburg International Airport to Illinois. Other savvy travellers recently found return flights from ر.ق.‏ 756 and one-way tickets from ر.ق.‏ 474. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in February

The cheapest time to fly from Harrisburg International Airport to Illinois is currently February.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Harrisburg International Airport to anywhere you choose in Illinois.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Harrisburg International Airport to your chosen airport in Illinois go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Illinois Airport to Illinois flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Harrisburg International Airport to Illinois?

Yes - direct flights currently operate from Harrisburg International Airport to Chicago O'Hare International Airport in Illinois.

What is the average price of a flight from Harrisburg International Airport to Illinois?

We looked at all of the upcoming return flights from Harrisburg International Airport to Illinois we could find over the next 12 months. It looks like ر.ق.‏ 756 is the best price. This is good, compared to the average Illinois ticket price of ر.ق.‏ 1,939.

What is the cheapest month to fly from Harrisburg International Airport to Illinois?

The cheapest month to fly from Harrisburg International Airport to Central Illinois Regional Airport is currently January.
The cheapest month to fly from Harrisburg International Airport to Chicago O'Hare International Airport is currently February.
And the cheapest month to fly from Harrisburg International Airport to Greater Peoria Airport is usually January.

Which upcoming date is cheapest to fly from Harrisburg International Airport to Illinois on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Harrisburg International Airport to Illinois on Thursday, 19 February 2026.

If I'm flying from Harrisburg International Airport, where in Illinois is cheapest to fly into?

If you're flying from Harrisburg International, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago O'Hare International.