How long is the flight from Illinois to Dublin?

There are many flights that can get you from Illinois to Dublin in 13h 57m. Fly via United Airlines, Delta, or KLM to get the fastest option. There are 3664 mi between Illinois and Dublin. This flight may include one or multiple stops.

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 TAP AIR PORTUGAL ($211), WestJet ($226), and Aer Lingus ($398).

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.

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).

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 cheapest flights from Illinois to Dublin?

Looking for the cheapest flight from Illinois to Dublin? While on average our users pay $3,321, our data indicates the cheapest price to be $400. The most popular route (Chicago O'Hare Intl - Dublin), is priced around $372.

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%), Iberia (68%), American Airlines (68%).

What are the most popular airlines that fly from Illinois to Dublin?

Before booking your flight from Illinois to Dublin check out the most popular airlines for this route: American Airlines, Air Canada or Finnair.

How far in advance should I book a flight from Illinois to Dublin?

Travelers have found it’s best to book a flight 58 days in advance to save up to 40% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 58 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Illinois to Dublin 1-2 weeks in advance for as low as $676, or $798 for flights within the next 24 hours.

What is the cheapest month to fly from Illinois to Dublin?

Flights from Illinois to Dublin lean towards being more expensive in June. Prices are generally better when you fly from Illinois to Dublin in February, with the cheapest ticket starting at $389.

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.

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.

$211+ Cheap Flights from Illinois to Dublin

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Cheap flight deals from Illinois to Dublin

Round-trip from	$472 (lastminute.com)
One-way from	$211 (oojo)
Popular in	June
Cheapest in	February
Average price	$697
Good round-trip deal	$594 or less
Good one-way deal	$504 or less

From Illinois to Dublin

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One-way flight from Illinois to Dublin

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Highest demand for flights based on searches. 15% potential increase in price ($128 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Price to beat on a round-trip flight from Illinois to Dublin.

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Price to beat on a one-way flight from Illinois to Dublin.

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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 September 15, 2025.

Mon 10/276:43 pmSTL - DUB

2 stops30h 27mAir Canada

Wed 11/129:00 amDUB - STL

2 stops35h 25mAir Canada

Deal found 9/13

$472

Mon 10/275:58 pmSTL - DUB

1 stop10h 57mUnited Airlines

Wed 11/129:00 amDUB - STL

1 stop12h 29mUnited Airlines

Deal found 9/13

$481

Wed 11/59:50 pmORD - DUB

1 stop13h 20mLufthansa

Thu 11/1310:40 amDUB - ORD

Nonstop8h 50mLufthansa

Deal found 9/15

$484

Mon 10/277:35 pmORD - DUB

Nonstop7h 35mMultiple Airlines

Wed 11/55:10 amDUB - ORD

1 stop20h 55mMultiple Airlines

Deal found 9/15

$486

Thu 11/137:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Wed 11/1912:30 pmDUB - ORD

1 stop34h 15mScandinavian Airlines

Deal found 9/14

$487

Mon 11/1710:00 amSTL - DUB

1 stop16h 10mUnited Airlines

Wed 12/39:00 amDUB - STL

1 stop12h 29mUnited Airlines

Deal found 9/14

$487

Wed 10/229:55 amORD - DUB

1 stop16h 20mMultiple Airlines

Mon 10/271:20 pmDUB - ORD

1 stop33h 00mMultiple Airlines

Deal found 9/13

$488

Mon 11/37:20 pmORD - DUB

2 stops33h 25mScandinavian Airlines

Sun 11/1610:10 amDUB - ORD

1 stop12h 35mScandinavian Airlines

Deal found 9/15

$489

Mon 11/176:43 pmSTL - DUB

2 stops30h 27mAir Canada

Wed 11/269:00 amDUB - STL

1 stop12h 29mAir Canada

Deal found 9/13

$489

Sat 11/89:20 pmORD - DUB

1 stop27h 50mUnited Airlines

Thu 11/2010:40 amDUB - ORD

Nonstop8h 50mUnited Airlines

Deal found 9/14

$490

Mon 11/107:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Mon 11/178:20 pmDUB - ORD

2 stops50h 25mScandinavian Airlines

Deal found 9/15

$491

Wed 10/294:50 pmSTL - DUB

1 stop13h 10mLufthansa

Wed 11/55:10 amDUB - STL

1 stop14h 45mLufthansa

Deal found 9/14

$491

Best flights from Illinois to Dublin
Discover carefully curated flight deals from Illinois to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Wed 11/121:10 pmSTL - DUB

1 stop15h 10mUnited Airlines

Fri 12/59:00 amDUB - STL

1 stop12h 29mUnited Airlines

Deal found 9/14

$487

Tue 10/284:05 pmORD - DUB

2 stops18h 40mDelta

Tue 11/186:00 amDUB - ORD

2 stops18h 13mDelta

Deal found 9/14

$501

Mon 10/138:20 pmORD - DUB

Nonstop7h 25mMultiple Airlines

Mon 10/201:00 pmDUB - ORD

1 stop32h 55mMultiple Airlines

Deal found 9/13

$505

Sun 10/1212:48 pmMDW - DUB

1 stop13h 57mKLM

Tue 10/2110:00 amDUB - MDW

1 stop13h 43mKLM

Deal found 9/14

$505

Tue 10/77:00 amEVV - DUB

1 stop20h 45mAmerican Airlines

Tue 10/146:30 amDUB - EVV

2 stops16h 21mAmerican Airlines

Deal found 9/14

$592

Mon 11/1711:05 amSTL - DUB

1 stop15h 05mUnited Airlines

Wed 11/269:00 amDUB - STL

1 stop12h 29mUnited Airlines

Deal found 9/13

$487

Tue 10/284:56 pmORD - DUB

2 stops17h 49mDelta

Tue 11/116:00 amDUB - ORD

2 stops20h 29mDelta

Deal found 9/14

$501

Sun 11/1610:00 amSTL - DUB

2 stops18h 20mUnited Airlines

Wed 12/39:00 amDUB - STL

1 stop12h 29mUnited Airlines

Deal found 9/14

$492

Tue 10/284:56 pmORD - DUB

2 stops17h 49mDelta

Thu 11/66:00 amDUB - ORD

2 stops16h 11mDelta

Deal found 9/14

$501

Mon 9/296:15 pmMDW - DUB

1 stop9h 45mKLM

Tue 10/710:00 amDUB - MDW

1 stop13h 43mKLM

Deal found 9/13

$557

Thu 11/135:06 pmSTL - DUB

1 stop9h 34mMultiple Airlines

Thu 12/411:30 amDUB - STL

2 stops15h 58mMultiple Airlines

Deal found 9/14

$557

Tue 11/1110:00 amSTL - DUB

2 stops15h 30mUnited Airlines

Fri 12/59:00 amDUB - STL

1 stop12h 29mUnited Airlines

Deal found 9/14

$492

Last-minute flights from Illinois to Dublin
Discover last-minute flight deals from Illinois to Dublin. Data last updated September 15, 2025 and is based on user searches.

Wed 10/88:50 amORD - DUB

1 stop16h 20mUnited Airlines

Wed 10/159:20 amDUB - ORD

1 stop16h 44mUnited Airlines

Deal found 9/14

$490

Wed 10/89:40 pmORD - DUB

1 stop13h 15mLufthansa

Tue 10/149:00 amDUB - ORD

1 stop16h 55mLufthansa

Deal found 9/13

$491

Sun 10/128:55 amORD - DUB

1 stop17h 20mAir Canada

Fri 10/249:20 amDUB - ORD

1 stop16h 44mAir Canada

Deal found 9/14

$494

Sun 10/128:50 amORD - DUB

1 stop16h 20mUnited Airlines

Tue 10/219:50 amDUB - ORD

1 stop15h 34mUnited Airlines

Deal found 9/15

$495

Tue 10/148:20 pmORD - DUB

Nonstop7h 25mUnited Airlines

Wed 10/229:50 amDUB - ORD

1 stop11h 14mUnited Airlines

Deal found 9/14

$492

Wed 10/157:25 pmORD - DUB

1 stop11h 50mIcelandair

Wed 10/2212:15 pmDUB - ORD

1 stop12h 00mIcelandair

Deal found 9/12

$487

Wed 10/229:55 amORD - DUB

1 stop16h 20mMultiple Airlines

Mon 10/271:20 pmDUB - ORD

1 stop33h 00mMultiple Airlines

Deal found 9/13

$488

Sat 10/258:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Tue 10/287:05 pmDUB - ORD

1 stop31h 00mScandinavian Airlines

Deal found 9/13

$493

Mon 10/276:43 pmSTL - DUB

2 stops30h 27mAir Canada

Wed 11/129:00 amDUB - STL

2 stops35h 25mAir Canada

Deal found 9/13

$472

Mon 10/275:58 pmSTL - DUB

1 stop10h 57mUnited Airlines

Wed 11/129:00 amDUB - STL

1 stop12h 29mUnited Airlines

Deal found 9/13

$481

Mon 10/277:35 pmORD - DUB

Nonstop7h 35mMultiple Airlines

Wed 11/55:10 amDUB - ORD

1 stop20h 55mMultiple Airlines

Deal found 9/15

$486

Wed 10/294:50 pmSTL - DUB

1 stop13h 10mLufthansa

Wed 11/55:10 amDUB - STL

1 stop14h 45mLufthansa

Deal found 9/14

$491

One-way flights from Illinois to Dublin
Search for one-way flight options from Illinois to Dublin. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Fri 10/246:00 pmORD - DUB

1 stop24h 05mTAP AIR PORTUGAL

Deal found 9/13

$211

Wed 11/127:10 pmORD - DUB

1 stop22h 10mTAP AIR PORTUGAL

Deal found 9/14

$214

Sat 10/116:40 amORD - DUB

2 stops22h 35mMultiple Airlines

Deal found 9/15

$225

Sun 10/125:30 pmORD - DUB

1 stop35h 20mWestJet

Deal found 9/13

$226

Mon 10/209:35 amMDW - DUB

1 stop18h 25mMultiple Airlines

Deal found 9/15

$230

Fri 10/175:30 pmORD - DUB

1 stop35h 20mWestJet

Deal found 9/15

$230

Mon 10/69:35 amMDW - DUB

1 stop18h 25mMultiple Airlines

Deal found 9/13

$234

Wed 10/156:40 amORD - DUB

2 stops22h 30mMultiple Airlines

Deal found 9/14

$235

Mon 11/106:40 amORD - DUB

2 stops21h 35mMultiple Airlines

Deal found 9/13

$240

Sun 10/126:00 amORD - DUB

2 stops34h 05mMultiple Airlines

Deal found 9/15

$242

Wed 11/126:40 amORD - DUB

2 stops33h 05mMultiple Airlines

Deal found 9/13

$245

Mon 10/66:00 amORD - DUB

2 stops32h 25mMultiple Airlines

Deal found 9/13

$246

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Wed 11/12

1:10 pm-10:20 am

1 stop15h 10m

Dublin

Fri 12/5

9:00 am-3:29 pm

1 stop12h 29m

$487

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 11/17

11:05 am-8:10 am

1 stop15h 05m

Dublin

Wed 11/26

9:00 am-3:29 pm

1 stop12h 29m

$487

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 11/16

10:00 am-10:20 am

2 stops18h 20m

Dublin

Wed 12/3

9:00 am-3:29 pm

1 stop12h 29m

$492

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 11/11

10:00 am-7:30 am

2 stops15h 30m

Dublin

Fri 12/5

9:00 am-3:29 pm

1 stop12h 29m

$492

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 10/12

8:20 pm-9:45 am

Nonstop7h 25m

Dublin

Tue 10/21

9:50 am-9:09 am

1 stop29h 19m

$495

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 10/15

8:20 pm-9:45 am

Nonstop7h 25m

Dublin

Fri 10/24

11:35 am-1:35 pm

Nonstop8h 00m

$497

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 10/12

8:20 pm-9:45 am

Nonstop7h 25m

Dublin

Fri 10/24

11:35 am-1:35 pm

Nonstop8h 00m

$500

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 10/28

4:05 pm-3:45 pm

2 stops18h 40m

Dublin

Tue 11/18

6:00 am-6:13 pm

2 stops18h 13m

$501

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 10/28

4:56 pm-3:45 pm

2 stops17h 49m

Dublin

Tue 11/11

6:00 am-8:29 pm

2 stops20h 29m

$501

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 10/28

4:56 pm-3:45 pm

2 stops17h 49m

Dublin

Thu 11/6

6:00 am-4:11 pm

2 stops16h 11m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 50 results

...

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 $923). 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?

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

The most flights from USIL to DUB are scheduled on a Monday (20 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 on average).

Related info for your journey

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.
How long is the flight from Illinois to Dublin?
There are many flights that can get you from Illinois to Dublin in 13h 57m. Fly via United Airlines, Delta, or KLM to get the fastest option. There are 3664 mi between Illinois and Dublin. This flight may include one or multiple stops.
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 TAP AIR PORTUGAL ($211), WestJet ($226), and Aer Lingus ($398).
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: Air France (89%), Iberia (68%), American Airlines (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 $3,321, our data indicates the cheapest price to be $400. The most popular route (Chicago O'Hare Intl - Dublin), is priced around $372.
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 $923). 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

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Top 10 airlines flying from Illinois to Dublin

Airline	Cheapest	Average	Flexibility	On-time
JetBlue	Cheapest$51	Average$569	FlexibilityNo cancel fee	On-time62%
Icelandair	Cheapest$355	Average$543	FlexibilityNo cancel fee	On-time76%
TAP AIR PORTUGAL	Cheapest$393	Average$498	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$400	Average$478	FlexibilityNo cancel fee	On-time77%
SWISS	Cheapest$473	Average$818	FlexibilityNo cancel fee	On-time79%
Aer Lingus	Cheapest$478	Average$717	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$498	Average$694	FlexibilityNo cancel fee	On-time70%
Iberia	Cheapest$523	Average$803	FlexibilityNo cancel fee	On-time77%
Turkish Airlines	Cheapest$528	Average$596	FlexibilityNo cancel fee	On-time77%
Air Canada	Cheapest$535	Average$676	FlexibilityNo cancel fee	On-time67%

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$211+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Dublin with Cheapflights

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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 September 15, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Illinois to Dublin

Cheapest flights from Illinois to DublinExplore 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 September 15, 2025.

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 September 15, 2025.

Cheapflights Fare Finder

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

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.

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?

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 September 15, 2025.

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 September 15, 2025.

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?

How long is the flight from Illinois to Dublin?

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

What are the most popular routes from Illinois to Dublin?

What are the most reliable airlines from Illinois to Dublin?

What are the cheapest flights from Illinois to Dublin?

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

How can I find direct flights from Illinois to Dublin?

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

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

Traveling to a place near Dublin?

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Alternative routes for Illinois to Dublin

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Top 10 airlines flying from Illinois to Dublin

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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 September 15, 2025.