What are the cheapest airlines flying from Chicago to Dublin round-trip?

According to our current data, Scandinavian Airlines ($560), Air France ($565), and Air Canada ($571) offers the cheapest pricing from Chicago to Dublin. You may be able to fly from Chicago to Dublin for 19% less than the average price by searching for these airlines.

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

One-way options have recently been found by users for as low as $394 on United Airlines. Other airlines that offer cheap prices include Air Canada from $401 and WestJet from $413 one-way.

What are the cheapest flights from Chicago to Dublin?

On average you can expect to pay $1,495 for a flight from Chicago to Dublin. The cheapest flight overall is $448 while the most popular route, (Chicago O'Hare Intl - Dublin) is currently priced at $392.

What are the most reliable airlines from Chicago to Dublin?

Consider American Airlines (73%), Aer Lingus (73%) or British Airways (73%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Dublin.

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

Consider American Airlines, Air Canada or Air France when booking your flight. These represent the most popular airlines when flying from Chicago to Dublin.

Where are the most common layover locations when flying from Chicago to Dublin?

Chicago to Dublin flights have a layover in Reykjavik most often.

Where are the least popular layover locations for Chicago to Dublin flights?

Chicago to Dublin flights have a layover in Stockholm least often.

What are some popular things to do or see while on a layover in Reykjavik?

Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are currently the most popular points of interest in Reykjavik at the moment. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool can be visited by traveling about 23.2 mi, 23.3 mi, and 24.6 mi respectively from Reykjavik Keflavik Intl. Those looking to explore during their layover in Reykjavik can rent a car from Reykjavik Keflavik Intl for about $49 per day.

What is the cheapest day to fly round-trip from Chicago to Dublin?

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Dublin. Check prices with Cheapflights to find a great deal for your trip.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 57 days in advance, which can save you up to 45% on flights from Chicago to Dublin compared to booking the week you need them. Waiting 57 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $571. For sooner than that we have options available in the next 3 days from $800.

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

Our data shows that February tends to be the cheapest month to fly to Dublin from Chicago. Users have commonly found prices around $694 for the month, but tickets can be as low as $382. Due to multiple factors, prepare for potentially higher prices in June.

Most accurate provider : When it comes to deals on Chicago-Dublin flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-Dublin flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Chicago-Dublin flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Chicago-Dublin flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Dublin from Chicago?

Dublin (DUB) is the airport you will fly into if you book a flight from Chicago to Dublin. You should not have trouble finding flights to Dublin from Chicago; the airport handles an average of 11 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 16 airlines have flights to the Dublin airport from Chicago. It is only a 5.7 mi journey from Dublin (DUB) to Dublin’s city center.

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

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

How can I find direct flights from Chicago to Dublin?

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

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

Yes. Cheapflights offers flight deals from Chicago 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.

$236+ Flights from Chicago to Dublin

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Find cheap flights from Chicago 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.

Cheapflights Tip: The best prices from Chicago to Dublin are usually found in February or November, booked 56 days in advance, depart on a Tuesday or Sunday and return on a Friday

Cheap flight deals from Chicago to Dublin

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$560 (Gotogate)
One-way from	$374 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$702
Good round-trip deal	$704 or less
Good one-way deal	$520 or less

Provider with most accurate pricing for Chicago (CHI)-Dublin flight deals.

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Provider most trusted by Cheapflights users for Chicago (CHI)-Dublin flights.

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From Chicago (CHI) to Dublin

Search Deals

One-way flight from Chicago (CHI) to Dublin

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($178 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Price to beat on a round-trip flight from Chicago (CHI) to Dublin.

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Price to beat on a one-way flight from Chicago (CHI) to Dublin.

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Find flight deals from Chicago to Dublin

Cheapest flights from Chicago to Dublin
Explore the most affordable flight options available from Chicago to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 16, 2025.

Tue 10/147:15 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Wed 10/227:05 pmDUB - ORD

1 stop27h 05mScandinavian Airlines

Deal found 4/15

$455

Wed 8/138:40 amORD - DUB

1 stop17h 05mMultiple Airlines

Mon 8/251:00 pmDUB - ORD

1 stop32h 55mMultiple Airlines

Deal found 4/15

$470

Wed 10/157:25 pmORD - DUB

1 stop11h 50mIcelandair

Wed 10/2212:15 pmDUB - ORD

1 stop15h 00mIcelandair

Deal found 4/15

$483

Wed 8/1310:56 amORD - DUB

2 stops14h 49mAir Canada

Sat 8/239:20 amDUB - ORD

1 stop11h 31mAir Canada

Deal found 4/16

$501

Sun 10/56:00 pmORD - DUB

1 stop18h 05mTAP AIR PORTUGAL

Tue 10/146:50 pmDUB - ORD

1 stop27h 20mTAP AIR PORTUGAL

Deal found 4/15

$506

Wed 10/158:20 pmORD - DUB

Nonstop7h 25mUnited Airlines

Wed 10/229:20 amDUB - ORD

1 stop16h 44mUnited Airlines

Deal found 4/15

$510

Wed 10/153:40 pmMDW - DUB

1 stop11h 05mKLM

Wed 10/2210:00 amDUB - MDW

1 stop14h 07mKLM

Deal found 4/15

$537

Wed 10/151:00 pmMDW - DUB

2 stops12h 55mDelta

Wed 10/2210:00 amDUB - MDW

1 stop14h 07mDelta

Deal found 4/15

$541

Wed 4/301:50 pmORD - DUB

1 stop13h 25mAir France

Wed 5/2810:00 amDUB - ORD

1 stop12h 45mAir France

Deal found 4/15

$565

Wed 4/301:16 pmMDW - DUB

1 stop12h 39mMultiple Airlines

Wed 5/2810:00 amDUB - MDW

1 stop13h 45mMultiple Airlines

Deal found 4/15

$567

Mon 5/129:15 pmORD - DUB

Nonstop7h 25mAer Lingus

Thu 5/2211:35 amDUB - ORD

Nonstop8h 25mAer Lingus

Deal found 4/15

$572

Tue 4/2912:15 pmORD - DUB

1 stop13h 40mKLM

Wed 5/2810:00 amDUB - ORD

1 stop12h 45mKLM

Deal found 4/15

$589

Best flights from Chicago to Dublin
Discover carefully curated flight deals from Chicago to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 16, 2025.

Sat 4/198:15 pmORD - DUB

1 stop33h 35mScandinavian Airlines

Wed 4/237:05 pmDUB - ORD

1 stop29h 15mScandinavian Airlines

Deal found 4/15

$560

Wed 4/301:50 pmORD - DUB

1 stop13h 25mAir France

Wed 5/2810:00 amDUB - ORD

1 stop12h 45mAir France

Deal found 4/15

$565

Wed 4/301:16 pmMDW - DUB

1 stop12h 39mMultiple Airlines

Wed 5/2810:00 amDUB - MDW

1 stop13h 45mMultiple Airlines

Deal found 4/15

$567

Mon 5/123:35 pmORD - DUB

1 stop34h 10mAir Canada

Sun 5/189:20 amDUB - ORD

1 stop26h 31mAir Canada

Deal found 4/15

$571

Mon 5/129:15 pmORD - DUB

Nonstop7h 25mAer Lingus

Thu 5/2211:35 amDUB - ORD

Nonstop8h 25mAer Lingus

Deal found 4/15

$572

Sat 5/102:00 pmORD - DUB

2 stops15h 10mUnited Airlines

Wed 5/219:50 amDUB - ORD

1 stop11h 15mUnited Airlines

Deal found 4/14

$576

Wed 4/301:13 pmORD - DUB

1 stop13h 47mJetBlue

Tue 5/1311:30 amDUB - ORD

1 stop16h 24mJetBlue

Deal found 4/14

$577

Tue 4/2912:15 pmORD - DUB

1 stop13h 40mKLM

Wed 5/2810:00 amDUB - ORD

1 stop12h 45mKLM

Deal found 4/15

$589

Tue 5/276:30 pmORD - DUB

1 stop10h 15mDelta

Fri 6/612:00 pmDUB - ORD

1 stop11h 26mDelta

Deal found 4/15

$597

Thu 5/86:35 pmORD - DUB

1 stop17h 15mSWISS

Mon 5/196:40 pmDUB - ORD

1 stop23h 30mSWISS

Deal found 4/15

$598

Mon 7/710:25 pmORD - DUB

Nonstop7h 15mAmerican Airlines

Wed 7/169:45 amDUB - ORD

1 stop12h 10mAmerican Airlines

Deal found 4/15

$612

Sun 7/139:15 pmORD - DUB

1 stop11h 00mBritish Airways

Mon 7/288:55 pmDUB - ORD

1 stop20h 55mBritish Airways

Deal found 4/15

$619

Last-minute flights from Chicago to Dublin
Discover last-minute flight deals from Chicago to Dublin. Data last updated April 16, 2025 and is based on user searches.

Sat 4/198:15 pmORD - DUB

1 stop33h 35mScandinavian Airlines

Wed 4/237:05 pmDUB - ORD

1 stop29h 15mScandinavian Airlines

Deal found 4/15

$560

Tue 4/228:15 pmORD - DUB

Nonstop7h 30mUnited Airlines

Wed 5/2811:35 amDUB - ORD

Nonstop8h 00mUnited Airlines

Deal found 4/15

$582

Tue 4/222:20 pmORD - DUB

1 stop15h 50mSWISS

Wed 4/306:40 pmDUB - ORD

1 stop27h 15mSWISS

Deal found 4/16

$597

Tue 4/221:16 pmMDW - DUB

1 stop12h 39mDelta

Wed 5/2810:00 amDUB - MDW

1 stop13h 45mDelta

Deal found 4/15

$597

Tue 4/227:25 pmORD - DUB

3 stops21h 45mMultiple Airlines

Wed 5/286:50 amDUB - ORD

2 stops36h 45mMultiple Airlines

Deal found 4/15

$675

Wed 4/233:45 pmORD - DUB

Nonstop7h 25mAer Lingus

Wed 4/304:40 pmDUB - ORD

Nonstop8h 20mAer Lingus

Deal found 4/14

$572

Wed 4/231:26 pmORD - DUB

1 stop13h 34mJetBlue

Fri 5/211:30 amDUB - ORD

1 stop16h 52mJetBlue

Deal found 4/16

$776

Wed 4/239:15 pmORD - DUB

Nonstop7h 25mAmerican Airlines

Wed 4/3011:35 amDUB - ORD

Nonstop8h 25mAmerican Airlines

Deal found 4/15

$782

Wed 4/239:40 pmORD - DUB

2 stops18h 35mLufthansa

Wed 4/305:45 pmDUB - ORD

2 stops25h 10mLufthansa

Deal found 4/15

$883

Thu 4/248:15 pmORD - DUB

2 stops57h 15mScandinavian Airlines

Fri 5/212:20 pmDUB - ORD

2 stops33h 50mScandinavian Airlines

Deal found 4/16

$700

Thu 4/244:20 pmORD - DUB

2 stops18h 35mAustrian Airlines

Wed 4/305:40 pmDUB - ORD

2 stops25h 40mAustrian Airlines

Deal found 4/15

$742

Fri 4/2510:37 amORD - DUB

1 stop16h 38mDelta

Fri 5/911:00 amDUB - ORD

1 stop16h 20mDelta

Deal found 4/15

$657

One-way flights from Chicago to Dublin
Search for one-way flight options from Chicago to Dublin. Find affordable one-way fares based on user searches. Data last updated April 16, 2025.

Sun 6/156:20 amORD - DUB

3 stops36h 20mMultiple Airlines

Deal found 4/14

$374

Thu 5/81:19 pmMDW - DUB

2 stops38h 36mMultiple Airlines

Deal found 4/15

$392

Mon 5/58:15 pmORD - DUB

Nonstop7h 30mUnited Airlines

Deal found 4/15

$394

Sun 5/46:30 pmORD - DUB

1 stop31h 45mAir Canada

Deal found 4/15

$401

Mon 6/165:30 pmORD - DUB

1 stop35h 20mWestJet

Deal found 4/14

$413

Mon 4/287:25 pmORD - DUB

1 stop9h 40mIcelandair

Deal found 4/15

$424

Mon 5/128:15 pmORD - DUB

1 stop16h 00mScandinavian Airlines

Deal found 4/16

$427

Wed 7/93:45 pmORD - DUB

Nonstop7h 25mAer Lingus

Deal found 4/15

$436

Fri 7/46:00 pmORD - DUB

1 stop34h 00mTAP AIR PORTUGAL

Deal found 4/15

$441

Wed 5/144:03 pmORD - DUB

1 stop10h 17mJetBlue

Deal found 4/16

$468

Thu 5/86:35 pmORD - DUB

1 stop35h 35mSWISS

Deal found 4/16

$480

Tue 7/1510:25 pmORD - DUB

Nonstop7h 15mFinnair

Deal found 4/15

$488

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 8/13

8:40 am-7:45 am

1 stop17h 05m

Dublin

Mon 8/25

1:00 pm-3:55 pm

1 stop32h 55m

$470

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 8/1

7:25 pm-1:15 pm

1 stop11h 50m

Dublin

Fri 8/29

12:15 pm-6:15 pm

1 stop12h 00m

$496

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 8/13

10:56 am-7:45 am

2 stops14h 49m

Dublin

Sat 8/23

9:20 am-2:51 pm

1 stop11h 31m

$501

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 9/9

7:15 pm-6:15 pm

1 stop17h 00m

Dublin

Sun 9/21

7:15 pm-4:10 pm

2 stops26h 55m

$503

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 10/5

6:00 pm-6:05 pm

1 stop18h 05m

Dublin

Tue 10/14

6:50 pm-4:10 pm

1 stop27h 20m

$506

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 8/15

10:50 am-7:10 am

1 stop14h 20m

Dublin

Fri 8/22

8:50 am-11:42 pm

2 stops20h 52m

$531

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/30

1:50 pm-9:15 am

1 stop13h 25m

Dublin

Wed 5/28

10:00 am-4:45 pm

1 stop12h 45m

$565

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Wed 4/30

1:16 pm-7:55 am

1 stop12h 39m

Dublin

Wed 5/28

10:00 am-5:45 pm

1 stop13h 45m

$567

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 5/12

9:15 pm-10:40 am

Nonstop7h 25m

Dublin

Thu 5/22

11:35 am-2:00 pm

Nonstop8h 25m

$572

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 4/29

12:15 pm-7:55 am

1 stop13h 40m

Dublin

Wed 5/28

10:00 am-4:45 pm

1 stop12h 45m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 43 results

...

Compare providers for flights from Chicago to Dublin

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Dublin in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy1 star	Trust Score*2 stars
Gotogate	Price Accuracy3 stars	Trust Score*2 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Chicago-Dublin flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-Dublin flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Chicago-Dublin flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Chicago-Dublin flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Dublin

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

How far ahead should I book a flight from Chicago to Dublin?

The price you pay for your flight from Chicago to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Chicago to Dublin (average of $509). Flying from Chicago 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 CHI to DUB?

It’s optimal to fly from Chicago to Dublin at noon. By choosing this option you can save up to 5% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Chicago to Dublin?

Travelers seeking maximum savings on their Chicago to Dublin flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to Dublin

The most flights from CHI 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

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

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 a feel of what it's like to fly with Delta, KLM and Finnair from Chicago to Dublin by reading reviews from past customers. 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

7,916 reviews

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

7,916 reviews

Delta

8.0

Very good

7,916 reviews

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

1,326 reviews

Delta

8.0

Very good

7,916 reviews

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.

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very good

7,916 reviews

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

7.6

Good

775 reviews

Delta

8.0

Very good

7,916 reviews

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

7.5

Good

1,435 reviews

Delta

8.0

Very good

7,916 reviews

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

What airport do you fly into for flights to Dublin from Chicago?
Dublin (DUB) is the airport you will fly into if you book a flight from Chicago to Dublin. You should not have trouble finding flights to Dublin from Chicago; the airport handles an average of 11 inbound flights from Chicago per day. You should also have plenty of airline options to choose from since 16 airlines have flights to the Dublin airport from Chicago. It is only a 5.7 mi journey from Dublin (DUB) to Dublin’s city center.
What are the cheapest airlines flying from Chicago to Dublin round-trip?
According to our current data, Scandinavian Airlines ($560), Air France ($565), and Air Canada ($571) offers the cheapest pricing from Chicago to Dublin. You may be able to fly from Chicago to Dublin for 19% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Chicago to Dublin one-way?
One-way options have recently been found by users for as low as $394 on United Airlines. Other airlines that offer cheap prices include Air Canada from $401 and WestJet from $413 one-way.
What are the most reliable airlines from Chicago to Dublin?
Consider American Airlines (73%), Aer Lingus (73%) or British Airways (73%) when booking your flight. These represent the most reliable airlines when flying from Chicago to Dublin.
What are the cheapest flights from Chicago to Dublin?
On average you can expect to pay $1,495 for a flight from Chicago to Dublin. The cheapest flight overall is $448 while the most popular route, (Chicago O'Hare Intl - Dublin) is currently priced at $392.
Where are the most common layover locations when flying from Chicago to Dublin?
Chicago to Dublin flights have a layover in Reykjavik most often.
What are some popular things to do or see while on a layover in Reykjavik?
Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool are currently the most popular points of interest in Reykjavik at the moment. Hallgrímskirkja, Harpa, and Laugardalslaug Geothermal Pool can be visited by traveling about 23.2 mi, 23.3 mi, and 24.6 mi respectively from Reykjavik Keflavik Intl. Those looking to explore during their layover in Reykjavik can rent a car from Reykjavik Keflavik Intl for about $49 per day.
Where are the least popular layover locations for Chicago to Dublin flights?
Chicago to Dublin flights have a layover in Stockholm least often.
Can I find deals for flights from Chicago to Dublin that include hotel bookings?
Yes. In addition to deals on Chicago to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Chicago to Dublin?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Dublin.
Can I find deals for business class flights from Chicago to Dublin?
Yes. Cheapflights offers flight deals from Chicago 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 Chicago to Dublin?
Currently, November is the cheapest month in which you can book a flight from Chicago to Dublin (average of $509). Flying from Chicago 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

Maynooth

Castleknock

Swords

Wicklow

Leixlip

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

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Other flights to Dublin

Top 10 airlines flying from Chicago to Dublin

Airline	Cheapest	Average	Flexibility	On-time
Air France	Cheapest$196	Average$200	FlexibilityNo cancel fee	On-time77%
Scandinavian Airlines	Cheapest$341	Average$484	FlexibilityNo cancel fee	On-time77%
Icelandair	Cheapest$355	Average$557	FlexibilityNo cancel fee	On-time76%
TAP AIR PORTUGAL	Cheapest$393	Average$474	FlexibilityNo cancel fee	On-timeN/A
Aer Lingus	Cheapest$445	Average$709	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$482	Average$769	FlexibilityNo cancel fee	On-time75%
Iberia	Cheapest$509	Average$731	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$519	Average$657	FlexibilityNo cancel fee	On-time70%
Finnair	Cheapest$526	Average$805	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$526	Average$820	FlexibilityNo cancel fee	On-time71%

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$236+ Cheap flights from Chicago (CHI) 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Chicago to Dublin are usually found in February or November, booked 56 days in advance, depart on a Tuesday or Sunday and return on a Friday

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Find flight deals from Chicago to Dublin

Cheapest flights from Chicago to DublinExplore the most affordable flight options available from Chicago to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 16, 2025.

Explore the most affordable flight options available from Chicago to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 16, 2025.

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Compare providers for flights from Chicago to Dublin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Dublin in April.

Best time to book a flight from Chicago to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Chicago with our price prediction graph.

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

How far ahead should I book a flight from Chicago to Dublin?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Dublin. Price data was last updated on April 11, 2025.

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

What is the cheapest time of day to fly from CHI to DUB?

Find hourly flight availability from Chicago 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 April 16, 2025.

What is the cheapest day to fly from Chicago to Dublin?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Dublin. Price data was last updated on June 30, 2024.

Weekly flight availability from Chicago to Dublin

Explore weekly flight availability from Chicago 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 April 16, 2025.

Rainfall in Dublin by month

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

Temperature in Dublin by month

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

Reviews of airlines servicing Dublin

Get a feel of what it's like to fly with Delta, KLM and Finnair from Chicago to Dublin by reading reviews from past customers. 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.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago?

What are the cheapest airlines flying from Chicago to Dublin round-trip?

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

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What are the cheapest flights from Chicago to Dublin?

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

How can I find direct flights from Chicago to Dublin?

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

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

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Top 10 airlines flying from Chicago to Dublin

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Cheapest flights from Chicago to Dublin
Explore the most affordable flight options available from Chicago to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 16, 2025.