Cheap flights from Dublin to Illinois from $331
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Illinois departing on 6/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Dublin to Illinois
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Icelandair flights from Dublin to Illinois
Our best Icelandair deals on Dublin to Illinois flight tickets
Scandinavian Airlines flights from Dublin to Illinois
Our best Scandinavian Airlines deals on Dublin to Illinois flight tickets
See travel insights to Illinois from
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 $426, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $515.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart from Dublin to Illinois is on a Friday when prices can be found for as low as $682. Flights from Dublin to Illinois on a Saturday will generally be more expensive and average around $833. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Dublin to Illinois during this time can be as low as $730. Flights at noon are often more expensive with an average ticket price of $817.
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 $596 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 $497 on momondo.
What cabin class options are available on Dublin to Illinois flights?
There are 3 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 Scandinavian Airlines are the most popular carriers operating from Dublin to Illinois
What airlines fly to Illinois?
Aer Lingus, United Airlines and British Airways 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 78% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 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 April 2025, there are 10 flights per day flying from Dublin to Illinois. The most common time of day flights depart is 11:00AM, with 74% of flights taking off at noon.
How many flights depart from Dublin to Illinois on average per week?
The number of flights available between Dublin and Illinois is 73 per week as of April 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.
Cheap Dublin to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dublin to Illinois
When did momondo last update prices for flights from Dublin Airport to Illinois?
Prices for flights from Dublin Airport to Illinois were last updated today.
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 3 as of April 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Dublin to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Dublin to Illinois is Boeing 787-8 Dreamliner, representing 32.91% of all bookings. The subsequent popular models are Airbus A330-300 at 24.12%, Boeing 787 Dreamliner at 23.35%, and Airbus A330 at 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 $368 | Free Cancellation | Rating 6.6 6,834 reviews | |||
| PriceFrom $401 | Free Cancellation | Rating 7.0 1,076 reviews | |||
| PriceFrom $648 | Free Cancellation | Rating 7.4 8,696 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Dublin to Illinois?
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 Illinois from Dublin.
Can I find flights from Dublin to Illinois with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Dublin to Illinois flights to just show those with flexible booking policies.
How can momondo help me find flights from Dublin to Illinois?
Once all potential Dublin to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Dublin to Illinois right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Dublin to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.