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$291+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 julio 3, 2025.

Round-trip from

$548
(Delta)

One-way from

$291
(Expedia)

Popular in

June

Cheapest in

January

Average price

$807

Good round-trip deal

$639 or less

Good one-way deal

$511 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 July 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 julio 3, 2025.

This oojo deal was found by Cheapflights users on 7/3. 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.
dom. 8/316:00 pmORD - DUB
1 stop18h 05mTAP AIR PORTUGAL
sáb. 9/65:30 amDUB - ORD
1 stop17h 00mTAP AIR PORTUGAL
Deal found 7/3$547
This Delta deal was found by Cheapflights users on 7/3. 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.
vie. 9/192:05 pmORD - DUB
1 stop14h 40mDelta
vie. 10/312:00 pmDUB - ORD
1 stop15h 23mDelta
Deal found 7/3$548
This Scandinavian Airlines deal was found by Cheapflights users on 7/3. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/57:15 pmORD - DUB
2 stops33h 40mScandinavian Airlines
mar. 10/1411:45 amDUB - ORD
2 stops58h 25mScandinavian Airlines
Deal found 7/3$553
This Priceline deal was found by Cheapflights users on 7/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/103:35 pmORD - DUB
1 stop10h 10mAir Canada
mar. 8/199:20 amDUB - ORD
2 stops14h 17mAir Canada
Deal found 7/3$554
This Iberia deal was found by Cheapflights users on 7/2. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/104:30 pmORD - DUB
1 stop19h 10mIberia
mar. 8/1912:40 pmDUB - ORD
1 stop14h 17mIberia
Deal found 7/2$555
This United deal was found by Cheapflights users on 7/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/102:07 pmORD - DUB
1 stop11h 38mMultiple Airlines
mar. 8/199:50 amDUB - ORD
1 stop29h 19mMultiple Airlines
Deal found 7/1$556
This JetBlue deal was found by Cheapflights users on 7/3. 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.
sáb. 8/99:40 amORD - DUB
1 stop17h 20mJetBlue
mar. 8/1211:30 amDUB - ORD
1 stop16h 58mJetBlue
Deal found 7/3$558
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/303:45 pmORD - DUB
Nonstop7h 25mAer Lingus
mar. 10/144:40 pmDUB - ORD
Nonstop8h 20mAer Lingus
Deal found 7/2$564
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/158:52 amORD - DUB
1 stop19h 28mUnited Airlines
vie. 8/229:20 amDUB - ORD
1 stop35h 34mUnited Airlines
Deal found 7/2$566
This oojo deal was found by Cheapflights users on 7/3. 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.
vie. 10/107:25 pmORD - DUB
1 stop11h 50mIcelandair
dom. 10/1212:15 pmDUB - ORD
1 stop12h 00mIcelandair
Deal found 7/3$575
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
dom. 8/102:10 pmORD - DUB
1 stop14h 35mKLM
mar. 8/1911:10 amDUB - ORD
2 stops16h 25mKLM
Deal found 7/1$579
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2211:25 amORD - DUB
1 stop16h 10mTurkish Airlines
mié. 10/294:50 pmDUB - ORD
1 stop23h 15mTurkish Airlines
Deal found 7/2$585

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 julio 3, 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

dom. 8/31

6:00 pm-6:05 pm

1 stop18h 05m

Dublin

sáb. 9/6

5:30 am-4:30 pm

1 stop17h 00m

$547

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

vie. 9/19

10:15 am-10:45 am

1 stop18h 30m

Dublin

jue. 10/2

11:00 am-11:52 pm

1 stop18h 52m

$548

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 8/10

3:35 pm-7:45 am

1 stop10h 10m

Dublin

mar. 8/19

9:20 am-5:37 pm

2 stops14h 17m

$554

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 8/10

4:30 pm-5:40 pm

1 stop19h 10m

Dublin

mar. 8/19

12:40 pm-8:57 pm

1 stop14h 17m

$555

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 8/10

8:15 pm-9:45 am

Nonstop7h 30m

Dublin

mar. 8/19

9:50 am-9:09 am

1 stop29h 19m

$556

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

sáb. 8/9

9:40 am-9:00 am

1 stop17h 20m

Dublin

mar. 8/12

11:30 am-10:28 pm

1 stop16h 58m

$558

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mar. 9/30

3:45 pm-5:10 am

Nonstop7h 25m

Dublin

mar. 10/14

4:40 pm-7:00 pm

Nonstop8h 20m

$564

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

vie. 8/15

8:52 am-10:20 am

1 stop19h 28m

Dublin

vie. 8/22

9:20 am-2:54 pm

1 stop35h 34m

$566

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 8/10

2:10 pm-10:45 am

1 stop14h 35m

Dublin

mar. 8/19

11:10 am-9:35 pm

2 stops16h 25m

$579

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mar. 9/9

7:15 pm-6:15 pm

1 stop17h 00m

Dublin

dom. 9/21

5:00 pm-4:10 pm

1 stop29h 10m

$584

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 18 results
1
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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 27, 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 $929). 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 julio 3, 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 8% on the cost of your flight, compared to a flight in the afternoon.

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 julio 3, 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).

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 julio 3, 2025.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Dublin, such as Delta, KLM, and Air France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,473 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,654 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,845 reviews
Delta
8.0
Very good
7,970 reviews

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection 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?

    Delta, at $548, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Dublin.Alternate airlines to your destination round-trip include Aer Lingus and TAP AIR PORTUGAL. Delta is priced at 20% 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 ($291), Icelandair ($326), and WestJet ($336).

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

    Consider Air France (88%), Air Canada (63%) or Austrian Airlines (63%) 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 $3,464, our data shows the cheapest flight currently is $407. When looking at the most popular route, (Chicago O'Hare Intl - Dublin), you can expect to pay $354 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 $929). 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$355Average$549FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$393Average$481FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$400Average$484FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$446Average$707FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$473Average$818FlexibilityNo cancel feeOn-time79%
KLMCheapest$482Average$731FlexibilityNo cancel feeOn-time75%
IberiaCheapest$511Average$732FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$519Average$660FlexibilityNo cancel feeOn-time70%
FinnairCheapest$526Average$821FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$526Average$828FlexibilityNo cancel feeOn-time71%

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