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Ireland

$224+ Cheap flights from Illinois 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Illinois to Ireland

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) 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 November 20, 2024.

Find flight deals from Illinois to Ireland

Cheapest flights from Illinois to Ireland
Explore the most affordable flight options available from Illinois to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/36:30 pmORD - DUB
1 stop9h 45mIcelandair
Wed 12/1111:30 amDUB - ORD
1 stop11h 50mIcelandair
Deal found 11/19$478
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/18:25 pmORD - DUB
1 stop13h 45mTAP AIR PORTUGAL
Sat 12/74:15 amDUB - ORD
1 stop17h 15mTAP AIR PORTUGAL
Deal found 11/19$505
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/48:25 amSTL - DUB
1 stop19h 40mUnited Airlines
Wed 12/119:00 amDUB - STL
1 stop12h 06mUnited Airlines
Deal found 11/19$524
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/289:05 pmORD - DUB
1 stop31h 00mUnited Airlines
Sat 1/119:00 amDUB - ORD
1 stop29h 57mUnited Airlines
Deal found 11/19$532
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/48:25 amSTL - DUB
1 stop19h 40mMultiple Airlines
Fri 12/135:00 amDUB - STL
1 stop14h 55mMultiple Airlines
Deal found 11/20$537
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 12/37:15 amSTL - DUB
1 stop19h 10mDelta
Thu 12/1211:30 amDUB - STL
1 stop12h 29mDelta
Deal found 11/19$538
This Billigflug 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/43:56 pmORD - DUB
1 stop12h 09mAir Canada
Fri 12/1311:50 amDUB - ORD
1 stop17h 30mAir Canada
Deal found 11/18$554
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/611:57 amORD - DUB
1 stop14h 43mIberia
Fri 12/132:05 pmDUB - ORD
1 stop14h 40mIberia
Deal found 11/20$559
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/39:50 amORD - DUB
1 stop15h 20mMultiple Airlines
Sun 12/86:40 pmDUB - ORD
1 stop27h 35mMultiple Airlines
Deal found 11/19$561
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/309:30 amMDW - ORK
2 stops30h 20mDelta
Mon 1/131:25 pmORK - MDW
2 stops53h 21mDelta
Deal found 11/20$570
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 12/311:25 amSTL - DUB
2 stops14h 40mKLM
Thu 12/128:50 amDUB - STL
2 stops15h 39mKLM
Deal found 11/19$573
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/277:05 pmORD - DUB
1 stop16h 45mSWISS
Sat 12/146:40 pmDUB - ORD
1 stop27h 35mSWISS
Deal found 11/19$588

Find flights from Illinois to Ireland within your budget

Customize your flight search to find flights from Illinois 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 2,629,791 searches. Data last updated November 20, 2024.

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ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 1/22

6:30 pm-10:15 am

1 stop9h 45m

Dublin

Sun 1/26

11:30 am-5:20 pm

1 stop11h 50m

$443

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/2

6:00 pm-6:05 pm

1 stop18h 05m

Dublin

Thu 4/17

6:50 pm-4:10 pm

1 stop27h 20m

$444

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/2

7:10 pm-11:40 am

1 stop34h 30m

Dublin

Sun 3/9

10:10 am-4:50 pm

1 stop35h 40m

$456

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/23

11:05 pm-3:05 pm

1 stop11h 00m

Dublin

Tue 4/1

9:40 am-5:25 pm

1 stop13h 45m

$473

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 3/5

10:18 am-10:05 am

2 stops17h 47m

Dublin

Wed 3/12

8:00 am-12:12 pm

2 stops33h 12m

$477

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/23

9:50 am-6:10 am

1 stop15h 20m

Dublin

Tue 4/1

9:50 am-10:29 am

2 stops30h 39m

$478

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 3/3

3:55 pm-5:15 am

Nonstop7h 20m

Dublin

Wed 3/5

11:30 am-2:00 pm

Nonstop8h 30m

$479

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 3/5

2:10 pm-8:40 am

1 stop12h 30m

Dublin

Wed 3/12

6:40 am-6:59 pm

2 stops17h 19m

$483

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/16

11:35 am-6:10 am

2 stops13h 35m

Dublin

Fri 3/28

8:00 am-6:41 pm

2 stops15h 41m

$486

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 3/4

10:18 am-7:10 am

2 stops14h 52m

Dublin

Wed 3/12

8:00 am-3:06 pm

1 stop12h 06m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 59 results
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Best time to book a flight from Illinois to Ireland

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

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

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Ireland (average of $498). Flying from Illinois to Ireland in June is currently the most expensive (average of $944). 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 IL to IE?

Find hourly flight availability from Illinois 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 November 20, 2024.

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

Weekly flight availability from Illinois to Ireland

Explore weekly flight availability from Illinois 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 November 20, 2024.

The most flights from USIL to IE0 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 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 November 20, 2024.
Read through reviews of airlines operating flights from Illinois to Ireland, such as Scandinavian Airlines, Air Canada and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

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

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 10

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

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Reviews

1 / 10

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

SWISS
7.6
Good
1,637 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

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

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

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
9,171 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

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 Illinois 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 Illinois to Ireland one-way?

    $266 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on TAP AIR PORTUGAL and Scandinavian Airlines, with prices starting from $313 and $380, respectively.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Ireland (average of $498). Flying from Illinois to Ireland in June is currently the most expensive (average of $944). 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 Illinois 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 Illinois to Ireland

Discover the top 10 airlines that operate flights from Illinois 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$196Average$200FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$304Average$403FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$362Average$609FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$413Average$543FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$448Average$686FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$490Average$942FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$505Average$881FlexibilityNo cancel feeOn-time70%
KLMCheapest$509Average$842FlexibilityNo cancel feeOn-time75%
IberiaCheapest$509Average$757FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$513Average$879FlexibilityNo cancel feeOn-time69%
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