Cheap flights from Dublin to Chicago from €257
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 Chicago departing on 22/5. 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 Dublin to Chicago
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 Dublin and Chicago?
What is the cheapest month to fly to Chicago?
The cheapest month to fly to Chicago from Dublin is in November. Flight prices, which tend to average around €374, are often lower during this time because this is during the off-season. If you don’t want to visit Chicago in November, then you should wait until September to fly from Dublin, when ticket prices are also cheap, with an average price of €452.
What is the cheapest day to depart on your flight to Chicago?
On average, the least expensive day to fly to Chicago from Dublin is on a Monday. momondo users have found tickets for Monday departures for as low as €614. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Chicago on Sunday is €741.
What is the cheapest time of day to depart on your flight to Chicago?
In the evening is the cheapest time of day to fly from Dublin to Chicago when you can find flight prices for as low as €532. Flying to Chicago in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €663 on average. Flights to Chicago from Dublin in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Dublin to Chicago flight route?
Fly from Dublin to Chicago O'Hare Intl for the best Dublin - Chicago flight prices
How far in advance should I book a flight to Chicago?
You are more likely to see cheaper flights to Chicago from Dublin when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around €523 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Dublin for as low as €436 on momondo.
What cabin class options are available on Dublin to Chicago flights?
There are 2 cabin classes available to choose from on Dublin to Chicago 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 Chicago?
WestJet, Icelandair, and Aer Lingus are the most popular carriers operating from Dublin to Chicago
Which airlines fly to Chicago?
Aer Lingus, British Airways and Icelandair are the top three most popular airlines that fly to Chicago 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 Chicago. Keep in mind that there are 7 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.
How many flights depart from Dublin to Chicago on average per day?
The number of flights available between Dublin and Chicago is 11 per day as of April 2025. The most frequent departure time is 11:00, with 73% of daily flights leaving at midday.
How many flights depart from Dublin to Chicago on average per week?
As of April 2025, there are 78 flights per week flying from Dublin to Chicago. The most common day of the week flights depart is Thu, with 15% of flights taking off on this day.
When to book flights from Dublin to Chicago
Cheap Dublin to Chicago (DUB to CHI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dublin to Chicago
How far is Dublin to Chicago by plane?
Chicago is 5885.8 km away from Dublin. By plane, this route typically takes 8h 00m.
When did momondo last update prices for flights from Dublin Airport to Chicago?
Prices for flights from Dublin Airport to Chicago are refreshed on a daily basis.
How many operators does momondo search for flights from Dublin Airport to Chicago?
As of April 2025, there are 7 operators available to choose from for flights from Dublin Airport to Chicago.
How old do you have to be to fly from Dublin Airport to Chicago?
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 Dublin Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents required for your trip to Chicago 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 Chicago. 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 Chicago?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Dublin to Chicago is Boeing 787-8 Dreamliner (31.83% of total bookings). The next most popular plane models are Airbus A330-300 (25.25%), Boeing 787 Dreamliner (23.52%), and Airbus A330 (7.95%).
What is the most popular airline from Dublin to Chicago?
momondo data reveals that the most frequently booked airline on the route from Dublin to Chicago is Aer Lingus, representing 50% of all bookings. The subsequent popular airlines are Icelandair at 15%, British Airways at 10%, and United Airlines at 9%.
Best airlines flying from Dublin to Chicago
Compare and see reviews for airlines that fly from Dublin to Chicago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €332 | Free Cancellation | Rating 7.0 484 reviews | |||
| PriceFrom €352 | Free Cancellation | Rating 7.6 1,273 reviews | |||
| PriceFrom €352 | Free Cancellation | Rating 6.6 6,787 reviews | |||
| PriceFrom €356 | Free Cancellation | Rating 7.0 1,066 reviews | |||
| PriceFrom €364 | Free Cancellation | Rating 7.4 8,677 reviews | |||
| PriceFrom €438 | Free Cancellation | Rating 7.0 2,682 reviews | |||
| PriceFrom €447 | Free Cancellation | Rating 7.2 10,000 reviews |
United Airlines Flights From Dublin to Chicago
United Airlines operates around 7 flights from Dublin to Chicago every week. The average price of these flights found in the last 72 hours has been €737, but momondo users have found United Airlines deals from Dublin to Chicago from as low as €415 round-trip. United Airlines has been scored 7.4/10 in 8,677 reviews.
American Airlines Flights From Dublin to Chicago
American Airlines is also a popular choice for this route. American Airlines flight deals for Dublin to Chicago start from as low as €510 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around €745. American Airlines operates 14 flights to Chicago from Dublin in an average week. Users have rated it 7.2/10 across 10,000 reviews.
Why use momondo?
Why should I use momondo to find a flight deal from Dublin to Chicago?
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 Chicago from Dublin.
Can I find flights from Dublin to Chicago with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Chicago from Dublin with this policy.
How can momondo help me find flights from Dublin to Chicago?
Once you have performed a search for Dublin to Chicago 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 Dublin to Chicago right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Dublin and alert you when they change.