Cheap flights from Illinois to Pennsylvania from $38
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Pennsylvania departing on 7/8. 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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How to get the cheapest flight ticket from Illinois to Pennsylvania
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
What is the cheapest month to fly to Pennsylvania?
The month of August is, on average, the cheapest month to fly to Pennsylvania from Illinois, with most prices found around $129. If you don’t want to visit Pennsylvania in August, then you should wait until September to fly from Illinois, when ticket prices are also cheap, with an average price of $132.
What is the cheapest day to depart on your flight to Pennsylvania?
The cheapest day to depart on your flight to Pennsylvania is on a Thursday when prices can be found for as low as $266. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $441. These prices are subject to change though, so be sure to set up a Price Alert for flights to Pennsylvania.
What is the cheapest time of day to depart on your flight to Pennsylvania?
Our most recent data shows that the best time of day to fly to Pennsylvania is in the evening. Flights from Illinois to Pennsylvania during this time can be as low as $230. In contrast, the most expensive time of day to depart to Pennsylvania is in the afternoon when prices are around $546.
What is the cheapest Illinois to Pennsylvania flight route?
Fly from Chicago Midway to Philadelphia for the best Illinois - Pennsylvania flight prices
How far in advance should I book a flight to Pennsylvania?
You are more likely to see cheaper flights to Pennsylvania from Illinois when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Pennsylvania for around $253 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pennsylvania from Illinois for as low as $169 on momondo.
What cabin class options are available on Illinois to Pennsylvania flights?
There are 4 cabin classes available to choose from on Illinois to Pennsylvania flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Illinois to Pennsylvania?
Spirit Airlines, United Airlines, and Southwest are the most popular carriers operating from Illinois to Pennsylvania
What airlines fly to Pennsylvania?
American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Pennsylvania from Illinois according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Pennsylvania. Keep in mind that there are 6 different airlines that fly to Pennsylvania on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to Pennsylvania on average per day?
As of June 2025, 334 flights take off from Illinois and land in Pennsylvania each day. The most common flight departure time for this route is 6:00PM, with 46% of daily flights taking off in the evening.
How many flights depart from Illinois to Pennsylvania on average per week?
As of June 2025, there are 2,344 flights per week flying from Illinois to Pennsylvania. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.
Cheap Illinois to Pennsylvania flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Pennsylvania
Best Price Found | $38 |
|---|---|
Fastest flight time | 1h 50m |
Direct flights | Every day |
Airports in Pennsylvania | 6 airports |
When did momondo last update prices for flights from Illinois to Pennsylvania?
Prices for flights from Illinois to Pennsylvania were last updated today.
How many operators does momondo search for flights from Illinois to Pennsylvania?
As of June 2025, there are 7 operators available to choose from for flights from Illinois to Pennsylvania.
How old do you have to be to fly from Illinois to Pennsylvania?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Pennsylvania.
What documentation or ID do you need to fly to Pennsylvania?
The travel and health documents you'll need for your trip to Pennsylvania may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Pennsylvania. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Pennsylvania?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Pennsylvania is Boeing 737-800, representing 20.92% of all bookings. The subsequent popular models are Airbus A320-100/200 at 11.97%, Boeing 737 MAX 8 at 9.16%, and Airbus A319 at 8.11%.
Best airlines flying from Illinois to Pennsylvania
Compare and see reviews for airlines that fly from Illinois to Pennsylvania with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $54 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom $63 | Free Cancellation | Rating 6.3 8,060 reviews | |||
| PriceFrom $117 | Free Cancellation | Rating 8.0 4,278 reviews | |||
| PriceFrom $118 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $124 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $125 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to Pennsylvania?
Finding the right flight to Pennsylvania from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Pennsylvania quick and easy, saving you time and money.
Can I find flights from Illinois to Pennsylvania with flexible booking policies on momondo?
Yes. All flights to Pennsylvania from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Illinois to Pennsylvania?
Once all potential Illinois to Pennsylvania flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Illinois to Pennsylvania right now. Can momondo alert me if prices change?
Price alerts on flights to Pennsylvania from Illinois 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.