Cheap Flights from Peoria (PIA) to Chicago (MDW)

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Flights from Peoria (PIA) to Chicago (MDW)
Origin airport
Greater Peoria Regional
Destination airport
Midway Intl.
Distance
127 mi

Peoria to Chicago Flights

The cheapest times to fly from Peoria to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Peoria to Chicago are during the month of . You can find some of the cheapest flights from Peoria to Chicago with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Peoria to Chicago

Sunday is one of the best days to book for cheap flights from Peoria to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Peoria to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Peoria to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Peoria to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Peoria to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from Peoria Intl. Airport to Chicago Airport last minute?
Booking your trip from Peoria Intl. Airport to MDW at the last minute could save you a pretty penny if you happen to find an amazing deal. However, tickets typically don’t come down in price as the departure date nears. If you wait, flights could also be booked up or the best seats taken (because who wants the middle seat?). If you’d rather not take any chances, book well ahead of the date you want to leave. In fact, some of the best deals are available on Expedia up to a year in advance. If your favorite airline hasn’t released tickets yet, check back regularly as deals are constantly updated on Expedia.
What airports do you fly into for Chicago from Peoria?
From Peoria, you can connect to Chicago via Midway Intl. Airport (MDW), O’Hare Intl. Airport (ORD) and Lewis University Airport (LOT). Do some research into which terminal is the best option for you before making your decision. If you go with Midway Intl. Airport (MDW), it’s approximately 9 mi southwest of downtown. Use the dollars you save when booking your seat with Expedia to discover the city’s well-known sights, such as Wrigley Field and Millennium Park.
Can I change the date of my flight from Greater Peoria Regional Airport (PIA) to Midway Intl. Airport (MDW)?
You can quickly and easily make changes to your Greater Peoria Regional Airport (PIA) to Midway Intl. Airport (MDW) flight via the Expedia Trips portal. Before you amend times or dates, browse the rules and conditions in your itinerary to see what the carrier will allow you to do and whether fees apply. Some airlines have a change fee per person, in addition to any difference in airfares. However, if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also head to our Customer Service portal for further details and to chat with our Virtual Agent.

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*Available to One Key members.