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How to get the cheapest flight ticket from Dublin to Illinois
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 Illinois?
The cheapest month to fly to Illinois from Dublin is in November. Flight prices, which tend to average around €375, are often lower during this time because this is during the off-season. If you’re not able to fly to Illinois in November, then September is your next best option. Flight prices from Dublin to Illinois during September average around €453.
What is the cheapest day to depart on your flight to Illinois?
According to our data, Monday is the cheapest day to fly to Illinois from Dublin. The lowest ticket price found for a Monday departure recently was €617. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €744.
What is the cheapest time of day to depart on your flight to Illinois?
According to our data, the cheapest time of day to fly to Illinois is in the evening. momondo users have found flights departing from Dublin to Illinois in the evening for as low as €533. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around €666. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Dublin to Illinois flight route?
Fly from Dublin to Chicago O'Hare Intl for the best Dublin - Illinois flight prices
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Dublin when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around €525 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Dublin for as low as €437 on momondo.
What cabin class options are available on Dublin to Illinois flights?
There are 2 cabin classes available to choose from on Dublin to Illinois 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 Dublin to Illinois?
Icelandair, WestJet, and TAP AIR PORTUGAL are the most popular carriers operating from Dublin to Illinois
Which airlines fly to Illinois?
Aer Lingus, British Airways and Icelandair are the top three most popular airlines that fly to Illinois from Dublin according to our data. Aer Lingus is the first choice among our users, with 71% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 7 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
How many flights depart from Dublin to Illinois on average per day?
As of May 2025, 10 flights take off from Dublin and land in Illinois each day. The most common flight departure time for this route is 11:00, with 74% of daily flights taking off at midday.
How many flights depart from Dublin to Illinois on average per week?
As of May 2025, 73 flights take off from Dublin and land in Illinois each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
When did momondo last update prices for flights from Dublin Airport to Illinois?
Prices for flights from Dublin Airport to Illinois are updated daily.
How many operators does momondo search for flights from Dublin Airport to Illinois?
The number of operators available for flights from Dublin Airport to Illinois is 8 as of May 2025.
How old do you have to be to fly from Dublin Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dublin Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois 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 Illinois. 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 Dublin to Illinois?
Based on momondo bookings for flights between Dublin and Illinois, the leading plane model is Boeing 787-8 Dreamliner, making up 32.91% of the total bookings. Other popular models include Airbus A330-300 with 24.12%, Boeing 787 Dreamliner with 23.35%, and Airbus A330 with 8.65%.
Best airlines flying from Dublin to Illinois
Compare and see reviews for airlines that fly from Dublin to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €333 | Free Cancellation | Rating 7.0 487 reviews | |||
| PriceFrom €342 | Free Cancellation | Rating 6.6 6,842 reviews | |||
| PriceFrom €353 | Free Cancellation | Rating 7.6 1,275 reviews | |||
| PriceFrom €357 | Free Cancellation | Rating 7.0 1,076 reviews | |||
| PriceFrom €365 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom €409 | Free Cancellation | Rating 7.0 2,701 reviews | |||
| PriceFrom €449 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Dublin to Illinois?
Finding the right flight to Illinois from Dublin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.
Can I find flights from Dublin to Illinois with flexible booking policies on momondo?
Flights from Dublin to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Dublin to Illinois?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Dublin.
I’m not ready to book a flight from Dublin to Illinois right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Dublin to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.