Cheap flights from Dublin to Chicago O'Hare Intl Airport from £288
This is the cheapest return 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 20/9. 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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British Airways flights from Dublin to Chicago O'Hare Intl Airport
Our best British Airways deals on Dublin to Chicago O'Hare Intl Airport flight tickets
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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 cheapest month to fly to Chicago O'Hare Intl Airport?
The cheapest month to fly to Chicago O'Hare Intl Airport from Dublin is in February. Flight prices, which tend to average around £388, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Chicago O'Hare Intl Airport from Dublin during November instead. Flights to Chicago O'Hare Intl Airport in November, while not as cheap as those in February, still average around £394.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart from Dublin to Chicago O'Hare Intl Airport is on a Tuesday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Tuesday will often find tickets for as low as £540. 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 O'Hare Intl Airport on Sunday is £636.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest time of day to fly to Chicago O'Hare Intl Airport is in the evening when flights can be purchased for as low as £518. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is at midday when prices are around £619.
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 £459 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 £378 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 JetBlue are the most popular carriers operating from Dublin to Chicago O'Hare Intl
Which airlines fly to Chicago O'Hare Intl Airport?
Aer Lingus, British Airways and Finnair 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 71% of people opting to fly with this airline when travelling to Chicago O'Hare Intl Airport. Keep in mind that there are 8 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?
2 flights are operational daily from Dublin to Chicago O'Hare Intl Airport as of March 2025. The most popular departure time for this route is 11:00, with 60% of flights per day taking off at midday.
How many flights depart from Dublin to Chicago O'Hare Intl Airport on average per week?
As of March 2025, there are 16 flights per week flying from Dublin to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Fri, with 38% of flights 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. In terms of flight time, this usually takes a little over 8h 00m.
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 refresh daily.
How many operators does momondo search for flights from Dublin Airport to Chicago O'Hare Intl Airport?
As of March 2025, there are 8 operators available to choose from for flights from Dublin Airport to Chicago O'Hare Intl Airport.
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 travel and health documents required for your trip to Chicago O'Hare Intl Airport 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 license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. 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 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 (58% of total bookings). The next most popular airlines are British Airways (9%), Finnair (8%), and Icelandair (7%).
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 £268 | Free Cancellation | Rating 7.0 476 reviews | |||
| PriceFrom £300 | Free Cancellation | Rating 6.6 6,713 reviews | |||
| PriceFrom £302 | Free Cancellation | Rating 7.4 8,603 reviews | |||
| PriceFrom £306 | Free Cancellation | Rating 7.8 1,321 reviews | |||
| PriceFrom £319 | Free Cancellation | Rating 7.0 1,062 reviews | |||
| PriceFrom £381 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom £382 | Free Cancellation | Rating 7.6 1,267 reviews | |||
| PriceFrom £391 | Free Cancellation | Rating 7.0 2,651 reviews |
American Airlines Flights From Dublin to Chicago O'Hare Intl Airport
Across 6 American Airlines flights from Dublin to Chicago O'Hare Intl Airport this week, the average price was £659, with the best American Airlines deals starting from £492 round-trip. 10,000 users have rated American Airlines on momondo, with an average score of 7.2/10.
Aer Lingus Flights From Dublin to Chicago O'Hare Intl Airport
Another popular option for Dublin to Chicago O'Hare Intl Airport flights is Aer Lingus (7.0/10, 1,062 ratings). Aer Lingus flies from Dublin to Chicago O'Hare Intl Airport around 4 times per week, with deals starting from £413 round-trip and rising to an average price of around £565.
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Why should I use momondo to find a flight deal from Dublin to Chicago?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dublin to Chicago for you.
Can I find flights from Dublin to Chicago with flexible booking policies on momondo?
Yes. All flights to Chicago from Dublin on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Dublin to Chicago?
momondo provides multiple filters to help you find the best flight to Chicago from Dublin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
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.