Cheap flights from Chicago 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 to Dublin departing on 15/8. 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 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 cheapest month to fly to Dublin?
If you aren’t able to travel during the month of February, then book flights to Dublin from Chicago during January instead. Flights to Dublin in January, while not as cheap as those in February, still average around €477.
What is the cheapest day to depart on your flight to Dublin?
Our data shows that Thursday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €632. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €742. 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 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 €659. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €788 on average. Flights to Dublin from Chicago at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Chicago to Dublin flight route?
Fly from Chicago O'Hare Intl to Dublin for the best Chicago - 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 when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €600 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Chicago for as low as €543 on momondo.
What cabin class options are available on Chicago to Dublin flights?
There are 1 cabin classes available to choose from on Chicago 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 to Dublin flights?
You could potentially save up to 41% on your flight if you consider stops on a Chicago to Dublin flight.
How have Chicago to Dublin flight prices changed over time?
As of June 2025, prices for Chicago to Dublin flights are approximately 10% more expensive when compared to flights at the same time last year.
How many flights depart from Chicago to Dublin on average per day?
As of June 2025, there are 17 flights per day flying from Chicago 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 to Dublin on average per week?
As of June 2025, 119 flights take off from Chicago and land in Dublin each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
When to book flights from Chicago to Dublin
Cheap Chicago to Dublin (CHI to DUB) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Dublin
How far is Chicago to Dublin by plane?
The straight-line distance from Chicago to Dublin is 5885.8 km. A reasonable flight in good conditions will take 7h 20m.
When did momondo last update prices for flights from Chicago to Dublin Airport?
Prices for flights from Chicago to Dublin Airport refresh daily.
How many operators does momondo search for flights from Chicago to Dublin Airport?
The number of operators available for flights from Chicago to Dublin Airport is 1 as of June 2025.
How old do you have to be to fly from Chicago to Dublin Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Chicago 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 to Dublin?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Dublin is Boeing 787-8 Dreamliner, representing 47.34% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 16.09%, Airbus A330 at 11.18%, and Boeing 787-10 Dreamliner at 5.84%.
What is the most popular airline from Chicago to Dublin?
Based on momondo bookings for flights between Chicago and Dublin, the leading airline is Aer Lingus, making up 100% of the total bookings.
Best airlines flying from Chicago to Dublin
Compare and see reviews for airlines that fly from Chicago to Dublin with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €459 | Free Cancellation | Rating 7.1 1,117 reviews |
Aer Lingus Flights From Chicago to Dublin
Across 21 Aer Lingus flights from Chicago to Dublin this week, the average price was €789, with the best Aer Lingus deals starting from €530 round-trip. 1,117 users have rated Aer Lingus on momondo, with an average score of 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?
It is quick and easy to find Chicago to Dublin flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Dublin that suits you.
Can I find flights from Chicago to Dublin with flexible booking policies on momondo?
All flight searches from Chicago to Dublin on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Chicago to Dublin?
momondo provides multiple filters to help you find the best flight to Dublin from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Chicago to Dublin right now. Can momondo alert me if prices change?
Price alerts on flights to Dublin from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.