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$398+ Cheap flights from Chicago (CHI) to Ireland

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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DUB
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheap flight deals from Chicago to Ireland

Keep the following information in mind while searching for Chicago to Ireland flight deals. Data was last updated abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$582
(United Airlines)

One-way from

$398
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$702

Good round-trip deal

$704 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 Ireland
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One-way flight from Chicago (CHI) to Ireland
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Highest demand for flights based on searches. 20% potential increase in price ($178 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 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 Ireland.
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Price to beat on a one-way flight from Chicago (CHI) to Ireland.
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Find flight deals from Chicago to Ireland

Cheapest flights from Chicago to Ireland
Explore the most affordable flight options available from Chicago to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

This Air Canada deal was found by Cheapflights users on 4/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/1310:56 amORD - DUB
2 stops14h 49mAir Canada
sáb. 8/239:20 amDUB - ORD
1 stop11h 31mAir Canada
Deal found 4/16$501
This oojo deal was found by Cheapflights users on 4/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/97:15 pmORD - DUB
1 stop17h 00mScandinavian Airlines
dom. 9/217:15 pmDUB - ORD
2 stops26h 55mScandinavian Airlines
Deal found 4/16$503
This United Airlines deal was found by Cheapflights users on 4/17. 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.
mar. 8/56:05 pmORD - SNN
Nonstop7h 25mUnited Airlines
mié. 8/209:30 amSNN - ORD
Nonstop8h 15mUnited Airlines
Deal found 4/17$562
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/279:31 pmORD - DUB
1 stop30h 49mUnited Airlines
mar. 10/79:50 amDUB - ORD
1 stop31h 03mUnited Airlines
Deal found 4/15$570
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/63:55 pmORD - DUB
Nonstop7h 20mAer Lingus
lun. 11/103:20 pmDUB - ORD
Nonstop8h 35mAer Lingus
Deal found 4/15$579
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/138:35 pmORD - DUB
1 stop12h 15mAmerican Airlines
mar. 8/191:45 pmDUB - ORD
Nonstop8h 00mAmerican Airlines
Deal found 4/16$580
This Icelandair deal was found by Cheapflights users on 4/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/236:30 pmORD - DUB
1 stop9h 45mIcelandair
vie. 11/2811:30 amDUB - ORD
1 stop11h 50mIcelandair
Deal found 4/16$582
This Delta deal was found by Cheapflights users on 4/15. 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.
sáb. 10/183:50 pmORD - DUB
1 stop10h 05mDelta
jue. 10/309:45 amDUB - ORD
1 stop12h 02mDelta
Deal found 4/15$583
This Air France deal was found by Cheapflights users on 4/15. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/51:16 pmMDW - DUB
1 stop12h 39mMultiple Airlines
mar. 5/1312:00 pmDUB - MDW
1 stop11h 45mMultiple Airlines
Deal found 4/15$585
This oojo deal was found by Cheapflights users on 4/17. 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.
jue. 8/148:50 pmORD - DUB
1 stop21h 15mTAP AIR PORTUGAL
lun. 8/255:30 amDUB - ORD
1 stop17h 10mTAP AIR PORTUGAL
Deal found 4/17$586
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/109:20 amMDW - DUB
1 stop16h 35mDelta
mar. 10/2111:00 amDUB - MDW
1 stop16h 44mDelta
Deal found 4/16$587
This Air France deal was found by Cheapflights users on 4/17. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/271:16 pmMDW - DUB
1 stop12h 39mAir France
mar. 5/610:00 amDUB - MDW
1 stop13h 19mAir France
Deal found 4/17$590

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago to Ireland 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 17, 2025.
Use the filters below to find and compare flights from Chicago to Ireland that are best for you.

Fly from

Chicago

Fly to

Ireland

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mié. 8/13

10:56 am-7:45 am

2 stops14h 49m

Dublin

sáb. 8/23

9:20 am-2:51 pm

1 stop11h 31m

$501

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mar. 9/9

7:15 pm-6:15 pm

1 stop17h 00m

Dublin

dom. 9/21

7:15 pm-4:10 pm

2 stops26h 55m

$503

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

mar. 8/5

6:05 pm-7:30 am

Nonstop7h 25m

Shannon

mié. 8/20

9:30 am-11:45 am

Nonstop8h 15m

$562

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

sáb. 9/27

9:31 pm-10:20 am

1 stop30h 49m

Dublin

mar. 10/7

9:50 am-10:53 am

1 stop31h 03m

$570

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mié. 8/13

8:35 pm-2:50 pm

1 stop12h 15m

Dublin

mar. 8/19

1:45 pm-3:45 pm

Nonstop8h 00m

$580

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

jue. 8/14

8:50 pm-12:05 am

1 stop21h 15m

Dublin

dom. 8/24

6:50 pm-4:40 pm

1 stop27h 50m

$586

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

sáb. 8/16

7:25 pm-11:05 am

1 stop9h 40m

Dublin

sáb. 8/23

2:15 pm-9:15 pm

1 stop13h 00m

$590

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

dom. 4/27

1:16 pm-7:55 am

1 stop12h 39m

Dublin

mar. 5/6

10:00 am-5:19 pm

1 stop13h 19m

$590

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mar. 10/14

1:35 pm-8:20 am

1 stop12h 45m

Dublin

mar. 10/21

11:30 am-8:54 pm

1 stop15h 24m

$592

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mar. 5/13

1:00 pm-8:15 am

1 stop13h 15m

Dublin

lun. 5/19

5:55 am-3:51 pm

2 stops15h 56m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 60 results
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Best time to book a flight from Chicago to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland 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 Ireland

What is the cheapest month to book a flight from Chicago to Ireland?

Currently, November is the cheapest month in which you can book a flight from Chicago to Ireland (average of $509). Flying from Chicago to Ireland 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 IE?

Find hourly flight availability from Chicago to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 17, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 2% on flights from Chicago to Ireland by exploring options for tickets in the morning.

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

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

Travelers seeking maximum savings on their Chicago to Ireland flight should consider departing on Tuesday afternoons 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 Ireland

Explore weekly flight availability from Chicago to Ireland. 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 17, 2025.

The most flights from CHI to IE0 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 Ireland by month

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

In terms of precipitation, rainfall in Ireland 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 Ireland when rainfall is around 1.9 in.

Temperature in Ireland by month

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

If weather is an important factor for your trip to Ireland, 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 Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated abril 17, 2025.
Read reviews from past customers who have flown Delta, Alaska Airlines and KLM from Chicago to Ireland. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

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
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

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.
Alaska Airlines
8.0
Very good
9,887 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

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
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

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.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

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
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

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 Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Chicago to Ireland one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $399. However, be on the lookout for offers from WestJet and Icelandair, as they are both options that can get you from Chicago to Ireland for a low price.

  • What are the most popular routes from Chicago to Ireland?

    When deciding which route to take from Chicago to Ireland consider Chicago O'Hare Intl - Dublin, Chicago Midway - Dublin or Chicago O'Hare Intl - Shannon as they are the most popular.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Ireland on time: American Airlines (73%), Aer Lingus (73%), British Airways (73%).

  • What are the cheapest flights from Chicago to Ireland?

    While on average a flight from Chicago to Ireland is generally $1,495, our data shows the cheapest flight currently is $448. When looking at the most popular route, (Chicago O'Hare Intl - Dublin), you can expect to pay $423 for that flight.

  • Can I find deals for flights from Chicago to Ireland that include hotel bookings?

    Yes. In addition to deals on Chicago to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Ireland.

  • Can I find deals for business class flights from Chicago to Ireland?

    Yes. Cheapflights offers flight deals from Chicago to Ireland 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 Ireland?

    Currently, November is the cheapest month in which you can book a flight from Chicago to Ireland (average of $509). Flying from Chicago to Ireland 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.

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Alternative routes for Chicago to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Chicago to Ireland

Discover the top 10 airlines that operate flights from Chicago to Ireland. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$196Average$200FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$341Average$484FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$355Average$557FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$393Average$474FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$445Average$709FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$482Average$769FlexibilityNo cancel feeOn-time75%
IberiaCheapest$509Average$731FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$509Average$766FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$519Average$657FlexibilityNo cancel feeOn-time70%
FinnairCheapest$526Average$805FlexibilityNo cancel feeOn-time76%

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