Cheap Flights to Illinois from $598 One-way

Compare Illinois flights across hundreds of providers

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

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Find where to fly in Illinois

These places in Illinois are popular with travellers.

Flight deals to Illinois

Looking for a cheap last-minute deal or the best return flight to Illinois? If you want to travel to Illinois next month, return fares start from $1,052. Find the lowest prices on one-way and return tickets right here.

Chicago.$598 per passenger.Departing Thu, 8 Oct.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Thu, 8 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From $598, select.

Champaign.$1,267 per passenger.Departing Thu, 8 Oct.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Singapore Changi on Thu, 8 Oct, arriving in Champaign.Price includes taxes and charges.From $1,267, select.

Moline.$1,269 per passenger.Departing Sun, 18 Oct.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Singapore Changi on Sun, 18 Oct, arriving in Moline.Price includes taxes and charges.From $1,269, select.

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Flying to Illinois

The things to know before you go.

Cheapest flight found	$598
Cheapest month to fly	October
Cheapest airport to fly from	Singapore Changi

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 Singapore Changi to Chicago O'Hare International.

Fly in February

The cheapest time to fly to Illinois is currently February.

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

Which airlines fly direct to Illinois?

Currently, there are no airlines that fly direct to Illinois. But we found flights with one or more stops from $947.

Which is the cheapest airline to fly to Illinois with?

Currently, Air Canada and Qatar Airways offer the cheapest flight tickets to Illinois.

How much is the cheapest flight ticket to Illinois?

We looked at upcoming return flights to Illinois departing over the next 12 months and found that Singapore Changi Airport to Chicago O'Hare International Airport for $947 is the best price.

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Chicago O'Hare International is currently February. The cheapest month to fly to Moline is currently July. The cheapest month to fly to Champaign is currently October. And the cheapest month to fly to Central Illinois Regional is currently March.

What is the cheapest day to fly to Illinois?

The cheapest day to fly to Chicago O'Hare International is currently Thursday, 4 February 2027. The cheapest day to fly to Champaign is currently Thursday, 8 October 2026. The cheapest day to fly to Central Illinois Regional is currently Saturday, 27 March 2027. And the cheapest day to fly to Moline is currently Tuesday, 28 July 2026.

Where's cheapest to fly into in Illinois?

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