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

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

Toronto (YYZ) has the shortest average layover time for this route: 2h 11m.

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.

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

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 10h 02m.

How often are flights from Chicago to Dublin delayed?

Historically, on average around 22% 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 152 minutes.

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

Reykjavik (KEF) was the most common stop: 55% of momondo users choosing 1-stop flights on this route connected there.

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

According to our data, Air France have had the least number of delays on this route over the last 12 months; with about 18% of their flights experiencing any sort of delay.

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 January 2026.

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.

$219 Cheap Flights from Chicago O'Hare Intl Airport to Dublin in 2026

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

As of January 2026, 65 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 Mon, with 15% of weekly flights taking off on this day.

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 9 per day as of January 2026. The most frequent departure time is 6:00PM, with 100% of daily flights leaving in the evening.

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7:20 pm - 6:20 pm

ORD

DUB

17h 00m

1 stop

10:10 am - 4:45 pm

DUB

ORD

12h 35m

1 stop

$423Scandinavian Airlines

Wed, Feb 25 - Sat, Mar 7

7:20 pm - 6:20 pm

ORD

DUB

17h 00m

1 stop

7:05 pm - 4:45 pm

DUB

ORD

27h 40m

1 stop

$424Scandinavian Airlines

Wed, Feb 18 - Sun, Feb 22

7:15 pm - 6:20 pm

ORD

DUB

17h 05m

1 stop

11:10 am - 4:10 pm

DUB

ORD

35h 00m

2 stops

$425Scandinavian Airlines

Fri, Apr 24 - Fri, May 8

7:15 pm - 11:50 am

ORD

DUB

34h 35m

1 stop

12:40 pm - 4:10 pm

DUB

ORD

33h 30m

1 stop

$426Scandinavian Airlines

Wed, Apr 15 - Tue, Apr 21

7:15 pm - 11:50 am

ORD

DUB

34h 35m

1 stop

12:40 pm - 4:10 pm

DUB

ORD

33h 30m

1 stop

$427Scandinavian Airlines

Wed, Apr 15 - Thu, Apr 23

6:30 pm - 10:15 am

ORD

DUB

9h 45m

1 stop

11:30 am - 5:20 pm

DUB

ORD

11h 50m

1 stop

$429Icelandair

Wed, Feb 25 - Wed, Mar 4

9:50 pm - 5:10 pm

ORD

DUB

13h 20m

1 stop

5:00 am - 2:25 pm

DUB

ORD

14h 25m

1 stop

$430Lufthansa

Sun, Mar 1 - Tue, Mar 10

7:20 pm - 6:20 pm

ORD

DUB

17h 00m

1 stop

11:15 am - 4:45 pm

DUB

ORD

35h 30m

2 stops

$431Scandinavian Airlines

Wed, Feb 18 - Thu, Feb 26

9:50 pm - 5:10 pm

ORD

DUB

13h 20m

1 stop

5:10 am - 1:25 pm

DUB

ORD

14h 15m

1 stop

$432Lufthansa

Wed, Feb 25 - Wed, Mar 4

7:25 pm - 1:15 pm

ORD

DUB

11h 50m

1 stop

2:15 pm - 6:15 pm

DUB

ORD

10h 00m

1 stop

$433Icelandair

Mon, Apr 13 - Tue, Apr 21

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

Mar 1

ORD9:50 pmChicago O'Hare Intl

13h 20m

1 stop

DUB5:10 pmDublin

Mar 10

DUB5:00 amDublin

14h 25m

1 stop

ORD2:25 pmChicago O'Hare Intl

$430

Lufthansa

Feb 25

ORD9:50 pmChicago O'Hare Intl

13h 20m

1 stop

DUB5:10 pmDublin

Mar 4

DUB5:10 amDublin

14h 15m

1 stop

ORD1:25 pmChicago O'Hare Intl

$432

TAP AIR PORTUGAL flights from Chicago O'Hare Intl Airport to Dublin

Our best TAP AIR PORTUGAL deals on Chicago O'Hare Intl Airport to Dublin flight tickets

TAP AIR PORTUGAL

Apr 8

ORD6:00 pmChicago O'Hare Intl

24h 05m

1 stop

DUB12:05 amDublin

Apr 19

DUB5:30 amDublin

16h 30m

1 stop

ORD4:00 pmChicago O'Hare Intl

$440

TAP AIR PORTUGAL

Mar 1

ORD8:25 pmChicago O'Hare Intl

13h 45m

1 stop

DUB4:10 pmDublin

Mar 10

DUB4:55 pmDublin

28h 05m

1 stop

ORD4:00 pmChicago O'Hare Intl

$461

TAP AIR PORTUGAL

Feb 8

ORD8:25 pmChicago O'Hare Intl

13h 45m

1 stop

DUB4:10 pmDublin

Feb 19

DUB4:25 amDublin

17h 00m

1 stop

ORD3:25 pmChicago O'Hare Intl

$488

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

Wed 2/25

7:20 pm-6:20 pm

1 stop17h 00m

Dublin

Sat 3/7

10:10 am-4:45 pm

1 stop12h 35m

$423

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 2/18

7:20 pm-6:20 pm

1 stop17h 00m

Dublin

Sun 2/22

7:05 pm-4:45 pm

1 stop27h 40m

$424

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 4/24

7:15 pm-6:20 pm

1 stop17h 05m

Dublin

Fri 5/8

11:10 am-4:10 pm

2 stops35h 00m

$425

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/15

7:15 pm-11:50 am

1 stop34h 35m

Dublin

Tue 4/21

12:40 pm-4:10 pm

1 stop33h 30m

$426

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/15

7:15 pm-11:50 am

1 stop34h 35m

Dublin

Thu 4/23

12:40 pm-4:10 pm

1 stop33h 30m

$427

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 2/25

6:30 pm-10:15 am

1 stop9h 45m

Dublin

Wed 3/4

11:30 am-5:20 pm

1 stop11h 50m

$429

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/1

9:50 pm-5:10 pm

1 stop13h 20m

Dublin

Tue 3/10

5:00 am-2:25 pm

1 stop14h 25m

$430

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 2/18

7:20 pm-6:20 pm

1 stop17h 00m

Dublin

Thu 2/26

11:15 am-4:45 pm

2 stops35h 30m

$431

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 2/25

9:50 pm-5:10 pm

1 stop13h 20m

Dublin

Wed 3/4

5:10 am-1:25 pm

1 stop14h 15m

$432

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 4/13

7:25 pm-1:15 pm

1 stop11h 50m

Dublin

Tue 4/21

2:15 pm-6:15 pm

1 stop10h 00m

$433

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 $520. 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 $520.

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 $740. Flights from Chicago O'Hare Intl Airport to Dublin on a Friday will generally be more expensive and average around $830. 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?

In the evening 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 $756. Flying to Dublin in the evening 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 $798.

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 $683 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 $642 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 January 2026, prices for Chicago O'Hare Intl Airport to Dublin flights are approximately 40% 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	$378
Fastest flight time	7h 15m
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 $378. The best round-trip flight deal from Chicago O'Hare Intl Airport to Dublin found on momondo in the last 72 hours is $545.

The fastest flight from Chicago O'Hare Intl Airport to Dublin takes 7h 15m

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 15m.
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 January 2026.
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 26.43% of the total bookings. Other popular models include Boeing 787 Dreamliner with 17.48%, Boeing 767-300 with 17.36%, and Boeing 787-8 Dreamliner with 15.63%.
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 (23%), American Airlines (8%), and Iberia (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 2,891 reviews	Search JetBlue flights
Icelandair	PriceFrom $344	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $393	Free Cancellation	Rating 7.1 2,130 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.3 1,674 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $425	Free Cancellation	Rating 6.7 7,705 reviews	Search British Airways flights
Aer Lingus	PriceFrom $468	Free Cancellation	Rating 7.2 1,443 reviews	Search Aer Lingus flights
Iberia	PriceFrom $469	Free Cancellation	Rating 7.0 3,100 reviews	Search Iberia flights
SWISS	PriceFrom $473	Free Cancellation	Rating 7.6 1,864 reviews	Search SWISS flights
Brussels Airlines	PriceFrom $487	Free Cancellation	Rating 7.2 381 reviews	Search Brussels Airlines flights
Lufthansa	PriceFrom $488	Free Cancellation	Rating 6.8 7,756 reviews	Search Lufthansa 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 2 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 9,215 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 $766, with deals from around $504 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

Swords

Athlone

Dundalk

Malahide

Mullingar

Bray

Kildare

Wicklow

Drogheda

Portmarnock

Arklow

Castleknock

Naas

Leixlip

Carlingford

Cavan

Maynooth

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 $219

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Lufthansa flights from Chicago O'Hare Intl Airport to Dublin

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

See travel insights to Dublin from

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 January 2026, prices for Chicago O'Hare Intl Airport to Dublin flights are approximately 40% 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 22% 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 152 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?

Saturday 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, Air France have had the least number of delays on this route over the last 12 months; with about 18% 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: 55% 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 Toronto (YYZ) have the shortest average one-way travel time: 10h 02m.

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

Toronto (YYZ) has the shortest average layover time for this route: 2h 11m.

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 9 per day as of January 2026. The most frequent departure time is 6:00PM, with 100% 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 January 2026, 65 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 Mon, with 15% 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