Cheap flights from Chicago O'Hare Intl Airport to Dublin from €180
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Dublin departing on 14/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Dublin
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Dublin?
What is the cheapest month to fly to Dublin?
If you aren’t able to travel during the month of January, then book flights to Dublin from Chicago O'Hare Intl Airport during November instead. Flights to Dublin in November, while not as cheap as those in January, still average around €459.
What is the cheapest day to depart on your flight to Dublin?
Our data shows that Wednesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €620. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €728. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.
What is the cheapest time of day to depart on your flight to Dublin?
Our data shows that the cheapest Chicago O'Hare Intl Airport to Dublin flights are usually those with departure times in the evening. Our users have found flights to Dublin in the evening for as low as €620. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €773 on average. Flights to Dublin from Chicago O'Hare Intl Airport at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Chicago O'Hare Intl to Dublin flight route?
Fly from Chicago O'Hare Intl to Dublin for the best Chicago O'Hare Intl - Dublin flight prices
How far in advance should I book a flight to Dublin?
You are more likely to see cheaper flights to Dublin from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €588 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Chicago O'Hare Intl Airport for as low as €538 on momondo.
What cabin class options are available on Chicago O'Hare Intl to Dublin flights?
There are 1 cabin classes available to choose from on Chicago O'Hare Intl to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Chicago O'Hare Intl Airport to Dublin flights?
You could potentially save up to 41% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Dublin flight.
How have Chicago O'Hare Intl Airport to Dublin flight prices changed over time?
As of July 2025, prices for Chicago O'Hare Intl Airport to Dublin flights are approximately 21% cheaper when compared to flights at the same time last year.
How many flights depart from Chicago O'Hare Intl Airport to Dublin on average per day?
As of July 2025, there are 17 flights per day flying from Chicago O'Hare Intl Airport to Dublin. The most common time of day flights depart is 22:00, with 82% of flights taking off in the evening.
How many flights depart from Chicago O'Hare Intl Airport to Dublin on average per week?
The number of flights available between Chicago O'Hare Intl Airport and Dublin is 119 per week as of July 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.
When to book flights from Chicago O'Hare Intl Airport to Dublin
Cheap Chicago O'Hare Intl Airport to Dublin (ORD to DUB) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Dublin
How far is Chicago O'Hare Intl to Dublin by plane?
There are 5895.0 km between Chicago O'Hare Intl and Dublin. A reasonable flight in good conditions will take 7h 20m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Dublin Airport?
Prices for flights from Chicago O'Hare Intl Airport to Dublin Airport are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Dublin Airport?
There is 1 operator available for flights from Chicago O'Hare Intl Airport to Dublin Airport as of July 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Dublin Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Chicago O'Hare Intl Airport to Dublin?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Dublin is Boeing 787-8 Dreamliner (46.79% of total bookings). The next most popular plane models are Boeing 787 Dreamliner (16.21%), Airbus A330 (10.91%), and Boeing 787-9 Dreamliner (6.01%).
What is the most popular airline from Chicago O'Hare Intl Airport to Dublin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago O'Hare Intl Airport to Dublin is Aer Lingus (100% of total bookings).
Best airlines flying from Chicago O'Hare Intl Airport to Dublin
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Dublin with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €450 | Free Cancellation | Rating 7.1 1,144 reviews |
Aer Lingus Flights From Chicago O'Hare Intl Airport to Dublin
Aer Lingus is one of the most popular airlines flying from Chicago O'Hare Intl Airport to Dublin, operating 21 flights/week on average for this route. A good Aer Lingus flight deal for Chicago O'Hare Intl Airport to Dublin starts from €530 round-trip, up to an average price of €764. Our users have rated Aer Lingus at 7.1/10.
Travelling to a place near Dublin?
Book flights to Dublin if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Chicago to Dublin?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Dublin from Chicago.
Can I find flights from Chicago to Dublin with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Dublin from Chicago with this policy.
How can momondo help me find flights from Chicago to Dublin?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Dublin.
I’m not ready to book a flight from Chicago to Dublin right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from Chicago and alert you when they change.