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$387+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
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 January 28, 2026.

This SmartFares deal was found by Cheapflights users on 1/26. 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.
Sun 3/17:05 pm
DUB
-
ORD
1 stop27h 40m
Scandinavian Airlines
Mon 3/98:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 1/26$405
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:05 pm
DUB
-
ORD
1 stop27h 40m
Scandinavian Airlines
Wed 3/118:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 1/26$432
This Finnair deal was found by Cheapflights users on 1/26. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:30 am
DUB
-
ORD
Nonstop8h 00m
Finnair
Mon 5/2510:25 pm
ORD
-
DUB
Nonstop7h 25m
Finnair
Deal found 1/26$440
This FlightHub deal was found by Cheapflights users on 1/27. 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 2/2512:30 pm
DUB
-
ORD
1 stop34h 15m
Scandinavian Airlines
Mon 3/27:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 1/27$442
This Finnair deal was found by Cheapflights users on 1/26. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/139:30 am
DUB
-
ORD
Nonstop8h 00m
Finnair
Tue 5/2610:25 pm
ORD
-
DUB
Nonstop7h 25m
Finnair
Deal found 1/26$444
This oojo deal was found by Cheapflights users on 1/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/227:05 pm
DUB
-
ORD
1 stop27h 40m
Scandinavian Airlines
Wed 3/47:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 1/26$449
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/247:05 pm
DUB
-
ORD
1 stop27h 40m
Scandinavian Airlines
Mon 3/27:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 1/27$452
This Finnair deal was found by Cheapflights users on 1/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:35 am
DUB
-
ORD
1 stop12h 20m
Multiple Airlines
Tue 5/2610:25 pm
ORD
-
DUB
Nonstop7h 25m
Multiple Airlines
Deal found 1/27$453
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:30 am
DUB
-
ORD
2 stops35h 15m
Scandinavian Airlines
Wed 3/47:20 pm
ORD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 1/28$455
This Delta deal was found by Cheapflights users on 1/26. 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 2/95:55 am
DUB
-
MDW
2 stops18h 00m
Delta
Mon 2/161:26 pm
MDW
-
DUB
2 stops20h 19m
Delta
Deal found 1/26$539
This Delta deal was found by Cheapflights users on 1/27. 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 2/135:55 am
DUB
-
MDW
2 stops18h 45m
Delta
Mon 2/161:26 pm
MDW
-
DUB
2 stops20h 19m
Delta
Deal found 1/27$540
This Delta deal was found by Cheapflights users on 1/26. 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 2/25:55 am
DUB
-
MDW
2 stops18h 41m
Delta
Mon 2/910:46 am
MDW
-
DUB
2 stops15h 59m
Delta
Deal found 1/26$542

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 January 28, 2026.

Round-trip from

$405
(SmartFares)

One-way from

$387
(Mytrip)

Popular in

July

Cheapest in

November

Average price

$590

Good round-trip deal

$698 or less

Good one-way deal

$528 or less
From Dublin to Illinois
Search Deals
One-way flight from Dublin to Illinois
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 28, 2026.
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

Fri 5/22

9:30 am-11:30 am

Nonstop8h 00m

Chicago O'Hare Intl

Tue 6/2

10:25 pm-11:50 am

Nonstop7h 25m

$440

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 5/15

9:30 am-11:30 am

Nonstop8h 00m

Chicago O'Hare Intl

Mon 5/25

10:25 pm-11:50 am

Nonstop7h 25m

$440

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 5/13

9:30 am-11:30 am

Nonstop8h 00m

Chicago O'Hare Intl

Tue 5/26

10:25 pm-11:50 am

Nonstop7h 25m

$444

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 2/25

7:05 pm-4:45 pm

1 stop27h 40m

Chicago O'Hare Intl

Wed 3/4

7:20 pm-6:20 pm

1 stop17h 00m

$455

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 3/31

10:30 am-5:35 pm

1 stop13h 05m

Chicago O'Hare Intl

Tue 4/7

10:35 pm-6:50 pm

1 stop14h 15m

$469

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 4/22

9:30 am-7:55 pm

1 stop16h 25m

Chicago O'Hare Intl

Sun 4/26

12:30 pm-9:45 am

1 stop15h 15m

$478

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 4/9

9:30 am-7:55 pm

1 stop16h 25m

Chicago O'Hare Intl

Thu 4/16

10:35 pm-6:40 pm

1 stop14h 05m

$481

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 2/15

10:10 am-4:55 pm

1 stop12h 45m

Chicago O'Hare Intl

Tue 2/24

10:11 am-11:45 am

2 stops19h 34m

$513

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 5/1

9:40 am-5:50 pm

1 stop14h 10m

Chicago O'Hare Intl

Thu 5/7

10:25 pm-11:50 am

Nonstop7h 25m

$513

DublinChicago

DUB - MDW

DUBMDW

Dublin

Wed 2/18

5:55 am-6:40 pm

2 stops18h 45m

Chicago Midway

Tue 2/24

6:20 pm-3:45 pm

2 stops15h 25m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 47 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, March is the cheapest month in which you can book a flight from Dublin to Illinois (average of $400). Flying from Dublin to Illinois in July is currently the most expensive (average of $637). 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 January 28, 2026.

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 January 28, 2026.

The most flights from DUB to USIL are scheduled on a Monday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Dublin to Illinois?

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 January 28, 2026.
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
9,212 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,212 reviews
United Airlines
7.4
Good
9,212 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Aer Lingus
7.2
Good
1,442 reviews
United Airlines
7.4
Good
9,212 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Lufthansa
6.8
Okay
7,749 reviews
United Airlines
7.4
Good
9,212 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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?

    Finnair, Scandinavian Airlines, and Delta can get you from Dublin to Illinois in just under 8h. Your travel time can differ by up to 19h 40m. 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 ($346), Aer Lingus ($429), and Lufthansa ($446).

  • 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: Air Canada (84%), Austrian Airlines (83%), Brussels Airlines( 83%).

  • What are the cheapest flights from Dublin to Illinois?

    While on average a flight from Dublin to Illinois is generally $1,094, our data shows the cheapest flight currently is $397. When looking at the most popular route, (Dublin - Chicago O'Hare Intl), you can expect to pay $405 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, March is the cheapest month in which you can book a flight from Dublin to Illinois (average of $400). Flying from Dublin to Illinois in July is currently the most expensive (average of $637). 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$411Average$543FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$463Average$637FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$479Average$680FlexibilityNo cancel feeOn-time69%

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