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Illinois

$435+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Round-trip from

$452
(Icelandair)

One-way from

$435
(Cheapflightsfares)

Popular in

July

Cheapest in

September

Average price

$604

Good round-trip deal

$602 or less

Good one-way deal

$519 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. 15% 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 October 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 October 30, 2025.

This Icelandair 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:30 amDUB - ORD
1 stop11h 50mIcelandair
Fri 11/286:30 pmORD - DUB
1 stop9h 45mIcelandair
Deal found 10/29$452
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Thu 11/207:05 pmDUB - ORD
1 stop27h 40mScandinavian Airlines
Thu 11/277:20 pmORD - DUB
2 stops16h 50mScandinavian Airlines
Deal found 10/28$456
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.
Thu 11/138:50 amDUB - ORD
1 stop14h 10mMultiple Airlines
Sun 11/168:40 pmORD - DUB
1 stop11h 40mMultiple Airlines
Deal found 10/30$458
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:30 pmDUB - ORD
1 stop34h 15mScandinavian Airlines
Sun 11/167:20 pmORD - DUB
2 stops18h 15mScandinavian Airlines
Deal found 10/29$459
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.
Thu 11/63:55 pmDUB - ORD
1 stop29h 30mAmerican Airlines
Fri 11/146:30 pmORD - DUB
1 stop14h 35mAmerican Airlines
Deal found 10/30$461
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2210:10 amDUB - ORD
1 stop12h 35mScandinavian Airlines
Fri 11/287:20 pmORD - DUB
1 stop32h 05mScandinavian Airlines
Deal found 10/29$462
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:10 amDUB - ORD
1 stop12h 35mScandinavian Airlines
Mon 11/177:20 pmORD - DUB
1 stop17h 00mScandinavian Airlines
Deal found 10/29$463
This SmartFares deal was found by Cheapflights users on 10/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:10 amDUB - ORD
1 stop14h 00mLufthansa
Sun 12/286:35 pmORD - DUB
Nonstop7h 35mLufthansa
Deal found 10/28$464
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.
Fri 11/711:30 amDUB - ORD
1 stop12h 14mAmerican Airlines
Fri 11/148:40 pmORD - DUB
1 stop12h 25mAmerican Airlines
Deal found 10/30$468
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.
Sat 11/2211:30 amDUB - ORD
1 stop12h 14mAmerican Airlines
Fri 11/282:50 pmORD - DUB
2 stops18h 15mAmerican Airlines
Deal found 10/29$469
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:55 amDUB - ORD
1 stop14h 25mDelta
Thu 11/1310:40 amORD - DUB
2 stops15h 20mDelta
Deal found 10/30$470
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:55 amDUB - ORD
1 stop14h 25mDelta
Wed 12/35:20 pmORD - DUB
1 stop16h 25mDelta
Deal found 10/29$471

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 October 30, 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

Thu 12/11

11:30 am-5:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Mon 12/15

6:30 pm-10:15 am

1 stop9h 45m

$451

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 12/11

11:30 am-5:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Wed 12/17

6:30 pm-10:15 am

1 stop9h 45m

$451

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 2/25

12:30 pm-4:45 pm

1 stop34h 15m

Chicago O'Hare Intl

Sun 3/1

7:20 pm-7:35 pm

2 stops18h 15m

$458

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 12/24

5:55 am-2:20 pm

1 stop14h 25m

Chicago O'Hare Intl

Sat 1/10

7:00 am-8:05 am

2 stops19h 05m

$463

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 2/22

9:00 am-3:10 pm

1 stop12h 10m

Chicago O'Hare Intl

Wed 3/4

6:35 pm-8:10 am

Nonstop7h 35m

$465

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 12/5

9:00 am-3:10 pm

1 stop12h 10m

Chicago O'Hare Intl

Mon 12/15

6:35 pm-8:10 am

Nonstop7h 35m

$465

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 12/10

8:50 am-9:39 pm

2 stops18h 49m

Chicago O'Hare Intl

Sun 2/1

2:24 pm-12:40 pm

2 stops16h 16m

$468

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 12/8

9:00 am-5:48 pm

1 stop14h 48m

Chicago O'Hare Intl

Wed 2/4

3:35 pm-7:30 am

1 stop9h 55m

$469

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 2/22

6:00 am-3:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Wed 3/4

10:40 am-8:05 am

2 stops15h 25m

$469

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 12/14

9:00 am-3:10 pm

1 stop12h 10m

Chicago O'Hare Intl

Sat 1/31

1:00 pm-7:30 am

1 stop12h 30m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 53 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 $392). Flying from Dublin to Illinois in July is currently the most expensive (average of $622). 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 October 30, 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.

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 October 30, 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
8,998 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Aer Lingus
7.2
Good
1,363 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,541 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 22h 25m. 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 Aer Lingus ($435), British Airways ($437), and Delta ($621).

  • 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: American Airlines (80%), Aer Lingus (80%), Iberia( 80%).

  • What are the cheapest flights from Dublin to Illinois?

    While on average a flight from Dublin to Illinois is generally $1,208, our data shows the cheapest flight currently is $467. When looking at the most popular route, (Dublin - Chicago O'Hare Intl), you can expect to pay $418 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 $392). Flying from Dublin to Illinois in July is currently the most expensive (average of $622). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$393Average$514FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$455Average$630FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$479Average$696FlexibilityNo cancel feeOn-time69%

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