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CA $442 Cheap Flights from Chicago (ORD) to Dublin (DUB)

View CA $442 flight on Sun, Nov 8, 2026Opens in a new window

Popular airlines from Chicago O'Hare International Airport (ORD) to Dublin Airport (DUB)

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Cheap flights from Chicago (ORD) to Dublin (DUB)

Prices were available within the past 7 days and start at CA $442 for one-way flights and CA $866 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Sun, Dec 27 - Sat, Jan 9
ORD
Chicago
DUB
Dublin
CA $866 Roundtrip, found 4 days ago
CA $866
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Sun, Dec 27 from Chicago to Dublin, returning Sat, Jan 9, priced at CA $866 found 4 days ago
TAP Portugal
Wed, Sep 23 - Wed, Oct 7
ORD
Chicago
DUB
Dublin
CA $883 Roundtrip, found 4 days ago
CA $883
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Wed, Sep 23 from Chicago to Dublin, returning Wed, Oct 7, priced at CA $883 found 4 days ago
Icelandair
Thu, Oct 22 - Fri, Oct 30
ORD
Chicago
DUB
Dublin
CA $888 Roundtrip, found 5 days ago
CA $888
Roundtrip
found 5 days ago
Select Icelandair flight, departing Thu, Oct 22 from Chicago to Dublin, returning Fri, Oct 30, priced at CA $888 found 5 days ago
Icelandair
Tue, Oct 6 - Sun, Oct 18
ORD
Chicago
DUB
Dublin
CA $892 Roundtrip, found 2 days ago
CA $892
Roundtrip
found 2 days ago
Select Icelandair flight, departing Tue, Oct 6 from Chicago to Dublin, returning Sun, Oct 18, priced at CA $892 found 2 days ago
JetBlue Airways
Tue, Aug 11 - Wed, Aug 26
ORD
Chicago
DUB
Dublin
CA $939 Roundtrip, found 5 days ago
CA $939
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Tue, Aug 11 from Chicago to Dublin, returning Wed, Aug 26, priced at CA $939 found 5 days ago
American Airlines
Sun, Nov 8 - Tue, Nov 17
ORD
Chicago
DUB
Dublin
CA $972 Roundtrip, found 3 days ago
CA $972
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Nov 8 from Chicago to Dublin, returning Tue, Nov 17, priced at CA $972 found 3 days ago
Swiss International Air Lines
Sun, Nov 8 - Tue, Nov 17
ORD
Chicago
DUB
Dublin
CA $1,010 Roundtrip, found 3 days ago
CA $1,010
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Sun, Nov 8 from Chicago to Dublin, returning Tue, Nov 17, priced at CA $1,010 found 3 days ago
United
Sun, Dec 27 - Sat, Jan 9
ORD
Chicago
DUB
Dublin
CA $1,037 Roundtrip, found 4 days ago
CA $1,037
Roundtrip
found 4 days ago
Select United flight, departing Sun, Dec 27 from Chicago to Dublin, returning Sat, Jan 9, priced at CA $1,037 found 4 days ago
Lufthansa
Sun, Dec 27 - Sat, Jan 9
ORD
Chicago
DUB
Dublin
CA $1,054 Roundtrip, found 4 days ago
CA $1,054
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Sun, Dec 27 from Chicago to Dublin, returning Sat, Jan 9, priced at CA $1,054 found 4 days ago
KLM
Sun, Nov 8 - Tue, Nov 17
ORD
Chicago
DUB
Dublin
CA $1,057 Roundtrip, found 3 days ago
CA $1,057
Roundtrip
found 3 days ago
Select KLM flight, departing Sun, Nov 8 from Chicago to Dublin, returning Tue, Nov 17, priced at CA $1,057 found 3 days ago

Alternative airports near Dublin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dublin Airport DUB. Cheapest and Closest option available. Average driving time to city centre is 14 minutes. Flights from CA $1,082
DUB
Dublin Airport
CheapestClosest
Average driving time to city centre14 min
Flights from CA $1,082

Find the cheapest month to fly from Chicago (ORD) to Dublin (DUB)

May is typically the cheapest month to fly

From CA $573 - CA $1,279 per traveller.

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) cost?
You can find cheap one-way flights from CA $442 and cheap return flights from CA $866 ORD to DUB with Expedia. One-way flights typically cost between CA$644 and CA$5151. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when ORD to DUB ticket fares go up or down.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)?
February is typically the cheapest month to fly from Chicago O'Hare International Airport (ORD) to Dublin (DUB), with average return fares around CA$868. February often sees lower prices because it falls outside of peak holiday seasons, when travel demand tends to decrease. Other cheap months to fly from Chicago O'Hare International Airport to Dublin include January and November.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)?
There are 3 airlines offering direct flights from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB). Here are the carriers:
  • Aer Lingus operates 14 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) every week.
  • United operates 7 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) every week.
  • American Airlines operates 7 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) every week.
How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)?
The best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) will differ from traveler to traveler. If you like to fly early, Aer Lingus offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. American Airlines offers the most daily flights from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)?
The cheapest months to fly from Chicago O'Hare International Airport (ORD) to Dublin (DUB) are typically February and November, with average return flights around CA$868. However, the most popular months for this route are May and October, which means you'll find plenty of flight options during these times. While there isn't a single month that is both the cheapest and most popular, if you're looking for the best value, consider February or November for lower fares. If having a wide selection of flights is your priority, May and October offer more choices.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)?
You'll find approximately 4 nonstop flights per day from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB). For even more choices, look at flights that include layovers, as there are around 204 connecting flights per day. Some common connection points include John F. Kennedy Intl. (JFK), Logan Intl. (BOS), and Heathrow (LHR).
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from ORD to DUB. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)?
You'll generally find the most flights from Chicago O'Hare International Airport (ORD) to Dublin (DUB) on a Wednesday, with around 115 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include American Airlines, United, and Delta.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)?
The most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) are in the late evening, from 9pm to midnight. Many major carriers, including American Airlines, Aer Lingus and British Airways, offer flights during this window. Many travellers prefer this timing because you can maximize your day in Chicago before your evening flight, and you'll arrive in Dublin in the morning, ready to start your day.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)?
Flying nonstop from ORD to DUB takes around 7 hours 30 minutes, with the route covering approximately 5,897 kilometers. Flights with a layover typically take 5 hours 50 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)?
Yes, you can fly business class or first class between Chicago O'Hare International Airport (ORD) and Dublin (DUB).Airlines that offer business class service on this route include:
  • Aer Lingus
  • Swiss International Air Lines
  • TAP Portugal
  • Lufthansa
  • Air France
  • Iberia
  • KLM
  • SAS
  • Air Canada
  • British Airways
  • United
  • Delta
  • Turkish Airlines
  • Icelandair
  • Finnair
  • American Airlines

First class cabins are available on Swiss International Air Lines, Lufthansa, and United.
How do I earn miles on a Chicago, IL (ORD) to Dublin (DUB) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD) to Dublin (DUB) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD) to Dublin (DUB) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD) to Dublin (DUB) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD) to Dublin (DUB) flight and hotel package?
Securing a Chicago, IL (ORD) to Dublin (DUB) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Dublin
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Roundtrip price
CA $866
Distance
5862 km
Average flight time
13 hours 28 mins

Book with confidence

Chicago to Dublin Flights

The easy way to book your flights from Chicago to Dublin 

With Expedia, it’s simple to find and book flights to Dublin from Chicago whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Dublin, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Chicago to Dublin today, tomorrow, or this week.  

 

Save dollars with cheap flights from O'Hare Intl., ORD to Dublin, DUB 

Sort your search results by price to find great deals on your flight from Chicago to Dublin—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Dublin from Chicago currently is just CA $866 rising to CA $1,057.  

Here are more money-saving tips: 

  • Fly in December when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Dublin  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Dublin from Chicago 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Dublin with Expedia today.

Chicago to Dublin Flights

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