194 € Cheap Flights from Ireland to Chicago

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Travellers and cabin class, 1 Adult, Economy

Compare Ireland to Chicago flight deals

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

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Flight deals from Ireland to Chicago

Looking for a cheap last-minute deal or the best return flight from Ireland to Chicago? Find the lowest prices on one-way and return tickets right here.

Chicago.194 € per passenger.Departing Thu, 26 Nov, returning Wed, 16 Dec.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Dublin on Thu, 26 Nov, arriving in Chicago O'Hare International.Inbound indirect flight with Aer Lingus, departs from Chicago O'Hare International on Wed, 16 Dec, arriving in Dublin.Price includes taxes and charges.From 194 €, select.

Chicago.211 € per passenger.Departing Wed, 16 Dec, returning Fri, 8 Jan.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Dublin on Wed, 16 Dec, arriving in Chicago O'Hare International.Inbound indirect flight with Aer Lingus, departs from Chicago O'Hare International on Fri, 8 Jan, arriving in Dublin.Price includes taxes and charges.From 211 €, select.

Chicago.215 € per passenger.Departing Mon, 15 Mar, returning Sat, 24 Apr.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Mon, 15 Mar, arriving in Chicago O'Hare International.Inbound direct flight with Aer Lingus departs from Chicago O'Hare International on Sat, 24 Apr, arriving in Dublin.Price includes taxes and charges.From 215 €, select.

Chicago.228 € per passenger.Departing Mon, 11 Jan, returning Thu, 11 Mar.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Mon, 11 Jan, arriving in Chicago O'Hare International.Inbound direct flight with Aer Lingus departs from Chicago O'Hare International on Thu, 11 Mar, arriving in Dublin.Price includes taxes and charges.From 228 €, select.

Chicago.228 € per passenger.Departing Fri, 5 Feb, returning Wed, 10 Mar.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Fri, 5 Feb, arriving in Chicago O'Hare International.Inbound direct flight with Aer Lingus departs from Chicago O'Hare International on Wed, 10 Mar, arriving in Dublin.Price includes taxes and charges.From 228 €, select.

Chicago.241 € per passenger.Departing Thu, 12 Nov, returning Wed, 24 Mar.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Thu, 12 Nov, arriving in Chicago O'Hare International.Inbound direct flight with Aer Lingus departs from Chicago O'Hare International on Wed, 24 Mar, arriving in Dublin.Price includes taxes and charges.From 241 €, select.

Chicago.248 € per passenger.Departing Sat, 7 Nov, returning Mon, 21 Dec.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Sat, 7 Nov, arriving in Chicago O'Hare International.Inbound direct flight with Aer Lingus departs from Chicago O'Hare International on Mon, 21 Dec, arriving in Dublin.Price includes taxes and charges.From 248 €, select.

Chicago.249 € per passenger.Departing Sun, 27 Dec, returning Thu, 7 Jan.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Sun, 27 Dec, arriving in Chicago O'Hare International.Inbound direct flight with Aer Lingus departs from Chicago O'Hare International on Thu, 7 Jan, arriving in Dublin.Price includes taxes and charges.From 249 €, select.

Chicago.253 € per passenger.Departing Thu, 1 Apr, returning Sat, 1 May.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Thu, 1 Apr, arriving in Chicago O'Hare International.Inbound direct flight with Aer Lingus departs from Chicago O'Hare International on Sat, 1 May, arriving in Dublin.Price includes taxes and charges.From 253 €, select.

Chicago.258 € per passenger.Departing Sat, 26 Dec, returning Tue, 2 Feb.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Sat, 26 Dec, arriving in Chicago O'Hare International.Inbound direct flight with Aer Lingus departs from Chicago O'Hare International on Tue, 2 Feb, arriving in Dublin.Price includes taxes and charges.From 258 €, select.

Chicago.277 € per passenger.Departing Sun, 13 Jun, returning Tue, 15 Jun.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Dublin on Sun, 13 Jun, arriving in Chicago O'Hare International.Inbound indirect flight with Aer Lingus, departs from Chicago O'Hare International on Tue, 15 Jun, arriving in Dublin.Price includes taxes and charges.From 277 €, select.

Chicago.290 € per passenger.Departing Sat, 21 Nov, returning Fri, 30 Apr.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Sat, 21 Nov, arriving in Chicago O'Hare International.Inbound direct flight with Aer Lingus departs from Chicago O'Hare International on Fri, 30 Apr, arriving in Dublin.Price includes taxes and charges.From 290 €, select.

Chicago.298 € per passenger.Departing Fri, 16 Apr, returning Fri, 16 Apr.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Fri, 16 Apr, arriving in Chicago O'Hare International.Inbound direct flight with Aer Lingus departs from Chicago O'Hare International on Fri, 16 Apr, arriving in Dublin.Price includes taxes and charges.From 298 €, select.

Chicago.302 € per passenger.Departing Thu, 6 May, returning Thu, 20 May.Return flight with Aer Lingus.Outbound direct flight with Aer Lingus departs from Dublin on Thu, 6 May, arriving in Chicago O'Hare International.Inbound direct flight with Aer Lingus departs from Chicago O'Hare International on Thu, 20 May, arriving in Dublin.Price includes taxes and charges.From 302 €, select.

Chicago.306 € per passenger.Departing Sat, 6 Mar, returning Sat, 13 Mar.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Dublin on Sat, 6 Mar, arriving in Chicago O'Hare International.Inbound indirect flight with Aer Lingus, departs from Chicago O'Hare International on Sat, 13 Mar, arriving in Dublin.Price includes taxes and charges.From 306 €, select.

Chicago.347 € per passenger.Departing Sat, 12 Dec, returning Sat, 26 Dec.Return flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from Dublin on Sat, 12 Dec, arriving in Chicago O'Hare International.Inbound indirect flight with Aer Lingus, departs from Chicago O'Hare International on Sat, 26 Dec, arriving in Dublin.Price includes taxes and charges.From 347 €, select.

Find the cheapest month to fly from Ireland to Chicago

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ireland to Chicago flights are currently cheapest in June.

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Direct flights from Ireland to Chicago

Ireland to Chicago O'Hare International: Alternative routes

Compare routes from Ireland to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier than Chicago O'Hare International.

Europe to Chicago: Flight information

The things to know before you go.

Cheapest flight found	194 €
Cheapest month to fly	November
Average flight time	8 hrs, 25 mins
Most popular airline	Aer Lingus
Average flights per week	136

Finding cheap flights from Ireland to Chicago: Frequently asked questions

When is the best time to book flights to Chicago?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.

How to find cheap flights to Chicago (CHIA) from Europe (IE)in 2026

Looking for cheap tickets from Ireland to Chicago? Return tickets start from 194 € and one-way flights to Chicago from Ireland start from 308 €

Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Ireland to Chicago. And with us there are no hidden fees - what you see is what you pay.
Compare flight deals to Chicago from Europe from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Chicago start from 308 € one-way.
Set up a Price Alert. You can easily track the fare of your cheap Ireland-Chicago flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Flex your dates to find the best IE-CHIA ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Chicago from Ireland.
Fly without stops. Only interested in direct flights between Ireland and Chicago? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results. Airlines that fly direct include: Aer Lingus
Iberia
British Airways
American Airlines
Lufthansa
Air Canada
United
Brussels Airlines
Find the cheapest Business class flights from Ireland and Chicago. We scour the internet for the best Business, Premium Economy and First Class flight fares to Chicago, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for Ireland to Chicago flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
Flexible on when you travel? The cheapest month to fly from Ireland to Chicago is November.
Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Ireland and Chicago whenever you want.

Combine your flight to Chicago from Ireland with hotels and car hire

Once you've secured your cheap flight ticket from Ireland to Chicago, discover the best prices and exclusive rates for hotels in Chicago or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.

Plan the rest of your trip from Europe to Chicago

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.