Cheap flights from Pittsburgh to Illinois from $49
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pittsburgh to Illinois departing on 8/7. 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 Pittsburgh 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
What is the cheapest month to fly to Illinois?
The cheapest month to fly to Illinois from Pittsburgh is in August. Flight prices, which tend to average around $241, 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 August, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $246.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Pittsburgh to Illinois is on a Thursday when prices can be found for as low as $421. Flights from Pittsburgh to Illinois on a Sunday will generally be more expensive and average around $562. 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 Pittsburgh to Illinois during this time can be as low as $409. Flights at noon are often more expensive with an average ticket price of $654.
What is the cheapest Pittsburgh to Illinois flight route?
Fly from Pittsburgh to Chicago Midway for the best Pittsburgh - 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 Pittsburgh when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $309 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Pittsburgh for as low as $209 on momondo.
What cabin class options are available on Pittsburgh to Illinois flights?
There are 4 cabin classes available to choose from on Pittsburgh to Illinois 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 Pittsburgh to Illinois?
Southwest, United Airlines, and Spirit Airlines are the most popular carriers operating from Pittsburgh to Illinois
What airlines fly to Illinois?
United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Illinois from Pittsburgh according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 4 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 Pittsburgh to Illinois on average per day?
The number of flights available between Pittsburgh and Illinois is 45 per day as of June 2025. The most frequent departure time is 4:00PM, with 47% of daily flights leaving at noon.
How many flights depart from Pittsburgh to Illinois on average per week?
As of June 2025, there are 319 flights per week flying from Pittsburgh to Illinois. The most common day of the week flights depart is Thu, with 19% of flights taking off on this day.
Cheap Pittsburgh to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Pittsburgh to Illinois
When did momondo last update prices for flights from Pittsburgh Airport to Illinois?
Prices for flights from Pittsburgh Airport to Illinois refresh daily.
How many operators does momondo search for flights from Pittsburgh Airport to Illinois?
There are 4 operators available for flights from Pittsburgh Airport to Illinois as of June 2025.
How old do you have to be to fly from Pittsburgh Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pittsburgh Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Pittsburgh to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Pittsburgh to Illinois is Airbus A319, representing 15.22% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 10.98%, Embraer 175 at 10.51%, and Boeing 737 MAX 8 at 9.44%.
Best airlines flying from Pittsburgh to Illinois
Compare and see reviews for airlines that fly from Pittsburgh to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $131 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $132 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $137 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $197 | Free Cancellation | Rating 8.0 7,946 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Pittsburgh to Illinois?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Pittsburgh to Illinois. momondo saves you time and could save you money on your trip.
Can I find flights from Pittsburgh to Illinois with flexible booking policies on momondo?
All flight searches from Pittsburgh to Illinois on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Pittsburgh to Illinois?
Once you have performed a search for Pittsburgh 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 Pittsburgh to Illinois right now. Can momondo alert me if prices change?
Price alerts on flights to Illinois from Pittsburgh 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.