HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dublin

$261+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
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

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Dublin (DUB). 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 January 21, 2025.

Round-trip from

$470
(Delta)

One-way from

$261
(Kiwi.com)

Good round-trip deal

$654 or less

Good one-way deal

$511 or less
From Illinois to Dublin
Search Deals
One-way flight from Illinois to Dublin
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 January 21, 2025.

This oojo deal was found by Cheapflights users on 1/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:30 pmORD - DUB
1 stop9h 35mIcelandair
Wed 4/1612:15 pmDUB - ORD
1 stop12h 05mIcelandair
Deal found 1/21$472
This Delta deal was found by Cheapflights users on 1/21. 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 3/410:57 amMDW - DUB
1 stop16h 48mDelta
Tue 3/1110:45 amDUB - MDW
2 stops16h 38mDelta
Deal found 1/21$475
This Trip.com deal was found by Cheapflights users on 1/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/207:15 pmORD - DUB
1 stop17h 00mScandinavian Airlines
Wed 5/77:05 pmDUB - ORD
1 stop27h 05mScandinavian Airlines
Deal found 1/19$478
This Delta deal was found by Cheapflights users on 1/19. 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 3/181:26 pmORD - DUB
2 stops13h 59mDelta
Tue 4/112:00 pmDUB - ORD
2 stops14h 44mDelta
Deal found 1/19$479
This Mytrip deal was found by Cheapflights users on 1/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/26:45 amORD - DUB
3 stops21h 30mMultiple Airlines
Mon 4/711:35 amDUB - ORD
3 stops32h 13mMultiple Airlines
Deal found 1/19$480
This CrystalTravel deal was found by Cheapflights users on 1/21. 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.
Tue 2/185:00 pmORD - DUB
1 stop10h 40mBritish Airways
Mon 2/248:30 pmDUB - ORD
1 stop23h 25mBritish Airways
Deal found 1/21$485
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/166:00 pmORD - DUB
1 stop18h 05mTAP AIR PORTUGAL
Tue 4/226:50 pmDUB - ORD
1 stop27h 20mTAP AIR PORTUGAL
Deal found 1/20$491
This KLM deal was found by Cheapflights users on 1/20. 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 2/124:25 pmORD - DUB
1 stop18h 15mKLM
Wed 2/2611:30 amDUB - ORD
2 stops15h 16mKLM
Deal found 1/20$492
This Iberia deal was found by Cheapflights users on 1/21. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/184:45 pmORD - DUB
1 stop11h 30mIberia
Mon 2/2410:55 amDUB - ORD
2 stops36h 47mIberia
Deal found 1/21$493
This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/299:00 pmORD - DUB
Nonstop7h 20mAer Lingus
Mon 2/34:40 pmDUB - ORD
Nonstop8h 35mAer Lingus
Deal found 1/21$501
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/252:05 pmORD - DUB
1 stop11h 05mAir Canada
Wed 3/59:00 amDUB - ORD
2 stops16h 55mAir Canada
Deal found 1/20$512
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 4/18:15 pmORD - DUB
Nonstop7h 30mUnited Airlines
Wed 4/99:50 amDUB - ORD
1 stop11h 01mUnited Airlines
Deal found 1/20$516

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 3/5

7:10 am-8:25 am

1 stop19h 15m

Dublin

Wed 3/12

12:00 pm-8:58 pm

1 stop13h 58m

$470

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/2

11:15 am-9:45 am

1 stop16h 30m

Dublin

Tue 3/11

11:30 am-9:26 pm

2 stops14h 56m

$475

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Tue 3/4

9:33 am-9:45 am

2 stops18h 12m

Dublin

Wed 3/12

12:00 pm-10:23 pm

1 stop15h 23m

$475

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 2/12

7:15 pm-11:20 pm

1 stop22h 05m

Dublin

Tue 2/18

4:55 pm-3:30 pm

1 stop28h 35m

$478

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/9

8:40 pm-6:20 pm

1 stop16h 40m

Dublin

Sun 3/16

12:05 pm-6:50 pm

2 stops35h 45m

$481

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 2/18

5:00 pm-9:40 am

1 stop10h 40m

Dublin

Mon 2/24

8:30 pm-1:55 pm

1 stop23h 25m

$485

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 3/12

5:25 pm-4:40 pm

1 stop18h 15m

Dublin

Tue 3/18

6:00 am-4:05 pm

1 stop15h 05m

$493

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 1/31

9:00 pm-10:20 am

Nonstop7h 20m

Dublin

Tue 2/4

4:40 pm-7:15 pm

Nonstop8h 35m

$495

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 3/25

1:04 pm-6:10 am

1 stop12h 06m

Dublin

Tue 4/8

11:35 am-1:35 pm

Nonstop8h 00m

$496

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 2/19

4:58 pm-12:40 pm

2 stops13h 42m

Dublin

Wed 2/26

11:30 am-8:46 pm

2 stops15h 16m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 59 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 January 21, 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 January 21, 2025.
See what other customers who have flown with Air France, KLM and SWISS 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
8,521 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.6

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.6

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.6

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.6

Reviews

1 / 10

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

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.6

Reviews

1 / 10

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

Air France
7.4
Good
1,490 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.6

Reviews

1 / 10

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 ($320), TAP AIR PORTUGAL ($351), and Aer Lingus ($369).

  • 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 (68%), Aer Lingus (68%), British Airways (68%).

  • What are the cheapest flights from Illinois to Dublin?

    Looking for the cheapest flight from Illinois to Dublin? While on average our users pay $1,725, our data indicates the cheapest price to be $434. The most popular route (Chicago O'Hare Intl - Dublin), is priced around $397.

  • 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
Dallas/Fort Worth to Dublin flights
San Francisco to Dublin flights
Los Angeles to Dublin flights
Minneapolis to Dublin flights
Stewart to Dublin flights
Atlanta to Dublin flights
Baltimore to Dublin flights
Reagan-National to Dublin flights
Philadelphia to Dublin flights
Denver to Dublin flights
Cleveland to Dublin flights
Midway to Dublin flights
Orlando to Dublin flights
Charlotte to Dublin flights
Boston to Shannon flights
John F Kennedy Intl to Shannon flights
Raleigh to Dublin flights
Newark to Shannon flights
Indianapolis to Dublin flights
Love Field to Dublin flights
Detroit to Dublin flights
Hartford to Dublin flights
Portland to Dublin flights
Nashville to Dublin flights
Hobby to Dublin flights
LaGuardia to Shannon flights
St. Louis to Dublin flights
Cincinnati to Dublin flights
Austin to Dublin flights
Oakland to Dublin flights
San Jose to Dublin flights
Ontario to Dublin flights
George Bush Intcntl to Dublin flights
Miami to Dublin flights
Tampa to Dublin flights
Kansas City to Dublin flights
Sky Harbor Intl to Dublin flights
Jacksonville to Dublin flights
Santa Ana to Dublin flights
Burbank to Dublin flights
San Diego to Dublin flights
Columbus to Dublin flights
Pittsburgh 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$196Average$200FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$304Average$482FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$360Average$587FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$395Average$472FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$448Average$693FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$505Average$616FlexibilityNo cancel feeOn-time70%
IberiaCheapest$507Average$732FlexibilityNo cancel feeOn-time77%
KLMCheapest$509Average$842FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$513Average$892FlexibilityNo cancel feeOn-time69%
FinnairCheapest$526Average$844FlexibilityNo 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.