Cheap Flights from Chicago (CHI) to Dublin (DUB)

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Flight deals from Chicago to Dublin

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Find the cheapest month to fly from Chicago to Dublin

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

Direct flights from Chicago to Dublin

Chicago to Dublin: Alternative routes

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

Chicago to Dublin: Flight information

The things to know before you go.
Cheapest flight found$423
Cheapest month to flyNovember
Average flight time7 hrs, 26 mins
Most popular airlineAer Lingus
Average flights per week154

Finding cheap flights from Chicago to Dublin: Frequently asked questions

The best price we found for a round-trip flight from Chicago to Dublin is $423. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
7 hours and 26 minutes is the average flight time from Chicago to Dublin.
American Airlines, Aer Lingus and British Airways fly direct from Chicago to Dublin.
There are 78 flights per week flying from Chicago to Dublin, as of May 2024.
The cheapest month to fly from Chicago to Dublin is usually November.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Dublin Airport on Wednesday, November 6, 2024.
Yes – the average flight time is 7 hours and 26 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dublin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Dublin is around 40 days in advance, so don’t leave your flight to the last minute.

US Routes: Chicago To Dublin

When you book a non-stop flight from Chicago to Dublin, you will be flying out of Chicago O'Hare Airport (ORD) and arriving at Dublin Airport (DUB). You can opt for non-direct flights from O'Hare, which will often be a bit less expensive than direct flights, depending on the airlines involved and time of your travel. For flights out of Chicago's Midway Airport, your journey will entail two connecting flights along the way and the cost may be higher considering the long travel times and number of flights needed to connect. Airlines offering a seven-hour, ten-minute, non-stop flight from Chicago O'Hare to Dublin include Finnair, American Airlines, Lufthansa, Iberia, United, Aer Lingus, and British Airways. Aer Lingus makes daily non-stop departures to Dublin from Chicago O'Hare.

Chicago O'Hare Airport Terminals

If taking a non-stop Chicago to Dublin flight from O'Hare (ORD), you can access your airline at Terminals 1, 3, or 5, depending upon the airline you've booked with. For your international Chicago to Dublin flight, most airlines suggest you get to the airport three hours before your scheduled departure. This will provide enough time to check in, check any baggage, and wait in line to be screened at Transportation Security Administration (TSA) checkpoints, where wait times can sometimes take as long as two hours.

Tips For International Travel To Dublin

Upon arrival at Dublin Airport, you can take a taxi, available outside Terminals 1 and 2, to get you to your Dublin hotel. You can also rent a car at either of these terminals from any of the seven different rental agencies available. Be sure to request an automatic transmission car if you don't know how to work a manual shift. You'll need your driver's license and keep in mind that driving in Dublin is done on the left-hand side of the road as opposed to America's right-hand side. Also keep this in mind when crossing the street in Dublin: look to your right, rather than your left when crossing traffic.

Coming from Chicago to Dublin, you will need to bring an appropriate adapter if you want to use any of your electrical devices, as the plug sockets in Ireland are very different from those in the US. The weather in Dublin can be fickle, so come prepared for either sunny or rainy weather. When eating out in Dublin, a simple pub meal can average about 12 EUR, while a more upscale dinner in a restaurant can cost upwards of 18 EUR. A suggested daily budget for your international trip to Dublin, if you're not residing at an expensive hotel, is to come prepared to spend anywhere from 40-100 EUR per day or more.


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Prices shown on this page are estimated lowest prices only. Found in the last 45 days.