Cheap Flights from Shannon Airport to Illinois from 452 € Return

Flight deals from Shannon Airport to Illinois

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

Chicago.452 € per passenger.Departing Mon, 9 Mar, returning Sat, 28 Mar.Return flight with Ryanair and Spirit Airlines.Outbound indirect flight with Ryanair, departs from Shannon on Mon, 9 Mar, arriving in Chicago Midway.Inbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Sat, 28 Mar, arriving in Shannon.Price includes taxes and charges.From 452 €, select.

Chicago.636 € per passenger.Departing Mon, 1 Jun, returning Mon, 10 Aug.Return flight with United.Outbound direct flight with United departs from Shannon on Mon, 1 Jun, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Mon, 10 Aug, arriving in Shannon.Price includes taxes and charges.From 636 €, select.

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Flying from Shannon Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	452 €
Cheapest month to fly	March
Average flight time	8 hrs, 20 mins
Average flights per week	14
Most popular airline	Air Canada

How to find cheap flights from Shannon Airport to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Shannon Airport to Illinois. Other savvy travellers recently found return flights from 452 € and one-way tickets from 247 €. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in March

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

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Shannon 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 flight 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 Shannon Airport to Illinois?

Yes - direct flights currently operate from Shannon Airport to Chicago O'Hare International Airport in Illinois.

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

We looked at all of the upcoming return flights from Shannon Airport to Illinois we could find over the next 12 months. It looks like 452 € is the best price. This is good, compared to the average Illinois ticket price of 544 €.

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

The cheapest month to fly from Shannon Airport to Chicago Midway Airport is currently March.
The cheapest month to fly from Shannon Airport to Chicago O'Hare International Airport is usually June.

Which upcoming date is cheapest to fly from Shannon Airport to Illinois on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Shannon Airport to Illinois on Monday, 9 March 2026.

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

If you're flying from Shannon, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago Midway.