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$313+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DUB
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Dublin are usually found in February or January, booked 73 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap 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 June 12, 2025.

Round-trip from

$569
(JetBlue)

One-way from

$338
(JetBlue)

Popular in

June

Cheapest in

February

Average price

$892

Good round-trip deal

$646 or less

Good one-way deal

$509 or less
From Chicago (CHI) to Dublin
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One-way flight from Chicago (CHI) to Dublin
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Highest demand for flights based on searches. 17% potential increase in price ($144 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 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 (CHI) to Dublin.
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Price to beat on a one-way flight from Chicago (CHI) to Dublin.
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Find 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 June 12, 2025.

This JetBlue deal was found by Cheapflights users on 6/12. 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
Thu 9/410:40 amDUB - ORD
1 stop13h 15mJetBlue
Deal found 6/12$569
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1510:35 pmORD - DUB
1 stop12h 40mAmerican Airlines
Fri 8/221:45 pmDUB - ORD
Nonstop8h 00mAmerican Airlines
Deal found 6/12$570
This Ovago deal was found by Cheapflights users on 6/12. 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 8/108:15 pmORD - DUB
Nonstop7h 30mSWISS
Mon 8/186:40 pmDUB - ORD
1 stop27h 15mSWISS
Deal found 6/12$571
This oojo deal was found by Cheapflights users on 6/12. 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 8/217:15 pmORD - DUB
2 stops18h 45mScandinavian Airlines
Sun 8/249:45 pmDUB - ORD
2 stops24h 25mScandinavian Airlines
Deal found 6/12$573
This Delta deal was found by Cheapflights users on 6/12. 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 8/106:20 pmMDW - DUB
1 stop9h 40mDelta
Tue 8/1911:00 amDUB - MDW
1 stop16h 49mDelta
Deal found 6/12$573
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Thu 7/313:50 pmORD - DUB
1 stop10h 25mAir Canada
Tue 8/199:20 amDUB - ORD
2 stops28h 39mAir Canada
Deal found 6/11$574
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/85:51 amORD - DUB
2 stops20h 24mMultiple Airlines
Tue 7/159:20 amDUB - ORD
2 stops16h 40mMultiple Airlines
Deal found 6/11$575
This Iberia deal was found by Cheapflights users on 6/11. 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.
Thu 7/3111:52 amORD - DUB
1 stop12h 38mIberia
Thu 8/211:45 pmDUB - ORD
Nonstop8h 00mIberia
Deal found 6/11$577
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 8/79:40 amMDW - DUB
1 stop18h 50mMultiple Airlines
Thu 8/219:45 amDUB - MDW
2 stops36h 39mMultiple Airlines
Deal found 6/12$577
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 9/29:31 pmORD - DUB
1 stop27h 39mUnited Airlines
Tue 9/169:20 amDUB - ORD
1 stop32h 03mUnited Airlines
Deal found 6/11$579
This Finnair deal was found by Cheapflights users on 6/11. 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 6/11$580
This KLM deal was found by Cheapflights users on 6/12. 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.
Thu 10/232:00 pmMDW - DUB
1 stop11h 55mKLM
Thu 11/69:45 amDUB - MDW
1 stop14h 22mKLM
Deal found 6/12$583

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 June 12, 2025.
Use the filters below to find and compare flights from Chicago to Dublin that are best for you.

Fly from

Chicago

Fly to

Dublin

Route

Depart

Return

Price

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 8/15

10:35 pm-5:15 pm

1 stop12h 40m

Dublin

Fri 8/22

1:45 pm-3:45 pm

Nonstop8h 00m

$570

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 7/28

2:20 pm-12:10 pm

1 stop15h 50m

Dublin

Thu 8/7

9:20 am-8:16 pm

1 stop16h 56m

$571

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 8/8

8:40 am-7:45 am

1 stop17h 05m

Dublin

Wed 8/20

11:35 am-1:35 pm

Nonstop8h 00m

$572

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 8/21

7:15 pm-8:00 pm

2 stops18h 45m

Dublin

Sun 8/24

9:45 pm-4:10 pm

2 stops24h 25m

$573

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Sun 8/10

6:20 pm-10:00 am

1 stop9h 40m

Dublin

Tue 8/19

11:00 am-9:49 pm

1 stop16h 49m

$573

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 7/31

11:52 am-6:30 am

1 stop12h 38m

Dublin

Thu 8/21

1:45 pm-3:45 pm

Nonstop8h 00m

$577

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Thu 8/7

9:40 am-10:30 am

1 stop18h 50m

Dublin

Thu 8/21

9:45 am-4:24 pm

2 stops36h 39m

$577

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

Sat 8/9

4:55 pm-9:35 am

1 stop10h 40m

Dublin

Tue 8/19

8:20 pm-11:55 am

1 stop21h 35m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 42 results
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The best insider tips for Chicago 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 to Dublin trip
Airports
ORD

For a quick departure, use the free shuttle train between terminals at ORD, especially if your flight is from Terminal 5.

Read more about ORDby Ramsey Qubein
DUB

For a smooth arrival at DUB, use the Aircoach for a quick, non-stop ride to central Dublin, departing every 15 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 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?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Dublin. Price data was last updated on June 9, 2025.

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 73 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, November is the cheapest month in which you can book a flight from Chicago to Dublin (average of $509). Flying from Chicago to Dublin in June is currently the most expensive (average of $947). 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 June 12, 2025.

It’s optimal to fly from Chicago to Dublin at noon. By choosing this option you can save up to 5% on the cost of your flight, compared to a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Chicago to Dublin. Price data was last updated on June 30, 2024.

Travelers seeking maximum savings on their Chicago to Dublin flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 June 12, 2025.

The most flights from CHI 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 12, 2025.
Get a feel of what it's like to fly with Delta, Porter Airlines and KLM from Chicago to Dublin by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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!
Porter Airlines
8.0
Very good
288 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 Transat
7.8
Good
396 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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 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 17 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 17 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.

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

    According to our current data, JetBlue ($569), American Airlines ($570), and United Airlines ($572) offers the cheapest pricing from Chicago to Dublin. You may be able to fly from Chicago to Dublin for 16% 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 $338 on JetBlue. Other airlines that offer cheap prices include Icelandair from $355 and Scandinavian Airlines from $364 one-way.

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

    Consider Air France (89%), American Airlines (74%) or British Airways (73%) 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 $2,798 for a flight from Chicago to Dublin. The cheapest flight overall is $431 while the most popular route, (Chicago O'Hare Intl - Dublin) is currently priced at $374.

  • Where are the most common layover locations when flying from Chicago to Dublin?

    Chicago to Dublin flights have a layover in Reykjavik most often.

  • What are some popular things to do or see while on a layover in Reykjavik?

    Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are currently the most popular points of interest in Reykjavik at the moment. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool can be visited by traveling about 23.2 mi, 23.3 mi, and 24.6 mi respectively from Reykjavik Keflavik Intl. Those looking to explore during their layover in Reykjavik can rent a car from Reykjavik Keflavik Intl for about $66 per day.

  • Where are the least popular layover locations for Chicago to Dublin flights?

    Chicago to Dublin flights have a layover in Stockholm least often.

  • 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, November is the cheapest month in which you can book a flight from Chicago to Dublin (average of $509). Flying from Chicago to Dublin in June is currently the most expensive (average of $947). 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

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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 June 12, 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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