Cheap flights from Indiana to Illinois from $39
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indiana to Illinois departing on 8/5. 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 Indiana 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 Indiana is in December. Flight prices, which tend to average around $229, 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 December, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $238.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Indiana to Illinois is on a Thursday when prices can be found for as low as $602. Flights from Indiana to Illinois on a Sunday will generally be more expensive and average around $764. 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 morning. Flights from Indiana to Illinois during this time can be as low as $548. Flights at noon are often more expensive with an average ticket price of $1,117.
What is the cheapest Indiana to Illinois flight route?
Fly from Lafayette Purdue University to Chicago O'Hare Intl for the best Indiana - 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 Indiana when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $280 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Indiana for as low as $179 on momondo.
What cabin class options are available on Indiana to Illinois flights?
There are 4 cabin classes available to choose from on Indiana 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 Indiana to Illinois?
Southwest, United Airlines, and American Airlines are the most popular carriers operating from Indiana to Illinois
What airlines fly to Illinois?
United Airlines, American Airlines and Southern / Mokulele are the top three most popular airlines that fly to Illinois from Indiana according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 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 Indiana to Illinois on average per day?
259 flights are operational daily from Indiana to Illinois as of June 2025. The most popular departure time for this route is 9:00AM, with 41% of flights per day taking off at noon.
How many flights depart from Indiana to Illinois on average per week?
As of June 2025, 1,815 flights take off from Indiana and land in Illinois each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.
Cheap Indiana to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Indiana to Illinois
When did momondo last update prices for flights from Indiana to Illinois?
Prices for flights from Indiana to Illinois are updated daily.
How many operators does momondo search for flights from Indiana to Illinois?
As of June 2025, there are 6 operators available to choose from for flights from Indiana to Illinois.
How old do you have to be to fly from Indiana 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 Indiana 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 Indiana to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Indiana to Illinois is Embraer 170 (11.70% of total bookings). The next most popular plane models are Boeing 737-800 (10.29%), Embraer 175 (9.44%), and Embraer 175 (Enhanced Winglets) (8.47%).
Best airlines flying from Indiana to Illinois
Compare and see reviews for airlines that fly from Indiana to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $179 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $179 | Free Cancellation | Rating 7.4 8,809 reviews | |||
| PriceFrom $189 | Free Cancellation | Rating 6.5 27 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Indiana to Illinois?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Indiana.
Can I find flights from Indiana to Illinois with flexible booking policies on momondo?
momondo does allow users to show only those flights to Illinois from Indiana which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Indiana to Illinois?
momondo helps you find the best flight between Indiana and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Indiana to Illinois right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Indiana to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.