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