Dublin

$401+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
abr. 27 — may. 41
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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 abril 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$580
(Billigflug)

One-way from

$401
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$705

Good round-trip deal

$710 or less

Good one-way deal

$513 or less
Provider with most accurate pricing for Chicago (CHI)-Dublin flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Dublin flights.
From Illinois to Dublin
One-way flight from Illinois to Dublin
Highest demand for flights based on searches. 20% potential increase in price ($173 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Illinois to Dublin.
Price to beat on a one-way flight from Illinois to Dublin.

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 abril 22, 2025.

This United Airlines deal was found by Cheapflights users on 4/21. 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.
mar. 11/113:20 pmDEC - DUB
2 stops12h 45mUnited Airlines
mar. 11/1811:50 amDUB - DEC
2 stops29h 01mUnited Airlines
Deal found 4/21$576
This Delta deal was found by Cheapflights users on 4/21. 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.
lun. 11/2410:35 amORD - DUB
2 stops16h 10mDelta
mar. 12/21:25 pmDUB - ORD
1 stop31h 05mDelta
Deal found 4/21$580
This oojo deal was found by Cheapflights users on 4/22. 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.
lun. 5/58:15 pmORD - DUB
1 stop16h 00mScandinavian Airlines
mié. 5/147:05 pmDUB - ORD
1 stop29h 20mScandinavian Airlines
Deal found 4/22$582
This Delta deal was found by Cheapflights users on 4/22. 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.
sáb. 8/96:45 pmMDW - DUB
1 stop31h 10mDelta
mié. 8/2011:00 amDUB - MDW
1 stop16h 47mDelta
Deal found 4/22$582
This CheapOair deal was found by Cheapflights users on 4/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/222:00 pmORD - DUB
1 stop12h 15mAir Canada
jue. 7/319:50 amDUB - ORD
1 stop11h 14mAir Canada
Deal found 4/22$584
This Gotogate deal was found by Cheapflights users on 4/21. 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.
mar. 7/152:20 pmORD - DUB
1 stop15h 50mMultiple Airlines
mar. 7/229:20 amDUB - ORD
1 stop11h 31mMultiple Airlines
Deal found 4/21$585
This oojo deal was found by Cheapflights users on 4/22. 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.
jue. 8/148:50 pmORD - DUB
1 stop21h 15mTAP AIR PORTUGAL
sáb. 8/235:30 amDUB - ORD
1 stop17h 00mTAP AIR PORTUGAL
Deal found 4/22$586
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2810:55 amPIA - DUB
2 stops18h 10mUnited Airlines
mar. 11/411:50 amDUB - PIA
2 stops39h 41mUnited Airlines
Deal found 4/22$587
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/79:31 pmORD - DUB
1 stop27h 39mUnited Airlines
mar. 8/199:20 amDUB - ORD
1 stop28h 41mUnited Airlines
Deal found 4/22$594
This FlightHub deal was found by Cheapflights users on 4/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/2411:45 pmORD - DUB
1 stop27h 50mTurkish Airlines
dom. 10/55:00 pmDUB - ORD
1 stop35h 00mTurkish Airlines
Deal found 4/22$602
This United deal was found by Cheapflights users on 4/22. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/53:45 pmSTL - DUB
1 stop18h 55mMultiple Airlines
sáb. 11/159:00 amDUB - STL
2 stops33h 20mMultiple Airlines
Deal found 4/22$615
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1010:20 pmORD - DUB
Nonstop7h 20mIberia
mié. 9/171:45 pmDUB - ORD
Nonstop8h 00mIberia
Deal found 4/22$617

Cheapflights Fare Finder

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 abril 22, 2025.
Use the filters below to find and compare flights from Illinois to Dublin that are best for you.

Fly from

Illinois

Fly to

Dublin

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

lun. 5/5

8:15 pm-6:15 pm

1 stop16h 00m

Dublin

mié. 5/14

7:05 pm-6:25 pm

1 stop29h 20m

$582

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

sáb. 8/9

6:45 pm-7:55 am

1 stop31h 10m

Dublin

mié. 8/20

11:00 am-9:47 pm

1 stop16h 47m

$582

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mar. 7/22

2:00 pm-8:15 am

1 stop12h 15m

Dublin

jue. 7/31

9:50 am-3:04 pm

1 stop11h 14m

$584

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mar. 7/15

2:20 pm-12:10 pm

1 stop15h 50m

Dublin

mar. 7/22

9:20 am-2:51 pm

1 stop11h 31m

$585

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

jue. 8/14

8:50 pm-12:05 am

1 stop21h 15m

Dublin

sáb. 8/23

5:30 am-4:30 pm

1 stop17h 00m

$586

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

jue. 8/7

9:31 pm-7:10 am

1 stop27h 39m

Dublin

mar. 8/19

9:20 am-8:01 am

1 stop28h 41m

$594

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mié. 9/24

11:45 pm-9:35 am

1 stop27h 50m

Dublin

dom. 10/5

5:00 pm-10:00 pm

1 stop35h 00m

$602

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mié. 9/10

10:20 pm-11:40 am

Nonstop7h 20m

Dublin

mié. 9/17

1:45 pm-3:45 pm

Nonstop8h 00m

$617

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mié. 8/13

10:20 pm-11:40 am

Nonstop7h 20m

Dublin

lun. 8/25

9:45 am-5:50 pm

1 stop14h 05m

$619

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

mié. 8/27

7:25 pm-1:15 pm

1 stop11h 50m

Dublin

mar. 9/2

2:15 pm-9:15 pm

1 stop13h 00m

$626

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 60 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Dublin

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 $1,006). 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 abril 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.

Weekly flight availability from Illinois to Dublin

Explore weekly flight availability from Illinois to Dublin. 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 abril 22, 2025.

The most flights from USIL to DUB are scheduled on a Monday (11 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 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 abril 22, 2025.
See what other customers who have flown with Delta, KLM and Finnair 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.
8.0
Very good

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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.
8.0
Very good
8.0
Very good

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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.
8.0
Very good

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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.
8.0
Very good

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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.
8.0
Very good

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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.
8.0
Very good

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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 Scandinavian Airlines ($433), TAP AIR PORTUGAL ($441), and WestJet ($448).

  • What are the most popular routes 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 (73%), Aer Lingus (73%), British Airways (73%).

  • What are the cheapest flights from Illinois to Dublin?

    Looking for the cheapest flight from Illinois to Dublin? While on average our users pay $1,571, our data indicates the cheapest price to be $441. The most popular route (Chicago O'Hare Intl - Dublin), is priced around $428.

  • 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 $1,006). 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
Castleknock
Swords
Wicklow
Leixlip

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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 abril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$196Average$200FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$341Average$484FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$355Average$555FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$393Average$473FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$444Average$709FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$482Average$769FlexibilityNo cancel feeOn-time75%
IberiaCheapest$509Average$731FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$513Average$900FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$519Average$638FlexibilityNo cancel feeOn-time70%
FinnairCheapest$526Average$811FlexibilityNo cancel feeOn-time76%

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