Cheap flights from Illinois to Dublin from €221
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Dublin departing on 17/8. 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 Illinois 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 Illinois during November instead. Flights to Dublin in November, while not as cheap as those in February, still average around €482.
What is the cheapest day to depart on your flight to Dublin?
Our data shows that Saturday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €633. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €758. 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 Illinois to Dublin flights are usually those with departure times in the afternoon. Our users have found flights to Dublin in the afternoon for as low as €669. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €805 on average. Flights to Dublin from Illinois at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Illinois to Dublin flight route?
Fly from Chicago O'Hare Intl to Dublin for the best Illinois - 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 Illinois when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €617 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Illinois for as low as €579 on momondo.
What cabin class options are available on Illinois to Dublin flights?
There are 1 cabin classes available to choose from on Illinois to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Illinois to Dublin?
TAP AIR PORTUGAL, Icelandair, and JetBlue are the most popular carriers operating from Illinois to Dublin
Which airlines fly to Dublin?
American Airlines, Aer Lingus and British Airways are the top three most popular airlines that fly to Dublin from Illinois according to our data. American Airlines is the first choice among our users, with 31% of people opting to fly with this airline when travelling to Dublin. Keep in mind that there are 4 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to Dublin on average per day?
The number of flights available between Illinois and Dublin is 11 per day as of May 2025. The most frequent departure time is 20:00, with 72% of daily flights leaving in the evening.
How many flights depart from Illinois to Dublin on average per week?
77 flights are operational weekly from Illinois to Dublin as of May 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.
Cheap Illinois to Dublin flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Dublin
When did momondo last update prices for flights from Illinois to Dublin Airport?
Prices for flights from Illinois to Dublin Airport are updated daily.
How many operators does momondo search for flights from Illinois to Dublin Airport?
As of May 2025, there are 4 operators available to choose from for flights from Illinois to Dublin Airport.
How old do you have to be to fly from Illinois to Dublin Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois 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 Illinois to Dublin?
momondo data reveals that the most frequently booked plane model on the route from Illinois to Dublin is Boeing 787-8 Dreamliner, representing 41.75% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 15.98%, Airbus A330 at 11.70%, and Boeing 787-10 Dreamliner at 7.46%.
Best airlines flying from Illinois to Dublin
Compare and see reviews for airlines that fly from Illinois to Dublin with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €469 | Free Cancellation | Rating 7.0 1,076 reviews | |||
| PriceFrom €622 | Free Cancellation | Rating 6.6 6,852 reviews | |||
| PriceFrom €671 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom €681 | Free Cancellation | Rating 7.8 1,337 reviews |
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 Illinois to Dublin?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Dublin . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Illinois to Dublin with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Dublin from Illinois with this policy.
How can momondo help me find flights from Illinois to Dublin?
Once you have performed a search for Illinois to Dublin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Illinois to Dublin right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Illinois to Dublin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.