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Cheap flights to Illinois

Compare Illinois flights across hundreds of providers

Find the cheapest month or even day of the year to fly

Book the best fare with no fees

Find where to fly in Illinois

These places in Illinois are popular with travellers.
Chicago
1+ stopsFrom $1,325
Peoria
1+ stopsFrom $2,828
Springfield
1+ stopsFrom $3,307
Moline
1+ stopsFrom $3,503

Flight deals to Illinois

Find the best prices for one-way or return flights to Illinois's most popular spots.
Chicago.$1,325 per passenger.Departing Wed, 15 Apr, returning Sat, 18 Apr.Return flight with Fiji Airways and Spirit Airlines.Outbound indirect flight with Fiji Airways, departs from Sydney on Wed, 15 Apr, arriving in Chicago O'Hare International.Inbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Sat, 18 Apr, arriving in Sydney.Price includes taxes and charges.From $1,325, select.
Peoria.$2,828 per passenger.Departing Tue, 1 Sep, returning Wed, 30 Sep.Return flight with Qantas.Outbound indirect flight with Qantas, departs from Melbourne Tullamarine on Tue, 1 Sep, arriving in Greater Peoria.Inbound indirect flight with Qantas, departs from Greater Peoria on Wed, 30 Sep, arriving in Melbourne Tullamarine.Price includes taxes and charges.From $2,828, select.
Springfield.$3,307 per passenger.Departing Mon, 11 May, returning Mon, 18 May.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Sydney on Mon, 11 May, arriving in Springfield.Inbound indirect flight with Qatar Airways, departs from Springfield on Mon, 18 May, arriving in Sydney.Price includes taxes and charges.From $3,307, select.
Moline.$3,503 per passenger.Departing Wed, 29 Jul, returning Fri, 14 Aug.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Melbourne Tullamarine on Wed, 29 Jul, arriving in Moline.Inbound indirect flight with Qatar Airways, departs from Moline on Fri, 14 Aug, arriving in Melbourne Tullamarine.Price includes taxes and charges.From $3,503, select.
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Flying to Illinois

The things to know before you go.
Cheapest flight found$710, Chicago
Cheapest month to flySeptember
Cheapest airport to fly fromSydney

How to find cheap one-way and return flights to Illinois

Here are a few tips on how to find the best price for Illinois flights.

Simply hit 'search'

We've compared all the best online travel agents and flight providers out there to find the cheapest plane tickets to Illinois. And with us, there are no added fees – what you see is what you pay.

Fly into Chicago O'Hare International

At the moment, the lowest priced flight tickets to Illinois are from Sydney to Chicago O'Hare International.

Fly in April

The cheapest time to fly to Illinois is currently April.

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 travel to any city you choose in Illinois.

Set up a Price Alert

We'll let you know when flight prices to Illinois go up or down so you can book when the time is just right.

Book flights to Illinois on the Skyscanner app

You can search, compare and save your favourite Illinois flights, hotel and car hire in seconds – all on the Skyscanner app for iOS or Android.

Book flight tickets to Illinois with extra peace of mind

Find flexible getaways

Keep an eye out for flexible ticket options to Illinois. If you go for a flexible plane ticket, you won’t lose out if your flight is cancelled or needs to be changed.

Book spotless stays

Check out the hotels in Illinois with sparkling 5/5 cleanliness ratings, or bag a room with free cancellation.

Get insured

Choose travel cost protection that covers against any unexpected hiccups before or during your trip. With the right travel insurance, you won’t lose out on money if your flights to Illinois are changed or cancelled or your trip is cut short.


Frequently asked questions

Currently, there are no airlines that fly direct to Illinois. But we found flights with one or more stops from $1,325.
Currently, Fiji Airways and Qantas offer the cheapest flight tickets to Illinois.
We looked at upcoming return flights to Illinois departing over the next 12 months and found that Sydney Airport to Chicago O'Hare International Airport for $1,325 is the best price.
The cheapest month to fly to Springfield is currently May. The cheapest month to fly to Chicago O'Hare International is currently April. The cheapest month to fly to Moline is currently July. And the cheapest month to fly to Greater Peoria is currently September.
The cheapest day to fly to Chicago O'Hare International is currently Wednesday, 15 April 2026. The cheapest day to fly to Greater Peoria is currently Tuesday, 1 September 2026. The cheapest day to fly to Springfield is currently Monday, 11 May 2026. And the cheapest day to fly to Moline is currently Wednesday, 29 July 2026.
If you're flying from Australia, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago O'Hare International Airport.

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