Cheap Flights to Illinois

Q: What is the cheapest month to fly to Illinois?

The cheapest month to fly to Chicago O'Hare International is currently November . The cheapest month to fly to Greater Peoria is currently November . And the cheapest month to fly to Marion is currently November .

Q: What is the cheapest day to fly to Illinois?

The cheapest day to fly to Chicago O'Hare International is currently Friday, 21 November 2025 . The cheapest day to fly to Marion is currently Wednesday, 5 November 2025 . The cheapest day to fly to Greater Peoria is currently Friday, 14 November 2025 .

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Find where to fly in Illinois

You could visit 13 destinations in Illinois – explore your options right here.

Chicago

1+ stopsFrom Rs141,869

Peoria

1+ stopsFrom Rs197,726

Flight deals to Illinois

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

Chicago.Rs141,869 per passenger.Departing Wed, 3 Dec.One-way flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Karachi on Wed, 3 Dec, arriving in Chicago O'Hare International.Price includes taxes and charges.From Rs141,869, select.

Peoria.Rs197,726 per passenger.Departing Tue, 25 Nov.One-way flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Islamabad on Tue, 25 Nov, arriving in Greater Peoria.Price includes taxes and charges.From Rs197,726, select.

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Flying to Illinois

The things to know before you go.

Cheapest flight found	Rs141,869
Cheapest month to fly	December
Cheapest airport to fly from	Karachi

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 Islamabad to Chicago O'Hare International.

Fly in November

The cheapest time to fly to Illinois is currently November.

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 Rs214,952.

Which is the cheapest airline to fly to Illinois with?

Currently, PIA and Etihad 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 Islamabad Airport to Chicago O'Hare International Airport for Rs214,952 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 November. The cheapest month to fly to Greater Peoria is currently November. And the cheapest month to fly to Marion is currently November.

What is the cheapest day to fly to Illinois?

The cheapest day to fly to Chicago O'Hare International is currently Friday, 21 November 2025. The cheapest day to fly to Marion is currently Wednesday, 5 November 2025. The cheapest day to fly to Greater Peoria is currently Friday, 14 November 2025.

Where's cheapest to fly into in Illinois?

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