$463 Cheap Aer Lingus flights from Chicago to Dublin (ORD to DUB)

It’s always prudent to find out about any travel advice reports and quarantine requirements in effect in your destination city. Ensure you visit our Covid-19 Travel Advisor for up-to-date information on catching a flight to DUB.

At ORD, Aer Lingus flights to DUB generally board from terminal 5. Like to know exactly which terminal you’ll be hopping off the plane at? It’ll likely be terminal 2.

In short, yes. Lock in a direct flight with Aer Lingus from O’Hare Airport to DUB, and you won’t have to stress about lengthy stopovers or missing your connecting flight.

Bring that novel you’ve been longing to read. A flight from O’Hare Airport to Dublin Airport with Aer Lingus takes an average of 8 hours and 9 minutes. You’ll have enough time to completely lose yourself in the riveting plot.

Buckle up, sit back and get comfortable on the Airbus A330-300. This airplane is often used on the ORD to DUB route when flying with Aer Lingus.

If you need to lock in a jaunt from ORD to DUB, you can choose from about 2 Aer Lingus flights each day.

For more info about changing your flight to Dublin Airport, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.