Cheap Flights from Stewart International Airport to Illinois from £140 Return

Flight deals from Stewart International Airport to Illinois

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

Chicago.£140 per passenger.Departing Fri, 3 Oct, returning Sun, 5 Oct.Return flight with Allegiant Air and Spirit Airlines.Outbound indirect flight with Allegiant Air, departs from Stewart International on Fri, 3 Oct, arriving in Chicago O'Hare International.Inbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Sun, 5 Oct, arriving in Stewart International.Price includes taxes and charges.From £140, select.

Peoria.£424 per passenger.Departing Thu, 18 Dec, returning Thu, 25 Dec.Return flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Stewart International on Thu, 18 Dec, arriving in Greater Peoria.Inbound indirect flight with Allegiant Air, departs from Greater Peoria on Thu, 25 Dec, arriving in Stewart International.Price includes taxes and charges.From £424, select.

Moline.£461 per passenger.Departing Tue, 25 Nov, returning Sun, 30 Nov.Return flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Stewart International on Tue, 25 Nov, arriving in Moline.Inbound indirect flight with Allegiant Air, departs from Moline on Sun, 30 Nov, arriving in Stewart International.Price includes taxes and charges.From £461, select.

Flying from Stewart International Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	£140, Chicago
Cheapest month to fly	October
Average flight time	2 hrs, 20 mins
Average flights per week	1
Most popular airline	United

How to find cheap flights from Stewart International Airport to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Stewart International Airport to Illinois. Other savvy travellers recently found return flights from £140 and one-way tickets from £71. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in October

The cheapest time to fly from Stewart International Airport to Illinois is currently October.

Fly on a Monday

From our data, we can see that Monday seems to be the cheapest time to fly from Stewart International Airport 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 Stewart International Airport to anywhere you choose in Illinois.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Stewart International 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 flight tickets

With us, there are no added fees – the Stewart International 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 Stewart International Airport to Illinois?

There are currently no direct flights from Stewart International Airport to Illinois, but we've found some other routes to United States – check them out now.

Which other New York airports offer direct flights to Illinois?

New York LaGuardia Airport offers direct flights to Illinois.

What is the average price of a flight from Stewart International Airport to Illinois?

We looked at all of the upcoming return flights from Stewart International Airport to Illinois we could find over the next 12 months. It looks like £140 is the best price. This is good, compared to the average Illinois ticket price of £342.

What is the cheapest month to fly from Stewart International Airport to Illinois?

The cheapest month to fly from Stewart International Airport to Chicago O'Hare International Airport is currently October.
The cheapest month to fly from Stewart International Airport to Greater Peoria Airport is currently December.
And the cheapest month to fly from Stewart International Airport to Moline Airport is usually November.

Which upcoming date is cheapest to fly from Stewart International Airport to Illinois on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Stewart International Airport to Illinois on Friday, 3 October 2025.

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

If you're flying from Stewart International, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago O'Hare International.