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$251+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DUB
ene. 28 — feb. 41
mar. 1/28
mar. 2/4
1 adult, Economy
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Cheap flight deals from Chicago to Ireland

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Ireland (IE0). 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 enero 23, 2025.

Round-trip from

$470
(KLM)

One-way from

$251
(Kiwi.com)

Good round-trip deal

$654 or less

Good one-way deal

$493 or less
From Chicago (CHI) to Ireland
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One-way flight from Chicago (CHI) to Ireland
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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 enero 23, 2025.

This Delta deal was found by Cheapflights users on 1/21. 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.
mié. 2/265:05 pmMDW - DUB
1 stop10h 40mDelta
jue. 3/612:00 pmDUB - MDW
1 stop16h 20mDelta
Deal found 1/21$470
This KLM deal was found by Cheapflights users on 1/21. 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.
mar. 2/252:59 pmORD - DUB
1 stop12h 46mKLM
mar. 3/411:30 amDUB - ORD
1 stop12h 02mKLM
Deal found 1/21$470
This Delta deal was found by Cheapflights users on 1/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/1710:55 amORD - DUB
1 stop16h 30mDelta
mar. 3/2511:30 amDUB - ORD
1 stop15h 45mDelta
Deal found 1/23$471
This American Airlines deal was found by Cheapflights users on 1/22. 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.
dom. 2/25:00 pmORD - DUB
1 stop10h 50mAmerican Airlines
mar. 2/112:05 pmDUB - ORD
1 stop11h 59mAmerican Airlines
Deal found 1/22$477
This oojo deal was found by Cheapflights users on 1/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/127:15 pmORD - DUB
1 stop22h 05mTAP AIR PORTUGAL
mar. 2/184:55 pmDUB - ORD
1 stop28h 35mTAP AIR PORTUGAL
Deal found 1/23$478
This KLM deal was found by Cheapflights users on 1/23. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/175:20 pmORD - DUB
1 stop16h 20mMultiple Airlines
mié. 2/2610:45 amDUB - ORD
1 stop13h 02mMultiple Airlines
Deal found 1/23$480
This Kiwi.com deal was found by Cheapflights users on 1/23. 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.
dom. 3/98:05 pmORD - DUB
1 stop16h 45mSWISS
lun. 3/176:40 pmDUB - ORD
1 stop27h 35mSWISS
Deal found 1/23$491
This United Airlines deal was found by Cheapflights users on 1/21. 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. 3/251:04 pmORD - DUB
1 stop12h 06mUnited Airlines
jue. 4/311:35 amDUB - ORD
Nonstop8h 00mUnited Airlines
Deal found 1/21$496
This Cheapflightsfares deal was found by Cheapflights users on 1/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/174:25 pmORD - DUB
1 stop11h 15mIberia
lun. 3/242:05 pmDUB - ORD
1 stop13h 42mIberia
Deal found 1/23$500
This Air Canada deal was found by Cheapflights users on 1/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1811:45 amORD - DUB
1 stop13h 25mAir Canada
vie. 11/289:00 amDUB - ORD
2 stops16h 48mAir Canada
Deal found 1/23$502
This FlightHub deal was found by Cheapflights users on 1/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/277:15 pmORD - DUB
1 stop14h 55mScandinavian Airlines
lun. 10/2012:20 pmDUB - ORD
2 stops33h 50mScandinavian Airlines
Deal found 1/23$515
This CheapOair deal was found by Cheapflights users on 1/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/129:00 pmORD - DUB
Nonstop7h 20mAer Lingus
mié. 2/264:40 pmDUB - ORD
Nonstop8h 35mAer Lingus
Deal found 1/23$519

Find flights from Chicago to Ireland within your budget

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 enero 23, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mar. 2/25

2:59 pm-9:45 am

1 stop12h 46m

Dublin

mar. 3/4

11:30 am-5:32 pm

1 stop12h 02m

$470

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

mié. 2/26

12:44 pm-9:45 am

1 stop15h 01m

Dublin

jue. 3/6

12:00 pm-10:20 pm

1 stop16h 20m

$471

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

lun. 2/3

7:10 am-8:45 am

1 stop19h 35m

Dublin

mié. 2/12

10:45 am-5:47 pm

1 stop13h 02m

$471

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

dom. 3/2

10:57 am-8:45 am

2 stops15h 48m

Dublin

mar. 3/11

10:45 am-10:27 pm

2 stops16h 42m

$475

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 2/2

5:00 pm-9:50 am

1 stop10h 50m

Dublin

mar. 2/11

2:05 pm-8:04 pm

1 stop11h 59m

$477

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mié. 2/12

7:15 pm-11:20 pm

1 stop22h 05m

Dublin

mar. 2/18

4:55 pm-3:30 pm

1 stop28h 35m

$478

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

lun. 4/21

7:15 pm-6:15 pm

1 stop17h 00m

Dublin

mié. 4/30

7:05 pm-4:10 pm

1 stop27h 05m

$485

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 3/9

8:05 pm-5:50 pm

1 stop16h 45m

Dublin

lun. 3/17

6:40 pm-5:15 pm

1 stop27h 35m

$491

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 2/2

5:00 pm-9:50 am

1 stop10h 50m

Dublin

mar. 2/11

8:40 am-2:45 pm

1 stop12h 05m

$495

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mar. 3/25

1:04 pm-6:10 am

1 stop12h 06m

Dublin

jue. 4/3

11:35 am-1:35 pm

Nonstop8h 00m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 53 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.

Travel insights for flights from Chicago to Ireland

Get recent, data-driven insights about flights from Chicago to Ireland including ideal travel times, pricing trends, and more.

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 $1,016). 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 enero 23, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 1% on flights from Chicago to Ireland by exploring options for tickets at noon.

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 Wednesday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 enero 23, 2025.
Read reviews from past customers who have flown KLM, American Airlines and SWISS 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
8,508 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,508 reviews
Delta
8.0
Very good
8,508 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,338 reviews
Delta
8.0
Very good
8,508 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 10

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

SWISS
7.5
Good
1,598 reviews
Delta
8.0
Very good
8,508 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 10

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

Air France
7.4
Good
1,488 reviews
Delta
8.0
Very good
8,508 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
8,970 reviews
Delta
8.0
Very good
8,508 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 10

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 Icelandair, with whom users have recently found tickets for as low as $300. However, be on the lookout for offers from TAP AIR PORTUGAL and Scandinavian Airlines, 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 (68%), Aer Lingus (68%), British Airways (68%).

  • What are the cheapest flights from Chicago to Ireland?

    While on average a flight from Chicago to Ireland is generally $1,725, our data shows the cheapest flight currently is $434. When looking at the most popular route, (Chicago O'Hare Intl - Dublin), you can expect to pay $390 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 $1,016). 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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Midway to Lisbon flights
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St. Louis to Heathrow flights
Midway to Frankfurt flights
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Midway to Istanbul flights
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O'Hare Intl to Sofia flights

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 enero 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$196Average$200FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$304Average$482FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$360Average$587FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$395Average$472FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$448Average$693FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$505Average$994FlexibilityNo cancel feeOn-time70%
IberiaCheapest$507Average$732FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$509Average$799FlexibilityNo cancel feeOn-time71%
KLMCheapest$509Average$842FlexibilityNo cancel feeOn-time75%
FinnairCheapest$526Average$844FlexibilityNo cancel feeOn-time76%
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