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$429+ Cheap flights from Ireland to Chicago (CHI)

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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — CHI
Dec 24 — Dec 311
Tue 12/24
Tue 12/31
1 adult, Economy
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Cheap flight deals from Ireland to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Ireland (IE0) to Chicago (CHI). 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 December 19, 2024.

Round-trip from

$430
(Mytrip)

One-way from

$429
(Mytrip)
From Ireland to Chicago (CHI)
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One-way flight from Ireland to Chicago (CHI)
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Find flight deals from Ireland to Chicago

Cheapest flights from Ireland to Chicago
Explore the most affordable flight options available from Ireland to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

This Orbitz deal was found by Cheapflights users on 12/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/248:40 amDUB - ORD
1 stop16h 05mBritish Airways
Tue 12/316:39 pmORD - DUB
2 stops18h 56mBritish Airways
Deal found 12/17$536
This Ovago deal was found by Cheapflights users on 12/18. 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 12/2211:00 amDUB - ORD
1 stop33h 30mMultiple Airlines
Sat 1/119:45 pmORD - DUB
1 stop11h 15mMultiple Airlines
Deal found 12/18$646
This FlightHub deal was found by Cheapflights users on 12/18. 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.
Sun 12/2212:05 pmDUB - ORD
2 stops33h 45mScandinavian Airlines
Sat 1/117:10 pmORD - DUB
2 stops34h 10mScandinavian Airlines
Deal found 12/18$649
This FlightHub deal was found by Cheapflights users on 12/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2412:05 pmDUB - ORD
1 stop31h 50mAer Lingus
Tue 12/317:40 pmORD - DUB
Nonstop7h 20mAer Lingus
Deal found 12/17$696
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Sun 12/229:00 amDUB - ORD
1 stop11h 35mUnited Airlines
Sat 1/1111:20 amORD - DUB
2 stops13h 50mUnited Airlines
Deal found 12/18$721
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/248:50 amDUB - ORD
2 stops18h 27mDelta
Tue 12/3112:30 pmORD - DUB
2 stops18h 10mDelta
Deal found 12/17$730
This American Airlines deal was found by Cheapflights users on 12/18. 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.
Thu 12/2611:35 amDUB - ORD
1 stop14h 10mAmerican Airlines
Wed 1/13:00 pmORD - DUB
1 stop12h 00mAmerican Airlines
Deal found 12/18$759
This Lufthansa deal was found by Cheapflights users on 12/18. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2011:50 amDUB - ORD
1 stop14h 15mLufthansa
Sat 1/113:55 pmORD - DUB
1 stop12h 55mLufthansa
Deal found 12/18$776
This deal was found by Cheapflights users on 12/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/279:00 amDUB - ORD
1 stop11h 51mAir Canada
Fri 1/102:05 pmORD - DUB
1 stop11h 05mAir Canada
Deal found 12/18$934
This Delta deal was found by Cheapflights users on 12/18. 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.
Thu 12/268:50 amDUB - MDW
2 stops19h 16mDelta
Wed 1/19:30 amMDW - DUB
2 stops16h 35mDelta
Deal found 12/18$976
This SWISS deal was found by Cheapflights users on 12/18. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:40 pmDUB - ORD
2 stops25h 25mSWISS
Fri 1/35:55 pmORD - DUB
2 stops32h 35mSWISS
Deal found 12/18$1,283
This AranGrant deal was found by Cheapflights users on 12/17. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:30 amDUB - ORD
1 stop11h 50mIcelandair
Tue 12/316:30 pmORD - DUB
1 stop9h 45mIcelandair
Deal found 12/17$1,698

Find flights from Ireland to Chicago within your budget

Customize your flight search to find flights from Ireland to Chicago 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 December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 1/17

12:30 pm-3:50 pm

1 stop33h 20m

Chicago O'Hare Intl

Thu 1/23

7:40 pm-9:25 am

1 stop31h 45m

$430

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 2/1

4:15 am-3:30 pm

1 stop17h 15m

Chicago O'Hare Intl

Sun 2/9

8:25 pm-4:10 pm

1 stop13h 45m

$457

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 1/25

8:10 pm-3:30 pm

2 stops25h 20m

Chicago O'Hare Intl

Fri 1/31

8:20 pm-9:20 pm

2 stops19h 00m

$462

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 1/22

2:05 pm-8:04 pm

1 stop11h 59m

Chicago O'Hare Intl

Mon 1/27

2:52 pm-12:35 pm

2 stops15h 43m

$475

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 1/13

2:05 pm-8:04 pm

1 stop11h 59m

Chicago O'Hare Intl

Sun 1/19

2:52 pm-8:40 am

1 stop11h 48m

$482

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 1/13

8:30 pm-1:55 pm

1 stop23h 25m

Chicago O'Hare Intl

Sun 1/19

10:00 pm-3:05 pm

1 stop11h 05m

$483

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 2/2

4:40 pm-7:15 pm

Nonstop8h 35m

Chicago O'Hare Intl

Sun 2/9

9:00 pm-10:15 am

Nonstop7h 15m

$486

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 1/13

5:55 am-2:30 pm

1 stop14h 35m

Chicago O'Hare Intl

Fri 1/31

4:58 pm-12:40 pm

2 stops13h 42m

$504

DublinChicago

DUB - MDW

DUBMDW

Dublin

Sun 2/2

8:50 am-6:14 pm

2 stops15h 24m

Chicago Midway

Sun 2/9

3:41 pm-12:40 pm

2 stops14h 59m

$507

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 1/13

5:55 am-2:30 pm

1 stop14h 35m

Chicago O'Hare Intl

Fri 1/31

10:05 am-8:05 am

2 stops16h 00m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 53 results
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Best time to book a flight from Ireland to Chicago

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

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

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

Currently, August is the cheapest month in which you can book a flight from Ireland to Chicago (average of $245). Flying from Ireland to Chicago in March is currently the most expensive (average of $317). 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 IE to CHI?

Find hourly flight availability from Ireland to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 19, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Chicago as you normally would.

Weekly flight availability from Ireland to Chicago

Explore weekly flight availability from Ireland to Chicago. 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 December 19, 2024.

The most flights from IE0 to CHI are scheduled on a Monday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Chicago by month

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

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

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

If weather is an important factor for your trip to Chicago, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated December 19, 2024.
Get a feel of what it's like to fly with KLM, Aer Lingus and American Airlines from Ireland to Chicago by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,600 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,600 reviews
Delta
8.0
Very good
8,600 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,600 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very good
8,600 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.6
Good
1,605 reviews
Delta
8.0
Very good
8,600 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,505 reviews
Delta
8.0
Very good
8,600 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ireland to Chicago. 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 Ireland to Chicago one-way?

    One-way options have recently been found by users for as low as $429 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $432 and Aer Lingus from $439 one-way.

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

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

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

    Before booking your flight to Chicago from Ireland, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (91%), Finnair (91%), Iberia( 91%).

  • What are the cheapest flights from Ireland to Chicago?

    While on average a flight from Ireland to Chicago is generally $1,349, our data shows the cheapest flight currently is $417. When looking at the most popular route, (Dublin - Chicago O'Hare Intl), you can expect to pay $350 for that flight.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Ireland to Chicago (average of $245). Flying from Ireland to Chicago in March is currently the most expensive (average of $317). 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 Ireland to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to O'Hare Intl flights
Heathrow to O'Hare Intl flights
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Frederic Chopin to Midway flights
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Heathrow to Midway flights
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Madrid to Midway flights
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Bruxelles-National to O'Hare Intl flights
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Athens to O'Hare Intl flights
Leonardo da Vinci/Fiumicino to O'Hare Intl flights
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Barcelona-El Prat to Midway flights
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Duesseldorf Intl to O'Hare Intl flights
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Amsterdam to Midway flights
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Frankfurt to St. Louis flights
Bruxelles-National to Midway flights
Bergamo to O'Hare Intl flights
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Belgrade to O'Hare Intl flights
Stansted to O'Hare Intl flights
Duesseldorf Intl to Midway flights
Rzeszow to O'Hare Intl flights
Leonardo da Vinci/Fiumicino to Midway flights

Top 4 airlines flying from Ireland to Chicago

Discover the top 4 airlines that operate flights from Ireland to Chicago. 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 December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$368Average$653FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$373Average$517FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$399Average$540FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$549Average$750FlexibilityNo cancel feeOn-time69%
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