Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Dublin?

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 9h 20m.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Dublin?

Reykjavik (KEF) was the most common stop: 48% of momondo users choosing 1-stop flights on this route connected there.

What is the most punctual flight time for Chicago to Dublin flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Dublin?

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $428.

Which airline has the best punctuality record on Chicago to Dublin flights?

According to our data, Aer Lingus have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.

What airlines fly to Dublin?

Aer Lingus, United Airlines and American Airlines are the top three most popular airlines that fly to Dublin from Chicago O'Hare Intl Airport according to our data. Aer Lingus is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Dublin. Keep in mind that there are 16 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Dublin?

Philadelphia (PHL) has the shortest average layover time for this route: 1h 23m.

How often are flights from Chicago to Dublin delayed?

Historically, on average around 21% of flights between Chicago and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 153 minutes.

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Dublin Airport?

Prices for flights from Chicago O'Hare Intl Airport to Dublin Airport were last updated today.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Dublin Airport?

There are 16 operators available for flights from Chicago O'Hare Intl Airport to Dublin Airport as of December 2025.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Dublin Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Dublin Airport.

What documentation or ID do you need to fly to Dublin Airport?

The required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$242 Cheap Flights from Chicago O'Hare Intl Airport to Dublin in 2025/26

Q: How many flights depart from Chicago O'Hare Intl Airport to Dublin on average per day?

The number of flights available between Chicago O'Hare Intl Airport and Dublin is 12 per day as of December 2025. The most frequent departure time is 6:00PM, with 65% of daily flights leaving in the evening.

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8:20 pm - 6:20 pm

ORD

DUB

17h 00m1 stop

10:10 am - 5:45 pm

DUB

ORD

12h 35m1 stop

$420Scandinavian Airlines

dom., mar. 8 - sáb., mar. 14

10:29 am - 6:20 pm

ORD

DUB

25h 51m2 stops

11:30 am - 4:45 pm

DUB

ORD

35h 15m2 stops

$421Scandinavian Airlines

lun., ene. 26 - vie., ene. 30

7:00 am - 11:45 am

ORD

DUB

22h 45m2 stops

10:10 am - 4:45 pm

DUB

ORD

12h 35m1 stop

$422Scandinavian Airlines

jue., feb. 19 - dom., mar. 1

7:10 pm - 7:35 pm

ORD

DUB

18h 25m2 stops

12:05 pm - 4:45 pm

DUB

ORD

34h 40m2 stops

$423Scandinavian Airlines

dom., feb. 15 - dom., mar. 1

7:20 pm - 6:20 pm

ORD

DUB

17h 00m1 stop

10:10 am - 4:45 pm

DUB

ORD

12h 35m1 stop

$424Scandinavian Airlines

sáb., feb. 28 - sáb., mar. 7

6:25 pm - 6:20 pm

ORD

DUB

41h 55m2 stops

12:30 pm - 5:55 pm

DUB

ORD

34h 25m1 stop

$425Scandinavian Airlines

lun., mar. 2 - jue., mar. 12

8:20 pm - 7:35 pm

ORD

DUB

18h 15m2 stops

10:10 am - 5:45 pm

DUB

ORD

12h 35m1 stop

$426Scandinavian Airlines

dom., mar. 8 - sáb., mar. 14

6:30 pm - 10:15 am

ORD

DUB

9h 45m1 stop

11:30 am - 6:20 pm

DUB

ORD

11h 50m1 stop

$427Icelandair

jue., mar. 5 - lun., mar. 9

6:30 pm - 10:15 am

ORD

DUB

9h 45m1 stop

11:30 am - 5:20 pm

DUB

ORD

11h 50m1 stop

$428Icelandair

dom., ene. 18 - dom., feb. 1

7:20 pm - 11:45 am

ORD

DUB

34h 25m2 stops

10:10 am - 4:45 pm

DUB

ORD

12h 35m1 stop

$429Scandinavian Airlines

sáb., feb. 28 - sáb., mar. 7

Aer Lingus flights from Chicago O'Hare Intl Airport to Dublin

Our best Aer Lingus deals on Chicago O'Hare Intl Airport to Dublin flight tickets

Aer Lingus

Jan 11

ORD9:00 pmChicago O'Hare Intl

7h 20m

DUB10:20 amDublin

Jan 20

DUB4:40 pmDublin

8h 35m

ORD7:15 pmChicago O'Hare Intl

$464

Find similar

Aer Lingus

Dec 16

ORD3:50 pmChicago O'Hare Intl

7h 20m

DUB5:10 amDublin

Jan 7

DUB2:20 pmDublin

27h 32m

1 stop

ORD11:52 amChicago O'Hare Intl

$1,065

Find similar

Aer Lingus

Dec 17

ORD3:50 pmChicago O'Hare Intl

7h 20m

DUB5:10 amDublin

Dec 24

DUB11:30 amDublin

8h 30m

ORD2:00 pmChicago O'Hare Intl

$1,120

Find similar

Lufthansa flights from Chicago O'Hare Intl Airport to Dublin

Our best Lufthansa deals on Chicago O'Hare Intl Airport to Dublin flight tickets

Lufthansa

Apr 14

ORD9:40 pmChicago O'Hare Intl

13h 15m

1 stop

DUB4:55 pmDublin

Apr 23

DUB6:05 amDublin

12h 50m

1 stop

ORD12:55 pmChicago O'Hare Intl

$455

Find similar

Lufthansa

Dec 16

ORD6:35 pmChicago O'Hare Intl

7h 35m

DUB8:10 amDublin

Jan 7

DUB10:40 amDublin

8h 50m

ORD1:30 pmChicago O'Hare Intl

$1,098

Find similar

Lufthansa

Dec 18

ORD6:35 pmChicago O'Hare Intl

7h 35m

DUB8:10 amDublin

Dec 29

DUB10:40 amDublin

8h 50m

ORD1:30 pmChicago O'Hare Intl

$1,507

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 3/8

8:20 pm-6:20 pm

1 stop17h 00m

Dublin

sáb. 3/14

10:10 am-5:45 pm

1 stop12h 35m

$420

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

lun. 1/26

10:29 am-6:20 pm

2 stops25h 51m

Dublin

vie. 1/30

11:30 am-4:45 pm

2 stops35h 15m

$421

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

jue. 2/19

7:00 am-11:45 am

2 stops22h 45m

Dublin

dom. 3/1

10:10 am-4:45 pm

1 stop12h 35m

$422

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 2/15

7:10 pm-7:35 pm

2 stops18h 25m

Dublin

dom. 3/1

12:05 pm-4:45 pm

2 stops34h 40m

$423

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

sáb. 2/28

7:20 pm-6:20 pm

1 stop17h 00m

Dublin

sáb. 3/7

10:10 am-4:45 pm

1 stop12h 35m

$424

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

lun. 3/2

6:25 pm-6:20 pm

2 stops41h 55m

Dublin

jue. 3/12

12:30 pm-5:55 pm

1 stop34h 25m

$425

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 3/8

8:20 pm-7:35 pm

2 stops18h 15m

Dublin

sáb. 3/14

10:10 am-5:45 pm

1 stop12h 35m

$426

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

jue. 3/5

6:30 pm-10:15 am

1 stop9h 45m

Dublin

lun. 3/9

11:30 am-6:20 pm

1 stop11h 50m

$427

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

dom. 1/18

6:30 pm-10:15 am

1 stop9h 45m

Dublin

dom. 2/1

11:30 am-5:20 pm

1 stop11h 50m

$428

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

sáb. 2/28

7:20 pm-11:45 am

2 stops34h 25m

Dublin

sáb. 3/7

10:10 am-4:45 pm

1 stop12h 35m

$429

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Layovers

Other information

What is the cheapest month to fly to Dublin?

In general, January is the cheapest month to fly from Chicago O'Hare Intl Airport to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $525. If you’re not able to fly to Dublin in January, then February is your next best option. Flight prices from Chicago O'Hare Intl Airport to Dublin during February average around $552.

What is the cheapest day to depart on your flight to Dublin?

The cheapest day to depart from Chicago O'Hare Intl Airport to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $755. Flights from Chicago O'Hare Intl Airport to Dublin on a Friday will generally be more expensive and average around $841. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Dublin?

At noon is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Dublin when you can find flight prices for as low as $735. Flying to Dublin at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $808.

What is the cheapest Chicago O'Hare Intl to Dublin flight route?

Fly from Chicago O'Hare Intl to Dublin for the best Chicago O'Hare Intl - Dublin flight prices

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

You are more likely to see cheaper flights to Dublin from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around $698 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Chicago O'Hare Intl Airport for as low as $666 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Dublin flights?

There are 3 cabin classes available to choose from on Chicago O'Hare Intl to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to Dublin flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Dublin.

How have Chicago O'Hare Intl Airport to Dublin flight prices changed over time?

As of December 2025, prices for Chicago O'Hare Intl Airport to Dublin flights are approximately 22% more expensive when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Dublin according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Dublin (ORD to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Dublin

Best Price Found	$393
Fastest flight time	7h 20m
Direct flights	Every day
Airports in Dublin	1 airport

The best one-way flight to Dublin from Chicago O'Hare Intl Airport in the past 72 hours is $393. The best round-trip flight deal from Chicago O'Hare Intl Airport to Dublin found on momondo in the last 72 hours is $597.

The fastest flight from Chicago O'Hare Intl Airport to Dublin takes 7h 20m

Direct flights go from Chicago O'Hare Intl Airport to Dublin every day.

There is 1 airport in Dublin. From Chicago O'Hare Intl Airport there are direct flights to Dublin (DUB).

Search flight deals

How far is Chicago O'Hare Intl to Dublin by plane?
There are 3663.0 mi between Chicago O'Hare Intl and Dublin. By plane, this route typically takes 7h 20m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Dublin Airport?
Prices for flights from Chicago O'Hare Intl Airport to Dublin Airport were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Dublin Airport?
There are 16 operators available for flights from Chicago O'Hare Intl Airport to Dublin Airport as of December 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Dublin Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Dublin?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Dublin, the leading plane model is Airbus A330-300, making up 25.39% of the total bookings. Other popular models include Boeing 767-300 with 19.88%, Boeing 787 Dreamliner with 14.04%, and Boeing 787-8 Dreamliner with 14.03%.
What is the most popular airline from Chicago O'Hare Intl Airport to Dublin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago O'Hare Intl Airport to Dublin is Aer Lingus (53% of total bookings). The next most popular airlines are United Airlines (24%), American Airlines (7%), and Icelandair (4%).

Best airlines flying from Chicago O'Hare Intl Airport to Dublin

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Dublin with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $51	Free Cancellation	Rating 7.2 2,899 reviews	Search JetBlue flights
Icelandair	PriceFrom $346	Free Cancellation	Rating 7.0 589 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $393	Free Cancellation	Rating 7.1 2,089 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.4 1,605 reviews	Search Scandinavian Airlines flights
SWISS	PriceFrom $473	Free Cancellation	Rating 7.5 1,810 reviews	Search SWISS flights
Aer Lingus	PriceFrom $478	Free Cancellation	Rating 7.2 1,394 reviews	Search Aer Lingus flights
Lufthansa	PriceFrom $488	Free Cancellation	Rating 6.8 7,626 reviews	Search Lufthansa flights
British Airways	PriceFrom $512	Free Cancellation	Rating 6.7 7,571 reviews	Search British Airways flights
United Airlines	PriceFrom $518	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $522	Free Cancellation	Rating 7.2 375 reviews	Search Brussels Airlines flights

SWISS Flights From Chicago O'Hare Intl Airport to Dublin
SWISS flight deals from Chicago O'Hare Intl Airport to Dublin start from $473 round-trip. Over the 3 SWISS flights for this route in a normal week, average airfare is usually $818 round-trip - but some users have found much cheaper deals with momondo.
United Airlines Flights From Chicago O'Hare Intl Airport to Dublin
United Airlines (7.4/10 from 9,094 reviews) operates around 7 flights from Chicago O'Hare Intl Airport to Dublin in any given week. The average United Airlines airfare for this route is around $777, with deals from around $518 rare but found on momondo. Referenced prices are for round-trip Chicago O'Hare Intl Airport to Dublin flight searches in the last 72 hours.

Kilkenny

Athlone

Swords

Dundalk

Malahide

Maynooth

Bray

Kildare

Mullingar

Drogheda

Naas

Arklow

Cavan

Castleknock

Wicklow

Leixlip

Thurles

Slane

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Dublin?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Dublin from Chicago.

Can I find flights from Chicago to Dublin with flexible booking policies on momondo?

All flight searches from Chicago to Dublin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Chicago to Dublin?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Dublin.

I’m not ready to book a flight from Chicago to Dublin right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Dublin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Chicago O'Hare Intl Airport to Dublin from $242

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Aer Lingus flights from Chicago O'Hare Intl Airport to Dublin

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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Dublin

What is the cheapest month to fly to Dublin?

What is the cheapest day to depart on your flight to Dublin?

What is the cheapest time of day to depart on your flight to Dublin?

What is the cheapest Chicago O'Hare Intl to Dublin flight route?

Fly from Chicago O'Hare Intl to Dublin for the best Chicago O'Hare Intl - Dublin flight prices

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

What cabin class options are available on Chicago O'Hare Intl to Dublin flights?

There are 3 cabin classes available to choose from on Chicago O'Hare Intl to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago O'Hare Intl Airport to Dublin flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Dublin.

How have Chicago O'Hare Intl Airport to Dublin flight prices changed over time?

As of December 2025, prices for Chicago O'Hare Intl Airport to Dublin flights are approximately 22% more expensive when compared to flights at the same time last year.

What airlines fly to Dublin?

How often are flights from Chicago to Dublin delayed?

Historically, on average around 21% of flights between Chicago and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 153 minutes.

What is the most punctual flight time for Chicago to Dublin flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Chicago to Dublin flights?

According to our data, Aer Lingus have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Chicago O'Hare Intl Airport and Dublin?

Reykjavik (KEF) was the most common stop: 48% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Chicago O'Hare Intl Airport to Dublin?

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $428.

Which layover airport has the shortest travel time from Chicago O'Hare Intl Airport to Dublin?

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 9h 20m.

Which layover airport has the shortest connection time from Chicago O'Hare Intl Airport to Dublin?

Philadelphia (PHL) has the shortest average layover time for this route: 1h 23m.

How many flights depart from Chicago O'Hare Intl Airport to Dublin on average per day?

The number of flights available between Chicago O'Hare Intl Airport and Dublin is 12 per day as of December 2025. The most frequent departure time is 6:00PM, with 65% of daily flights leaving in the evening.

How many flights depart from Chicago O'Hare Intl Airport to Dublin on average per week?

As of December 2025, 86 flights take off from Chicago O'Hare Intl Airport and land in Dublin each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

When to book flights from Chicago O'Hare Intl Airport to Dublin

Cheap Chicago O'Hare Intl Airport to Dublin (ORD to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Dublin

Best Price Found

Fastest flight time

Direct flights

Airports in Dublin

How far is Chicago O'Hare Intl to Dublin by plane?

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Dublin Airport?

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Dublin Airport?

How old do you have to be to fly from Chicago O'Hare Intl Airport to Dublin Airport?

What documentation or ID do you need to fly to Dublin Airport?

What is the most popular plane model from Chicago O'Hare Intl Airport to Dublin?

What is the most popular airline from Chicago O'Hare Intl Airport to Dublin?

Best airlines flying from Chicago O'Hare Intl Airport to Dublin

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Dublin with momondo

SWISS Flights From Chicago O'Hare Intl Airport to Dublin

United Airlines Flights From Chicago O'Hare Intl Airport to Dublin

Traveling to a place near Dublin?

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Dublin?

Can I find flights from Chicago to Dublin with flexible booking policies on momondo?

How can momondo help me find flights from Chicago to Dublin?

I’m not ready to book a flight from Chicago to Dublin right now. Can momondo alert me if prices change?

An easier way to manage your Dublin trip