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$242+ Cheap flights from O'Hare Intl (ORD) 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
Apr 29 — May 61
Wed 4/29
Wed 5/6
1 adult, Economy
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Find cheap flights from O'Hare Intl to Dublin with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Dublin are usually found in January or February, booked 85 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from O'Hare Intl to Dublin

Cheapest flights from O'Hare Intl to Dublin
Explore the most affordable flight options available from O'Hare Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 30, 2026.

This oojo deal was found by Cheapflights users on 3/26. 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 11/88:15 pm
ORD
-
DUB
1 stop13h 55m
TAP AIR PORTUGAL
Tue 11/174:55 pm
DUB
-
ORD
1 stop28h 05m
TAP AIR PORTUGAL
Deal found 3/26$540
This oojo deal was found by Cheapflights users on 3/28. 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.
Thu 11/57:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sat 11/1410:10 am
DUB
-
ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 3/28$544
This oojo deal was found by Cheapflights users on 3/25. 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.
Tue 10/67:15 pm
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Tue 10/137:05 pm
DUB
-
ORD
1 stop27h 05m
Scandinavian Airlines
Deal found 3/25$549
This Justfly.com deal was found by Cheapflights users on 3/29. 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.
Tue 11/177:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sun 11/227:05 pm
DUB
-
ORD
1 stop27h 40m
Scandinavian Airlines
Deal found 3/29$550
This Booking.com deal was found by Cheapflights users on 3/27. 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.
Wed 11/117:00 pm
ORD
-
DUB
1 stop22h 20m
TAP AIR PORTUGAL
Tue 11/174:55 pm
DUB
-
ORD
1 stop28h 05m
TAP AIR PORTUGAL
Deal found 3/27$551
This flugladen.de deal was found by Cheapflights users on 3/27. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sat 10/3110:10 am
DUB
-
ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 3/27$552
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Thu 10/227:15 pm
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Sat 10/3110:10 am
DUB
-
ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 3/25$555
This Trip.com deal was found by Cheapflights users on 3/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sat 10/3110:10 am
DUB
-
ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 3/28$557
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Wed 10/288:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sat 11/710:10 am
DUB
-
ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 3/26$558
This Trip.com deal was found by Cheapflights users on 3/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sun 11/810:10 am
DUB
-
ORD
1 stop12h 35m
Scandinavian Airlines
Deal found 3/25$559
This oojo deal was found by Cheapflights users on 3/26. 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 11/88:15 pm
ORD
-
DUB
1 stop13h 55m
TAP AIR PORTUGAL
Sat 11/144:55 pm
DUB
-
ORD
1 stop28h 05m
TAP AIR PORTUGAL
Deal found 3/26$560

Find flight deals from O'Hare Intl to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$572
(Kiwi.com)

One-way from

$242
(Kissandfly.com)

Popular in

June

Cheapest in

January

Average price

$648

Good round-trip deal

$689 or less

Good one-way deal

$411 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Dublin flights.
Search Deals
From Chicago O'Hare Intl to Dublin
Search Deals
One-way flight from Chicago O'Hare Intl to Dublin
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Dublin.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Dublin.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 March 30, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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

Mon 8/10

8:20 pm-9:45 am

Nonstop7h 25m

Dublin

Thu 8/20

9:50 am-11:21 am

1 stop31h 31m

$689
Quickest round-trip

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/29

8:15 pm-9:45 am

Nonstop7h 30m

Dublin

Wed 5/6

11:35 am-1:40 pm

Nonstop8h 05m

$697

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 8/3

9:40 pm-7:20 am

1 stop27h 40m

Dublin

Tue 8/11

9:50 am-10:16 am

1 stop30h 26m

$747

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 8/5

8:45 am-7:45 am

1 stop17h 00m

Dublin

Tue 8/18

11:35 am-1:40 pm

Nonstop8h 05m

$766

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 4/12

9:35 pm-7:20 am

1 stop27h 45m

Dublin

Fri 4/24

9:50 am-7:58 am

2 stops28h 08m

$785

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/29

8:15 pm-9:45 am

Nonstop7h 30m

Dublin

Tue 5/5

11:35 am-1:40 pm

Nonstop8h 05m

$796

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 7/29

6:30 am-10:40 am

1 stop22h 10m

Dublin

Sat 8/8

9:50 am-10:19 am

1 stop30h 29m

$807

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 4/23

2:25 pm-8:45 am

1 stop12h 20m

Dublin

Mon 5/4

5:55 am-6:52 pm

2 stops18h 57m

$808

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 9/4

6:10 pm-3:25 pm

2 stops15h 15m

Dublin

Sat 9/12

11:10 am-10:06 pm

2 stops16h 56m

$813

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 4/25

1:29 pm-12:40 pm

2 stops17h 11m

Dublin

Sat 5/2

11:10 am-9:57 pm

2 stops16h 47m

$817

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Dublin in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
GotogatePrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
business-class.comPrice 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 O'Hare Intl Airport-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-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 O'Hare Intl Airport-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 O'Hare Intl to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from O'Hare Intl 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 O'Hare Intl Airport to Dublin

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Dublin?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Dublin. Price data was last updated on March 13, 2026.

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Dublin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Dublin?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Dublin (average of $344). Flying from Chicago O'Hare Intl Airport to Dublin in June is currently the most expensive (average of $656). 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 ORD to DUB?

Find hourly flight availability from O'Hare Intl 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 March 30, 2026.

When flying from Chicago O'Hare Intl Airport to Dublin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Dublin?

The best insider tips for Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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.

Read more
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.

Read more

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 March 30, 2026.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Dublin, such as United Airlines,Aer Lingus, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,514 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,514 reviews
United Airlines
7.4
Good
9,514 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Aer Lingus
7.2
Good
1,493 reviews
United Airlines
7.4
Good
9,514 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,531 reviews
United Airlines
7.4
Good
9,514 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Icelandair
7.0
Good
627 reviews
United Airlines
7.4
Good
9,514 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Iberia
7.0
Good
3,160 reviews
United Airlines
7.4
Good
9,514 reviews

Crew

8.1

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl?

    For a flight from Chicago O'Hare Intl to Dublin, you will be flying into Dublin. Dublin (DUB) is just 5.7 mi from the center of the city. Dublin is the only Dublin airport and it handles 13 inbound flights from Chicago O'Hare Intl per day. 15 airlines have flights to Dublin from Chicago O'Hare Intl on a regular basis.

  • How long is the flight from Chicago O'Hare Intl Airport to Dublin?

    Departing from Chicago O'Hare Intl Airport to Dublin will take you 7h 25m. The distance between Chicago O'Hare Intl Airport and Dublin is about 3661 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Dublin round-trip?

    JetBlue, at $51, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Dublin.Alternate airlines to your destination round-trip include TAP AIR PORTUGAL and Icelandair. JetBlue is priced at 92% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Dublin one-way?

    The cheapest airlines for a one-way flight from Chicago O'Hare Intl Airport to Dublin are JetBlue ($288), Aer Lingus ($300), and British Airways ($364).

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Dublin?

    Consider Air Canada (68%), Austrian Airlines (68%) or Brussels Airlines (68%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Dublin.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Dublin?

    While on average a flight from Chicago O'Hare Intl Airport to Dublin is generally $2,847, our data shows the cheapest flight currently is $322. When looking at the most popular route, (Chicago O'Hare Intl - Dublin), you can expect to pay $574 for that flight.

  • Can I find deals for flights from O'Hare Intl to Dublin that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Dublin?

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

  • Can I find deals for business class flights from O'Hare Intl to Dublin?

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl Airport to Dublin?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Dublin (average of $344). Flying from Chicago O'Hare Intl Airport to Dublin in June is currently the most expensive (average of $656). 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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Alternative routes for O'Hare Intl to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
Midway to Dublin flights
O'Hare Intl to Shannon flights
Midway to Shannon flights
O'Hare Intl to Knock flights
O'Hare Intl to Cork flights

Top 10 airlines flying from O'Hare Intl to Dublin

Discover the top 10 airlines that operate flights from O'Hare Intl 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 March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$51Average$557FlexibilityNo cancel feeOn-time62%
TAP AIR PORTUGALCheapest$274Average$529FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$345Average$561FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$400Average$465FlexibilityNo cancel feeOn-time77%
IberiaCheapest$424Average$700FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$425Average$631FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$469Average$687FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$472Average$825FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$476Average$657FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$477Average$756FlexibilityNo cancel feeOn-time69%

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