$69 Find Cheap Flights from Pittsburgh to Illinois - Compare and Save

The cheapest ticket to Illinois from Pittsburgh found in the last 5 days was to Chicago, at $159 round-trip. The most popular route is from Pittsburgh (PIT) to Chicago O'Hare Intl Airport (ORD), and the cheapest round-trip airline ticket found on this route in the last 5 days was $215.

The cheapest time of day to fly to Illinois is generally at night, when round-trip flights cost $430 on average. Morning departures are around 5% cheaper than evening flights, on average. The most expensive time of day to fly to Illinois is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $518.

No, with an average price for the route of $429, prices are generally cheapest when you fly direct.

The cheapest month for flights from Pittsburgh to Illinois is October, when tickets cost $278 (return) on average. On the other hand, the most expensive months are July and June, when the average cost of round-trip tickets is $391 and $382 respectively.

If you are looking for a flight deal from Pittsburgh to Illinois, look for departures on Fridays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Illinois, Thursday is the cheapest day to fly and Monday is the most expensive.

To get a below average price on the flight from Pittsburgh to Illinois, you should book around 4 weeks before departure, which saves you about 56% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

There are 3 airlines that fly nonstop from Pittsburgh to Illinois. They are: American Airlines, Southwest and United Airlines. The cheapest price of all airlines flying this route was found with American Airlines at $97 for a round-trip flight to Chicago O'Hare Intl Airport (ORD). On average, American Airlines offers the best prices for nonstop flights between Pittsburgh and Illinois.

Pittsburgh and Illinois are connected by different airlines. The airlines that fly that route the most regularly are American Airlines (59 flights per week), United Airlines (50 flights per week), and Alaska Airlines (50 flights per week).

The duration of a flight to Illinois depends on your arrival airport. The shortest routes to Illinois from Pittsburgh are to Chicago, which takes 3h 41m, Moline, which takes 3h 46m, and Springfield, which takes 5h 04m.

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

The earliest flight from Pittsburgh to Illinois departs at 5:21 am, landing in Chicago at 6:10 am.

If you prefer to fly at night, the latest flight from Pittsburgh to Illinois jets off at 8:59 pm and lands in Chicago at 10:00 pm.