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$246+ 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 7/31. 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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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 June 12, 2025.

Round-trip from

$485
(American Airlines)

One-way from

$246
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$892

Good round-trip deal

$646 or less

Good one-way deal

$489 or less
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. 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 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 8/57:10 pmORD - SNN
1 stop15h 00mAmerican Airlines
Tue 8/199:15 pmSNN - ORD
1 stop20h 40mAmerican Airlines
Deal found 6/9$485
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/56:05 pmORD - SNN
Nonstop7h 25mUnited Airlines
Wed 8/209:30 amSNN - ORD
Nonstop8h 15mUnited Airlines
Deal found 6/10$522
This Delta deal was found by Cheapflights users on 6/10. 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 7/276:00 amMDW - SNN
2 stops23h 10mDelta
Tue 8/51:05 pmSNN - MDW
2 stops25h 39mDelta
Deal found 6/10$556
This Delta deal was found by Cheapflights users on 6/10. 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 7/276:24 pmORD - SNN
1 stop10h 46mDelta
Tue 8/51:05 pmSNN - ORD
1 stop14h 38mDelta
Deal found 6/10$556
This KLM deal was found by Cheapflights users on 6/10. 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.
Tue 7/226:24 pmORD - SNN
1 stop10h 46mAir France
Tue 7/291:05 pmSNN - ORD
1 stop14h 38mAir France
Deal found 6/10$561
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.
Tue 7/221:30 pmORD - SNN
1 stop15h 40mMultiple Airlines
Tue 7/291:05 pmSNN - ORD
1 stop14h 38mMultiple Airlines
Deal found 6/12$566
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

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 June 12, 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

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 8/5

7:10 pm-4:10 pm

1 stop15h 00m

Shannon

Tue 8/19

9:15 pm-11:55 am

1 stop20h 40m

$485

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 8/5

6:05 pm-7:30 am

Nonstop7h 25m

Shannon

Wed 8/20

9:30 am-11:45 am

Nonstop8h 15m

$522

ChicagoShannon

MDW - SNN

MDWSNN

Chicago Midway

Sun 7/27

6:00 am-11:10 am

2 stops23h 10m

Shannon

Tue 8/5

1:05 pm-8:44 am

2 stops25h 39m

$556

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sun 7/27

6:24 pm-11:10 am

1 stop10h 46m

Shannon

Tue 8/5

1:05 pm-9:43 pm

1 stop14h 38m

$556

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 7/22

6:24 pm-11:10 am

1 stop10h 46m

Shannon

Tue 7/29

1:05 pm-9:43 pm

1 stop14h 38m

$561

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 7/22

1:30 pm-11:10 am

1 stop15h 40m

Shannon

Tue 7/29

1:05 pm-9:43 pm

1 stop14h 38m

$566

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $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 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 June 12, 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 Monday afternoons when fares are most often at their lowest. Friday afternoons 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 June 12, 2025.

The most flights from CHI to IE0 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 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 June 12, 2025.
Read reviews from past customers who have flown Delta, Porter 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
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

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

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

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

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

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

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

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

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

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

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

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 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 JetBlue, with whom users have recently found tickets for as low as $338. However, be on the lookout for offers from Icelandair 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: Air France (89%), American Airlines (74%), British Airways (73%).

  • What are the cheapest flights from Chicago to Ireland?

    While on average a flight from Chicago to Ireland is generally $2,798, our data shows the cheapest flight currently is $431. When looking at the most popular route, (Chicago O'Hare Intl - Dublin), you can expect to pay $374 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 $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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Alternative routes for Chicago to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Heathrow flights
O'Hare Intl to Charles de Gaulle flights
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Midway to Dublin flights
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Midway to Athens flights
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Midway to Madrid flights
Midway to Barcelona-El Prat flights
O'Hare Intl to Linate flights
Midway to Lisbon flights
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St. Louis to Heathrow flights
O'Hare Intl to Beauvais-Tille flights
O'Hare Intl to Berlin flights
Midway to Keflavik Intl flights
O'Hare Intl to Sofia flights
Midway to Istanbul flights
O'Hare Intl to Prague flights
Midway to Frankfurt flights
Midway to Frederic Chopin flights
O'Hare Intl to Florence 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 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%
American AirlinesCheapest$489Average$748FlexibilityNo cancel feeOn-time71%
IberiaCheapest$507Average$728FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$519Average$784FlexibilityNo cancel feeOn-time70%
FinnairCheapest$526Average$807FlexibilityNo cancel feeOn-time76%

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