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Cheap Flights from Chicago to Dublin
CHI → DUB • About 7h 20m nonstop • 3 airlines
Adults
+12 years old
Children
2-11 years old
Infants
Under 2 years
Fares shown are the lowest we have recorded recently on this route and are not a live quote. Run a search above for today's availability, or call (800) 399-8818 and an agent will price it with you.
Flights from Chicago (CHI) to Dublin (DUB)
The Chicago to Dublin route covers roughly 3,660 miles and takes about 7h 20m nonstop. 3 airlines compete on it — Aer Lingus, United Airlines, American Airlines — which keeps fares moving and makes it worth comparing carriers rather than defaulting to the one you usually fly. We have seen one-way fares on this route start around $298.
Dublin is compact, walkable and unusually easy to reach from the United States, with more transatlantic service than a city its size would normally support.
Trinity College and the Book of Kells, the Guinness Storehouse and a pub culture that is genuinely about conversation rather than spectacle define the city. The Wicklow Mountains and the coastal villages start 30 minutes out.
Airlines flying CHI to DUB
- Aer Lingus
- United Airlines
- American Airlines
Airports on this route
- Departing: Chicago O'Hare International Airport (ORD)
- Departing: Chicago Midway International Airport (MDW)
- Arriving: Dublin Airport (DUB)
Chicago is served by 2 airports. Fares between them can differ by $50 to $150 on the same dates, so ask us to price all of them before you book.
Best time to fly to Dublin
May through September for the longest days and driest weather, though rain is possible in any month.
Top things to do in Dublin
- Trinity College and the Book of Kells
- Guinness Storehouse
- Temple Bar
- Dublin Castle
- St. Patrick’s Cathedral
- Phoenix Park
- Howth cliff walk
How to save on Chicago to Dublin flights
- Shift your departure by one or two days — midweek departures on this route are consistently cheaper than Friday and Sunday.
- Book four to eight weeks ahead. Last-minute fares on CHI to DUB routinely run double the advance price.
- Compare all 3 carriers rather than checking one airline's own site.
- Dublin has US preclearance — you clear US immigration before departure and arrive home as a domestic passenger.
- Fares to Dublin are often the cheapest transatlantic option, and onward European connections can beat a direct routing.
- The Book of Kells and Guinness Storehouse both benefit from timed tickets booked ahead.
About flights from Chicago to Dublin
Fares on the CHI to DUB route move with demand, so flexibility is worth more than timing tricks. Shifting your departure by a day or two, flying midweek instead of Friday or Sunday, and booking four to eight weeks ahead all reduce the fare on this route. Chicago is served by 2 airports, so ask us to price all of them — the difference is often significant. Our agents also hold consolidator and unpublished fares that do not appear in online results.
Aer Lingus, United Airlines, American Airlines all operate on this route. Aer Lingus typically offers the most frequencies, with United Airlines and American Airlines providing competing schedules. Availability varies by season and by which Chicago airport you depart from, so it is worth comparing all carriers before booking.
A nonstop flight takes about 7h 20m. Itineraries with a connection typically add two to four hours depending on the layover city and the length of the stop.
The two cities are roughly 3,660 miles apart by air.
Departures leave from Chicago O'Hare International Airport (ORD), Chicago Midway International Airport (MDW). Arrivals land at Dublin Airport (DUB).
May through September for the longest days and driest weather, though rain is possible in any month.