flight_takeoff ORD → DUB

Cheap Flights from Chicago to Dublin

Compare fares on the ultra-long-haul flight from Chicago to Dublin — a northeastbound route of about 3,663 miles, typically flown nonstop in around 7h 50m.

straighten

Distance

3,663 mi

5,895 km

schedule

Est. flight time

7h 50m

nonstop

flight

Nonstop service

Available

6 carriers

language

Time difference

6 hours ahead

Dublin

Flying from Chicago to Dublin

Flights from Chicago O'Hare International Airport (ORD) to Dublin Airport (DUB) cover roughly 3,663 miles (5,895 km) on a northeastbound heading, a nonstop flight of about 7h 50m. The route crosses 6 time zones — Dublin is 6 hours ahead of Chicago. It's a competitive route served by 6 airlines. As an international route, make sure your passport is valid and allow extra time for customs and immigration on arrival.

Lets Fly Travel compares live fares across hundreds of airlines to find the best deal on this route — and every booking is reviewed by a real travel agent before ticketing.

Airlines on this route

Carriers that have operated nonstop service between ORD and DUB include:

flightAer Lingus flightAmerican Airlines flightBritish Airways flightFinnair flightIberia Airlines flightUnited Airlines

Airline availability and fares change over time — search your dates for current options.

Best time to fly Chicago to Dublin

Fare patterns and travel conditions vary by season. Here's what to expect on the ORD–DUB route throughout the year.

Jan–Feb

Winter is often off-peak for Dublin — expect fewer crowds and lower fares on the ORD–DUB route. Book early for spring breaks.

Mar–May

Spring brings pleasant weather to many destinations. Fares on the Chicago–Dublin route can spike around school holidays — compare a few nearby dates.

Jun–Aug

Peak summer travel season. Chicago to Dublin fares are typically at their highest. Book at least 6–8 weeks ahead and consider mid-week departures.

Sep–Oct

Shoulder season is often the sweet spot: good weather, thinner crowds, and more competitive fares on the ORD–DUB route.

Nov–Dec

Thanksgiving and Christmas drive fare spikes. If you're flying Chicago to Dublin for the holidays, book as early as possible.

flight_land Arriving at

Dublin Airport

Dublin is served by Dublin Airport (IATA: DUB , ICAO: EIDW). The airport is located in Ireland. As an international arrival, allow additional time for customs and immigration.

IATA Code

DUB

Flight Time

~7h 50m

Distance

3,663 mi

tips_and_updates Arrival tips

  • ›Check in online to save time at the airport.
  • ›Arrive 3 hours before departure.
  • ›Carry a valid passport and check visa requirements.
  • ›Compare fares across several nearby dates for best value.

Chicago to Dublin — FAQs

How long is the flight from Chicago to Dublin? expand_more
A nonstop flight from Chicago (ORD) to Dublin (DUB) takes approximately 7h 50m, covering a distance of about 3663 miles (5895 km). Actual flight time varies with aircraft, routing and winds.
Which airlines fly from Chicago to Dublin? expand_more
Airlines that have operated nonstop service on the ORD–DUB route include Aer Lingus, American Airlines, British Airways, Finnair, Iberia Airlines, United Airlines. Use our search to compare current carriers, schedules and fares.
Is there a nonstop flight from Chicago to Dublin? expand_more
Yes. The ORD–DUB route has nonstop service. Nonstop availability can vary by season and day of week, so check live results for your dates.
How far is Dublin from Chicago? expand_more
The distance from Chicago (ORD) to Dublin (DUB) is about 3663 miles (5895 km) as the crow flies.
What is the time difference between Chicago and Dublin? expand_more
Dublin is 6 hours ahead of Chicago. Factor the time change into your arrival and connection planning.
When is the best time to book flights from Chicago to Dublin? expand_more
For international trips like Chicago to Dublin, booking roughly 2–6 months ahead and flying mid-week (Tuesday/Wednesday) tends to surface the lowest fares. Set up a search early and compare a few date options.
Do I need a passport to fly from Chicago to Dublin? expand_more
Yes. Flights from Chicago to Dublin are international, so you'll need a valid passport — and possibly a visa, depending on your nationality and Dublin's entry requirements. Check the destination's current entry rules before you travel.

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