$386 Cheap Flights from Dublin (DUB) to Chicago (ORD)

View $386 flight on Sat, Nov 22, 2025Opens in a new window

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

Cheap Flights from Dublin to Chicago (DUB-ORD)

Prices were available within the past 7 days and start at $386 for one-way flights and $411 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Tue, Jan 20 - Wed, Feb 4
DUB
Dublin
ORD
Chicago
$411 Roundtrip, found 7 hours ago
$411
Roundtrip
found 7 hours ago
Select TAP Portugal flight, departing Tue, Jan 20 from Dublin to Chicago, returning Wed, Feb 4, priced at $411 found 7 hours ago
TAP Portugal
Fri, Apr 17 - Sat, Apr 25
DUB
Dublin
ORD
Chicago
$415 Roundtrip, found 4 hours ago
$415
Roundtrip
found 4 hours ago
Select TAP Portugal flight, departing Fri, Apr 17 from Dublin to Chicago, returning Sat, Apr 25, priced at $415 found 4 hours ago
TAP Portugal
Fri, Nov 21 - Fri, Dec 5
DUB
Dublin
ORD
Chicago
$441 Roundtrip, found 2 days ago
$441
Roundtrip
found 2 days ago
Select TAP Portugal flight, departing Fri, Nov 21 from Dublin to Chicago, returning Fri, Dec 5, priced at $441 found 2 days ago
American Airlines
Tue, Nov 25 - Sun, Nov 30
DUB
Dublin
ORD
Chicago
$449 Roundtrip, found 4 days ago
$449
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Nov 25 from Dublin to Chicago, returning Sun, Nov 30, priced at $449 found 4 days ago
Icelandair
Wed, Dec 3 - Sun, Dec 7
DUB
Dublin
ORD
Chicago
$450 Roundtrip, found 1 hour ago
$450
Roundtrip
found 1 hour ago
Select Icelandair flight, departing Wed, Dec 3 from Dublin to Chicago, returning Sun, Dec 7, priced at $450 found 1 hour ago
Lufthansa
Wed, Feb 18 - Tue, Feb 24
DUB
Dublin
ORD
Chicago
$451 Roundtrip, found 4 days ago
$451
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Feb 18 from Dublin to Chicago, returning Tue, Feb 24, priced at $451 found 4 days ago
Scandinavian Airlines
Wed, Dec 3 - Sun, Dec 7
DUB
Dublin
ORD
Chicago
$452 Roundtrip, found 1 hour ago
$452
Roundtrip
found 1 hour ago
Select Scandinavian Airlines flight, departing Wed, Dec 3 from Dublin to Chicago, returning Sun, Dec 7, priced at $452 found 1 hour ago
British Airways
Thu, Jan 15 - Fri, Jan 23
DUB
Dublin
ORD
Chicago
$462 Roundtrip, found 5 hours ago
$462
Roundtrip
found 5 hours ago
Select British Airways flight, departing Thu, Jan 15 from Dublin to Chicago, returning Fri, Jan 23, priced at $462 found 5 hours ago
Brussels Airlines
Wed, Feb 18 - Tue, Feb 24
DUB
Dublin
ORD
Chicago
$469 Roundtrip, found 4 days ago
$469
Roundtrip
found 4 days ago
Select Brussels Airlines flight, departing Wed, Feb 18 from Dublin to Chicago, returning Tue, Feb 24, priced at $469 found 4 days ago
Delta
Wed, Dec 24 - Mon, Jan 12
DUB
Dublin
ORD
Chicago
$480 Roundtrip, found 4 days ago
$480
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Dec 24 from Dublin to Chicago, returning Mon, Jan 12, priced at $480 found 4 days ago

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

March is typically the cheapest month to fly

From $359 - $748 per traveler.

Alternative airports near Chicago

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

Select flight to O'Hare Intl. ORD. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $782
ORD
O'Hare Intl.
Cheapest
Average driving time to city center23 min
Flights from $782
Flights from Dublin (DUB) to Chicago (ORD)
Origin airport
Dublin
Destination airport
O'Hare Intl.
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, United
Roundtrip price
$410
Distance
3664 mi
Average flight time
2 hours 36 mins

Dublin to Chicago Flights

The cheapest times to fly from Dublin to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dublin to Chicago are during the month of January. You can find some of the cheapest flights from Dublin to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dublin to Chicago

Sunday is one of the best days to book for cheap flights from Dublin to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dublin to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dublin to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $386 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dublin to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dublin to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD) cost?
Snag a cheap one-way flight from $386 or cheap return flight from $411 from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD)?
January is the least expensive month to fly from DUB to ORD. Traveling outside of peak seasons is often the key to finding better deals on flights.
Which airlines fly direct from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD)?
Jump on a direct flight with Aer Lingus and go straight from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD).
What is the cheapest airline that flies from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from DUB to ORD. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD)?
On average, you can pick from 6 direct flights each week from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD). To expand your choices, consider taking a flight with a layover. Simply enter your dates on Expedia and then filter your search results to show one or two stops.
What are the most popular departure times for flights from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD)?
Flights between DUB and ORD tend to be busiest at 4 PM. For a less crowded experience and potentially cheaper tickets, choose a departure outside the usual busy windows.
What day of the week has the most flights from DUB to ORD?
If you depart on a Friday, you'll get the greatest range of options for flights from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD).
What is the earliest flight from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD)?
Dublin Airport (DUB)'s earliest flight to O'Hare Intl. Airport (ORD) is at approximately 4:40PM UTC+0. With a total travel time of 8h 35m, you'll touch down at around 7:15PM UTC-6.
How long does it take to fly from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD)?
Typically, it takes 8 hours and 35 minutes to cover the 3,700 mi from DUB to ORD.
What airline has the least delays from DUB to ORD?
With 92% of flights generally arriving on time, British Airways has the best on-time performance for nonstop flights from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD). To monitor your flight status and get notifications about any changes, head to the Expedia App.
What is the best time to fly from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD)?
Select a flight from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Chicago from Dublin Airport (DUB)?
If you're on a direct flight from Dublin Airport (DUB) to Chicago, O'Hare Intl. Airport (ORD) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Dublin Airport (DUB) to O'Hare Intl. Airport (ORD) last-minute?
Waiting until right before your break to book a ticket from DUB to ORD generally means paying more. While it's possible to find some last-minute deals, there's no guarantee. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Is it cheaper to book a DUB to ORD flight and hotel package?
Booking a DUB to ORD flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our impressive range of accommodations and then add activities, flights 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 Dublin Airport (DUB) to O'Hare Intl. Airport (ORD)?
You can usually cancel or reschedule your DUB to ORD flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.