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£292 Cheap Flights from Dublin (DUB) to Chicago (ORD)

View £292 flight on Sat, 5 Sept 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £292 for one-way flights and £367 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Tue, 9 Feb - Tue, 23 Feb
DUB
Dublin
ORD
Chicago
£367 Return, found 18 hours ago
£367
Return
found 18 hours ago
Select Icelandair flight, departing Tue, 9 Feb from Dublin to Chicago, returning Tue, 23 Feb, priced at £367 found 18 hours ago
Icelandair
Thu, 29 Oct - Mon, 9 Nov
DUB
Dublin
ORD
Chicago
£376 Return, found 4 hours ago
£376
Return
found 4 hours ago
Select Icelandair flight, departing Thu, 29 Oct from Dublin to Chicago, returning Mon, 9 Nov, priced at £376 found 4 hours ago
Finnair
Thu, 29 Oct - Mon, 9 Nov
DUB
Dublin
ORD
Chicago
£395 Return, found 4 hours ago
£395
Return
found 4 hours ago
Select Finnair flight, departing Thu, 29 Oct from Dublin to Chicago, returning Mon, 9 Nov, priced at £395 found 4 hours ago
British Airways
Tue, 9 Feb - Tue, 23 Feb
DUB
Dublin
ORD
Chicago
£398 Return, found 18 hours ago
£398
Return
found 18 hours ago
Select British Airways flight, departing Tue, 9 Feb from Dublin to Chicago, returning Tue, 23 Feb, priced at £398 found 18 hours ago
Finnair
Fri, 11 Jun - Sun, 20 Jun
DUB
Dublin
ORD
Chicago
£404 Return, found 16 hours ago
£404
Return
found 16 hours ago
Select Finnair flight, departing Fri, 11 Jun from Dublin to Chicago, returning Sun, 20 Jun, priced at £404 found 16 hours ago
Aer Lingus
Wed, 18 Nov - Wed, 25 Nov
DUB
Dublin
ORD
Chicago
£404 Return, found 5 hours ago
£404
Return
found 5 hours ago
Select Aer Lingus flight, departing Wed, 18 Nov from Dublin to Chicago, returning Wed, 25 Nov, priced at £404 found 5 hours ago
Iberia
Tue, 9 Feb - Tue, 23 Feb
DUB
Dublin
ORD
Chicago
£409 Return, found 18 hours ago
£409
Return
found 18 hours ago
Select Iberia flight, departing Tue, 9 Feb from Dublin to Chicago, returning Tue, 23 Feb, priced at £409 found 18 hours ago
American Airlines
Tue, 9 Feb - Tue, 23 Feb
DUB
Dublin
ORD
Chicago
£409 Return, found 18 hours ago
£409
Return
found 18 hours ago
Select American Airlines flight, departing Tue, 9 Feb from Dublin to Chicago, returning Tue, 23 Feb, priced at £409 found 18 hours ago
KLM
Thu, 25 Feb - Mon, 1 Mar
DUB
Dublin
ORD
Chicago
£411 Return, found 18 hours ago
£411
Return
found 18 hours ago
Select KLM flight, departing Thu, 25 Feb from Dublin to Chicago, returning Mon, 1 Mar, priced at £411 found 18 hours ago
Air France
Thu, 29 Oct - Mon, 9 Nov
DUB
Dublin
ORD
Chicago
£414 Return, found 4 hours ago
£414
Return
found 4 hours ago
Select Air France flight, departing Thu, 29 Oct from Dublin to Chicago, returning Mon, 9 Nov, priced at £414 found 4 hours ago

Alternative airports near Chicago

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

Select flight to Midway Intl. MDW. Closest option available. Average driving time to city centre is 16 minutes. Flights from £687
MDW
Midway Intl.
Closest
Average driving time to city centre16 min
Flights from £687

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

February is typically the cheapest month to fly

From £341 - £459 per traveller.

Frequently asked questions

How much does a flight from Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.) cost?
You can find cheap one-way flights from £292 and cheap return flights from £367 DUB to ORD with Expedia. One-way flights typically cost between £556 and £2140, and return flights often range between £661 and £4247. 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 DUB to ORD ticket fares go up or down.
What is the cheapest month to fly from Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.)?
The cheapest months to fly from DUB to ORD are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Dublin (DUB) to Chicago, IL (ORD)?
Enter DUB to ORD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.)?
To find a cheap flight from Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.), 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 Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.)?
The best airline to fly with from Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. Aer Lingus offers the most daily flights from Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.), 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 Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.)?
You'll find around 4 nonstop flights per day from Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.). For even more choices, look at flights that include layovers, as there are approximately 67 connecting flights per day. Some common connection points include Heathrow (LHR), Pearson Intl. (YYZ), and Frankfurt Intl. (FRA).
What is the earliest flight from Dublin (DUB) to Chicago, IL (ORD)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Dublin (DUB) to Chicago, IL (ORD). 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 Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.)?
You'll find the most flights from Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.) on a Saturday, with around 67 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Aer Lingus, United, and British Airways. Flight schedules are fairly consistent throughout the week, with Saturdays offering only slightly more flights than other days.
What are the most popular departure times for flights from Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.) are in the morning, from 9am to 12pm. Many major carriers, including United, Aer Lingus and American Airlines, offer flights during this window. Many travellers prefer these times as they allow for an early start to your journey, getting you to your destination with plenty of time left in the day.
How long does it take to fly from Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.)?
Flying nonstop from DUB to ORD takes around 8 hours 30 minutes, with the route covering approximately 5,897 kilometers. Flights with a layover typically take 3 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 Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.)?
You can fly business class between Dublin (DUB) and Chicago, IL (ORD-O'Hare Intl.).Airlines that offer business class service on this route include:

  • Aer Lingus
  • Air France
  • Lufthansa
  • Swiss International Air Lines
  • Air Baltic
  • KLM
  • British Airways
  • Turkish Airlines
  • Air Canada
  • Med View Airlines
  • Iberia Express
  • United
  • Delta
  • Hop!
  • Finnair
  • Portugalia
  • American Airlines
  • SAS
  • Helvetic Airways
  • Icelandair

How do I earn miles on a Dublin (DUB) to Chicago, IL (ORD) flight with Expedia?
It's easy to earn miles on a Dublin (DUB) to Chicago, IL (ORD) 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 Dublin (DUB) to Chicago, IL (ORD) at the last minute?
Typically, booking a last minute flight from Dublin (DUB) to Chicago, IL (ORD) 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 Dublin (DUB) to Chicago, IL (ORD) flight and hotel package?
Securing a Dublin (DUB) to Chicago, IL (ORD) 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 Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.)?
If you booked your Dublin (DUB) to Chicago, IL (ORD-O'Hare Intl.) 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
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
Return price
£366
Distance
5862 km
Average flight time
2 hours 15 mins

Book with confidence

Compare flights from Dublin to Chicago easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Dublin to Chicago. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to O'Hare Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Dublin to O'Hare Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Dublin (DUB) to O'Hare Intl. (ORD)

The easiest way to view the best deals on flights from Dublin to Chicago today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Dublin to O'Hare Intl. start at just £367 and range up to £426.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Dublin and Chicago
  • booking your flight during February, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Dublin to Chicago flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Dublin to O'Hare Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Dublin to Chicago easily and book with confidence

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