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$410+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
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 February 22, 2025.

Round-trip from

$410
(Mytrip)

One-way from

$410
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$521

Good round-trip deal

$559 or less

Good one-way deal

$479 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. 18% potential increase in price ($128 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 22, 2025.

This Mytrip deal was found by Cheapflights users on 2/21. 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 4/2412:20 pmDUB - ORD
2 stops33h 50mScandinavian Airlines
Mon 4/287:15 pmORD - DUB
1 stop17h 00mScandinavian Airlines
Deal found 2/21$410
This Gotogate deal was found by Cheapflights users on 2/21. 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.
Wed 5/2812:15 pmDUB - ORD
1 stop15h 00mIcelandair
Tue 8/267:25 pmORD - DUB
1 stop9h 40mIcelandair
Deal found 2/21$458
This TravelUp deal was found by Cheapflights users on 2/21. 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.
Tue 4/88:55 amDUB - ORD
1 stop11h 45mMultiple Airlines
Tue 4/155:10 pmORD - DUB
1 stop15h 50mMultiple Airlines
Deal found 2/21$486
This Flightnetwork deal was found by Cheapflights users on 2/21. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/284:40 pmDUB - ORD
Nonstop8h 35mAer Lingus
Thu 3/63:55 pmORD - DUB
Nonstop7h 20mAer Lingus
Deal found 2/21$500
This TravelUp deal was found by Cheapflights users on 2/21. 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.
Sat 3/12:05 pmDUB - ORD
1 stop12h 03mIberia
Sun 3/95:11 pmORD - DUB
1 stop10h 29mIberia
Deal found 2/21$509
This Delta deal was found by Cheapflights users on 2/21. 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 3/108:50 amDUB - ORD
1 stop11h 40mDelta
Tue 3/1810:25 amORD - DUB
2 stops16h 40mDelta
Deal found 2/21$510
This Delta deal was found by Cheapflights users on 2/22. 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 3/265:55 amDUB - MDW
2 stops17h 23mDelta
Mon 3/319:54 amMDW - DUB
1 stop16h 51mDelta
Deal found 2/22$511
This American Airlines deal was found by Cheapflights users on 2/21. 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 2/282:05 pmDUB - ORD
1 stop12h 03mAmerican Airlines
Sun 3/95:11 pmORD - DUB
1 stop10h 29mAmerican Airlines
Deal found 2/21$519
This KLM deal was found by Cheapflights users on 2/22. 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.
Mon 4/148:45 pmDUB - ORD
1 stop23h 55mKLM
Sun 4/204:20 pmORD - DUB
1 stop12h 05mKLM
Deal found 2/22$522
This Bravofly deal was found by Cheapflights users on 2/21. 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.
Sat 3/18:35 pmDUB - ORD
1 stop23h 20mBritish Airways
Sun 3/164:40 pmORD - DUB
2 stops34h 15mBritish Airways
Deal found 2/21$530
This TravelUp deal was found by Cheapflights users on 2/21. 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 12/310:00 amDUB - MDW
1 stop14h 03mAir France
Sat 12/66:50 pmMDW - DUB
1 stop31h 35mAir France
Deal found 2/21$536
This Billigflug deal was found by Cheapflights users on 2/21. 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.
Fri 2/289:00 amDUB - ORD
1 stop16h 37mAir Canada
Thu 3/69:07 pmORD - DUB
1 stop30h 58mAir Canada
Deal found 2/21$543

Find flights from Dublin to Illinois within your budget

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 February 22, 2025.

Fly from

Dublin

Fly to

Illinois

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 4/24

12:20 pm-4:10 pm

2 stops33h 50m

Chicago O'Hare Intl

Mon 4/28

7:15 pm-6:15 pm

1 stop17h 00m

$410

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 5/28

12:15 pm-9:15 pm

1 stop15h 00m

Chicago O'Hare Intl

Tue 8/26

7:25 pm-11:05 am

1 stop9h 40m

$458

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 4/8

8:55 am-2:40 pm

1 stop11h 45m

Chicago O'Hare Intl

Tue 4/15

5:10 pm-3:00 pm

1 stop15h 50m

$486

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 3/26

5:55 am-5:43 pm

2 stops16h 48m

Chicago O'Hare Intl

Mon 3/31

6:15 pm-3:00 pm

2 stops14h 45m

$508

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/10

2:05 pm-10:47 pm

1 stop13h 42m

Chicago O'Hare Intl

Tue 3/18

5:11 pm-8:40 am

1 stop10h 29m

$509

DublinChicago

DUB - MDW

DUBMDW

Dublin

Wed 3/26

5:55 am-6:18 pm

2 stops17h 23m

Chicago Midway

Mon 3/31

9:54 am-8:45 am

1 stop16h 51m

$511

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 4/14

8:45 pm-2:40 pm

1 stop23h 55m

Chicago O'Hare Intl

Sun 4/20

4:20 pm-10:25 am

1 stop12h 05m

$522

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 4/6

9:30 am-6:24 am

1 stop26h 54m

Chicago O'Hare Intl

Sun 4/13

10:28 am-5:30 am

1 stop13h 02m

$524

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 4/14

4:40 pm-7:00 pm

Nonstop8h 20m

Chicago O'Hare Intl

Sun 4/20

8:50 pm-10:15 am

Nonstop7h 25m

$535

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 3/7

9:00 am-7:42 pm

1 stop16h 42m

Chicago O'Hare Intl

Sat 8/30

8:15 pm-9:45 am

Nonstop7h 30m

$581

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

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.

Travel insights for flights from Dublin to Illinois

Get recent, data-driven insights about flights from Dublin to Illinois including ideal travel times, pricing trends, and more.

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 February 22, 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 February 22, 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
8,203 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

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
8,203 reviews
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

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
1,330 reviews
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

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
1,271 reviews
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

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
771 reviews
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

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
1,448 reviews
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

Boarding

8.2

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 ($413), TAP AIR PORTUGAL ($422), and Icelandair ($436).

  • 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 (57%), Aer Lingus (57%), British Airways( 57%).

  • What are the cheapest flights from Dublin to Illinois?

    While on average a flight from Dublin to Illinois is generally $951, our data shows the cheapest flight currently is $418. When looking at the most popular route, (Dublin - Chicago O'Hare Intl), you can expect to pay $390 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.

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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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$368Average$795FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$400Average$559FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$648Average$745FlexibilityNo cancel feeOn-time69%
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