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$421+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DUB
abr. 30 — may. 71
mié. 4/30
mié. 5/7
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Dublin are usually found in February or November, booked 56 days in advance, depart on a Tuesday or Sunday and return on a Friday

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 abril 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$594
(Mytrip)

One-way from

$421
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$705

Good round-trip deal

$710 or less

Good one-way deal

$513 or less
Provider with most accurate pricing for Chicago (CHI)-Dublin flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Dublin flights.
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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. 20% potential increase in price ($173 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 25, 2025.

This Mytrip deal was found by Cheapflights users on 4/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/148:25 pmORD - DUB
2 stops30h 00mMultiple Airlines
dom. 6/2211:30 amDUB - ORD
1 stop27h 39mMultiple Airlines
Deal found 4/25$594
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/25. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/226:00 pmORD - DUB
1 stop18h 05mTAP AIR PORTUGAL
vie. 10/314:25 amDUB - ORD
1 stop16h 50mTAP AIR PORTUGAL
Deal found 4/25$595
This Scandinavian Airlines deal was found by Cheapflights users on 4/24. 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.
mar. 9/1610:10 amORD - DUB
2 stops19h 40mScandinavian Airlines
vie. 9/2611:45 amDUB - ORD
2 stops34h 25mScandinavian Airlines
Deal found 4/24$597
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
mar. 6/109:40 amMDW - DUB
1 stop18h 20mMultiple Airlines
mié. 6/2510:20 amDUB - MDW
2 stops28h 25mMultiple Airlines
Deal found 4/23$598
This JetBlue deal was found by Cheapflights users on 4/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/111:35 pmORD - DUB
1 stop12h 45mJetBlue
jue. 10/1611:30 amDUB - ORD
1 stop15h 24mJetBlue
Deal found 4/25$599
This United Airlines deal was found by Cheapflights users on 4/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/88:15 pmORD - DUB
Nonstop7h 30mUnited Airlines
jue. 8/219:20 amDUB - ORD
1 stop16h 56mUnited Airlines
Deal found 4/25$601
This Delta deal was found by Cheapflights users on 4/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/31:00 pmMDW - DUB
2 stops13h 45mDelta
mar. 11/119:45 amDUB - MDW
1 stop14h 22mDelta
Deal found 4/25$602
This Ovago deal was found by Cheapflights users on 4/25. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/58:15 pmORD - DUB
Nonstop7h 30mSWISS
lun. 8/186:40 pmDUB - ORD
1 stop27h 15mSWISS
Deal found 4/25$605
This Air Canada deal was found by Cheapflights users on 4/24. 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.
jue. 10/309:50 amORD - DUB
1 stop15h 20mAir Canada
vie. 11/79:00 amDUB - ORD
2 stops29h 00mAir Canada
Deal found 4/24$610
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
mié. 11/56:30 pmORD - DUB
1 stop9h 45mIcelandair
dom. 11/911:30 amDUB - ORD
1 stop11h 50mIcelandair
Deal found 4/24$611
This Delta deal was found by Cheapflights users on 4/24. 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.
jue. 12/257:05 amORD - DUB
1 stop18h 40mDelta
vie. 1/910:45 amDUB - ORD
1 stop18h 01mDelta
Deal found 4/24$623
This KLM deal was found by Cheapflights users on 4/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/222:00 pmMDW - DUB
1 stop11h 55mKLM
sáb. 11/19:45 amDUB - MDW
1 stop13h 22mKLM
Deal found 4/25$623

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 abril 25, 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

sáb. 6/14

8:25 pm-8:25 am

2 stops30h 00m

Dublin

dom. 6/22

11:30 am-9:09 am

1 stop27h 39m

$594

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

mar. 6/10

9:40 am-10:00 am

1 stop18h 20m

Dublin

mié. 6/25

10:20 am-8:45 am

2 stops28h 25m

$598

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mié. 5/14

4:03 pm-8:20 am

1 stop10h 17m

Dublin

mié. 5/21

11:30 am-9:54 pm

1 stop16h 24m

$607

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

lun. 5/5

8:15 pm-6:15 pm

1 stop16h 00m

Dublin

dom. 5/11

10:15 am-6:25 pm

1 stop14h 10m

$617

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

sáb. 7/19

9:31 pm-7:10 am

1 stop27h 39m

Dublin

mar. 7/29

9:20 am-5:38 am

1 stop26h 18m

$624

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

lun. 7/14

6:10 pm-10:00 am

1 stop33h 50m

Dublin

vie. 7/18

5:30 am-4:10 pm

1 stop16h 40m

$642

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

sáb. 7/19

6:15 pm-7:45 am

2 stops31h 30m

Dublin

dom. 7/27

9:20 am-2:49 pm

1 stop35h 29m

$687

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mié. 7/16

10:25 pm-11:40 am

Nonstop7h 15m

Dublin

mié. 7/23

1:45 pm-3:45 pm

Nonstop8h 00m

$694

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 7/20

2:20 pm-7:05 pm

2 stops22h 45m

Dublin

lun. 7/28

1:00 pm-3:55 pm

1 stop32h 55m

$703

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

mar. 6/24

1:47 pm-7:55 am

1 stop12h 08m

Dublin

mar. 8/26

5:55 am-6:28 pm

2 stops18h 33m

$710

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 35 results
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
GotogatePrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-Dublin flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Dublin. Price data was last updated on April 18, 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 56 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 $1,006). 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 abril 25, 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 abril 25, 2025.

The most flights from CHI to DUB are scheduled on a Monday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 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 abril 25, 2025.
Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines 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
7,920 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,444 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 11 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 16 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, Scandinavian Airlines ($617), United Airlines ($624), and JetBlue ($627) offers the cheapest pricing from Chicago to Dublin. You may be able to fly from Chicago to Dublin for 10% 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 $433 on Scandinavian Airlines. Other airlines that offer cheap prices include WestJet from $435 and TAP AIR PORTUGAL from $442 one-way.

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

    Consider American Airlines (73%), Aer Lingus (73%) 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 $1,571 for a flight from Chicago to Dublin. The cheapest flight overall is $441 while the most popular route, (Chicago O'Hare Intl - Dublin) is currently priced at $385.

  • 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 $47 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 $1,006). 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 abril 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$196Average$200FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$341Average$484FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$355Average$555FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$393Average$473FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$444Average$709FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$482Average$769FlexibilityNo cancel feeOn-time75%
IberiaCheapest$509Average$731FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$519Average$638FlexibilityNo cancel feeOn-time70%
FinnairCheapest$526Average$811FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$526Average$814FlexibilityNo cancel feeOn-time71%

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