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$437+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This FlightHub deal was found by Cheapflights users on 12/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:30 pmDUB - ORD
1 stop34h 15mScandinavian Airlines
Fri 2/67:20 pmORD - DUB
2 stops34h 00mScandinavian Airlines
Deal found 12/15$596
This FlightHub deal was found by Cheapflights users on 12/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:30 pmDUB - ORD
2 stops29h 15mScandinavian Airlines
Sat 1/317:20 pmORD - DUB
2 stops34h 25mScandinavian Airlines
Deal found 12/13$597
This FlightHub deal was found by Cheapflights users on 12/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:30 pmDUB - ORD
1 stop34h 15mScandinavian Airlines
Thu 2/57:20 pmORD - DUB
1 stop17h 00mScandinavian Airlines
Deal found 12/15$598
This FlightHub deal was found by Cheapflights users on 12/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:30 pmDUB - ORD
2 stops29h 15mScandinavian Airlines
Wed 2/47:20 pmORD - DUB
1 stop17h 00mScandinavian Airlines
Deal found 12/15$599
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:05 pmDUB - ORD
1 stop27h 40mScandinavian Airlines
Fri 2/67:20 pmORD - DUB
1 stop32h 05mScandinavian Airlines
Deal found 12/15$605
This Gotogate deal was found by Cheapflights users on 12/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:30 amDUB - ORD
Nonstop8h 30mAer Lingus
Thu 1/17:40 pmORD - DUB
Nonstop7h 20mAer Lingus
Deal found 12/15$608
This Orbitz deal was found by Cheapflights users on 12/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:30 amDUB - ORD
Nonstop8h 30mAer Lingus
Thu 2/59:00 pmORD - DUB
Nonstop7h 20mAer Lingus
Deal found 12/15$615
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:10 pmDUB - ORD
1 stop30h 15mMultiple Airlines
Thu 2/55:10 pmORD - DUB
1 stop20h 40mMultiple Airlines
Deal found 12/15$619
This Scandinavian Airlines deal was found by Cheapflights users on 12/13. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:10 amDUB - ORD
1 stop12h 35mScandinavian Airlines
Thu 2/57:20 pmORD - DUB
1 stop17h 00mScandinavian Airlines
Deal found 12/13$620
This Scandinavian Airlines deal was found by Cheapflights users on 12/13. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:05 pmDUB - ORD
1 stop27h 40mScandinavian Airlines
Thu 2/57:20 pmORD - DUB
1 stop17h 00mScandinavian Airlines
Deal found 12/13$621
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:40 pmDUB - ORD
1 stop31h 45mAmerican Airlines
Thu 1/18:25 amORD - DUB
1 stop16h 45mAmerican Airlines
Deal found 12/15$623
This Delta deal was found by Cheapflights users on 12/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:45 amDUB - MDW
1 stop18h 37mDelta
Thu 2/51:26 pmMDW - DUB
2 stops13h 19mDelta
Deal found 12/13$661

Find flight deals from Dublin to Illinois

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

Round-trip from

$472
(Mytrip)

One-way from

$437
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$545

Good round-trip deal

$606 or less

Good one-way deal

$477 or less
From Dublin to Illinois
Search Deals
One-way flight from Dublin to Illinois
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Dublin to Illinois.
Search Deals
Price to beat on a one-way flight from Dublin to Illinois.
Search Deals

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 December 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

Tue 2/3

11:30 am-5:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Tue 2/10

6:30 pm-10:15 am

1 stop9h 45m

$533

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 1/24

10:10 am-4:45 pm

1 stop12h 35m

Chicago O'Hare Intl

Mon 1/26

7:01 am-11:45 am

2 stops22h 44m

$549

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 3/4

11:30 am-5:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Mon 3/9

7:30 pm-10:15 am

1 stop9h 45m

$549

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 2/3

11:30 am-4:45 pm

2 stops35h 15m

Chicago O'Hare Intl

Tue 2/10

10:40 am-11:45 am

2 stops19h 05m

$558

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 4/28

12:40 pm-4:10 pm

1 stop33h 30m

Chicago O'Hare Intl

Wed 5/6

7:15 pm-6:20 pm

1 stop17h 05m

$578

DublinChicago

DUB - MDW

DUBMDW

Dublin

Wed 2/18

5:55 am-5:37 pm

2 stops17h 42m

Chicago Midway

Wed 2/25

6:17 pm-3:45 pm

2 stops15h 28m

$584

DublinChicago

DUB - MDW

DUBMDW

Dublin

Thu 1/29

8:50 am-5:55 pm

2 stops15h 05m

Chicago Midway

Thu 2/5

1:26 pm-8:05 am

2 stops12h 39m

$587

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 4/29

12:15 pm-6:15 pm

1 stop12h 00m

Chicago O'Hare Intl

Thu 5/7

7:25 pm-11:05 am

1 stop9h 40m

$587

DublinChicago

DUB - MDW

DUBMDW

Dublin

Sun 2/22

9:45 am-5:45 pm

1 stop14h 00m

Chicago Midway

Wed 3/4

12:46 pm-7:45 am

1 stop12h 59m

$596

DublinChicago

DUB - MDW

DUBMDW

Dublin

Sun 2/22

9:45 am-10:42 pm

1 stop18h 57m

Chicago Midway

Wed 3/4

10:53 am-7:45 am

1 stop14h 52m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 42 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, February is the cheapest month in which you can book a flight from Dublin to Illinois (average of $385). Flying from Dublin to Illinois in July is currently the most expensive (average of $636). 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 December 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 December 15, 2025.

The most flights from DUB to USIL are scheduled on a Monday (13 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (11 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 December 15, 2025.
Read reviews from past customers who have flown United Airlines, Aer Lingus, and Icelandair 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
9,094 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,094 reviews
United Airlines
7.4
Good
9,094 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
Aer Lingus
7.2
Good
1,394 reviews
United Airlines
7.4
Good
9,094 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
Icelandair
7.0
Good
590 reviews
United Airlines
7.4
Good
9,094 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
Lufthansa
6.8
Okay
7,631 reviews
United Airlines
7.4
Good
9,094 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

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?

    Icelandair, Scandinavian Airlines, and Delta can get you from Dublin to Illinois in just under 11h 50m. Your travel time can differ by up to 5h 52m. 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 cheapest airlines to fly from Dublin to Illinois one-way?

    The cheapest airlines for a one-way flight from Dublin to Illinois are Icelandair ($320), Aer Lingus ($418), and Brussels Airlines ($426).

  • 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: Alaska Airlines (80%), Finnair (80%), Iberia( 79%).

  • What are the cheapest flights from Dublin to Illinois?

    While on average a flight from Dublin to Illinois is generally $1,155, our data shows the cheapest flight currently is $437. When looking at the most popular route, (Dublin - Chicago O'Hare Intl), you can expect to pay $401 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, February is the cheapest month in which you can book a flight from Dublin to Illinois (average of $385). Flying from Dublin to Illinois in July is currently the most expensive (average of $636). 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 Dublin to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Dublin to Illinois

Discover the top 4 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$388Average$585FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$411Average$543FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$455Average$636FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$479Average$680FlexibilityNo cancel feeOn-time69%

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