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$424+ Cheap flights from Dublin (DUB) to Illinois

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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Dublin to Illinois

Keep the following information in mind while searching for Dublin to Illinois flight deals. Data was last updated September 15, 2025.

Round-trip from

$447
(Scandinavian Airlines)

One-way from

$424
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$509

Good round-trip deal

$531 or less

Good one-way deal

$572 or less
From Dublin to Illinois
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One-way flight from Dublin to Illinois
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Highest demand for flights based on searches. 14% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Dublin to Illinois.
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Price to beat on a one-way flight from Dublin to Illinois.
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Find flight deals from Dublin to Illinois

Cheapest flights from Dublin to Illinois
Explore the most affordable flight options available from Dublin to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 9/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:30 amDUB - ORD
2 stops36h 15mScandinavian Airlines
Sun 11/27:20 pmORD - DUB
2 stops18h 15mScandinavian Airlines
Deal found 9/14$447
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:55 amDUB - ORD
1 stop13h 00mLufthansa
Mon 11/39:50 pmORD - DUB
1 stop13h 20mLufthansa
Deal found 9/14$448
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:45 amDUB - ORD
1 stop14h 20mLufthansa
Sun 11/29:50 pmORD - DUB
1 stop13h 20mLufthansa
Deal found 9/14$451
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/110:55 amDUB - ORD
1 stop11h 50mAmerican Airlines
Sat 11/88:40 pmORD - DUB
1 stop11h 35mAmerican Airlines
Deal found 9/14$453
This lastminute.com deal was found by Cheapflights users on 9/13. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1311:35 amDUB - ORD
Nonstop8h 25mAer Lingus
Mon 10/203:45 pmORD - DUB
Nonstop7h 25mAer Lingus
Deal found 9/13$454
This Lufthansa deal was found by Cheapflights users on 9/15. 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.
Sun 11/25:10 amDUB - ORD
1 stop20h 55mLufthansa
Sun 11/96:35 pmORD - DUB
Nonstop7h 35mLufthansa
Deal found 9/15$455
This Expedia deal was found by Cheapflights users on 9/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:00 amDUB - ORD
1 stop16h 20mMultiple Airlines
Tue 11/46:50 pmORD - DUB
1 stop16h 55mMultiple Airlines
Deal found 9/13$456
This Lufthansa deal was found by Cheapflights users on 9/15. 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 10/315:10 amDUB - ORD
1 stop16h 10mMultiple Airlines
Tue 11/46:50 pmORD - DUB
1 stop16h 55mMultiple Airlines
Deal found 9/15$457
This Travelocity deal was found by Cheapflights users on 9/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:55 amDUB - ORD
1 stop13h 00mLufthansa
Thu 10/238:20 pmORD - DUB
Nonstop7h 25mLufthansa
Deal found 9/14$458
This Lufthansa deal was found by Cheapflights users on 9/13. 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.
Mon 10/135:55 amDUB - ORD
1 stop13h 00mLufthansa
Mon 10/208:20 pmORD - DUB
Nonstop7h 25mLufthansa
Deal found 9/13$459
This American Airlines deal was found by Cheapflights users on 9/14. 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 12/1711:30 amDUB - ORD
1 stop14h 56mAmerican Airlines
Tue 1/66:45 pmORD - DUB
1 stop32h 55mAmerican Airlines
Deal found 9/14$460
This British Airways deal was found by Cheapflights users on 9/14. 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 11/118:50 amDUB - ORD
2 stops18h 00mBritish Airways
Tue 11/1811:48 amORD - DUB
2 stops15h 47mBritish Airways
Deal found 9/14$461

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dublin to Illinois 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 September 15, 2025.
Use the filters below to find and compare flights from Dublin to Illinois that are best for you.

Fly from

Dublin

Fly to

Illinois

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 10/29

11:30 am-6:45 pm

2 stops36h 15m

Chicago O'Hare Intl

Sun 11/2

7:20 pm-7:35 pm

2 stops18h 15m

$447

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 11/2

11:30 am-5:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Sun 11/9

6:30 pm-10:15 am

1 stop9h 45m

$447

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 3/1

11:30 am-2:00 pm

Nonstop8h 30m

Chicago O'Hare Intl

Wed 3/11

10:45 pm-3:40 pm

1 stop11h 55m

$449

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 11/2

5:10 am-9:05 pm

1 stop20h 55m

Chicago O'Hare Intl

Sun 11/9

6:35 pm-8:10 am

Nonstop7h 35m

$455

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 11/22

5:10 am-3:20 pm

1 stop16h 10m

Chicago O'Hare Intl

Mon 11/24

6:35 pm-8:10 am

Nonstop7h 35m

$455

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 10/20

5:55 am-12:55 pm

1 stop13h 00m

Chicago O'Hare Intl

Thu 10/30

7:35 pm-8:10 am

Nonstop7h 35m

$459

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 10/29

5:55 am-3:20 pm

1 stop14h 25m

Chicago O'Hare Intl

Tue 11/4

5:20 pm-3:45 pm

1 stop16h 25m

$460

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 10/26

5:55 am-3:20 pm

1 stop14h 25m

Chicago O'Hare Intl

Sun 11/16

5:20 pm-3:45 pm

1 stop16h 25m

$460

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 11/11

8:50 am-8:50 pm

2 stops18h 00m

Chicago O'Hare Intl

Mon 11/17

8:40 pm-5:05 pm

1 stop14h 25m

$461

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 11/12

8:50 am-8:50 pm

2 stops18h 00m

Chicago O'Hare Intl

Sun 11/16

8:40 pm-3:05 pm

1 stop12h 25m

$461

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 49 results
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Best time to book a flight from Dublin to Illinois

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

Cheapflights Insights

Everything you need to know about your flight from Dublin to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Dublin to Illinois (average of $245). Flying from Dublin to Illinois in March is currently the most expensive (average of $321). 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 DUB to IL?

Find hourly flight availability from Dublin to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Dublin to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Dublin to Illinois

Explore weekly flight availability from Dublin to Illinois. 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 September 15, 2025.

The most flights from DUB to USIL are scheduled on a Saturday (20 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (15 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated September 15, 2025.
Read reviews from past customers who have flown United Airlines, Aer Lingus, and Lufthansa from Dublin to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Aer Lingus
7.2
Good
1,270 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
7,407 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Dublin to Illinois?

    Located just 5.7 mi from the city center, Dublin (DUB) is the airport most travelers will use when flying to Illinois from Dublin.

  • How long is the flight from Dublin to Illinois?

    Scandinavian Airlines, Icelandair, and Aer Lingus can get you from Dublin to Illinois in just under 8h 30m. Your travel time can differ by up to 27h 45m. Dublin and Illinois are separated by a distance of 3661 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Dublin to Illinois?

    The most popular flight routes from Dublin to Illinois are Dublin - Chicago O'Hare Intl, Dublin - Chicago Midway and Dublin - Lambert-St Louis.

  • What are the most reliable airlines from Dublin to Illinois?

    Before booking your flight to Illinois from Dublin, check out the most reliable airlines to get you to your destination on time: Iberia (83%), American Airlines (75%), Aer Lingus( 75%).

  • What are the cheapest flights from Dublin to Illinois?

    While on average a flight from Dublin to Illinois is generally $1,167, our data shows the cheapest flight currently is $463. When looking at the most popular route, (Dublin - Chicago O'Hare Intl), you can expect to pay $381 for that flight.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Dublin to Illinois (average of $245). Flying from Dublin to Illinois in March is currently the most expensive (average of $321). 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 Dublin to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Dublin to Illinois

Discover the top 3 airlines that operate flights from Dublin to Illinois. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$393Average$514FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$463Average$582FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$473Average$752FlexibilityNo cancel feeOn-time69%

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