£335 Find Cheap Flights from Dublin to Chicago O'Hare Airport – Compare and Save

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

• Earliest: departs at 10:40 and lands at 19:17
• Latest: departs at 16:40 and lands at 01:17.

The flight takes about 8h 37m.

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

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

Prices vary by airline.

A direct flight from Dublin to Chicago O'Hare Intl Airport takes 8h 37m, 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.

Return flights from Dublin to Chicago O'Hare Intl Airport range from £460 to £638, with an average of £540 over the past 12 months. Anything below £460 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 10% above the £540 route average. Book 20 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £405 return via Kastrup Copenhagen (CPH), compared with £551 for direct.

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

• Aer Lingus: 93% on time
• American Airlines: 87% on time
• United Airlines: 86% on time

On average, flights on this route are punctual 90% of the time.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £20–£75 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 767-300 variants.

Morning is the busiest departure period on Dublin to Chicago O'Hare Intl Airport flights, with 67% leaving in that window. Afternoon departures account for 33%, Evening flights for 0%, and Night flights for 0%.

American Airlines is the only airline on the Dublin to Chicago O'Hare Intl Airport route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Dublin to Chicago O'Hare Intl Airport are currently higher than usual. Average one-way flight prices are about £852, which is 87% above the typical average for this route.

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

Afternoon flights have the fewest delays on this route, while morning 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 Dublin to Chicago O'Hare Intl Airport route, 10% of flights were delayed in the past three months, with delays averaging 3h 12m.

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

• Reykjavik Keflavik Intl (KEF) – 60% of one-stop connections
• London Heathrow (LHR) – 17% of one-stop connections
• Boston Logan Intl (BOS) – 6% of one-stop connections
• Kastrup Copenhagen (CPH) – 5% of one-stop connections

Yes. Flexible dates can save you up to 8% on flights from Dublin to Chicago O'Hare Intl Airport. Thursday is the cheapest departure day at £522 return on average, while Saturday is the most expensive at £563, a difference of £41.

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

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

• Aer Lingus
• United Airlines

Flying via Washington, D.C. Dulles Intl (IAD) gives the shortest average 1-stop total travel time of 10h 43m, compared to 10h 59m via Reykjavik Keflavik Intl (KEF) and 11h 04m via Philadelphia (PHL).

Chicago O'Hare Intl Airport is 5 hours behind Dublin (Central Time vs Irish Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Chicago O'Hare Intl Airport are Grant Park, Magnificent Mile, and United Center. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

Among airlines operating Dublin to Chicago O'Hare Intl Airport 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

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
• Lufthansa: a cabin bag and a checked bag in Economy class

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

If you are flying with Aer Lingus, then you can book a nonstop trip from Dublin to Chicago O’Hare International Airport. If you are flying with KLM, you can expect one layover in Amsterdam (AMS), and if you are flying with British Airways, you can expect a layover in London’s Heathrow (LHR).

As you arrive at the airport, once you have collected your baggage but before you are processed by customs, you will see a charging station near gate m13. Make sure you have an adaptor, there should be plenty on sale at either the duty-free in Dublin or the one in O’Hare when you arrive.

Most international arrivals terminals have one or two restaurants as you arrive, however Chicago O'Hare Interanational Airport (ORD) offers a choice of several restaurants; from Chinese fusion to classic fast-food, you will have a variety of choices to get your first meal from when you arrive in O'Hare's terminal five.