Cheap flights from Dublin to Chicago O'Hare Intl Airport from $301
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 O'Hare Intl Airport departing on 5/4. 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.
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 Chicago
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Scandinavian Airlines flights from Dublin to Chicago O'Hare Intl Airport
Our best Scandinavian Airlines deals on Dublin to Chicago O'Hare Intl Airport flight tickets
Icelandair flights from Dublin to Chicago O'Hare Intl Airport
Our best Icelandair deals on Dublin to Chicago O'Hare Intl Airport flight tickets
See travel insights to Chicago from
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 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 $510.
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 Friday when prices can be found for as low as $676. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday 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 $833.
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 $727 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $817. 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 19 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $594 when searching 19 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 $489 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.
What is the cheapest airline that flies from Dublin to Chicago O'Hare Intl?
WestJet, Icelandair, and Scandinavian Airlines are the most popular carriers operating from Dublin to Chicago O'Hare Intl
What airlines fly to Chicago O'Hare Intl Airport?
Aer Lingus, United Airlines and British Airways are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Dublin according to our data. Aer Lingus is the first choice among our users, with 77% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 3 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Dublin to Chicago O'Hare Intl Airport on average per day?
As of March 2025, there are 2 flights per day flying from Dublin to Chicago O'Hare Intl Airport. The most common time of day flights depart is 11:00AM, with 60% of flights taking off at noon.
How many flights depart from Dublin to Chicago O'Hare Intl Airport on average per week?
16 flights are operational weekly from Dublin to Chicago O'Hare Intl Airport as of March 2025. The most popular departure day for this route is Fri, with 38% 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 3 as of March 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 31.95% of all bookings. The subsequent popular models are Airbus A330-300 at 25.41%, Boeing 787 Dreamliner at 23.52%, and Airbus A330 at 7.81%.
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 (77% of total bookings). The next most popular airlines are United Airlines (15%) and British Airways (8%).
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 $368 | Free Cancellation | Rating 6.6 6,712 reviews | |||
| PriceFrom $401 | Free Cancellation | Rating 7.0 1,062 reviews | |||
| PriceFrom $648 | Free Cancellation | Rating 7.4 8,603 reviews |
Aer Lingus Flights From Dublin to Chicago O'Hare Intl Airport
Aer Lingus flies from Dublin to Chicago O'Hare Intl Airport around 4 times per week, with 1,062 momondo users rating the airline 7.0/10. The cheapest Aer Lingus deal from Dublin to Chicago O'Hare Intl Airport in the last 72 hours was $401 (round-trip), much lower than the average airfare cost of $566 for Aer Lingus flights on this route.
British Airways Flights From Dublin to Chicago O'Hare Intl Airport
The best British Airways deal for Dublin to Chicago O'Hare Intl Airport flight tickets found on momondo in the last 72 hours was $368, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at $795 round-trip. British Airways operates 6 flights out of Dublin into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 6,712 British Airways reviews by users on momondo have scored the airline at 6.6/10.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
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.