Cheap Flights from Phoenix to Illinois from $193 Return

Flight deals from Phoenix to Illinois

Looking for a cheap last-minute deal or the best return flight from Phoenix to Illinois? If you want to travel next month, return fares start from $221. Find the lowest prices on one-way and return tickets right here.

Chicago.$193 per passenger.Departing Mon, 27 Jul, returning Fri, 14 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Mon, 27 Jul, arriving in Chicago Rockford.Inbound direct flight with Allegiant Air departs from Chicago Rockford on Fri, 14 Aug, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $193, select.

Moline.$221 per passenger.Departing Fri, 15 May, returning Mon, 18 May.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Fri, 15 May, arriving in Moline.Inbound direct flight with Allegiant Air departs from Moline on Mon, 18 May, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $221, select.

Bloomington.$238 per passenger.Departing Fri, 8 May, returning Fri, 15 May.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Fri, 8 May, arriving in Central Illinois Regional.Inbound direct flight with Allegiant Air departs from Central Illinois Regional on Fri, 15 May, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $238, select.

Peoria.$274 per passenger.Departing Sat, 8 Aug, returning Thu, 13 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Phoenix-Mesa Gateway on Sat, 8 Aug, arriving in Greater Peoria.Inbound direct flight with Allegiant Air departs from Greater Peoria on Thu, 13 Aug, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $274, select.

Champaign.$573 per passenger.Departing Tue, 28 Jul, returning Tue, 11 Aug.Return flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Tue, 28 Jul, arriving in Champaign.Inbound indirect flight with United, departs from Champaign on Tue, 11 Aug, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $573, select.

Decatur.$797 per passenger.Departing Thu, 7 May, returning Mon, 11 May.Return flight with United.Outbound indirect flight with United, departs from Phoenix Sky Harbor on Thu, 7 May, arriving in Decatur.Inbound indirect flight with United, departs from Decatur on Mon, 11 May, arriving in Phoenix Sky Harbor.Price includes taxes and charges.From $797, select.

Show more deals

Flying from Phoenix to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	$193
Cheapest month to fly	July
Average flight time	3 hrs, 15 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 $193 and one-way tickets from $90 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 Rockford

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.

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 Illinois 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 $193 is the best price. This is good, compared to the average Illinois ticket price of $383.

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

The cheapest month to fly from Phoenix to Decatur Airport is usually May. The cheapest month to fly from Phoenix to Moline Airport is usually May. The cheapest month to fly from Phoenix to Greater Peoria Airport is usually August. And the cheapest month to fly from Phoenix to Chicago Rockford Airport is usually July.

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, 27 July 2026.

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.