Cheap flights from Arizona to Illinois from $37
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Arizona to Illinois departing on 5/29. 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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Spirit Airlines flights from Arizona to Illinois
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How to get the cheapest flight ticket from Arizona 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 Arizona is in September. Flight prices, which tend to average around $164, 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 September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $211.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Arizona to Illinois is on a Friday when prices can be found for as low as $376. Flights from Arizona to Illinois on a Sunday will generally be more expensive and average around $618. 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 afternoon. Flights from Arizona to Illinois during this time can be as low as $284. Flights at noon are often more expensive with an average ticket price of $569.
What is the cheapest Arizona to Illinois flight route?
Fly from Phoenix Sky Harbor Intl to Chicago O'Hare Intl for the best Arizona - 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 Arizona when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $274 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Arizona for as low as $226 on momondo.
What cabin class options are available on Arizona to Illinois flights?
There are 4 cabin classes available to choose from on Arizona 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 Arizona to Illinois?
Frontier, Spirit Airlines, and Allegiant Air are the most popular carriers operating from Arizona to Illinois
What airlines fly to Illinois?
American Airlines, Frontier and United Airlines are the top three most popular airlines that fly to Illinois from Arizona according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 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 Arizona to Illinois on average per day?
As of May 2025, 104 flights take off from Arizona and land in Illinois each day. The most common flight departure time for this route is 12:00PM, with 40% of daily flights taking off in the afternoon.
How many flights depart from Arizona to Illinois on average per week?
As of May 2025, there are 732 flights per week flying from Arizona to Illinois. The most common day of the week flights depart is Wed, with 20% of flights taking off on this day.
Cheap Arizona to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Arizona to Illinois
When did momondo last update prices for flights from Arizona to Illinois?
Prices for flights from Arizona to Illinois refresh daily.
How many operators does momondo search for flights from Arizona to Illinois?
As of May 2025, there are 7 operators available to choose from for flights from Arizona to Illinois.
How old do you have to be to fly from Arizona to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Arizona 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 Arizona to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Arizona to Illinois is Boeing 737-800 (16.68% of total bookings). The next most popular plane models are Airbus A321neo (13.97%), Boeing 737 MAX 8 (11.31%), and Airbus A320neo (9.98%).
Best airlines flying from Arizona to Illinois
Compare and see reviews for airlines that fly from Arizona to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $64 | Free Cancellation | Rating 5.9 3,287 reviews | |||
| PriceFrom $81 | Free Cancellation | Rating 6.3 7,963 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 7.3 734 reviews | |||
| PriceFrom $149 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $168 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $189 | Free Cancellation | Rating 8.0 4,294 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 8.0 7,934 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Arizona to Illinois?
Finding the right flight to Illinois from Arizona is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.
Can I find flights from Arizona to Illinois with flexible booking policies on momondo?
Flights from Arizona to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Arizona to Illinois?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Arizona to Illinois.
I’m not ready to book a flight from Arizona to Illinois right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Arizona 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.