Cheap flights to Illinois

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Find where to fly in Illinois

You could visit 14 destinations in Illinois – explore your options right here.

Flight deals to Illinois

Find the best prices for one-way or return flights to Illinois's most popular spots.

Flying to Illinois

The things to know before you go.
Cheapest flight found$1,077, Chicago
Cheapest month to flyMarch
Cheapest airport to fly fromBrisbane

Frequently asked questions

Currently, there are no airlines that fly direct to Illinois. But we found flights with one or more stops from $1,077.
Currently, Qantas and United offer the cheapest flight tickets to Illinois.
We looked at upcoming return flights to Illinois departing over the next 12 months and found that Brisbane Airport to Chicago O'Hare International Airport for $1,077 is the best price.
The cheapest month to fly to Champaign is currently April. The cheapest month to fly to Springfield is currently April. The cheapest month to fly to Central Illinois Regional is currently March. And the cheapest month to fly to Chicago O'Hare International is currently March.
The cheapest day to fly to Chicago O'Hare International is currently Monday, 10 March 2025. The cheapest day to fly to Moline is currently Monday, 3 March 2025. The cheapest day to fly to Central Illinois Regional is currently Monday, 3 March 2025. And the cheapest day to fly to Champaign is currently Tuesday, 8 April 2025.
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.