Cheap Flights from Buenos Aires to Illinois from HK$5,367 Return

Flight deals from Buenos Aires to Illinois

Looking for cheap tickets from Buenos Aires to Illinois, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Chicago.HK$5,367 per passenger.Departing Tue, 24 Mar, returning Mon, 13 Apr.Return flight with Avianca and Allegiant Air.Outbound indirect flight with Avianca, departs from Buenos Aires Ministro Pistarini on Tue, 24 Mar, arriving in Chicago O'Hare International.Inbound indirect flight with Allegiant Air, departs from Chicago Rockford on Mon, 13 Apr, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From HK$5,367, select.

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Flying from Buenos Aires to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	HK$5,367
Cheapest month to fly	March
Cheapest airport to fly from	Buenos Aires Ministro Pistarini

How to find cheap flights from Buenos Aires to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Buenos Aires to Illinois. Other savvy travellers recently found return flights from HK$5,367 and one-way tickets from HK$2,875 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Buenos Aires Ministro Pistarini into Chicago O'Hare International

At the moment, the lowest priced flight tickets to Illinois are from Buenos Aires Ministro Pistarini Airport to Chicago O'Hare International Airport.

Fly in March

We crunched the flight calendar and found the cheapest time to fly from Buenos Aires to Illinois is currently March.

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 Buenos Aires to anywhere you choose in Illinois.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Buenos Aires to Illinois go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

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

Frequently asked questions

What's the average Buenos Aires to Illinois flight price?

We looked at all of the upcoming return flights from Buenos Aires to Illinois we could find over the next 12 months. It looks like HK$5,367 is the best price. This is good, compared to the average Illinois ticket price of HK$5,367.

What is the cheapest month to fly from Buenos Aires to Illinois?

The cheapest month to fly from Buenos Aires to Illinois is currently March.

Which upcoming date is cheapest to fly from Buenos Aires to Illinois on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Buenos Aires to Illinois on Tuesday, 24 March 2026.

Are there any direct flights from Buenos Aires to Illinois?

Currently, there aren't any direct flights from Buenos Aires to Illinois, but you can still fly with a stopover.

If I'm flying from Buenos Aires, where in Illinois is cheapest to fly into?

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