Cheap flights from Dublin to Chicago from $255
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 9/17. 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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Icelandair flights from Dublin to Chicago O'Hare Intl Airport
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How to get the cheapest flight ticket from Dublin to Chicago O'Hare Intl Airport
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 O'Hare Intl Airport?
What is the cheapest month to fly to Chicago O'Hare Intl Airport?
The month of November is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Dublin averaging around $515.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $693. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $828.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Flying to Chicago O'Hare Intl Airport from Dublin in the morning is the least expensive time of day to depart. momondo users have found prices as low as $748 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $827. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Dublin to Chicago O'Hare Intl flight route?
Fly from Dublin to Chicago O'Hare Intl for the best Dublin - Chicago O'Hare Intl flight prices
How far in advance should I book a flight to Chicago O'Hare Intl Airport?
You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Dublin when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $600 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Dublin for as low as $504 on momondo.
What cabin class options are available on Dublin to Chicago O'Hare Intl flights?
There are 3 cabin classes available to choose from on Dublin to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from Dublin to Chicago O'Hare Intl Airport on average per day?
As of June 2025, there are 17 flights per day flying from Dublin to Chicago O'Hare Intl Airport. The most common time of day flights depart is 11:00AM, with 52% of flights taking off in the afternoon.
How many flights depart from Dublin to Chicago O'Hare Intl Airport on average per week?
123 flights are operational weekly from Dublin to Chicago O'Hare Intl Airport as of June 2025. The most popular departure day for this route is Thu, with 15% of flights per week taking off on this day.
When to book flights from Dublin to Chicago O'Hare Intl Airport
Cheap Dublin to Chicago O'Hare Intl Airport (DUB to ORD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dublin to Chicago O'Hare Intl Airport
How far is Dublin to Chicago O'Hare Intl by plane?
The straight-line distance from Dublin to Chicago O'Hare Intl is 3663.0 mi. Typically, this will take 8h 00m by plane in normal conditions.
When did momondo last update prices for flights from Dublin Airport to Chicago O'Hare Intl Airport?
Prices for flights from Dublin Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Dublin Airport to Chicago O'Hare Intl Airport?
The number of operators available for flights from Dublin Airport to Chicago O'Hare Intl Airport is 2 as of June 2025.
How old do you have to be to fly from Dublin Airport to Chicago O'Hare Intl Airport?
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 Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Dublin to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Dublin to Chicago O'Hare Intl Airport is Boeing 787-8 Dreamliner, representing 34.72% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 23.84%, Airbus A330-300 at 20.82%, and Airbus A330 at 8.68%.
What is the most popular airline from Dublin to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Dublin to Chicago O'Hare Intl Airport is Aer Lingus (90% of total bookings). The next most popular airline is United Airlines (10%).
Best airlines flying from Dublin to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from Dublin to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $408 | Free Cancellation | Rating 7.1 1,117 reviews | |||
| PriceFrom $667 | Free Cancellation | Rating 7.4 8,790 reviews |
United Airlines Flights From Dublin to Chicago O'Hare Intl Airport
United Airlines flies from Dublin to Chicago O'Hare Intl Airport around 7 times per week, with 8,790 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Dublin to Chicago O'Hare Intl Airport in the last 72 hours was $667 (round-trip), much lower than the average airfare cost of $775 for United Airlines flights on this route.
Aer Lingus Flights From Dublin to Chicago O'Hare Intl Airport
The best Aer Lingus deal for Dublin to Chicago O'Hare Intl Airport flight tickets found on momondo in the last 72 hours was $408, round-trip. It should be noted that an average Aer Lingus flight deal for this route in this time was higher, at $579 round-trip. Aer Lingus operates 21 flights out of Dublin into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 1,117 Aer Lingus reviews by users on momondo have scored the airline at 7.1/10.
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Why should I use momondo to find a flight deal from Dublin to Chicago?
It is quick and easy to find Dublin to Chicago 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 Chicago that suits you.
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 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 Chicago from Dublin.
I’m not ready to book a flight from Dublin to Chicago right now. Can momondo alert me if prices change?
Price alerts on flights to Chicago from Dublin 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.