Cheap flights from Indianapolis to Illinois from $63
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indianapolis to Illinois departing on 4/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Indianapolis to Illinois
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Frontier flights from Indianapolis to Illinois
Our best Frontier deals on Indianapolis to Illinois flight tickets
American Airlines flights from Indianapolis to Illinois
Our best American Airlines deals on Indianapolis to Illinois flight tickets
See travel insights to Illinois from
How to get the cheapest flight ticket from Indianapolis 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 Indianapolis 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 January is also cheap. Prices for this month can be found on momondo for an average of $239.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Indianapolis to Illinois is on a Monday when prices can be found for as low as $754. Flights from Indianapolis to Illinois on a Sunday will generally be more expensive and average around $1,364. 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 Indianapolis to Illinois during this time can be as low as $553. Flights in the evening are often more expensive with an average ticket price of $1,311.
What is the cheapest Indianapolis to Illinois flight route?
Fly from Indianapolis to Chicago O'Hare Intl for the best Indianapolis - 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 Indianapolis when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $280 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Indianapolis for as low as $186 on momondo.
What cabin class options are available on Indianapolis to Illinois flights?
There are 4 cabin classes available to choose from on Indianapolis 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 Indianapolis to Illinois?
Spirit Airlines, Frontier, and Southwest are the most popular carriers operating from Indianapolis to Illinois
What airlines fly to Illinois?
American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Illinois from Indianapolis according to our data. American Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 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 Indianapolis to Illinois on average per day?
The number of flights available between Indianapolis and Illinois is 24 per day as of March 2025. The most frequent departure time is 6:00AM, with 52% of daily flights leaving at noon.
How many flights depart from Indianapolis to Illinois on average per week?
The number of flights available between Indianapolis and Illinois is 172 per week as of March 2025. The most frequent departure day is Wed, with 31% of weekly flights leaving on this day.
Cheap Indianapolis to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Indianapolis to Illinois
When did momondo last update prices for flights from Indianapolis Airport to Illinois?
Prices for flights from Indianapolis Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Indianapolis Airport to Illinois?
As of March 2025, there are 3 operators available to choose from for flights from Indianapolis Airport to Illinois.
How old do you have to be to fly from Indianapolis Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Indianapolis Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Indianapolis to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Indianapolis to Illinois is Boeing 737-800 (14.03% of total bookings). The next most popular plane models are Embraer 170 (10.64%), Boeing 737 MAX 8 (9.68%), and Embraer 175 (8.61%).
Best airlines flying from Indianapolis to Illinois
Compare and see reviews for airlines that fly from Indianapolis 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 8,660 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Indianapolis to Illinois?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Indianapolis to Illinois. momondo saves you time and could save you money on your trip.
Can I find flights from Indianapolis to Illinois with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Indianapolis to Illinois flights to just show those with flexible booking policies.
How can momondo help me find flights from Indianapolis to Illinois?
Once you have performed a search for Indianapolis 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 Indianapolis to Illinois right now. Can momondo alert me if prices change?
Price alerts on flights to Illinois from Indianapolis 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.