HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dublin

$247+ Cheap flights from Illinois to Dublin (DUB)

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Dublin 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 Illinois to Dublin

Keep the following information in mind while searching for Illinois to Dublin flight deals. Data was last updated February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$471
(oojo)

One-way from

$247
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$556

Good round-trip deal

$657 or less

Good one-way deal

$488 or less
Provider with most accurate pricing for Chicago (CHI)-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Dublin flights.
Search Deals
From Illinois to Dublin
Search Deals
One-way flight from Illinois to Dublin
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($219 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Dublin.
Search Deals
Price to beat on a one-way flight from Illinois to Dublin.
Search Deals

Find flight deals from Illinois to Dublin

Cheapest flights from Illinois to Dublin
Explore the most affordable flight options available from Illinois to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:15 pmORD - DUB
1 stop23h 50mTAP AIR PORTUGAL
Tue 10/146:50 pmDUB - ORD
1 stop27h 20mTAP AIR PORTUGAL
Deal found 2/22$471
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.
Tue 4/15:22 pmORD - DUB
2 stops35h 43mMultiple Airlines
Tue 4/812:15 pmDUB - ORD
3 stops25h 49mMultiple Airlines
Deal found 2/21$478
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/257:15 pmORD - DUB
1 stop32h 10mScandinavian Airlines
Wed 4/307:05 pmDUB - ORD
1 stop27h 05mScandinavian Airlines
Deal found 2/22$484
This CrystalTravel 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:30 pmORD - DUB
1 stop9h 45mIcelandair
Mon 12/811:30 amDUB - ORD
1 stop11h 50mIcelandair
Deal found 2/21$518
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.
Mon 3/248:30 pmORD - DUB
1 stop28h 40mAir Canada
Wed 4/29:50 amDUB - ORD
1 stop11h 05mAir Canada
Deal found 2/21$535
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/13:45 pmORD - DUB
Nonstop7h 25mAer Lingus
Tue 4/811:35 amDUB - ORD
Nonstop8h 25mAer Lingus
Deal found 2/22$539
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/18:15 pmORD - DUB
Nonstop7h 30mUnited Airlines
Tue 4/89:50 amDUB - ORD
2 stops36h 47mUnited Airlines
Deal found 2/21$543
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1212:55 pmORD - DUB
1 stop19h 45mTurkish Airlines
Wed 3/194:55 pmDUB - ORD
1 stop23h 15mTurkish Airlines
Deal found 2/22$547
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.
Sun 3/237:00 amORD - DUB
1 stop20h 25mDelta
Tue 4/112:00 pmDUB - ORD
1 stop16h 15mDelta
Deal found 2/22$575
This KLM deal was found by Cheapflights users on 2/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/265:30 pmORD - DUB
1 stop11h 15mKLM
Mon 4/78:45 pmDUB - ORD
1 stop23h 55mKLM
Deal found 2/20$576
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/235:36 pmORD - DUB
2 stops13h 34mBritish Airways
Mon 4/78:55 pmDUB - ORD
1 stop22h 55mBritish Airways
Deal found 2/21$577
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.
Tue 4/112:51 pmMDW - DUB
1 stop13h 54mDelta
Tue 4/85:55 amDUB - MDW
2 stops18h 07mDelta
Deal found 2/21$586

Find flights from Illinois to Dublin within your budget

Customize your flight search to find flights from Illinois to Dublin 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

Illinois

Fly to

Dublin

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 3/28

9:25 pm-11:20 pm

1 stop20h 55m

Dublin

Thu 4/3

6:50 pm-4:10 pm

1 stop27h 20m

$471

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 4/1

5:22 pm-11:05 am

2 stops35h 43m

Dublin

Tue 4/8

12:15 pm-8:04 am

3 stops25h 49m

$478

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/9

8:55 pm-6:20 pm

1 stop16h 25m

Dublin

Sun 3/16

12:05 pm-6:50 pm

2 stops35h 45m

$483

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 4/1

2:05 pm-8:15 am

1 stop12h 10m

Dublin

Tue 4/8

9:50 am-2:55 pm

1 stop11h 05m

$530

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 4/1

3:45 pm-5:10 am

Nonstop7h 25m

Dublin

Tue 4/8

11:35 am-2:00 pm

Nonstop8h 25m

$539

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 4/1

8:15 pm-9:45 am

Nonstop7h 30m

Dublin

Tue 4/8

9:50 am-4:37 pm

2 stops36h 47m

$543

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 3/12

12:55 pm-1:40 pm

1 stop19h 45m

Dublin

Wed 3/19

4:55 pm-11:10 am

1 stop23h 15m

$547

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 3/24

2:40 pm-8:25 am

1 stop12h 45m

Dublin

Wed 4/2

12:00 pm-10:15 pm

1 stop16h 15m

$567

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/23

7:00 am-8:25 am

1 stop20h 25m

Dublin

Wed 4/2

12:00 pm-5:19 pm

1 stop11h 19m

$575

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/23

5:36 pm-12:10 pm

2 stops13h 34m

Dublin

Mon 4/7

8:55 pm-1:50 pm

1 stop22h 55m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 54 results
1
2
3
...
6

Best time to book a flight from Illinois to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Illinois 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 Illinois to Dublin

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

What is the cheapest month to book a flight from Illinois to Dublin?

Currently, November is the cheapest month in which you can book a flight from Illinois to Dublin (average of $509). Flying from Illinois to Dublin in June is currently the most expensive (average of $1,016). 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 IL to DUB?

Find hourly flight availability from Illinois to Dublin. 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Dublin as you normally would.

Rainfall in Dublin by month

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

In terms of precipitation, rainfall in Dublin ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Dublin when rainfall is around 1.9 in.

Temperature in Dublin by month

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

If weather is an important factor for your trip to Dublin, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated February 22, 2025.
See what other customers who have flown with Delta, KLM and Austrian Airlines from Illinois to Dublin 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

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,330 reviews
Delta
8.0
Very good
8,203 reviews

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.5
Good
771 reviews
Delta
8.0
Very good
8,203 reviews

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,566 reviews
Delta
8.0
Very good
8,203 reviews

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,448 reviews
Delta
8.0
Very good
8,203 reviews

Food

7.3

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Dublin. 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 into for flights to Dublin from Illinois?

    Dublin (DUB), located 5.7 mi from the city center, is the airport you fly into when you book flights from Illinois to Dublin.

  • What are the cheapest airlines to fly from Illinois to Dublin one-way?

    The cheapest airlines for a one-way flight from Illinois to Dublin are Icelandair ($294), TAP AIR PORTUGAL ($339), and WestJet ($355).

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

    Most travelers choose Chicago O'Hare Intl - Dublin, Chicago Midway - Dublin or Lambert-St Louis - Dublin when deciding on the best route from Illinois to Dublin.

  • What are the most reliable airlines from Illinois to Dublin?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to Dublin on time: American Airlines (74%), Aer Lingus (74%), British Airways (74%).

  • What are the cheapest flights from Illinois to Dublin?

    Looking for the cheapest flight from Illinois to Dublin? While on average our users pay $1,514, our data indicates the cheapest price to be $399. The most popular route (Chicago O'Hare Intl - Dublin), is priced around $464.

  • Can I find deals for flights from Illinois to Dublin that include hotel bookings?

    Yes. In addition to deals on Illinois to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Dublin.

  • Can I find deals for business class flights from Illinois to Dublin?

    Yes. Cheapflights offers flight deals from Illinois to Dublin 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 Illinois to Dublin?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Dublin (average of $509). Flying from Illinois to Dublin in June is currently the most expensive (average of $1,016). 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

Traveling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Maynooth
Swords
Wicklow
Leixlip

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.

Alternative routes for Illinois to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Dublin flights
Newark to Dublin flights
Boston to Dublin flights
O'Hare Intl to Dublin flights
Dulles Intl to Dublin flights
LaGuardia to Dublin flights
Seattle to Dublin flights
Los Angeles to Dublin flights
Dallas/Fort Worth to Dublin flights
Minneapolis to Dublin flights
Philadelphia to Dublin flights
San Francisco to Dublin flights
Stewart to Dublin flights
Atlanta to Dublin flights
Orlando to Dublin flights
Reagan-National to Dublin flights
Baltimore to Dublin flights
Denver to Dublin flights
Midway to Dublin flights
Charlotte to Dublin flights
Boston to Shannon flights
Cleveland to Dublin flights
John F Kennedy Intl to Shannon flights
Hartford to Dublin flights
Newark to Shannon flights
Love Field to Dublin flights
Raleigh to Dublin flights
Detroit to Dublin flights
Nashville to Dublin flights
LaGuardia to Shannon flights
Portland to Dublin flights
Hobby to Dublin flights
Kansas City to Dublin flights
St. Louis to Dublin flights
Sky Harbor Intl to Dublin flights
Ontario to Dublin flights
Miami to Dublin flights
Austin to Dublin flights
George Bush Intcntl to Dublin flights
Oakland to Dublin flights
San Jose to Dublin flights
Tampa to Dublin flights
Santa Ana to Dublin flights
Cincinnati to Dublin flights
Burbank to Dublin flights
Pittsburgh to Dublin flights
Indianapolis to Dublin flights
O'Hare Intl to Shannon flights
Des Moines to Dublin flights
San Diego to Dublin flights

Top 10 airlines flying from Illinois to Dublin

Discover the top 10 airlines that operate flights from Illinois to Dublin. 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
Air FranceCheapest$196Average$200FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$341Average$485FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$357Average$586FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$394Average$466FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$448Average$695FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$482Average$731FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$498Average$630FlexibilityNo cancel feeOn-time70%
IberiaCheapest$507Average$747FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$513Average$913FlexibilityNo cancel feeOn-time69%
FinnairCheapest$525Average$821FlexibilityNo cancel feeOn-time76%
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.