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$236+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DUB
Mar 9 — Mar 161
Sun 3/9
Sun 3/16
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 March 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$474
(oojo)

One-way from

$253
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$634

Good round-trip deal

$658 or less

Good one-way deal

$493 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. 23% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 4, 2025.

This oojo deal was found by Cheapflights users on 3/3. 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.
Sat 9/276:15 pmORD - DUB
1 stop23h 50mTAP AIR PORTUGAL
Thu 10/25:30 amDUB - ORD
1 stop16h 40mTAP AIR PORTUGAL
Deal found 3/3$471
This Gotogate deal was found by Cheapflights users on 3/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:15 pmORD - DUB
1 stop14h 55mScandinavian Airlines
Sun 11/212:05 pmDUB - ORD
2 stops34h 40mScandinavian Airlines
Deal found 3/3$473
This Mytrip deal was found by Cheapflights users on 3/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/25:10 amORD - DUB
3 stops23h 55mMultiple Airlines
Tue 4/812:15 pmDUB - ORD
2 stops24h 48mMultiple Airlines
Deal found 3/3$509
This FlightHub deal was found by Cheapflights users on 3/4. 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.
Thu 3/611:55 amORD - DUB
1 stop21h 55mTurkish Airlines
Tue 3/114:50 pmDUB - ORD
1 stop23h 20mTurkish Airlines
Deal found 3/4$511
This American Airlines deal was found by Cheapflights users on 3/3. 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.
Sat 3/2910:30 pmORD - SNN
1 stop11h 35mAmerican Airlines
Sun 4/69:15 pmSNN - ORD
1 stop23h 30mAmerican Airlines
Deal found 3/3$516
This Aunt Betty deal was found by Cheapflights users on 3/3. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/319:50 amORD - DUB
1 stop16h 25mAir Canada
Tue 4/89:50 amDUB - ORD
1 stop15h 40mAir Canada
Deal found 3/3$533
This oojo deal was found by Cheapflights users on 3/4. 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.
Tue 4/17:30 pmORD - DUB
1 stop9h 35mIcelandair
Tue 4/812:15 pmDUB - ORD
1 stop12h 05mIcelandair
Deal found 3/4$540
This Gotogate deal was found by Cheapflights users on 3/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/28:50 pmORD - DUB
Nonstop7h 25mAer Lingus
Tue 4/811:35 amDUB - ORD
Nonstop8h 25mAer Lingus
Deal found 3/3$541
This United Airlines deal was found by Cheapflights users on 3/4. 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 4/18:15 pmORD - DUB
Nonstop7h 30mUnited Airlines
Wed 4/99:50 amDUB - ORD
2 stops36h 47mUnited Airlines
Deal found 3/4$543
This JetBlue deal was found by Cheapflights users on 3/4. 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.
Tue 5/64:03 pmORD - DUB
1 stop10h 57mJetBlue
Mon 5/1211:45 amDUB - ORD
1 stop16h 35mJetBlue
Deal found 3/4$574
This Delta deal was found by Cheapflights users on 3/4. 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 4/112:51 pmMDW - DUB
1 stop13h 54mDelta
Tue 4/85:55 amDUB - MDW
2 stops18h 07mDelta
Deal found 3/4$585
This Delta deal was found by Cheapflights users on 3/3. 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.
Mon 3/312:40 pmORD - DUB
1 stop14h 05mDelta
Tue 4/88:55 amDUB - ORD
2 stops19h 16mDelta
Deal found 3/3$586

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 March 4, 2025.

Fly from

Chicago

Fly to

Ireland

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/30

8:05 pm-6:15 pm

1 stop16h 10m

Dublin

Sun 4/13

5:00 pm-4:10 pm

1 stop29h 10m

$474

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/2

5:10 am-11:05 am

3 stops23h 55m

Dublin

Tue 4/8

12:15 pm-7:03 am

2 stops24h 48m

$506

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Sat 3/29

5:55 pm-3:05 pm

1 stop16h 10m

Shannon

Sun 4/6

9:15 pm-2:45 pm

1 stop23h 30m

$516

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 4/4

6:00 pm-12:05 am

1 stop24h 05m

Dublin

Tue 4/8

6:50 pm-4:10 pm

1 stop27h 20m

$516

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 3/31

9:50 am-8:15 am

1 stop16h 25m

Dublin

Tue 4/8

9:50 am-7:30 pm

1 stop15h 40m

$533

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 4/1

7:30 pm-11:05 am

1 stop9h 35m

Dublin

Wed 4/9

12:15 pm-6:20 pm

1 stop12h 05m

$540

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/2

8:50 pm-10:15 am

Nonstop7h 25m

Dublin

Tue 4/8

11:35 am-2:00 pm

Nonstop8h 25m

$541

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 4/1

8:15 pm-9:45 am

Nonstop7h 30m

Dublin

Wed 4/9

9:50 am-2:55 pm

1 stop11h 05m

$556

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 3/31

12:05 pm-9:45 am

1 stop15h 40m

Dublin

Tue 4/8

9:45 am-5:50 pm

1 stop14h 05m

$557

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 5/6

4:03 pm-9:00 am

1 stop10h 57m

Dublin

Wed 5/14

11:45 am-10:20 pm

1 stop16h 35m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

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.

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 March 4, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 1% 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.

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 March 4, 2025.
Read reviews from past customers who have flown Delta, KLM and Air Transat 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
8,061 reviews

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

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
8,061 reviews
Delta
8.0
Very good
8,061 reviews

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

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
1,321 reviews
Delta
8.0
Very good
8,061 reviews

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

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 Transat
7.8
Good
382 reviews
Delta
8.0
Very good
8,061 reviews

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

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
1,271 reviews
Delta
8.0
Very good
8,061 reviews

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

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.

SWISS
7.5
Good
1,560 reviews
Delta
8.0
Very good
8,061 reviews

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

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 TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $351. However, be on the lookout for offers from WestJet 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 (67%), Aer Lingus (67%), British Airways (67%).

  • What are the cheapest flights from Chicago to Ireland?

    While on average a flight from Chicago to Ireland is generally $1,484, our data shows the cheapest flight currently is $399. When looking at the most popular route, (Chicago O'Hare Intl - Dublin), you can expect to pay $431 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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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 March 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$196Average$200FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$341Average$496FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$357Average$579FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$394Average$468FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$447Average$696FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$482Average$708FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$498Average$991FlexibilityNo cancel feeOn-time70%
IberiaCheapest$507Average$740FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$509Average$775FlexibilityNo cancel feeOn-time71%
FinnairCheapest$525Average$811FlexibilityNo cancel feeOn-time76%
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