Cheap Flights from Phoenix to Illinois from 79 € Return

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.

Chicago.79 € per passenger.Departing Mon, 11 Aug, returning Wed, 20 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Mon, 11 Aug, arriving in Chicago Rockford.Inbound direct flight with Allegiant Air departs from Chicago Rockford on Wed, 20 Aug, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From 79 €, select.

Moline.100 € per passenger.Departing Sun, 27 Jul, returning Thu, 31 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sun, 27 Jul, arriving in Moline.Inbound direct flight with Allegiant Air departs from Moline on Thu, 31 Jul, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From 100 €, select.

Peoria.130 € per passenger.Departing Sat, 19 Jul, returning Thu, 24 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sat, 19 Jul, arriving in Greater Peoria.Inbound direct flight with Allegiant Air departs from Greater Peoria on Thu, 24 Jul, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From 130 €, select.

Decatur.268 € per passenger.Departing Fri, 19 Sep, returning Sun, 21 Sep.Return flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Fri, 19 Sep, arriving in Decatur.Inbound indirect flight with United, departs from Decatur on Sun, 21 Sep, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 268 €, select.

Bloomington.385 € per passenger.Departing Sat, 21 Jun, returning Wed, 25 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Sat, 21 Jun, arriving in Central Illinois Regional.Inbound indirect flight with Delta, departs from Central Illinois Regional on Wed, 25 Jun, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From 385 €, select.

Flying from Phoenix to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	79 €, Chicago
Cheapest month to fly	August
Average flight time	3 hrs, 14 mins
Cheapest airport to fly from	Phoenix-Mesa Gateway
Most popular airline	American Airlines

How to find cheap flights from Phoenix to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Phoenix to Illinois. Other savvy travellers recently found return flights from 79 € and one-way tickets from 39 € one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Phoenix-Mesa Gateway into Chicago

At the moment, the lowest priced flight tickets to Illinois are from Phoenix-Mesa Gateway Airport to Chicago Rockford Airport.

Fly in July

We crunched the flight calendar and found the cheapest time to fly from Phoenix to Illinois is currently July.

Fly on a Wednesday

From our data, we can see that Wednesday seems to be the cheapest time to fly from Phoenix to Illinois.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Phoenix to anywhere you choose in Illinois.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Phoenix to Illinois go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Phoenix to Illinois flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Phoenix to Illinois flight price?

We looked at all of the upcoming return flights from Phoenix to Illinois we could find over the next 12 months. It looks like 79 € is the best price. This is good, compared to the average Illinois ticket price of 225 €.

What is the cheapest month to fly from Phoenix to Illinois?

The cheapest month to fly from Phoenix to Decatur Airport is usually September. The cheapest month to fly from Phoenix to Moline Airport is usually July. The cheapest month to fly from Phoenix to Greater Peoria Airport is usually July. And the cheapest month to fly from Phoenix to Central Illinois Regional Airport is usually June.

Which upcoming date is cheapest to fly from Phoenix to Illinois on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Illinois on Monday, 11 August 2025.

Are there any direct flights from Phoenix to Illinois?

Phoenix-Mesa Gateway Airport offers direct flights to Illinois.

If I'm flying from Phoenix, where in Illinois is cheapest to fly into?

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.