Illinois

$442+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
Nov 25 — Dec 21
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dublin to Illinois with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dublin to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

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 November 20, 2024.

This Fly & Visit Rome deal was found by Cheapflights users on 11/19. 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 Fly & Visit Rome is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1611:30 amDUB - ORD
Nonstop8h 30mAer Lingus
Fri 1/319:00 pmORD - DUB
Nonstop7h 20mAer Lingus
Deal found 11/19$495
This Icelandair deal was found by Cheapflights users on 11/19. 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.
Wed 11/2711:30 amDUB - ORD
1 stop11h 50mIcelandair
Thu 1/236:30 pmORD - DUB
1 stop9h 45mIcelandair
Deal found 11/19$497
This TravelUp deal was found by Cheapflights users on 11/19. 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 11/266:00 amDUB - ORD
2 stops16h 52mAir France
Sun 1/2611:05 amORD - DUB
2 stops15h 40mAir France
Deal found 11/19$499
This oojo deal was found by Cheapflights users on 11/19. 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.
Thu 12/1212:05 pmDUB - ORD
2 stops33h 45mScandinavian Airlines
Thu 1/97:10 pmORD - DUB
1 stop32h 15mScandinavian Airlines
Deal found 11/19$500
This TravelUp deal was found by Cheapflights users on 11/18. 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.
Thu 12/58:40 amDUB - ORD
1 stop14h 20mMultiple Airlines
Sun 12/89:45 pmORD - DUB
1 stop32h 50mMultiple Airlines
Deal found 11/18$501
This Delta deal was found by Cheapflights users on 11/19. 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 11/278:50 amDUB - ORD
2 stops17h 35mDelta
Mon 1/2710:05 amORD - DUB
2 stops16h 00mDelta
Deal found 11/19$507
This Delta deal was found by Cheapflights users on 11/19. 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.
Tue 11/265:55 amDUB - MDW
2 stops18h 37mDelta
Sun 1/262:08 pmMDW - DUB
2 stops19h 32mDelta
Deal found 11/19$507
This KLM deal was found by Cheapflights users on 11/19. 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.
Wed 11/278:50 amDUB - ORD
2 stops15h 44mKLM
Sat 1/254:58 pmORD - DUB
2 stops13h 42mKLM
Deal found 11/19$512
This British Airways deal was found by Cheapflights users on 11/19. 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.
Tue 11/268:40 amDUB - ORD
1 stop12h 05mBritish Airways
Thu 1/235:00 pmORD - DUB
1 stop10h 50mBritish Airways
Deal found 11/19$513
This Flightnetwork deal was found by Cheapflights users on 11/20. 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.
Thu 12/55:15 amDUB - ORD
1 stop14h 10mLufthansa
Sun 12/89:25 pmORD - DUB
1 stop30h 35mLufthansa
Deal found 11/20$515
This KLM deal was found by Cheapflights users on 11/19. 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.
Tue 12/1011:30 amDUB - MDW
1 stop16h 36mKLM
Tue 12/1710:38 amMDW - DUB
1 stop15h 47mKLM
Deal found 11/19$517
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Sat 12/79:00 amDUB - ORD
1 stop15h 37mUnited Airlines
Wed 12/112:00 pmORD - DUB
2 stops14h 05mUnited Airlines
Deal found 11/20$529

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 1/31

8:50 am-2:30 pm

1 stop11h 40m

Chicago O'Hare Intl

Fri 2/7

12:30 pm-8:05 am

2 stops13h 35m

$492

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 12/16

11:30 am-2:00 pm

Nonstop8h 30m

Chicago O'Hare Intl

Fri 1/31

9:00 pm-10:20 am

Nonstop7h 20m

$495

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 12/12

12:05 pm-3:50 pm

2 stops33h 45m

Chicago O'Hare Intl

Thu 1/9

7:10 pm-9:25 am

1 stop32h 15m

$500

DublinChicago

DUB - MDW

DUBMDW

Dublin

Fri 1/31

8:50 am-6:14 pm

2 stops15h 24m

Chicago Midway

Sat 2/8

5:05 pm-12:40 pm

2 stops13h 35m

$502

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 12/5

5:55 am-8:25 pm

2 stops20h 30m

Chicago O'Hare Intl

Mon 12/9

5:20 pm-3:40 pm

1 stop16h 20m

$507

DublinChicago

DUB - MDW

DUBMDW

Dublin

Tue 12/10

5:55 am-5:01 pm

2 stops17h 06m

Chicago Midway

Tue 12/17

12:44 pm-8:25 am

1 stop13h 41m

$509

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 12/5

5:15 am-1:25 pm

1 stop14h 10m

Chicago O'Hare Intl

Sun 12/8

9:25 pm-10:00 am

1 stop30h 35m

$515

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 4/20

6:05 am-3:00 pm

1 stop14h 55m

Chicago O'Hare Intl

Wed 4/30

5:15 pm-10:40 pm

1 stop23h 25m

$520

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 1/11

4:05 pm-2:45 pm

1 stop28h 40m

Chicago O'Hare Intl

Fri 1/24

5:00 pm-5:00 pm

1 stop18h 00m

$523

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 1/11

11:30 am-5:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Fri 1/24

6:30 pm-10:15 am

1 stop9h 45m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 46 results
1
2
3
...
5

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, September is the cheapest month in which you can book a flight from Dublin to Illinois (average of $232). Flying from Dublin to Illinois in June is currently the most expensive (average of $308). 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 November 20, 2024.

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 November 20, 2024.

The most flights from DUB to USIL are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 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 November 20, 2024.
See what other customers who have flown with KLM, Aer Lingus and American Airlines 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.
8.0
Very good
8,756 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 10

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

8.0
Very good
8,756 reviews
8.0
Very good
8,756 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 10

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

8.0
Very good
9,461 reviews
8.0
Very good
8,756 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 10

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

7.8
Good
1,350 reviews
8.0
Very good
8,756 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 10

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

7.6
Good
805 reviews
8.0
Very good
8,756 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 10

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

7.6
Good
1,637 reviews
8.0
Very good
8,756 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 10

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 Icelandair ($443), Scandinavian Airlines ($469), and British Airways ($476).

  • What are the most popular routes from Dublin to Illinois?

  • 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 (83%), 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 $1,493, our data shows the cheapest flight currently is $443. When looking at the most popular route, (Dublin - Chicago O'Hare Intl), you can expect to pay $376 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, September is the cheapest month in which you can book a flight from Dublin to Illinois (average of $232). Flying from Dublin to Illinois in June is currently the most expensive (average of $308). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Dublin to Illinois

Discover the top 5 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$298Average$655FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$368Average$651FlexibilityNo cancel feeOn-time70%
IcelandairCheapest$373Average$517FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$399Average$540FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$648Average$745FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.