$296 Find Cheap Flights from Chicago O'Hare Airport to Dublin - Compare and Save

These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Dublin:

• Earliest: departs at 3:45 pm and lands at 11:14 pm
• Latest: departs at 9:05 pm and lands at 4:34 am.

The flight takes about 7h 29m.

Four cabin classes are available on flights from Chicago O'Hare Intl Airport to Dublin:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from Chicago O'Hare Intl Airport to Dublin takes 7h 29m, covering 3,661 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Chicago O'Hare Intl Airport to Dublin range from $547 to $904, with an average of $711 over the past 12 months. Anything below $547 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 33% above the $711 route average. Book 14 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $427 round-trip via Toronto Pearson Intl (YYZ), compared to $750 for nonstop.

American Airlines is slightly above the route average for timely arrivals, while Aer Lingus has a lower on-time arrival rate. On-time arrival rates on Chicago O'Hare Intl Airport to Dublin flights are:

• American Airlines: 86% on time
• Aer Lingus: 78% on time
• United Airlines: 72% on time

Overall, flights on this route are punctual 77% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $55–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A330-300 family is used most often on this route, operated mainly by Aer Lingus and Iberia. Other aircraft seen on the route include Boeing 787-8 Dreamliner variants.

Evening is the busiest departure period on Chicago O'Hare Intl Airport to Dublin flights, with 66% of flights leaving in that window. Afternoon departures account for 33%, morning flights for 1%, and night flights for 0%.

Four airlines offer in-flight Wi-Fi on Chicago O'Hare Intl Airport to Dublin flights:

• Aer Lingus
• American Airlines
• Iberia
• Finnair

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from Chicago O'Hare Intl Airport to Dublin are currently lower than usual. Average one-way flight prices are about $326, which is 37% below the typical average for this route.

Dublin Airport (DUB) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

• Budget
• Sixt
• Easirent
• Europcar
• Thrifty

Flights from Chicago O'Hare Intl Airport to Dublin usually depart from Chicago O'Hare Intl (ORD) and arrive at Dublin (DUB).

Afternoon flights have the fewest delays on this route, while evening departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chicago O'Hare Intl Airport to Dublin route, 23% of flights were delayed in the past 3 months, with delays averaging 2h 39m.

One-stop flights from Chicago O'Hare Intl Airport to Dublin most commonly connect through:

• Toronto Pearson Intl (YYZ) - 49% of one-stop connections
• Reykjavik Keflavik Intl (KEF) - 35% of one-stop connections
• Kastrup Copenhagen (CPH) - 4% of one-stop connections
• London Heathrow (LHR) - 3% of one-stop connections

Yes. Flexible dates can save you up to 13% on flights from Chicago O'Hare Intl Airport to Dublin. Wednesday is the cheapest departure day at $668 round-trip on average, while Friday is the most expensive at $766, a difference of $98.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between Chicago O'Hare Intl Airport and Dublin. The airlines offering nonstop flights on this route include:

• Aer Lingus
• United Airlines

Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 10h 45m, compared with 10h 50m via Hartford Bradley Intl (BDL) and 11h via Minneapolis St Paul (MSP).

Dublin is 6 hours ahead of Chicago O'Hare Intl Airport (Irish Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Dublin are St. Stephen's Green, Aviva Stadium and St. Patrick's Cathedral. These are among the most viewed places in Dublin on KAYAK.

Among airlines operating Chicago O'Hare Intl Airport to Dublin flights:

• Aer Lingus: offers extra legroom; offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection
• Iberia: offers free seat selection
• SWISS: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Aer Lingus: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Family restrooms and diaper changing facilities are provided in both Terminals 1 and 2. You can also shop for baby products at Boots in Terminal or Pure Pharmacy in Terminal 2. The Stork Exchange, within airport grounds, has strollers, cradles, and car seats for rent. The airport also has a children’s play area in Terminal 1, Mezzanine for those passengers with some of the older kids.

The first option is the bus. Several companies have buses and coaches traveling from DUB to the surrounding areas and railway stations, and some even travel further out into the Republic of Ireland. Taxis are the second option; a safe and reliable way of traveling to areas around DUB. All taxis are metered, and a receipt will be issued. For those looking to self-drive, there are car rental agencies in Terminals 1 and 2. SIXT, Hertz, Alamo, Budget, Avis, National, and Enterprise all offer their services at DUB.

Passengers with reduced mobility are requested to inform their airline for assistance at the airport. Nonetheless, DUB has several facilities in place to assist special-needs passengers. First, they have reserved parking stops at the long-term and short-term parking garages. Specially adapted facilities, including toilets and lifts, are signposted. There are a series of induction loops to facilitate the amplification of announcements for the hearing impaired. Set down areas, changing facilities, a sensory room, and service dog relief areas are also provided at DUB.

Yes. You pet can join the trip through ORD. However, pets must remain within their carriers while at the airport. Pest can only leave when using relief areas or walking through security. The airport has also provided pet relief areas for its furry passengers. You’ll find relief areas at the multi-modal facility, the lower levels of Terminals 1, 2, and 5, and indoors at Terminal 3’s rotunda.