Dublin

$313+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
Jun 17 — Jun 241
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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 June 12, 2025.

Round-trip from

$501
(Booking.com)

One-way from

$330
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$892

Good round-trip deal

$646 or less

Good one-way deal

$509 or less
From Illinois to Dublin
One-way flight from Illinois to Dublin
Highest demand for flights based on searches. 17% potential increase in price ($144 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/205:00 amSTL - DUB
2 stops20h 45mAir Canada
Tue 8/59:20 amDUB - STL
2 stops36h 01mAir Canada
Deal found 6/11$501
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/31:30 pmSTL - DUB
1 stop12h 15mUnited Airlines
Tue 9/99:20 amDUB - STL
2 stops36h 24mUnited Airlines
Deal found 6/11$503
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:30 amSTL - DUB
2 stops14h 40mMultiple Airlines
Tue 11/255:00 amDUB - STL
2 stops23h 47mMultiple Airlines
Deal found 6/11$530
This Iberia deal was found by Cheapflights users on 6/11. 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.
Sun 7/205:56 pmSTL - DUB
1 stop33h 49mIberia
Tue 8/51:45 pmDUB - STL
1 stop11h 23mIberia
Deal found 6/11$533
This KLM deal was found by Cheapflights users on 6/10. 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 8/510:46 amSTL - DUB
1 stop15h 59mKLM
Tue 8/1911:00 amDUB - STL
1 stop17h 02mKLM
Deal found 6/10$536
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 9/96:04 pmEVV - DUB
2 stops15h 41mAmerican Airlines
Fri 9/1911:45 amDUB - EVV
1 stop14h 43mAmerican Airlines
Deal found 6/11$540
This Ovago deal was found by Cheapflights users on 6/12. 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.
Tue 7/226:24 pmPIA - DUB
2 stops17h 31mBritish Airways
Tue 7/298:20 pmDUB - PIA
2 stops27h 34mBritish Airways
Deal found 6/12$546
This Delta deal was found by Cheapflights users on 6/9. 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 9/310:45 amSTL - DUB
2 stops15h 10mDelta
Wed 9/171:15 pmDUB - STL
2 stops24h 55mDelta
Deal found 6/9$546
This Ovago deal was found by Cheapflights users on 6/12. 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.
Tue 9/25:11 pmEVV - DUB
2 stops17h 54mBritish Airways
Tue 9/910:25 amDUB - EVV
2 stops17h 53mBritish Airways
Deal found 6/12$551
This Ovago deal was found by Cheapflights users on 6/11. 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.
Mon 7/2812:27 pmSTL - DUB
2 stops15h 13mBritish Airways
Wed 8/610:50 amDUB - STL
2 stops18h 24mBritish Airways
Deal found 6/11$553
This JetBlue deal was found by Cheapflights users on 6/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2011:35 amORD - DUB
1 stop14h 45mJetBlue
Thu 9/410:40 amDUB - ORD
1 stop13h 15mJetBlue
Deal found 6/12$569
This American Airlines deal was found by Cheapflights users on 6/12. 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 8/1510:35 pmORD - DUB
1 stop12h 40mAmerican Airlines
Fri 8/221:45 pmDUB - ORD
Nonstop8h 00mAmerican Airlines
Deal found 6/12$570

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 June 12, 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

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 7/20

5:00 am-7:45 am

2 stops20h 45m

Dublin

Tue 8/5

9:20 am-3:21 pm

2 stops36h 01m

$501

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 9/3

1:30 pm-7:45 am

1 stop12h 15m

Dublin

Tue 9/9

9:20 am-3:44 pm

2 stops36h 24m

$503

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 7/20

5:56 pm-9:45 am

1 stop33h 49m

Dublin

Tue 8/5

1:45 pm-7:08 pm

1 stop11h 23m

$533

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 8/5

10:46 am-8:45 am

1 stop15h 59m

Dublin

Tue 8/19

11:00 am-10:02 pm

1 stop17h 02m

$536

EvansvilleDublin

EVV - DUB

EVVDUB

Evansville Dress Regional

Tue 9/9

6:04 pm-3:45 pm

2 stops15h 41m

Dublin

Fri 9/19

11:45 am-8:28 pm

1 stop14h 43m

$540

PeoriaDublin

PIA - DUB

PIADUB

Greater Peoria

Tue 7/22

6:24 pm-5:55 pm

2 stops17h 31m

Dublin

Tue 7/29

8:20 pm-5:54 pm

2 stops27h 34m

$546

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 9/3

10:45 am-7:55 am

2 stops15h 10m

Dublin

Wed 9/17

1:15 pm-8:10 am

2 stops24h 55m

$546

EvansvilleDublin

EVV - DUB

EVVDUB

Evansville Dress Regional

Tue 9/2

5:11 pm-5:05 pm

2 stops17h 54m

Dublin

Tue 9/9

10:25 am-10:18 pm

2 stops17h 53m

$551

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 7/28

12:27 pm-9:40 am

2 stops15h 13m

Dublin

Wed 8/6

10:50 am-11:14 pm

2 stops18h 24m

$553

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 8/19

5:30 pm-7:45 am

2 stops32h 15m

Dublin

Mon 8/25

7:50 pm-8:00 pm

2 stops30h 10m

$565

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 $947). 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 June 12, 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 June 12, 2025.

The most flights from USIL to DUB are scheduled on a Monday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (17 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 June 12, 2025.
See what other customers who have flown with Delta, Porter Airlines and KLM 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

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 JetBlue ($338), Icelandair ($355), and Scandinavian Airlines ($364).

  • 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: Air France (89%), American Airlines (74%), 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 $2,798, our data indicates the cheapest price to be $431. The most popular route (Chicago O'Hare Intl - Dublin), is priced around $374.

  • 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 $947). 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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Alternative routes for Illinois to Dublin

See prices for flight routes from nearby airports that may be better suited for you.

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$355Average$544FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$393Average$480FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$400Average$484FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$445Average$705FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$473Average$818FlexibilityNo cancel feeOn-time79%
KLMCheapest$482Average$769FlexibilityNo cancel feeOn-time75%
IberiaCheapest$507Average$728FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$513Average$896FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$519Average$676FlexibilityNo cancel feeOn-time70%
FinnairCheapest$526Average$807FlexibilityNo cancel feeOn-time76%

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