Flights from Phoenix to Illinois

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Flight deals from Phoenix to Illinois

Looking for cheap tickets from Phoenix to Illinois, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Flying from Phoenix to Illinois

Arm yourself with these facts on the fly.
Cheapest flight foundR 796, Chicago
Cheapest month to flyJuly
Average flight time3 hrs, 14 mins
Cheapest airport to fly fromPhoenix-Mesa Gateway
Most popular airlineAmerican Airlines

Frequently asked questions

We looked at all of the upcoming return flights from Phoenix to Illinois we could find over the next 12 months. It looks like R 1,739 is the best price. This is good, compared to the average Illinois ticket price of R 4,277.
The cheapest month to fly from Phoenix to Central Illinois Regional Airport is usually June. The cheapest month to fly from Phoenix to Greater Peoria Airport is usually July. The cheapest month to fly from Phoenix to Decatur Airport is usually September. And the cheapest month to fly from Phoenix to Moline Airport is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Illinois on Monday, 8 September 2025.
Phoenix-Mesa Gateway Airport offers direct flights to Illinois.
If you're flying from Phoenix, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago Rockford.
The average flight time between Phoenix and Illinois is 3 hours and 13 minutes.