Cheap Flights from Adelaide Airport to Illinois from AED 3,747 Roundtrip

Flight deals from Adelaide Airport to Illinois

Looking for cheap flights from Adelaide Airport to Illinois, or a last-minute trip? Find the cheapest prices on one-way and round-trip flights right here.

Chicago.AED 3,747 per passenger.Departing Mon, Feb 23, returning Mon, Mar 2.Round-trip flight with United.Outbound indirect flight with United, departing from Adelaide on Mon, Feb 23, arriving in Chicago O'Hare International.Inbound indirect flight with United, departing from Chicago O'Hare International on Mon, Mar 2, arriving in Adelaide.Price includes taxes and charges.From AED 3,747, select.

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Flying from Adelaide Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	AED 3,747
Cheapest month to fly	February

How to find cheap flights from Adelaide Airport to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Adelaide Airport to Illinois. Other savvy travelers recently found round-trip flights from AED 3,747 and one-way tickets from AED 2,957. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in February

The cheapest time to fly from Adelaide Airport 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 fly from Adelaide Airport to anywhere you choose in Illinois.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from Adelaide Airport to your chosen airport in Illinois go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

With us, there are no added fees – the Illinois Airport to Illinois flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Adelaide Airport to Illinois?

There are currently no direct flights from Adelaide Airport to Illinois, but we've found some other routes to United States – check them out now.

What is the average price of a flight from Adelaide Airport to Illinois?

We looked at all of the upcoming round-trip flights from Adelaide Airport to Illinois we could find over the next 12 months. It looks like AED 3,747 is the best price. This is good, compared to the average Illinois ticket price of AED 3,747.

What is the cheapest month to fly from Adelaide Airport to Illinois?

The cheapest month to fly from Adelaide Airport to Illinois is currently February.

On which upcoming date is it cheapest to fly from Adelaide Airport to Illinois?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Adelaide Airport to Illinois on Monday, February 23, 2026.

If I'm flying from Adelaide Airport, where in Illinois is cheapest to fly to?

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