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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 SAR 1,534
Bloomington
1+ stopsFrom SAR 2,919
Peoria
1+ stopsFrom SAR 3,314
Marion
1+ stopsFrom SAR 3,417

Flight deals to Illinois

Find the best prices for one-way or return flights to Illinois's most popular spots.
Chicago.SAR 1,534 per passenger.Departing Sun, 17 May.One-way flight with Royal Jordanian.Outbound indirect flight with Royal Jordanian, departs from Dammam on Sun, 17 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From SAR 1,534, select.
Bloomington.SAR 2,919 per passenger.Departing Thu, 9 Apr.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Dammam on Thu, 9 Apr, arriving in Central Illinois Regional.Price includes taxes and charges.From SAR 2,919, select.
Peoria.SAR 3,314 per passenger.Departing Thu, 9 Apr.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Dammam on Thu, 9 Apr, arriving in Greater Peoria.Price includes taxes and charges.From SAR 3,314, select.
Marion.SAR 3,417 per passenger.Departing Mon, 20 Apr.One-way flight with flyadeal.Outbound indirect flight with flyadeal, departs from Hail on Mon, 20 Apr, arriving in Marion.Price includes taxes and charges.From SAR 3,417, select.
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Flying to Illinois

The things to know before you go.
Cheapest flight foundSAR 1,534
Cheapest month to flyMay
Cheapest airport to fly fromDammam

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 Riyadh 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 SAR 2,546.
Currently, Lufthansa and Qatar Airways offer the cheapest flight tickets to Illinois.
We looked at upcoming return flights to Illinois departing over the next 12 months and found that Riyadh Airport to Chicago O'Hare International Airport for SAR 2,546 is the best price.
The cheapest month to fly to Central Illinois Regional is currently April. The cheapest month to fly to Chicago O'Hare International is currently April. The cheapest month to fly to Champaign is currently March. And the cheapest month to fly to Greater Peoria is currently April.
The cheapest day to fly to Chicago O'Hare International is currently Tuesday, 21 April 2026. The cheapest day to fly to Greater Peoria is currently Saturday, 25 April 2026. The cheapest day to fly to Central Illinois Regional is currently Sunday, 26 April 2026. And the cheapest day to fly to Champaign is currently Tuesday, 31 March 2026.
If you're flying from Saudi Arabia, 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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