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$436+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$535
(Delta)

One-way from

$436
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$573

Good round-trip deal

$691 or less

Good one-way deal

$548 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 ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 8/305:55 amDUB - ORD
2 stops16h 39mDelta
Tue 9/25:45 pmORD - DUB
2 stops15h 15mDelta
Deal found 4/29$535
This Delta deal was found by Cheapflights users on 4/29. 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 8/278:55 amDUB - MDW
2 stops15h 33mDelta
Sun 8/311:00 pmMDW - DUB
2 stops13h 15mDelta
Deal found 4/29$535
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:20 amDUB - ORD
2 stops16h 09mAir Canada
Wed 9/173:35 pmORD - DUB
1 stop10h 10mAir Canada
Deal found 4/29$536
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:35 amDUB - ORD
Nonstop8h 00mUnited Airlines
Sun 9/218:20 pmORD - DUB
Nonstop7h 25mUnited Airlines
Deal found 4/29$541
This Iberia deal was found by Cheapflights users on 4/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/101:45 pmDUB - ORD
Nonstop8h 00mIberia
Wed 10/110:20 pmORD - DUB
Nonstop7h 20mIberia
Deal found 4/29$543
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/510:00 amDUB - MDW
1 stop14h 03mKLM
Mon 9/152:00 pmMDW - DUB
1 stop11h 55mKLM
Deal found 4/29$543
This Aunt Betty deal was found by Cheapflights users on 4/29. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:40 pmDUB - ORD
1 stop23h 30mMultiple Airlines
Mon 6/28:15 pmORD - DUB
Nonstop7h 30mMultiple Airlines
Deal found 4/29$546
This Lufthansa deal was found by Cheapflights users on 4/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/195:55 amDUB - ORD
2 stops18h 26mLufthansa
Mon 9/293:35 pmORD - DUB
1 stop19h 20mLufthansa
Deal found 4/29$547
This Vliegwinkel deal was found by Cheapflights users on 4/28. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/71:45 pmDUB - ORD
Nonstop8h 00mBritish Airways
Mon 6/308:50 pmORD - DUB
1 stop26h 40mBritish Airways
Deal found 4/28$552
This Bravofly deal was found by Cheapflights users on 4/30. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2011:30 amDUB - ORD
Nonstop8h 30mAer Lingus
Fri 11/285:00 pmORD - DUB
1 stop11h 15mAer Lingus
Deal found 4/30$554
This Air France deal was found by Cheapflights users on 4/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1512:00 pmDUB - MDW
1 stop12h 07mAir France
Tue 9/303:40 pmMDW - DUB
1 stop11h 05mAir France
Deal found 4/30$555
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Sun 5/257:15 pmDUB - ORD
2 stops50h 55mScandinavian Airlines
Mon 11/177:20 pmORD - DUB
1 stop17h 00mScandinavian Airlines
Deal found 4/28$556

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 May 1, 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 5/8

11:10 am-9:30 pm

2 stops16h 20m

Chicago O'Hare Intl

Wed 5/14

10:05 am-8:20 am

2 stops16h 15m

$535

DublinChicago

DUB - MDW

DUBMDW

Dublin

Wed 8/27

8:55 am-6:28 pm

2 stops15h 33m

Chicago Midway

Sun 8/31

1:00 pm-8:15 am

2 stops13h 15m

$535

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 5/19

10:40 am-6:15 pm

1 stop13h 35m

Chicago O'Hare Intl

Mon 5/26

8:15 pm-9:45 am

Nonstop7h 30m

$536

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 5/16

9:20 am-12:32 pm

1 stop33h 12m

Chicago O'Hare Intl

Sun 5/25

8:25 pm-8:15 am

1 stop29h 50m

$537

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 5/8

11:35 am-1:35 pm

Nonstop8h 00m

Chicago O'Hare Intl

Wed 5/14

4:25 pm-10:20 am

1 stop11h 55m

$542

DublinChicago

DUB - MDW

DUBMDW

Dublin

Fri 9/5

10:00 am-6:03 pm

1 stop14h 03m

Chicago Midway

Mon 9/15

2:00 pm-7:55 am

1 stop11h 55m

$543

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 6/7

1:45 pm-3:45 pm

Nonstop8h 00m

Chicago O'Hare Intl

Mon 6/30

8:50 pm-5:30 am

1 stop26h 40m

$552

DublinChicago

DUB - MDW

DUBMDW

Dublin

Mon 9/15

12:00 pm-6:07 pm

1 stop12h 07m

Chicago Midway

Tue 9/30

3:40 pm-8:45 am

1 stop11h 05m

$555

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 5/25

7:15 pm-4:10 pm

2 stops50h 55m

Chicago O'Hare Intl

Mon 11/17

7:20 pm-6:20 pm

1 stop17h 00m

$556

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 5/19

6:40 pm-12:00 pm

2 stops23h 20m

Chicago O'Hare Intl

Mon 5/26

7:05 pm-5:50 pm

1 stop16h 45m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 56 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 May 1, 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 May 1, 2025.

The most flights from DUB to USIL are scheduled on a Thursday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

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 May 1, 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
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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 ($446), Aer Lingus ($447), and Icelandair ($470).

  • 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 (88%), American Airlines (82%), British Airways( 82%).

  • What are the cheapest flights from Dublin to Illinois?

    While on average a flight from Dublin to Illinois is generally $1,645, our data shows the cheapest flight currently is $453. When looking at the most popular route, (Dublin - Chicago O'Hare Intl), you can expect to pay $396 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$368Average$795FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$401Average$574FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$648Average$730FlexibilityNo cancel feeOn-time69%

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