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$301+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Round-trip from

$496
(Gotogate)

One-way from

$301
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$543

Good round-trip deal

$680 or less

Good one-way deal

$494 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. 16% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This TravelUp deal was found by Cheapflights users on 3/26. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3010:00 amDUB - MDW
1 stop13h 19mAir France
Wed 5/712:48 pmMDW - DUB
1 stop13h 57mAir France
Deal found 3/26$500
This Billigflug deal was found by Cheapflights users on 3/27. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/109:30 amDUB - ORD
1 stop11h 33mMultiple Airlines
Wed 4/166:30 pmORD - DUB
1 stop29h 00mMultiple Airlines
Deal found 3/27$507
This Ticket deal was found by Cheapflights users on 3/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1110:00 amDUB - MDW
1 stop13h 45mKLM
Sun 5/189:20 amMDW - DUB
1 stop16h 25mKLM
Deal found 3/27$509
This Delta deal was found by Cheapflights users on 3/27. 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.
Mon 5/125:55 amDUB - ORD
1 stop14h 15mDelta
Mon 5/192:15 pmORD - DUB
1 stop14h 30mDelta
Deal found 3/27$510
This Ticket deal was found by Cheapflights users on 3/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/115:55 amDUB - ORD
1 stop14h 15mKLM
Sun 5/1811:03 amORD - DUB
1 stop14h 42mKLM
Deal found 3/27$514
This Air France deal was found by Cheapflights users on 3/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/159:10 amDUB - ORD
1 stop11h 50mAir France
Tue 5/2011:03 amORD - DUB
1 stop14h 42mAir France
Deal found 3/27$515
This Delta deal was found by Cheapflights users on 3/27. 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.
Thu 4/35:55 amDUB - MDW
2 stops14h 22mDelta
Wed 4/99:52 amMDW - DUB
1 stop16h 53mDelta
Deal found 3/27$516
This oojo deal was found by Cheapflights users on 3/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1011:45 amDUB - ORD
2 stops34h 25mScandinavian Airlines
Wed 10/17:30 amORD - DUB
2 stops22h 20mScandinavian Airlines
Deal found 3/27$521
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/311:45 amDUB - ORD
1 stop12h 12mAmerican Airlines
Fri 4/113:10 pmORD - DUB
1 stop32h 20mAmerican Airlines
Deal found 3/27$522
This British Airways deal was found by Cheapflights users on 3/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:10 pmDUB - ORD
1 stop21h 40mBritish Airways
Sat 10/44:55 pmORD - DUB
1 stop13h 00mBritish Airways
Deal found 3/27$534
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Thu 4/34:40 pmDUB - ORD
Nonstop8h 20mAer Lingus
Fri 4/113:45 pmORD - DUB
Nonstop7h 25mAer Lingus
Deal found 3/27$537
This Icelandair deal was found by Cheapflights users on 3/27. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2611:15 amDUB - ORD
1 stop15h 00mIcelandair
Wed 11/56:30 pmORD - DUB
1 stop9h 45mIcelandair
Deal found 3/27$542

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 March 28, 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 - MDW

DUBMDW

Dublin

Wed 4/30

10:00 am-5:19 pm

1 stop13h 19m

Chicago Midway

Wed 5/7

12:48 pm-8:45 am

1 stop13h 57m

$500

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 4/10

9:30 am-3:03 pm

1 stop11h 33m

Chicago O'Hare Intl

Wed 4/16

6:30 pm-5:30 am

1 stop29h 00m

$507

DublinChicago

DUB - MDW

DUBMDW

Dublin

Sun 5/11

10:00 am-5:45 pm

1 stop13h 45m

Chicago Midway

Sun 5/18

9:20 am-7:45 am

1 stop16h 25m

$509

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 5/12

5:55 am-2:10 pm

1 stop14h 15m

Chicago O'Hare Intl

Mon 5/19

2:15 pm-10:45 am

1 stop14h 30m

$510

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 4/10

8:55 am-2:10 pm

1 stop11h 15m

Chicago O'Hare Intl

Thu 4/17

4:20 pm-4:40 pm

1 stop18h 20m

$512

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 5/15

9:10 am-3:00 pm

1 stop11h 50m

Chicago O'Hare Intl

Tue 5/20

11:03 am-7:45 am

1 stop14h 42m

$515

DublinChicago

DUB - MDW

DUBMDW

Dublin

Thu 5/15

5:55 am-6:45 pm

2 stops18h 50m

Chicago Midway

Tue 5/20

9:20 am-7:45 am

1 stop16h 25m

$516

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 9/10

11:45 am-4:10 pm

2 stops34h 25m

Chicago O'Hare Intl

Wed 10/1

7:30 am-11:50 am

2 stops22h 20m

$521

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 9/20

8:10 pm-11:50 am

1 stop21h 40m

Chicago O'Hare Intl

Sat 10/4

4:55 pm-11:55 am

1 stop13h 00m

$534

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 4/24

4:40 pm-7:00 pm

Nonstop8h 20m

Chicago O'Hare Intl

Sat 5/3

4:55 pm-10:15 am

1 stop11h 20m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 54 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 $323). 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 March 28, 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.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 March 28, 2025.
See what other customers who have flown with Delta, KLM and Finnair from Dublin to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.5
Good
769 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 WestJet ($301), Icelandair ($387), and Scandinavian Airlines ($404).

  • 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: Aer Lingus (94%), American Airlines (91%), British Airways( 91%).

  • What are the cheapest flights from Dublin to Illinois?

    While on average a flight from Dublin to Illinois is generally $1,523, our data shows the cheapest flight currently is $429. When looking at the most popular route, (Dublin - Chicago O'Hare Intl), you can expect to pay $359 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 $323). 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$368Average$795FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$401Average$566FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$648Average$745FlexibilityNo cancel feeOn-time69%
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