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$442+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — CHI
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
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 November 20, 2024.

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 November 20, 2024.

This Fly & Visit Rome deal was found by Cheapflights users on 11/19. 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 Fly & Visit Rome is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1611:30 amDUB - ORD
Nonstop8h 30mAer Lingus
Fri 1/319:00 pmORD - DUB
Nonstop7h 20mAer Lingus
Deal found 11/19$495
This Icelandair deal was found by Cheapflights users on 11/19. 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.
Wed 11/2711:30 amDUB - ORD
1 stop11h 50mIcelandair
Thu 1/236:30 pmORD - DUB
1 stop9h 45mIcelandair
Deal found 11/19$497
This TravelUp deal was found by Cheapflights users on 11/19. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/266:00 amDUB - ORD
2 stops16h 52mAir France
Sun 1/2611:05 amORD - DUB
2 stops15h 40mAir France
Deal found 11/19$499
This oojo deal was found by Cheapflights users on 11/19. 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 12/1212:05 pmDUB - ORD
2 stops33h 45mScandinavian Airlines
Thu 1/97:10 pmORD - DUB
1 stop32h 15mScandinavian Airlines
Deal found 11/19$500
This TravelUp deal was found by Cheapflights users on 11/18. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/58:40 amDUB - ORD
1 stop14h 20mMultiple Airlines
Sun 12/89:45 pmORD - DUB
1 stop32h 50mMultiple Airlines
Deal found 11/18$501
This Delta deal was found by Cheapflights users on 11/19. 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.
Wed 11/278:50 amDUB - ORD
2 stops17h 35mDelta
Mon 1/2710:05 amORD - DUB
2 stops16h 00mDelta
Deal found 11/19$507
This Delta deal was found by Cheapflights users on 11/19. 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 11/265:55 amDUB - MDW
2 stops18h 37mDelta
Sun 1/262:08 pmMDW - DUB
2 stops19h 32mDelta
Deal found 11/19$507
This KLM deal was found by Cheapflights users on 11/19. 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.
Wed 11/278:50 amDUB - ORD
2 stops15h 44mKLM
Sat 1/254:58 pmORD - DUB
2 stops13h 42mKLM
Deal found 11/19$512
This British Airways deal was found by Cheapflights users on 11/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/268:40 amDUB - ORD
1 stop12h 05mBritish Airways
Thu 1/235:00 pmORD - DUB
1 stop10h 50mBritish Airways
Deal found 11/19$513
This Flightnetwork deal was found by Cheapflights users on 11/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:15 amDUB - ORD
1 stop14h 10mLufthansa
Sun 12/89:25 pmORD - DUB
1 stop30h 35mLufthansa
Deal found 11/20$515
This KLM deal was found by Cheapflights users on 11/19. 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 12/1011:30 amDUB - MDW
1 stop16h 36mKLM
Tue 12/1710:38 amMDW - DUB
1 stop15h 47mKLM
Deal found 11/19$517
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Sat 12/79:00 amDUB - ORD
1 stop15h 37mUnited Airlines
Wed 12/112:00 pmORD - DUB
2 stops14h 05mUnited Airlines
Deal found 11/20$529

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 1/31

8:50 am-2:30 pm

1 stop11h 40m

Chicago O'Hare Intl

Fri 2/7

12:30 pm-8:05 am

2 stops13h 35m

$492

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 12/16

11:30 am-2:00 pm

Nonstop8h 30m

Chicago O'Hare Intl

Fri 1/31

9:00 pm-10:20 am

Nonstop7h 20m

$495

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 12/12

12:05 pm-3:50 pm

2 stops33h 45m

Chicago O'Hare Intl

Thu 1/9

7:10 pm-9:25 am

1 stop32h 15m

$500

DublinChicago

DUB - MDW

DUBMDW

Dublin

Fri 1/31

8:50 am-6:14 pm

2 stops15h 24m

Chicago Midway

Sat 2/8

5:05 pm-12:40 pm

2 stops13h 35m

$502

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 12/5

5:55 am-8:25 pm

2 stops20h 30m

Chicago O'Hare Intl

Mon 12/9

5:20 pm-3:40 pm

1 stop16h 20m

$507

DublinChicago

DUB - MDW

DUBMDW

Dublin

Tue 12/10

5:55 am-5:01 pm

2 stops17h 06m

Chicago Midway

Tue 12/17

12:44 pm-8:25 am

1 stop13h 41m

$509

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 12/5

5:15 am-1:25 pm

1 stop14h 10m

Chicago O'Hare Intl

Sun 12/8

9:25 pm-10:00 am

1 stop30h 35m

$515

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 4/20

6:05 am-3:00 pm

1 stop14h 55m

Chicago O'Hare Intl

Wed 4/30

5:15 pm-10:40 pm

1 stop23h 25m

$520

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 1/11

4:05 pm-2:45 pm

1 stop28h 40m

Chicago O'Hare Intl

Fri 1/24

5:00 pm-5:00 pm

1 stop18h 00m

$523

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 1/11

11:30 am-5:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Fri 1/24

6:30 pm-10:15 am

1 stop9h 45m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 44 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, September is the cheapest month in which you can book a flight from Ireland to Chicago (average of $232). Flying from Ireland to Chicago in June is currently the most expensive (average of $308). 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 November 20, 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 November 20, 2024.

The most flights from IE0 to CHI are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 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 November 20, 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
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

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
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

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
1,350 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

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
1,637 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

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
1,523 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

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

United Airlines
7.4
Good
9,171 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

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 $443 on Icelandair. Other airlines that offer cheap prices include Aer Lingus from $459 and Scandinavian Airlines from $469 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 Cork - 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: Air Canada (83%), Austrian Airlines (83%), Brussels Airlines( 83%).

  • What are the cheapest flights from Ireland to Chicago?

    While on average a flight from Ireland to Chicago is generally $1,493, our data shows the cheapest flight currently is $443. When looking at the most popular route, (Dublin - Chicago O'Hare Intl), you can expect to pay $376 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, September is the cheapest month in which you can book a flight from Ireland to Chicago (average of $232). Flying from Ireland to Chicago in June is currently the most expensive (average of $308). 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 Ireland to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ireland to Chicago

Discover the top 5 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$298Average$655FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$368Average$651FlexibilityNo 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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