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$317+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Dublin are usually found in January or November, booked 58 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap 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 June 16, 2025.

Round-trip from

$564
(United Airlines)

One-way from

$317
(oojo)

Popular in

June

Cheapest in

January

Average price

$924

Good round-trip deal

$647 or less

Good one-way deal

$509 or less
From Chicago O'Hare Intl to Dublin
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One-way flight from Chicago O'Hare Intl to Dublin
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Highest demand for flights based on searches. 17% potential increase in price ($150 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Dublin.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Dublin.
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Find 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 June 16, 2025.

This FlightHub deal was found by Cheapflights users on 6/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:15 pmORD - DUB
2 stops33h 40mScandinavian Airlines
Wed 10/111:45 amDUB - ORD
2 stops34h 25mScandinavian Airlines
Deal found 6/14$568
This JetBlue deal was found by Cheapflights users on 6/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2011:35 amORD - DUB
1 stop14h 45mJetBlue
Sat 8/3011:30 amDUB - ORD
1 stop16h 58mJetBlue
Deal found 6/16$569
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/88:15 pmORD - DUB
Nonstop7h 30mUnited Airlines
Thu 8/2111:35 amDUB - ORD
Nonstop8h 00mUnited Airlines
Deal found 6/13$572
This Mytrip deal was found by Cheapflights users on 6/15. 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.
Tue 7/19:28 pmORD - DUB
2 stops28h 17mMultiple Airlines
Tue 7/89:20 amDUB - ORD
2 stops16h 45mMultiple Airlines
Deal found 6/15$574
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/109:00 amORD - DUB
2 stops17h 15mDelta
Tue 8/196:00 amDUB - ORD
2 stops19h 09mDelta
Deal found 6/15$575
This Flightnetwork deal was found by Cheapflights users on 6/14. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/283:45 pmORD - DUB
Nonstop7h 25mAer Lingus
Wed 8/611:35 amDUB - ORD
Nonstop8h 25mAer Lingus
Deal found 6/14$576
This Finnair deal was found by Cheapflights users on 6/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1310:25 pmORD - DUB
Nonstop7h 15mFinnair
Sun 8/249:45 amDUB - ORD
1 stop14h 05mFinnair
Deal found 6/16$580
This oojo deal was found by Cheapflights users on 6/14. 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.
Wed 9/310:15 pmORD - DUB
1 stop30h 50mIcelandair
Wed 10/112:15 pmDUB - ORD
1 stop12h 00mIcelandair
Deal found 6/14$582
This Air Canada deal was found by Cheapflights users on 6/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/228:40 amORD - DUB
2 stops17h 35mAir Canada
Wed 10/298:00 amDUB - ORD
2 stops17h 25mAir Canada
Deal found 6/15$596
This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/148:50 pmORD - DUB
1 stop15h 15mTAP AIR PORTUGAL
Sat 8/235:30 amDUB - ORD
1 stop17h 00mTAP AIR PORTUGAL
Deal found 6/16$601
This Ovago deal was found by Cheapflights users on 6/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/207:15 pmORD - DUB
1 stop16h 45mBritish Airways
Thu 7/3110:40 amDUB - ORD
1 stop12h 20mBritish Airways
Deal found 6/14$607
This KLM deal was found by Cheapflights users on 6/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/215:00 pmORD - DUB
1 stop11h 00mKLM
Thu 7/3110:00 amDUB - ORD
1 stop14h 07mKLM
Deal found 6/14$608

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 June 16, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Dublin that are best for you.

Fly from

O'Hare Intl

Fly to

Dublin

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 9/22

7:15 pm-10:55 am

2 stops33h 40m

Dublin

Wed 10/1

11:45 am-4:10 pm

2 stops34h 25m

$568

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 8/20

11:35 am-8:20 am

1 stop14h 45m

Dublin

Sat 8/30

11:30 am-10:28 pm

1 stop16h 58m

$569

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 8/8

8:15 pm-9:45 am

Nonstop7h 30m

Dublin

Thu 8/21

11:35 am-1:35 pm

Nonstop8h 00m

$572

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 7/1

9:28 pm-7:45 am

2 stops28h 17m

Dublin

Tue 7/8

9:20 am-8:05 pm

2 stops16h 45m

$574

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 8/10

9:00 am-8:15 am

2 stops17h 15m

Dublin

Tue 8/19

6:00 am-7:09 pm

2 stops19h 09m

$575

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 7/28

3:45 pm-5:10 am

Nonstop7h 25m

Dublin

Wed 8/6

11:35 am-2:00 pm

Nonstop8h 25m

$576

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 8/13

10:25 pm-11:40 am

Nonstop7h 15m

Dublin

Sun 8/24

9:45 am-5:50 pm

1 stop14h 05m

$580

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 9/3

10:15 pm-11:05 am

1 stop30h 50m

Dublin

Wed 10/1

12:15 pm-6:15 pm

1 stop12h 00m

$582

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 10/22

8:40 am-8:15 am

2 stops17h 35m

Dublin

Wed 10/29

8:00 am-8:25 pm

2 stops17h 25m

$596

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 8/14

8:50 pm-6:05 pm

1 stop15h 15m

Dublin

Sat 8/23

5:30 am-4:30 pm

1 stop17h 00m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 36 results
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The best insider tips for Chicago O'Hare Intl Airport to Dublin flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Dublin trip
Airports
ORD

Prepare for long walks between terminals at ORD. Know your airline's terminal to avoid unnecessary delays.

Read more about ORDby Ramsey Qubein
DUB

For a quick ride into Dublin, take the non-stop Aircoach or Dublin Express buses from DUB, departing every 15-30 minutes.

Read more about DUBby James March
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

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

James March

James March

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

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 June 13, 2025.

Booking 58 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, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Dublin (average of $509). Flying from Chicago O'Hare Intl Airport to Dublin in June is currently the most expensive (average of $942). 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 June 16, 2025.

It’s optimal to fly from Chicago O'Hare Intl Airport to Dublin in the morning. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Dublin?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Dublin. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Dublin flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago O'Hare Intl Airport to Dublin

Explore weekly flight availability from O'Hare Intl 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 June 16, 2025.

The most flights from ORD to DUB are scheduled on a Monday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Dublin when rainfall is around 1.9 in.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 June 16, 2025.
Get a feel of what it's like to fly with Singapore Airlines, Delta and KLM from Chicago to Dublin by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,308 reviews

Boarding

8.2

Food

7.7

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,308 reviews
Singapore Airlines
8.1
Very good
1,308 reviews

Boarding

8.2

Food

7.7

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Delta
8.0
Very good
7,963 reviews
Singapore Airlines
8.1
Very good
1,308 reviews

Boarding

8.2

Food

7.7

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
KLM
7.8
Good
1,361 reviews
Singapore Airlines
8.1
Very good
1,308 reviews

Boarding

8.2

Food

7.7

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Finnair
7.6
Good
1,291 reviews
Singapore Airlines
8.1
Very good
1,308 reviews

Boarding

8.2

Food

7.7

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
SWISS
7.5
Good
1,628 reviews
Singapore Airlines
8.1
Very good
1,308 reviews

Boarding

8.2

Food

7.7

Comfort

7.9

Crew

8.6

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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 17 inbound flights from Chicago O'Hare Intl per day. 17 airlines have flights to Dublin from Chicago O'Hare Intl on a regular basis.

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

    United Airlines, at $564, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Dublin.Alternate airlines to your destination round-trip include Scandinavian Airlines and TAP AIR PORTUGAL. United Airlines is priced at 18% 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 TAP AIR PORTUGAL ($317), JetBlue ($331), and Icelandair ($349).

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

    Consider Air France (88%), Air Canada (73%) or Austrian Airlines (73%) 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 $2,258, our data shows the cheapest flight currently is $433. When looking at the most popular route, (Chicago O'Hare Intl - Dublin), you can expect to pay $377 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, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Dublin (average of $509). Flying from Chicago O'Hare Intl Airport to Dublin in June is currently the most expensive (average of $942). 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Maynooth
Castleknock
Swords
Wicklow
Leixlip

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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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$355Average$544FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$393Average$480FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$400Average$484FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$445Average$705FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$473Average$818FlexibilityNo cancel feeOn-time79%
KLMCheapest$482Average$769FlexibilityNo cancel feeOn-time75%
IberiaCheapest$507Average$728FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$519Average$676FlexibilityNo cancel feeOn-time70%
FinnairCheapest$526Average$807FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$526Average$823FlexibilityNo cancel feeOn-time71%

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