Support

Cheap flights from Chicago to Dublin

Chicago
CHI
Dublin
DUB

Flight deals from Chicago to Dublin

Below you can see the best deals on flights Chicago — Dublin for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 22 August, from $335.

Top 10 cheap flights from Chicago to Dublin

FI
$ 336

Chicago — Reykjavik

22:2509:30
21 Aug 2026
6 h 5 m
Direct flight
FI
$ 336

Chicago — Reykjavik

22:2509:30
23 Aug 2026
6 h 5 m
Direct flight
FI
$ 336

Chicago — Reykjavik

22:2509:30
23 Aug 2026
6 h 5 m
Direct flight
FI
$ 336

Chicago — Reykjavik

22:2509:30
23 Aug 2026
6 h 5 m
Direct flight
FI
$ 336

Chicago — Reykjavik

22:2509:30
22 Aug 2026
6 h 5 m
Direct flight
FI
$ 336

Chicago — Reykjavik

22:2509:30
22 Aug 2026
6 h 5 m
Direct flight
FI
$ 336

Chicago — Reykjavik

22:2509:30
22 Aug 2026
6 h 5 m
Direct flight
FI
$ 336

Chicago — Reykjavik

22:2509:30
22 Aug 2026
6 h 5 m
Direct flight
FI
$ 336

Chicago — Reykjavik

22:2509:30
22 Aug 2026
6 h 5 m
Direct flight
FI
$ 336

Chicago — Reykjavik

22:2509:30
18 Aug 2026
6 h 5 m
Direct flight

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Chicago — Dublin flight

On this page, you can find and book flights from Chicago to Dublin. This 5,906 km route is served regularly, with about 19 flights per week, making it easy to plan your trip to Ireland.

Flights are operated by airlines such as United Airlines, Aer Lingus, and American Airlines. Ticket prices are dynamic, so we recommend using the low-fare calendar and researching how to get to Chicago airport and transfer options from Dublin airport in advance.

Flight ticket prices by day: Chicago — Dublin

Below is a calendar of the lowest flight ticket prices for Chicago — Dublin by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $167 in b, and the most expensive are around $425 in y. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--

Prices by month

Chicago → Dublin, average one-way price

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$370lowMay$460mediumSep$460medium
Feb$358lowJun$537highOct$434medium
Mar$396lowJul$562highNov$383low
Apr$434mediumAug$549highDec$485high

Some values are estimated based on seasonality.

When to fly

The climate at your destination is temperate, with July and August being the warmest months, reaching an average high of about 19°C. The coolest weather occurs in January (down to 7.6°C), while rainfall statistically peaks in September.

The lowest flight prices are recorded in November, starting $167, with great deals also available in February — $170. The most expensive month to fly is June, when prices start $696.

For a good balance between weather and ticket costs, consider traveling in September or October. We recommend avoiding the summer peak in June if your main goal is to significantly save on travel costs.

Temperature · Dublin

Dry and wet days · Dublin

Wind speed and direction · Dublin

We'll let you know if you need a visa

Enter your destination or
Your nationality
Destination

How to get the best deal on a Chicago — Dublin ticket

  • Compare direct flights and connecting options. Aer Lingus often offers non-stop flights, but connecting routes can be cheaper — sometimes starting $167.
  • Use the price dynamics chart. Transatlantic ticket prices depend heavily on the day of the week; mid-week departures are usually more affordable than weekend flights.
  • Keep an eye on baggage rules. On routes between the US and Europe, basic fares from United Airlines or American Airlines often don't include checked baggage; check the terms before paying.
  • Book your tickets in advance. The best time to buy a ticket is 2–3 months before departure, when carriers open up their most budget-friendly fare classes.

Airlines

Four airlines operate on this route, with Aer Lingus and United Airlines being the primary carriers. Passengers can choose from both direct non-stop flights and convenient connecting options, providing a total of about 19 departures per week. A detailed weekly schedule and route details are listed below; click on an airline card for more information.

  • Aer LingusEI
    9x/week
    WebsiteFleet: 5710.7M pax/year
    • Direct flight ORD → DUB9x/week
  • American AirlinesAA
    5x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight ORD → DUB5x/week
  • United AirlinesUA
    5x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight ORD → DUB5x/week
  • IberiaIB
    1x/week
    WebsiteFleet: 9224M pax/year
    • Direct flight ORD → DUB1x/week

Cities and airports on the Chicago — Dublin route

Flights Chicago — Dublin depart from O'Hare International Airport, Chicago Midway International Airport, Midway International Airport and Chicago Rockford International Airport and arrive at Dublin Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure airports
Arrival airports

Interesting articles about Dublin

Where the heck? To Dublin: what to do in the capital of IrelandTips for Travelers

Where the heck? To Dublin: what to do in the capital of Ireland

They say Dublin is a city of red-haired alcoholics whose numbers are constantly growing. Let’s figure out where these stereotypes come from. At the same time, we’ll find out what else to do in the cap…

I’m fine with it: places for solo travelTips for Travelers

I’m fine with it: places for solo travel

A solo trip is not a sentence, but a gift. It’s not always possible to find a travel companion, but you shouldn’t postpone a trip to your dream city because of it. Everyone should try traveling alone…

Best European Neighborhoods for a Few Days of PartyingTips for Travelers

Best European Neighborhoods for a Few Days of Partying

May holidays are coming, hurray! Time for big and small trips. Big ones are clear, but for the small ones, we have the inside scoop. Many go to Europe, and it’s understandable — it’s very nice there i…

Filming Locations for Game of Thrones Season 8Tips for Travelers

Filming Locations for Game of Thrones Season 8

The agonizing wait will soon be over—the final season of “Game of Thrones” is about to be released. Even if you’re not familiar with ice and fire, only watched a couple of episodes of the first season…

10 Beautiful Libraries from Around the WorldInteresting

10 Beautiful Libraries from Around the World

Libraries have long ceased to be mere repositories of dusty tomes. Today, they are grand architectural monuments where history intertwines with modern design, and the silence of the halls inspires new…

Spring in Europe: Where to go on a budgetTravel Ideas

Spring in Europe: Where to go on a budget

The weather outside has cleared up. We’re starting to stir after a long hibernation and choose where to go for a spring vacation this year. We suggest starting with a strong hand and a few transfers (…

Frequently asked questions about the Chicago — Dublin flight

How long is the flight from Chicago to Dublin?

For a distance of 5,906 km, the estimated time for a direct flight is about 7–8 hours. If you choose a connecting flight, the total travel time will depend on the duration of the layover at the transfer airport.

Which airlines fly this route?

Regular service is provided by carriers such as Aer Lingus, United Airlines, American Airlines, and Iberia.

Are there direct flights from Chicago to Dublin?

Yes, direct non-stop flights are available on this route and are highly popular because they significantly save travel time.

How much is the cheapest ticket?

Flight prices change constantly based on demand, season, and how far in advance you book. You can check the current lowest price for your dates in the low-fare calendar on this page.

Which airport do flights arrive at?

All major flights from Chicago on this route arrive at Dublin International Airport (DUB).

Where else you can fly from Chicago

See all

Where else you can fly from Dublin

See all

We use cookies and services to collect user information. This is essential for the functioning of the site and for marketing purposes. You can find out more in .