ORD - DUB

$171 Find Cheap Flights from Chicago O'Hare Airport to Dublin - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from O'Hare Intl to Dublin departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$366
Typical prices: $595-$885
Aer Lingus
Mon 8/17Thu 8/20
ORD - DUB • 1 stop
Cheapest non-stop
$686
Typical prices: $469-$677
Aer Lingus
Wed 1/13Wed 1/20
ORD - DUB • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
American Main Cabin Extra adds early boarding and complimentary drinks on this route.
Aer Lingus and United focus on premium cabins; economy fare details aren't provided.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
You can fly direct with Aer Lingus, American Airlines and United Airlines. Average duration is 7h 28m
Direct flights
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Direct flights
Direct flights
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Avoid delays
Most punctual • 81% on-time
Best time • Fewest delays
Insights
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Top layover airports
Cheapest • Avg $440 (round-trip)
Shortest trip • 9h 45m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 36% compared to booking last minute.
Insights
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Insights
When to travel
Cheapest • 25% price drop
Most popular
Good to know
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Flight Deals

Cheap Flights from O'Hare Intl to Dublin (ORD-DUB)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from O'Hare Intl to Dublin that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from O'Hare Intl to Dublin

Mon, Aug 17 - Thu, Aug 20
Aer Lingus Logo
9:45 am - 5:10 am
ORD
-
DUB
13h 25m
1 stop
Aer Lingus Logo
1:20 pm - 8:20 pm
DUB
-
ORD
13h 00m
1 stop
$366Aer Lingus
Sun, Aug 23 - Fri, Aug 28
Aer Lingus Logo
8:32 pm - 5:10 am
ORD
-
DUB
26h 38m
1 stop
Aer Lingus Logo
1:20 pm - 7:52 pm
DUB
-
ORD
12h 32m
1 stop
$366Aer Lingus
Fri, Sep 11 - Sat, Sep 19
Multiple Airlines Logo
9:55 am - 5:10 am
ORD
-
DUB
13h 15m
1 stop
Multiple Airlines Logo
1:20 pm - 7:48 pm
DUB
-
ORD
12h 28m
1 stop
$482Multiple Airlines
Tue, Oct 6 - Fri, Oct 16
Multiple Airlines Logo
9:46 am - 5:10 am
ORD
-
DUB
13h 24m
1 stop
Multiple Airlines Logo
1:20 pm - 1:01 pm
DUB
-
ORD
29h 41m
2 stops
$562Multiple Airlines
Thu, Oct 22 - Tue, Oct 27
TAP AIR PORTUGAL Logo
6:00 pm - 6:05 pm
ORD
-
DUB
18h 05m
1 stop
TAP AIR PORTUGAL Logo
4:55 pm - 4:30 pm
DUB
-
ORD
28h 35m
1 stop
$595TAP AIR PORTUGAL
Fri, Jan 8 - Thu, Jan 14
TAP AIR PORTUGAL Logo
8:10 pm - 4:10 pm
ORD
-
DUB
14h 00m
1 stop
TAP AIR PORTUGAL Logo
4:25 am - 3:30 pm
DUB
-
ORD
17h 05m
1 stop
$595TAP AIR PORTUGAL
Sun, Oct 18 - Sun, Oct 25
Icelandair Logo
7:25 pm - 1:15 pm
ORD
-
DUB
11h 50m
1 stop
Icelandair Logo
11:30 am - 6:20 pm
DUB
-
ORD
11h 50m
1 stop
$598Icelandair
Fri, Oct 9 - Tue, Oct 13
Icelandair Logo
7:25 pm - 1:15 pm
ORD
-
DUB
11h 50m
1 stop
Icelandair Logo
2:15 pm - 6:15 pm
DUB
-
ORD
10h 00m
1 stop
$602Icelandair
Thu, Sep 10 - Thu, Sep 17
Air Canada Logo
9:55 am - 7:45 am
ORD
-
DUB
39h 50m
2 stops
Air Canada Logo
9:50 am - 7:48 pm
DUB
-
ORD
15h 58m
1 stop
$657Air Canada
Fri, Sep 11 - Thu, Sep 17
Air Canada Logo
7:25 am - 7:45 am
ORD
-
DUB
18h 20m
2 stops
Air Canada Logo
9:50 am - 7:48 pm
DUB
-
ORD
15h 58m
1 stop
$665Air Canada
Booking Insights

KAYAK's insights & trends for O'Hare Intl to Dublin flights

Get data-powered insights and trends into flights from O'Hare Intl to Dublin to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Chicago O'Hare Intl Airport to Dublin?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Chicago O'Hare Intl Airport to Dublin departing in August.

Flight prices are below average for this route right now.

Flights to Dublin from Chicago O'Hare Intl Airport usually cost between $595 and $885 in August.
The lowest price found in the past 5 days was $366 on Aer Lingus (Aug 24-Aug 28).

What’s the cheapest day of the week to fly from Chicago O'Hare Airport to Dublin?

The average price of all round-trip flights from Chicago O'Hare Intl Airport to Dublin clicked on KAYAK for each day over the last 12 months.

For Chicago O'Hare Airport to Dublin, Wednesday is the cheapest day to fly on average and Saturday is the most expensive. Flying from Dublin back to Chicago O'Hare Airport, the best deals are generally found on Sunday, with Monday being the most expensive.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Dublin?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago O'Hare Intl Airport to Dublin, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Chicago O'Hare Intl Airport to Dublin is February, where tickets cost $518 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $957 and $822 respectively.

Can I save money by flying with a layover from Chicago O'Hare Intl Airport to Dublin?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $661 on average.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Dublin?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Chicago O'Hare Intl Airport to Dublin, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Chicago O'Hare Intl Airport to Dublin, you should book around 5 weeks before departure, which saves you about 36% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Expert advice

Expert advice for your flight from O'Hare Intl to Dublin

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Aer Lingus

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Stefanie Waldek

Stefanie Waldek

Expert on United Airlines and ORD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Ramsey Qubein

Ramsey Qubein

Expert on DUB

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Good to know

Low season

January

Cheapest flight

$171
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly with an average 11% increase in price.
Flight from Chicago O'Hare Airport to Dublin

When to book flights from O'Hare Intl to Dublin

Are your dates flexible? Find out the best times to travel from O'Hare Intl to Dublin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago O'Hare Airport to Dublin flights

  • Which family services are available at Dublin Airport?

    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.

  • What are the transport options from Dublin Airport?

    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.

  • What are accessible services available at Dublin Airport?

    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.

  • Are pets allowed to travel through Chicago O’Hare International Airport?

    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.

  • What is the cheapest flight from Chicago O'Hare Intl Airport to Dublin?

    In the last 5 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Dublin was $171 for a one-way ticket and $366 for a round-trip.

  • Do I need a passport to fly between Chicago O'Hare Airport and Dublin?

    A passport is required to fly from Chicago O'Hare Airport to Dublin.

  • Which airlines offer Wi-Fi service onboard planes from Chicago O'Hare Airport to Dublin?

    American Airlines, Finnair, Aer Lingus, Iberia, and British Airways offer inflight Wi-Fi service on the Chicago O'Hare Airport to Dublin flight route.

  • Which aircraft models fly most regularly from Chicago O'Hare Airport to Dublin?

    The Boeing 787-8 Dreamliner is the aircraft model that flies most regularly on the Chicago O'Hare Airport to Dublin flight route.

  • Which airline alliances offer flights from Chicago O'Hare Airport to Dublin?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Chicago O'Hare Airport and Dublin, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Chicago O'Hare Airport to Dublin?

    There are nonstop flights from Chicago O'Hare Airport to Dublin on a daily basis.

  • Which is the best airline for flights from Chicago to Dublin, Finnair or United Airlines?

    The two airlines most popular with KAYAK users for flights from Chicago to Dublin are Finnair and United Airlines. With an average price for the route of $905 and an overall rating of 7.6, Finnair is the most popular choice. United Airlines is also a great choice for the route, with an average price of $786 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Chicago O'Hare Airport to Dublin?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago O'Hare Airport to Dublin.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago O'Hare Airport to Dublin?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin from Chicago O'Hare Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago O'Hare Airport to Dublin?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Dublin with an airline and back to Chicago O'Hare Airport with another airline. Booking your flights between Chicago O'Hare Airport and DUB can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago O'Hare Airport to Dublin?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dublin from Chicago O'Hare Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Chicago O'Hare Intl Airport to Dublin

  • Looking for a cheap flight? 25% of our users found flights on this route for $441 or less one-way and $739 or less round-trip.
  • Chicago O’Hare International Airport (ORD) is large, consisting of four terminals and nine concourses. Three terminals are in one building, and Terminal 5 is across a taxiway. The airport has provided an automated train connecting all terminals and loops the airport complex.
  • Around 1,559 kg of carbon is emitted per passenger on flights from Chicago to Dublin. However, you can fly more sustainably with Flair Airlines and Air Canada. These airlines emit 48% and 35% less carbon per passenger on flights from Chicago to Dublin, respectively.
  • After your flight from Chicago, you’re welcome to unwind at the airport lounges at Dublin Airport (DUB). In Terminal 1, you’ll find the T1 and East Lounge. Terminal 2 has T2 Lounge, 51st & Green Lounge, Aer Lingus Revival Lounge, and Etihad Airways Lounge. You can pay at the door to access these lounges.
  • Check out the Hilton Athletic Club at ORD if you have some time before your flight. It is located between Terminal 2 and the parking garage, and non-guests can pay a small fee to use the facilities, including a Jacuzzi, steam room, sauna, lap pool, and full-service lockers.
  • Seaway National Bank runs a full-service bank at ORD if you require cash. They also offer currency exchange services, photocopying, and faxing, and they’re located in Terminal 2’s Main Hall and Terminal 5’s lowest level.

Prefer to fly direct from Chicago O'Hare Airport to Dublin?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Chicago O'Hare Intl to Dublin.
Find which airlines fly direct from Chicago O'Hare Intl Airport to Dublin Airport, which days they fly and book direct flights.

Direct departures

Chicago O'Hare Intl to Dublin

Monday

Aer Lingus,American Airlines,United Airlines

Aer Lingus,American Airlines, +1 more

Tuesday

Aer Lingus,American Airlines,United Airlines

Aer Lingus,American Airlines, +1 more

Wednesday

Aer Lingus,American Airlines,United Airlines

Aer Lingus,American Airlines, +1 more

Thursday

Aer Lingus,American Airlines,United Airlines

Aer Lingus,American Airlines, +1 more

Friday

Aer Lingus,American Airlines,United Airlines

Aer Lingus,American Airlines, +1 more

Saturday

Aer Lingus,American Airlines,United Airlines

Aer Lingus,American Airlines, +1 more

Sunday

Aer Lingus,American Airlines,United Airlines

Aer Lingus,American Airlines, +1 more

See more direct flights

Direct returns

Dublin to Chicago O'Hare Intl

Monday

Aer Lingus,American Airlines,United Airlines

Aer Lingus,American Airlines, +1 more

Tuesday

Aer Lingus,American Airlines,United Airlines

Aer Lingus,American Airlines, +1 more

Wednesday

Aer Lingus,American Airlines,United Airlines

Aer Lingus,American Airlines, +1 more

Thursday

Aer Lingus,American Airlines,United Airlines

Aer Lingus,American Airlines, +1 more

Friday

Aer Lingus,American Airlines,United Airlines

Aer Lingus,American Airlines, +1 more

Saturday

Aer Lingus,American Airlines,United Airlines

Aer Lingus,American Airlines, +1 more

Sunday

Aer Lingus,American Airlines,United Airlines

Aer Lingus,American Airlines, +1 more

See more direct flights

Everything you need to know for your flight from O'Hare Intl to Dublin

Information on your arrival and departure airports