Dublin

$298+ Cheap flights from Chicago (CHI) to Dublin (DUB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DUB
Jun 2 — Jun 91
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Find cheap flights from Chicago to Dublin with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago to Dublin are usually found in January or February, booked 89 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Chicago to Dublin

Cheapest flights from Chicago to Dublin
Explore the most affordable flight options available from Chicago to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.

This Super.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 pm
ORD
-
DUB
1 stop9h 45m
Icelandair
Tue 11/1711:30 am
DUB
-
ORD
1 stop11h 50m
Icelandair
Deal found 4/28$618
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:30 pm
ORD
-
DUB
1 stop9h 45m
Icelandair
Wed 11/1811:30 am
DUB
-
ORD
1 stop11h 50m
Icelandair
Deal found 4/29$619
This KAYAK deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sun 11/157:05 pm
DUB
-
ORD
1 stop27h 40m
Scandinavian Airlines
Deal found 5/2$623
This CrystalTravel deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:30 pm
ORD
-
DUB
1 stop9h 45m
Icelandair
Tue 12/811:30 am
DUB
-
ORD
1 stop11h 50m
Icelandair
Deal found 4/28$624
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:15 pm
ORD
-
DUB
2 stops17h 10m
Scandinavian Airlines
Sun 10/257:05 pm
DUB
-
ORD
1 stop27h 40m
Scandinavian Airlines
Deal found 4/30$625
This oojo deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:30 pm
ORD
-
DUB
1 stop9h 45m
Icelandair
Mon 11/911:30 am
DUB
-
ORD
1 stop11h 50m
Icelandair
Deal found 4/28$627
This oojo deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:15 pm
ORD
-
DUB
2 stops17h 10m
Scandinavian Airlines
Thu 10/227:05 pm
DUB
-
ORD
1 stop27h 05m
Scandinavian Airlines
Deal found 4/28$630
This Justfly.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:30 pm
ORD
-
DUB
1 stop9h 45m
Icelandair
Thu 11/1211:30 am
DUB
-
ORD
1 stop11h 50m
Icelandair
Deal found 4/29$631
This Gotogate deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:30 pm
ORD
-
DUB
1 stop9h 45m
Icelandair
Tue 11/1711:30 am
DUB
-
ORD
1 stop11h 50m
Icelandair
Deal found 4/29$632
This Justfly.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:15 pm
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Wed 10/217:05 pm
DUB
-
ORD
1 stop27h 05m
Scandinavian Airlines
Deal found 5/2$635
This Booking.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:10 pm
ORD
-
DUB
1 stop14h 00m
TAP AIR PORTUGAL
Tue 11/174:55 pm
DUB
-
ORD
1 stop28h 35m
TAP AIR PORTUGAL
Deal found 4/28$638
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2510:30 am
MDW
-
DUB
1 stop18h 15m
Multiple Airlines
Wed 6/39:40 am
DUB
-
MDW
2 stops29h 55m
Multiple Airlines
Deal found 5/2$669

Find flight deals from Chicago to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$625
(oojo)

One-way from

$298
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$714

Good round-trip deal

$882 or less

Good one-way deal

$459 or less
Provider with most accurate pricing for Chicago (CHI)-Dublin flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Dublin flights.
From Chicago (CHI) to Dublin
One-way flight from Chicago (CHI) to Dublin
Highest demand for flights based on searches. 14% potential increase in price ($114 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Chicago (CHI) to Dublin.
Price to beat on a one-way flight from Chicago (CHI) to Dublin.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 3, 2026.
Use the filters below to find and compare flights from Chicago to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 9/9

3:40 pm-7:45 am

1 stop10h 05m

Dublin

Thu 9/17

11:35 am-1:40 pm

Nonstop8h 05m

$701

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 9/2

10:30 am-8:15 am

2 stops15h 45m

Dublin

Wed 9/16

11:10 am-10:06 pm

2 stops16h 56m

$714

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 8/24

6:30 am-10:40 am

1 stop22h 10m

Dublin

Thu 9/3

9:50 am-10:16 am

1 stop30h 26m

$747

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 9/8

7:05 am-11:10 am

1 stop22h 05m

Dublin

Tue 9/22

9:50 am-7:44 am

2 stops27h 54m

$752

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 8/4

9:15 pm-6:50 pm

1 stop15h 35m

Dublin

Tue 8/18

7:30 pm-1:50 pm

1 stop24h 20m

$763

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 9/23

8:20 pm-9:45 am

Nonstop7h 25m

Dublin

Wed 9/30

11:35 am-1:40 pm

Nonstop8h 05m

$763

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 10/29

11:15 am-10:20 am

1 stop18h 05m

Dublin

Sat 11/7

10:40 am-1:20 pm

Nonstop8h 40m

$797
Quickest round-trip

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 7/18

10:20 pm-11:50 am

Nonstop7h 30m

Dublin

Tue 8/25

9:30 am-11:30 am

Nonstop8h 00m

$823

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 9/29

8:20 pm-9:45 am

Nonstop7h 25m

Dublin

Sun 10/11

11:35 am-1:40 pm

Nonstop8h 05m

$823

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Tue 8/4

12:41 pm-8:45 am

1 stop14h 04m

Dublin

Tue 8/18

5:55 am-4:27 pm

2 stops16h 32m

$840

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 40 resultsSorted by cheapest first
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Compare providers for flights from Chicago to Dublin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Dublin in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

The price you pay for your flight from Chicago to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 22 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago to Dublin?

Currently, February is the cheapest month in which you can book a flight from Chicago to Dublin (average of $340). Flying from Chicago to Dublin in November is currently the most expensive (average of $1,906). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to DUB?

Find hourly flight availability from Chicago to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 3, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Dublin as you normally would.

Weekly flight availability from Chicago to Dublin

Explore weekly flight availability from Chicago to Dublin. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 3, 2026.

The most flights from CHI to DUB are scheduled on a Monday (14 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (13 on average).

How much does it cost to fly round-trip from Chicago to Dublin?

What’s the top layover airport for flights from Chicago to Dublin?

Share of 1-stop round-trip flights from Chicago to Dublin chosen by Cheapflights users in the past 12 months, using the same layover each way.

Lisbon (LIS) – chosen by Cheapflights users on 50% of 1-stop itineraries from Chicago to Dublin on Cheapflights.

What’s the cheapest layover airport for flights from Chicago to Dublin?

Average round-trip fare for 1-stop flights from Chicago to Dublin, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $492.

What’s the fastest layover option from Chicago to Dublin?

Shortest average travel time for 1-stop one-way flights from Chicago to Dublin, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Lisbon (LIS) have the shortest average one-way travel time for 1-stop routes: 17h 50m.

Which airport typically offers the quickest layover for flights from Chicago to Dublin?

Average layover duration for 1-stop one-way flights from Chicago to Dublin, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Lisbon (LIS) offer the fastest connection on this route, with an average layover time of 5h 40m.

How often are flights from Chicago to Dublin delayed?

About 22% of weekly flights between Chicago and Dublin have experienced delays in the past year, with the average delay time being 156 minutes.

What is the most punctual flight time for Chicago to Dublin flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to Dublin flights?

Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 19% of flights being delayed.

The best insider tips for Chicago to Dublin flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago to Dublin trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

James March

James March

Expert on DUB

For UK-based James March, nothing beats the thrill and chaos of arriving in a new city for the first time, and he tries to put that feeling into his writing and inspire others to travel too. From Birmingham to Blackpool and Leicester to Liverpool, James has reviewed hotels, written narratives and created guides for those who love to travel.

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated May 3, 2026.
Get a feel of what it's like to fly with United Airlines,Aer Lingus, andAmerican Airlines from Chicago to Dublin by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Dublin from Chicago?

    Dublin (DUB) is the airport you will fly into if you book a flight from Chicago to Dublin. You should not have trouble finding flights to Dublin from Chicago; the airport handles an average of 13 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 15 airlines have flights to the Dublin airport from Chicago. It is only a 5.7 mi journey from Dublin (DUB) to Dublin’s city center.

  • How long is the flight from Chicago to Dublin?

    For as low as $701, United Airlines can have you in Dublin from Chicago in 10h 05m. The distance from Chicago to Dublin is about 3661 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago to Dublin round-trip?

    According to our current data, JetBlue ($51), Icelandair ($345), and Scandinavian Airlines ($400) offers the cheapest pricing from Chicago to Dublin. You may be able to fly from Chicago to Dublin for 92% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Chicago to Dublin one-way?

    One-way options have recently been found by users for as low as $288 on JetBlue. Other airlines that offer cheap prices include Aer Lingus from $298 and United Airlines from $395 one-way.

  • What are the most reliable airlines from Chicago to Dublin?

    Consider Air Canada (79%), Austrian Airlines (78%) or Brussels Airlines (78%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Dublin.

  • What are the cheapest flights from Chicago to Dublin?

    On average you can expect to pay $2,958 for a flight from Chicago to Dublin. The cheapest flight overall is $368 while the most popular route, (Chicago O'Hare Intl - Dublin) is currently priced at $608.

  • Can I find deals for flights from Chicago to Dublin that include hotel bookings?

    Yes. In addition to deals on Chicago to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Dublin.

  • Can I find deals for business class flights from Chicago to Dublin?

    Yes. Cheapflights offers flight deals from Chicago to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Dublin?

    Currently, February is the cheapest month in which you can book a flight from Chicago to Dublin (average of $340). Flying from Chicago to Dublin in November is currently the most expensive (average of $1,906). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Maynooth
Castleknock
Leixlip

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Top 10 airlines flying from Chicago to Dublin

Discover the top 10 airlines that operate flights from Chicago to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$576FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$345Average$546FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$400Average$470FlexibilityNo cancel feeOn-time77%
IberiaCheapest$424Average$730FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$425Average$660FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$469Average$692FlexibilityNo cancel feeOn-timeN/A
Brussels AirlinesCheapest$469Average$640FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$472Average$851FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$474Average$761FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$476Average$724FlexibilityNo cancel feeOn-time76%

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