What airlines fly to Illinois?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Illinois from Harrisburg according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How many flights depart from Harrisburg to Illinois on average per week?

52 flights are operational weekly from Harrisburg to Illinois as of February 2026. The most popular departure day for this route is Thu, with 33% of flights per week taking off on this day.

What is the cheapest airline that flies from Harrisburg to Illinois?

Frontier and United Airlines are the most popular carriers operating from Harrisburg to Illinois

How many flights depart from Harrisburg to Illinois on average per day?

As of February 2026, 7 flights take off from Harrisburg and land in Illinois each day. The most common flight departure time for this route is 5:00PM, with 58% of daily flights taking off at noon.

When did momondo last update prices for flights from Harrisburg Airport to Illinois?

Prices for flights from Harrisburg Airport to Illinois refresh daily.

How many operators does momondo search for flights from Harrisburg Airport to Illinois?

As of February 2026, there are 3 operators available to choose from for flights from Harrisburg Airport to Illinois.

How old do you have to be to fly from Harrisburg Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Harrisburg Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$86 Cheap Flights from Harrisburg to Illinois in 2026

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Find the cheapest flights from Harrisburg to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:16 pm - 9:17 pm

MDT

ORD

28h 01m

1 stop

7:05 am - 5:26 pm

ORD

MDT

9h 21m

1 stop

$206Multiple Airlines

Fri, May 1 - Mon, May 4

5:49 pm - 7:00 pm

MDT

ORD

2h 11mnonstop

6:15 pm - 9:19 pm

ORD

MDT

2h 04mnonstop

$209United Airlines

Fri, May 1 - Mon, May 4

6:43 pm - 8:03 pm

MDT

ORD

2h 20mnonstop

8:23 am - 11:23 am

ORD

MDT

2h 00mnonstop

$210American Airlines

Mon, May 4 - Sat, May 9

6:00 am - 7:12 am

MDT

ORD

2h 12mnonstop

7:25 pm - 10:18 pm

ORD

MDT

1h 53mnonstop

$211American Airlines

Thu, Mar 5 - Sun, Mar 8

5:56 pm - 11:38 pm

MDT

ORD

6h 42m

1 stop

8:05 am - 5:52 pm

ORD

MDT

8h 47m

1 stop

$215Frontier

Tue, Mar 10 - Tue, Mar 17

8:00 pm - 11:21 pm

MDT

ORD

4h 21m

1 stop

9:21 pm - 12:30 am

ORD

MDT

2h 09mnonstop

$219United Airlines

Thu, Jun 4 - Sun, Jun 7

6:10 am - 8:53 am

MDT

MDW

3h 43m

1 stop

9:35 am - 3:52 pm

MDW

MDT

5h 17m

1 stop

$239Delta

Tue, Mar 10 - Tue, Mar 17

10:46 am - 8:27 pm

MDT

MDW

10h 41m

1 stop

7:30 am - 4:51 pm

MDW

MDT

8h 21m

1 stop

$250Frontier

Mon, Feb 23 - Thu, Feb 26

6:10 am - 8:53 am

MDT

MDW

3h 43m

1 stop

6:34 pm - 10:50 pm

MDW

MDT

3h 16m

1 stop

$269Delta

Fri, Apr 3 - Mon, Apr 6

12:19 pm - 9:59 am

MDT

PIA

22h 40m

1 stop

7:42 pm - 11:29 am

PIA

MDT

14h 47m

1 stop

$405Allegiant Air

Tue, Jul 21 - Mon, Jul 27

United Airlines flights from Harrisburg to Illinois

Our best United Airlines deals on Harrisburg to Illinois flight tickets

United Airlines

May 1

MDT6:30 amHarrisburg

2h 12m

ORD7:42 amChicago O'Hare Intl

May 3

ORD6:15 pmChicago O'Hare Intl

2h 04m

MDT9:19 pmHarrisburg

$209

United Airlines

Jun 4

MDT8:00 pmHarrisburg

4h 21m

1 stop

ORD11:21 pmChicago O'Hare Intl

Jun 7

ORD9:21 pmChicago O'Hare Intl

2h 09m

MDT12:30 amHarrisburg

$219

United Airlines

Jun 18

MDT6:30 amHarrisburg

2h 12m

ORD7:42 amChicago O'Hare Intl

Jun 21

ORD7:02 amChicago O'Hare Intl

2h 07m

MDT10:09 amHarrisburg

$220

American Airlines flights from Harrisburg to Illinois

Our best American Airlines deals on Harrisburg to Illinois flight tickets

American Airlines

May 4

MDT6:43 pmHarrisburg

2h 20m

ORD8:03 pmChicago O'Hare Intl

May 9

ORD8:23 amChicago O'Hare Intl

2h 00m

MDT11:23 amHarrisburg

$210

American Airlines

Mar 5

MDT6:00 amHarrisburg

2h 12m

ORD7:12 amChicago O'Hare Intl

Mar 8

ORD7:25 pmChicago O'Hare Intl

1h 53m

MDT10:18 pmHarrisburg

$211

American Airlines

Apr 10

MDT4:59 pmHarrisburg

7h 55m

1 stop

ORD11:54 pmChicago O'Hare Intl

Apr 12

ORD8:23 amChicago O'Hare Intl

2h 00m

MDT11:23 amHarrisburg

$239

Fly from

Fly to

Route

Depart

Return

Price

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Fri 5/1

6:16 pm-9:17 pm

1 stop28h 01m

Chicago O'Hare Intl

Mon 5/4

7:05 am-5:26 pm

1 stop9h 21m

$206

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Fri 5/1

5:49 pm-7:00 pm

Nonstop2h 11m

Chicago O'Hare Intl

Mon 5/4

6:15 pm-9:19 pm

Nonstop2h 04m

$209

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Mon 5/4

6:43 pm-8:03 pm

Nonstop2h 20m

Chicago O'Hare Intl

Sat 5/9

8:23 am-11:23 am

Nonstop2h 00m

$210

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Thu 3/5

6:00 am-7:12 am

Nonstop2h 12m

Chicago O'Hare Intl

Sun 3/8

7:25 pm-10:18 pm

Nonstop1h 53m

$211

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Tue 3/10

5:56 pm-11:38 pm

1 stop6h 42m

Chicago O'Hare Intl

Tue 3/17

8:05 am-5:52 pm

1 stop8h 47m

$215

HarrisburgChicago

MDT - ORD

MDTORD

Harrisburg

Thu 6/4

8:00 pm-11:21 pm

1 stop4h 21m

Chicago O'Hare Intl

Sun 6/7

9:21 pm-12:30 am

Nonstop2h 09m

$219

HarrisburgChicago

MDT - MDW

MDTMDW

Harrisburg

Tue 3/10

6:10 am-8:53 am

1 stop3h 43m

Chicago Midway

Tue 3/17

9:35 am-3:52 pm

1 stop5h 17m

$239

HarrisburgChicago

MDT - MDW

MDTMDW

Harrisburg

Mon 2/23

10:46 am-8:27 pm

1 stop10h 41m

Chicago Midway

Thu 2/26

7:30 am-4:51 pm

1 stop8h 21m

$250

HarrisburgChicago

MDT - MDW

MDTMDW

Harrisburg

Fri 4/3

6:10 am-8:53 am

1 stop3h 43m

Chicago Midway

Mon 4/6

6:34 pm-10:50 pm

1 stop3h 16m

$269

HarrisburgPeoria

MDT - PIA

MDTPIA

Harrisburg

Tue 7/21

12:19 pm-9:59 am

1 stop22h 40m

Greater Peoria

Mon 7/27

7:42 pm-11:29 am

1 stop14h 47m

$405

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Harrisburg to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Harrisburg is in February. Flight prices, which tend to average around $209, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $266.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Harrisburg to Illinois is on a Friday when prices can be found for as low as $380. Flights from Harrisburg to Illinois on a Monday will generally be more expensive and average around $584. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Harrisburg to Illinois during this time can be as low as $328. Flights at noon are often more expensive with an average ticket price of $538.

What is the cheapest Harrisburg to Illinois flight route?

Fly from Harrisburg to Chicago O'Hare Intl for the best Harrisburg - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Harrisburg when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $324 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Harrisburg for as low as $244 on momondo.

What cabin class options are available on Harrisburg to Illinois flights?

There are 4 cabin classes available to choose from on Harrisburg to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Harrisburg to Illinois flights?

You could potentially save up to 21% on your flight if you consider stops on a Harrisburg to Illinois flight.

Cheap Harrisburg to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harrisburg to Illinois

Best Price Found	$228
Fastest flight time	2h 02m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Harrisburg in the past 72 hours is $228. The best round-trip flight deal from Harrisburg to Illinois found on momondo in the last 72 hours is $326.

The fastest flight from Harrisburg to Illinois takes 2h 02m

Direct flights go from Harrisburg to Illinois every day.

There are 98 airports in Illinois. From Harrisburg there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

When did momondo last update prices for flights from Harrisburg Airport to Illinois?
Prices for flights from Harrisburg Airport to Illinois refresh daily.
How many operators does momondo search for flights from Harrisburg Airport to Illinois?
As of February 2026, there are 3 operators available to choose from for flights from Harrisburg Airport to Illinois.
How old do you have to be to fly from Harrisburg Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Harrisburg Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Harrisburg to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Harrisburg to Illinois is Embraer 170, representing 20.04% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet CRJ-550 at 17.93%, Boeing 737-700 at 14.98%, and Embraer 175 at 8.86%.

Best airlines flying from Harrisburg to Illinois

Compare and see reviews for airlines that fly from Harrisburg to Illinois with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $209	Free Cancellation	Rating 7.2 11,267 reviews	Search American Airlines flights
United Airlines	PriceFrom $209	Free Cancellation	Rating 7.4 9,276 reviews	Search United Airlines flights
Delta	PriceFrom $228	Free Cancellation	Rating 7.9 8,179 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Harrisburg to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Harrisburg to Illinois for you.

Can I find flights from Harrisburg to Illinois with flexible booking policies on momondo?

Yes. All flights to Illinois from Harrisburg on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Harrisburg to Illinois?

Once you have performed a search for Harrisburg to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Harrisburg to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Harrisburg are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Flights to Las Vegasfrom $46

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Flights to Bostonfrom $65

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Flights to Dallasfrom $54

Flights to Seattlefrom $66

Cheap flights from Harrisburg to Illinois from $86

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harrisburg to Illinois departing on 4/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Harrisburg to Illinois

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See travel insights to Illinois from

How to get the cheapest flight ticket from Harrisburg to Illinois

What is the cheapest month to fly to Illinois?

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

What is the cheapest Harrisburg to Illinois flight route?

How far in advance should I book a flight to Illinois?

What cabin class options are available on Harrisburg to Illinois flights?

Can stopping save me money on Harrisburg to Illinois flights?

What is the cheapest airline that flies from Harrisburg to Illinois?

What airlines fly to Illinois?

How many flights depart from Harrisburg to Illinois on average per day?

How many flights depart from Harrisburg to Illinois on average per week?

Cheap Harrisburg to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harrisburg to Illinois

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Best airlines flying from Harrisburg to Illinois

Compare and see reviews for airlines that fly from Harrisburg to Illinois with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Harrisburg to Illinois?

Can I find flights from Harrisburg to Illinois with flexible booking policies on momondo?

How can momondo help me find flights from Harrisburg to Illinois?

I’m not ready to book a flight from Harrisburg to Illinois right now. Can momondo alert me if prices change?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

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