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Ireland

$257+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
Nov 5 — Nov 121
Tue 11/5
Tue 11/12
1 adult, Economy
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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 October 31, 2024.

This FlightHub deal was found by Cheapflights users on 10/30. 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.
Mon 12/27:10 pmORD - DUB
2 stops33h 15mScandinavian Airlines
Wed 12/1112:30 pmDUB - ORD
1 stop33h 20mScandinavian Airlines
Deal found 10/30$436
This CheapOair deal was found by Cheapflights users on 10/31. 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 CheapOair 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
Tue 12/104:55 pmDUB - ORD
1 stop28h 35mTAP AIR PORTUGAL
Deal found 10/31$440
This Mytrip deal was found by Cheapflights users on 10/31. 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 12/46:30 pmORD - DUB
1 stop9h 45mIcelandair
Fri 12/1311:30 amDUB - ORD
1 stop11h 50mIcelandair
Deal found 10/31$458
This United Airlines deal was found by Cheapflights users on 10/31. 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
Fri 1/109:00 amDUB - ORD
1 stop30h 01mUnited Airlines
Deal found 10/31$513
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Mon 12/23:55 pmORD - DUB
Nonstop7h 20mAer Lingus
Tue 12/103:20 pmDUB - ORD
Nonstop8h 35mAer Lingus
Deal found 10/30$517
This Booking.com deal was found by Cheapflights users on 10/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/185:40 pmSTL - DUB
2 stops31h 30mAir Canada
Wed 12/49:00 amDUB - STL
2 stops36h 34mAir Canada
Deal found 10/31$520
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Mon 11/1812:37 pmSTL - DUB
1 stop15h 28mUnited Airlines
Wed 12/49:00 amDUB - STL
1 stop12h 06mUnited Airlines
Deal found 10/31$522
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Wed 11/275:25 pmORD - DUB
1 stop9h 15mMultiple Airlines
Wed 12/410:25 amDUB - ORD
1 stop12h 35mMultiple Airlines
Deal found 10/30$530
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Mon 11/251:46 pmSTL - DUB
1 stop12h 54mAmerican Airlines
Thu 12/52:05 pmDUB - STL
1 stop13h 48mAmerican Airlines
Deal found 10/29$538
This KLM deal was found by Cheapflights users on 10/30. 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.
Mon 11/2510:17 amSTL - DUB
2 stops16h 28mKLM
Thu 12/511:30 amDUB - STL
1 stop15h 33mKLM
Deal found 10/30$543
This Booking.com deal was found by Cheapflights users on 10/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/297:20 amORD - DUB
2 stops17h 50mAir Canada
Fri 12/69:00 amDUB - ORD
2 stops16h 55mAir Canada
Deal found 10/30$545
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Wed 12/116:30 pmORD - SNN
1 stop11h 00mAmerican Airlines
Mon 1/207:45 amSNN - ORD
1 stop15h 15mAmerican Airlines
Deal found 10/30$555

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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 1/21

6:30 pm-10:15 am

1 stop9h 45m

$257

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 1/27

10:59 am-11:00 pm

2 stops30h 01m

$260

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 11/13

7:15 pm-11:20 pm

1 stop22h 05m

$325

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 4/29

7:15 pm-6:15 pm

1 stop17h 00m

$361

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 12/30

7:05 pm-12:05 pm

1 stop35h 00m

$386

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 11/12

5:00 pm-5:00 pm

1 stop18h 00m

$390

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Mon 12/30

6:25 pm-11:10 am

1 stop10h 45m

$394

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 2/11

11:15 am-7:00 am

2 stops13h 45m

$398

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 12/1

3:35 pm-7:10 am

2 stops57h 35m

$400

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Sun 12/1

9:31 am-8:25 am

2 stops16h 54m

$402

Flights are sorted by cheapest first

Deals found on 10/30

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 $497). 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 October 31, 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.

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 October 31, 2024.
Read through reviews of airlines operating flights from Illinois to Ireland, such as Aer Lingus, Turkish Airlines and Air Canada. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,835 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
8,835 reviews
Delta
8.0
Very good
8,835 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,352 reviews
Delta
8.0
Very good
8,835 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

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

Austrian Airlines
7.7
Good
829 reviews
Delta
8.0
Very good
8,835 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

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

SWISS
7.6
Good
1,644 reviews
Delta
8.0
Very good
8,835 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

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

JetBlue
7.5
Good
3,514 reviews
Delta
8.0
Very good
8,835 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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.

  • Can I find flights from Illinois to Ireland for under $400 on Cheapflights?

    Yes, there are multiple flights from Illinois to Ireland for under $400. The cheapest flight booked recently is on Icelandair for just $390, but on average you can expect to pay $524.

  • Are there nonstop flights from Illinois to Ireland for under $600 on Cheapflights?

    Cheapflights has at least 5 direct flights from Illinois to Ireland under $600. A good price for a nonstop flight from Illinois to Ireland is less than $740.

  • Are there last-minute flights available from Illinois to Ireland for under $400?

    There are currently 20+ open flights from Illinois to Ireland within the next 7 days for less than $400.

  • What days are nonstop flights available from Illinois to Ireland?

    Nonstop flights can be found on the following days: Sunday, Tuesday, Thursday, Friday.

  • How many flights depart from Illinois to Ireland on average per day?

    On average 3 flights depart from Illinois to Ireland per day.
    Evening (6pm - Midnight) - 100% of flight departures

  • How long is the flight from Illinois to Ireland?

    Airlines like Icelandair, TAP AIR PORTUGAL, and Scandinavian Airlines fly from Illinois to Ireland in about 9h 45m. The time it takes to get you to your destination can typically vary by up to 24h 45m. The distance between Illinois and Ireland is about 3683 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Ireland one-way?

    $257 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 $325 and $361, respectively.

  • What does ORD to DUB mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Dublin Airport flight would often be abbreviated as a ORD to DUB flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Cork Airport (ORK), Shannon Airport (SNN), Knock Intl Airport (NOC), Milltown (Kerry) Kerry Airport (KIR), Galway Airport (GWY).

  • Can I find deals for flights from Illinois to Ireland that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to Ireland flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to Ireland with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to Ireland flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Illinois to Ireland that allow pets onboard?

    Many airlines flying from Illinois to Ireland offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to Ireland?

    Yes, you can often find last-minute deals on Illinois to Ireland flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to Ireland flight deals updated?

    The Illinois to Ireland flight deals you see on this page were last updated on 10/31.

  • 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 $497). 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.

See more FAQs

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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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$196Average$200FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$301Average$378FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$359Average$632FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$421Average$534FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$448Average$700FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$909FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$489Average$891FlexibilityNo cancel feeOn-time70%
KLMCheapest$506Average$796FlexibilityNo cancel feeOn-time75%
IberiaCheapest$507Average$753FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$513Average$912FlexibilityNo cancel feeOn-time69%
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