Flights from Phoenix-Mesa Gateway Airport to Illinois

Flight deals from Phoenix-Mesa Gateway Airport to Illinois

Looking for cheap flights from Phoenix-Mesa Gateway Airport to Illinois, or a last-minute trip? Find the cheapest prices on one-way and round-trip flights right here.

Chicago.$90 per passenger.Departing Wed, Jan 21, returning Mon, Jan 26.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Phoenix-Mesa Gateway on Wed, Jan 21, arriving in Chicago Rockford.Inbound direct flight with Allegiant Air departing from Chicago Rockford on Mon, Jan 26, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $90, select.

Moline.$156 per passenger.Departing Wed, Jan 7, returning Wed, Jan 21.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Phoenix-Mesa Gateway on Wed, Jan 7, arriving in Moline.Inbound direct flight with Allegiant Air departing from Moline on Wed, Jan 21, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $156, select.

Peoria.$163 per passenger.Departing Thu, Jan 22, returning Sat, Jan 24.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Phoenix-Mesa Gateway on Thu, Jan 22, arriving in Greater Peoria.Inbound direct flight with Allegiant Air departing from Greater Peoria on Sat, Jan 24, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $163, select.

Bloomington.$186 per passenger.Departing Fri, Mar 6, returning Mon, Mar 9.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Phoenix-Mesa Gateway on Fri, Mar 6, arriving in Central Illinois Regional.Inbound direct flight with Allegiant Air departing from Central Illinois Regional on Mon, Mar 9, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $186, select.

Quincy.$499 per passenger.Departing Thu, Jan 22, returning Sun, Jan 25.Round-trip flight with Allegiant Air and Contour Airlines.Outbound indirect flight with Allegiant Air, departing from Phoenix-Mesa Gateway on Thu, Jan 22, arriving in Quincy.Inbound indirect flight with Contour Airlines, departing from Quincy on Sun, Jan 25, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $499, select.

Springfield.$619 per passenger.Departing Tue, Jan 6, returning Wed, Jan 7.Round-trip flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departing from Phoenix-Mesa Gateway on Tue, Jan 6, arriving in Springfield.Inbound indirect flight with Allegiant Air, departing from Springfield on Wed, Jan 7, arriving in Phoenix-Mesa Gateway.Price includes taxes and charges.From $619, select.

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Flying from Phoenix-Mesa Gateway Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	$90
Cheapest month to fly	January
Average flight time	3 hrs, 1 min
Average flights per week	17
Most popular airline	Allegiant Air

How to find cheap flights from Phoenix-Mesa Gateway Airport to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Phoenix-Mesa Gateway Airport to Illinois. Other savvy travelers recently found round-trip flights from $90 and one-way tickets from $45. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in January

The cheapest time to fly from Phoenix-Mesa Gateway Airport to Illinois is currently January.

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-Mesa Gateway Airport to anywhere you choose in Illinois.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from Phoenix-Mesa Gateway Airport to your chosen airport in Illinois go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

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

Frequently asked questions

Are there any direct flights from Phoenix-Mesa Gateway Airport to Illinois?

Yes – direct flights currently operate from Phoenix-Mesa Gateway Airport to Chicago Rockford Airport, Moline Airport, and Greater Peoria Airport in Illinois.

Which other Phoenix airports offer direct flights to Illinois?

Phoenix Sky Harbor Airport offers direct flights to Illinois.

What is the average price of a flight from Phoenix-Mesa Gateway Airport to Illinois?

We looked at all of the upcoming round-trip flights from Phoenix-Mesa Gateway Airport to Illinois we could find over the next 12 months. It looks like $90 is the best price. This is good, compared to the average Illinois ticket price of $286.

What is the cheapest month to fly from Phoenix-Mesa Gateway Airport to Illinois?

The cheapest month to fly from Phoenix-Mesa Gateway Airport to Chicago Rockford Airport is currently January.
The cheapest month to fly from Phoenix-Mesa Gateway Airport to Springfield Airport is currently January.
The cheapest month to fly from Phoenix-Mesa Gateway Airport to Quincy Airport is currently January.
And the cheapest month to fly from Phoenix-Mesa Gateway Airport to Central Illinois Regional Airport is usually March.

On which upcoming date is it cheapest to fly from Phoenix-Mesa Gateway Airport to Illinois?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix-Mesa Gateway Airport to Illinois on Wednesday, January 21, 2026.

If I'm flying from Phoenix-Mesa Gateway Airport, where in Illinois is cheapest to fly to?

If you're flying from Phoenix-Mesa Gateway, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago Rockford.