CHI - DUB

€190 Find Cheap Flights from Chicago to Dublin

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Dublin departing on 20/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Dublin

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Dublin, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Dublin, as well as popular online travel agencies
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest return fare
€358
Overall average: €467
Scandinavian Airlines
Mon 2/2Sun 15/2
ORD - DUB • 1 stop
Cheapest direct flights
€388
Typical prices: €426-€653
Aer Lingus
Wed 11/2Fri 20/2
ORD - DUB • Direct
Top airlines
Scandinavian Airlines
Cheapest • from €358 (return)
Aer Lingus
Best reviews • 7.2 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Top routes
ORD-DUB
Cheapest
ORD-DUB
Most popular
Insights
Insights
Insights
Insights
When to book
4 weeks
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 23% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 20% price drop
March
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Dublin!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Chicago to Dublin (CHI-DUB)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Chicago to Dublin that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Chicago to Dublin

Mon, 2 Feb - Sun, 15 Feb
Scandinavian Airlines Logo
19:20 - 18:20
ORD
-
DUB
17h 00m1 stop
Scandinavian Airlines Logo
17:15 - 16:45
DUB
-
ORD
29h 30m2 stops
€358Scandinavian Airlines
Thu, 26 Feb - Sun, 1 Mar
Scandinavian Airlines Logo
19:20 - 18:10
ORD
-
DUB
16h 50m2 stops
Scandinavian Airlines Logo
10:10 - 16:45
DUB
-
ORD
12h 35m1 stop
€359Scandinavian Airlines
Mon, 26 Jan - Sun, 1 Feb
Scandinavian Airlines Logo
19:20 - 10:45
ORD
-
DUB
33h 25m2 stops
Scandinavian Airlines Logo
19:05 - 16:45
DUB
-
ORD
27h 40m1 stop
€360Scandinavian Airlines
Sun, 8 Mar - Sat, 14 Mar
Scandinavian Airlines Logo
20:20 - 18:20
ORD
-
DUB
17h 00m1 stop
Scandinavian Airlines Logo
10:10 - 17:45
DUB
-
ORD
12h 35m1 stop
€361Scandinavian Airlines
Wed, 21 Jan - Fri, 30 Jan
Scandinavian Airlines Logo
19:20 - 18:20
ORD
-
DUB
17h 00m1 stop
Scandinavian Airlines Logo
20:20 - 16:45
DUB
-
ORD
26h 25m2 stops
€361Scandinavian Airlines
Tue, 20 Jan - Tue, 27 Jan
Icelandair Logo
18:30 - 10:15
ORD
-
DUB
9h 45m1 stop
Icelandair Logo
11:30 - 17:20
DUB
-
ORD
11h 50m1 stop
€363Icelandair
Wed, 1 Apr - Wed, 8 Apr
Delta Logo
14:05 - 07:55
MDW
-
DUB
11h 50m1 stop
Delta Logo
05:55 - 18:40
DUB
-
MDW
18h 45m2 stops
€412Delta
Tue, 20 Jan - Tue, 27 Jan
Delta Logo
10:48 - 08:45
MDW
-
DUB
15h 57m2 stops
Delta Logo
05:55 - 17:29
DUB
-
MDW
17h 34m2 stops
€413Delta
Wed, 1 Apr - Wed, 8 Apr
KLM Logo
14:03 - 07:55
MDW
-
DUB
11h 52m1 stop
KLM Logo
10:00 - 18:40
DUB
-
MDW
14h 40m1 stop
€415KLM
Wed, 18 Feb - Thu, 26 Feb
KLM Logo
13:28 - 08:05
MDW
-
DUB
12h 37m2 stops
KLM Logo
09:45 - 22:31
DUB
-
MDW
18h 46m1 stop
€420KLM
Booking Insights

KAYAK's insights & trends for Chicago to Dublin flights

Get data-powered insights and trends into flights from Chicago to Dublin to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Chicago to Dublin?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Chicago to Dublin departing in February.

What is the cheapest Chicago to Dublin flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Chicago to Dublin costs €389 on the route between Chicago O'Hare Intl Airport (ORD) and Dublin (DUB). It is also the most popular route.

What’s the cheapest day of the week to fly from Chicago to Dublin?

The average price of all round-trip flights from Chicago to Dublin clicked on KAYAK for each day over the last 12 months.

For Chicago to Dublin, Thursday is the cheapest day to fly on average and Saturday is the most expensive. Flying from Dublin back to Chicago, the best deals are generally found on Thursday, with Tuesday being the most expensive.

What is the cheapest month to fly from Chicago to Dublin?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago to Dublin, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Chicago to Dublin is February, where tickets cost €470 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is €738 and €700 respectively.

Can I save money by flying with a stopover from Chicago to Dublin?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at €650 on average.

How far in advance should I book a flight from Chicago to Dublin?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Chicago to Dublin, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Chicago to Dublin, you should book around 4 weeks before departure, which saves you about 23% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight€190
Best time to beat the crowds (19% less expensive on average)
Most popular time to fly and prices are also 10% lower on average.
Flight from Chicago O'Hare Airport to Dublin

When to book flights from Chicago to Dublin

Are your dates flexible? Find out the best times to travel from Chicago to Dublin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Chicago to Dublin

  • Can I take a moment and rest as I wait for my flight at O’Hare Airport?

    You can take a moment and relax at Hilton O’Hare as you wait to catch your flight. If you plan to fly a day later, the hotel offers accommodation. The terminals feature an elegant Urban Garden designed as a waiting area for travelers. The airport has elevators in all terminals with braille and enhanced numbers for physically challenged passengers to access.

  • Are there changing rooms at O’Hare Airport?

    At Terminal 1, you can find a restroom and a shower room, among other facilities. The changing rooms are accessible via elevator, and they feature a changing table. There are wall-mounted toilets and a modern communication system. The doors to these amenities are automatic, making them safe for any user.

  • Does Dublin airport feature lounges?

    Terminals 1 and 2 feature several waiting rooms where you can read journals and newspapers as you enjoy complimentary refreshments and drinks. What more, the lounges have free Wi-Fi and computer access.

  • Can I get accommodation near Dublin Airport?

    You can access hotels as close as 0.5 miles from the airport. They include Clayton hotel, which offers 24/7 accommodation services. The hotels have comfortable beds, excellent food, and friendly staff. You can access the hotels using the airport shuttle buses that operate 24h a day. There are several classes of rooms depending on your requirements.

  • What is the cheapest flight from Chicago to Dublin?

    In the last 3 days, the lowest price for a flight from Chicago to Dublin was €190 for a one-way ticket and €358 for a return.

  • Which airports will I be using when flying from Chicago to Dublin?

    When flying out of Chicago you will be using one of these airports: Chicago Midway or Chicago O'Hare Intl. You will be landing at Dublin.

  • Which airlines offer Wi-Fi service onboard planes from Chicago to Dublin?

    All the following airlines offer inflight Wi-Fi service on the Chicago to Dublin flight route: American Airlines, Finnair, Aer Lingus, British Airways, Iberia, Lufthansa, United Airlines, Delta, and SWISS.

  • Which aircraft models fly most regularly from Chicago to Dublin?

    The Airbus A330-300 is the aircraft model that flies most regularly on the Chicago to Dublin flight route.

  • Which airline alliances offer flights from Chicago to Dublin?

    Star Alliance is the only airline alliance operating flights between Chicago and Dublin.

  • On which days can I fly direct from Chicago to Dublin?

    There are direct flights from Chicago to Dublin on a daily basis.

  • How does KAYAK find such low prices on flights from Chicago to Dublin?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Dublin.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Dublin?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin from Chicago is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to Dublin?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Dublin with an airline and back to Chicago with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Dublin?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dublin from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Chicago to Dublin

  • Looking for a cheap flight? 25% of our users found flights on this route for €486 or less round-trip.
  • Travelers flying to Dublin can take express flights from Chicago, courtesy of British Airlines and United Airlines. Passengers can commute between the terminals and the parking garage using shuttle buses that O’Hare airport provides. The facility has four terminals that facilitate domestic and international connections.
  • When flying from Chicago, you can depart from O’Hare airport (ORD) or Midway Airport (MDW) for incredible flight services. Expect to land at Dublin airport (DUB) after several hours. Services at Chicago airports include free carry-on bag and luggage inspection. If you want to fly nonstop, you can use Aer Airlines.
  • Dublin Airport (DUB) is the chief option and is the busiest among the airports in Ireland. Travelers enjoy a reliable network of a variety of hauls, both medium and short. The airport is famous for clearing travelers onboard to the US at the border.
  • Accessing Dublin city using a bus or coach offers the most affordable alternative. The availability of these services 24h a day makes it convenient regardless of the time you land at Dublin airport. You can catch the buses in zone 15 at the Dublin Airport Bus Park. The bus fare varies depending on where you want to go.
  • It takes less than 15min for passengers to settle at the boarding gate, thanks to the exceptional services that Dublin Airport has to offer. Premium services at terminals 1 and 2 include drinks and food. Caffe Nero, at Terminal 2 arrivals, sells coffee, tea, and salads.
  • Dublin Airport boasts hosting Our Lady Queen of Heaven for the Catholics and an open room where all denominations can pray. People can access the prayer room at any time of the day since it offers a quiet and peaceful environment.

Prefer to fly direct from Chicago to Dublin?

 
Nonstop data is based off flight results for the next 60 days. Find direct flights from all airlines flying nonstop from Chicago to Dublin.
Find which airlines fly direct from Chicago to Dublin Airport, which days they fly and book direct flights.

Direct departures

Chicago to Dublin

Monday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Tuesday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Wednesday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Thursday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Friday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Saturday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Sunday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

See more direct flights

Direct returns

Dublin to Chicago

Monday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Tuesday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Wednesday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Thursday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Friday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Saturday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

Sunday

Aer Lingus, United Airlines

Aer Lingus, United Airlines

See more direct flights

Reviews of the top airline flying from Chicago to Dublin

 
See real verified KAYAK customer reviews for airlines flying from Chicago to Dublin. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Chicago to Dublin? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
Aer LingusOverall score based on 1412 reviews
7.4Boarding
7.1Comfort
6.9Entertainment
8.0Crew
6.6Food
Airline reviews

Canceled my flight couple hours before takeoff. They could not find a decent re-routing and refused to pay for when i subjected alternative with Lufthansa.

2.0 MediocreStefan, Dec 2025
SFO - DUB
Read more Aer Lingus reviews

Canceled my flight couple hours before takeoff. They could not find a decent re-routing and refused to pay for when i subjected alternative with Lufthansa.

Seats a little to soft on the SFO DUB flight

I was not admitted to the flight!!! I need a refund for this

Well, I think we left close to on time. Crew was “eh”.

This is a bit of a rant, but I'll try to keep it civil. The flight was delayed for 2 hours with almost ZERO updates from agents. Just "there's technical issues, we don't know if or when it'll be resolved" once an hour maybe? And the gate signs, and app never updated to show the delay until it was finally resolved. So when I called Aer Lingus to see if I could rebook, I had literally the dumbest conversation with the person on the phone there where he says "It's showing your flight departed at 11:10. So it's already departed!", where I responded, "Well, it's 12:45 and I'm on the phone with you, standing in the airport, staring at the plane. So...I'm not sure what your system is saying, but we aren't in the air right now.". He said "Nothing I can do. Since it doesn't show delayed in my system, you would be charged to reschedule." Once we finally departed 2 hours late, things were going smoothly as I would expect, except in another very strange way. The stewardesses were rolling the cart down the aisle offering drinks and I asked for a water, to which they said "Sure, you can buy a bottle". I'm not sure if this is an Aer Lingus thing. Maybe something I'd expect from Ryan Air, but for a 3 hour international flight, to not have complimentary water available for customers is an absolute first, in 15 years of flying for me. I'm not upset with the plane staff at all. They were very friendly, but Aer Lingus' policies, how they handled the delay, and the unbelievable conversation with the customer service representative, leaves a lot to be desired in those areas. Also, I'm not upset about the delay. Things happen. Technical issues. But this is a place where airlines really need to clearly communicate with their customers. They also changed gates from 12N to 13N and there was no notification on any app, or announcement over the PA. End of rant. I hope they get some feedback on how to improve communication, because otherwise, they were great. And the second leg of my trip was incredibly smooth - no nickle and diming water, no communication issues. Very professional and efficient and even landed early

The folks and flights were fantastic. I unfortunately wasn’t able to order a meal that I could eat (I’m gluten free) because I got my ticket through kayak, but they tried their best to find something to help me get through the long flight and I’ll forever remember their kindness.

Seats are terribly cramped. I’m only 5’2” and my knees were practically in my face. No room to put a normal size bag under the seat and when the person in front of you reclined their seat your tray table was in your lap. This is the airline’s way of cramming more seats into the plane to make more money. I’ll think twice about taking Aer Lingus again since there are a few other options from Boston to the Emerald Isle.

Couldn’t check In online, message was couldn’t check in until Sunday morning though plane left Saturday night. Checked in okay at airport but caused slot if stress.

It all went very well, except for the ramp coordination upon landing in Boston. That, however, was resolved in fairly short order.

NOTE. Aer Lingus does not accept American Express. I was denied boarding because I could not pay the fee for my oversized bag. I did not have another credit or debit card. Moreover, at CDG, I needed to check my bag at one location, go to another location to check my oversized bag and a THIRD location to pay for my oversized bag. Hence, once I was denied boarding, my bags were already en route to the plane. To retrieve them I needed to go to a FOURTH location in another part of the terminal. Last, Aer Lingus will not reimburse me for any portion of my ticket. I lost $1000 bc Aer Lingus doesn’t accept American Express at the CDG counter even though I paid for my ticket through the Kayak link with Amex. Kayak should remedy this situation if they want to continue to partner with Aer Lingus.

Everything you need to know for your flight from Chicago to Dublin

Information on your arrival and departure airports