How many flights depart from Chicago to Dublin on average per week?

As of September 2025, 136 flights take off from Chicago 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.

What is the cheapest airline that flies from Chicago to Dublin?

TAP AIR PORTUGAL and WestJet are the most popular carriers operating from Chicago to Dublin

How many flights depart from Chicago to Dublin on average per day?

As of September 2025, there are 19 flights per day flying from Chicago to Dublin. The most common time of day flights depart is 20:00, with 79% of flights taking off in the evening.

When did momondo last update prices for flights from Chicago to Dublin Airport?

Prices for flights from Chicago to Dublin Airport refresh daily.

How many operators does momondo search for flights from Chicago to Dublin Airport?

The number of operators available for flights from Chicago to Dublin Airport is 2 as of September 2025.

How old do you have to be to fly from Chicago to Dublin Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Dublin Airport.

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

The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

€180 Cheap Flights from Chicago to Dublin in 2025

Q: What is the typical price of a round-trip flight between Chicago and Dublin?

Prices are currently low for flights on this route. Typical prices usually range from €503 to €677. The lowest price recently found on this route was €414.

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Find the cheapest flights from Chicago to Dublin

Round-trip

One-way

Last minute

Direct

Cheap return flights

19:35 - 08:10ORD-DUB

7h 35mdirect

09:10 - 20:05DUB-ORD

16h 55m1 stop

€414

Find Deal

Mon, 27 Oct - Wed, 5 Nov

09:30 - 07:45MDW-DUB

17h 15m2 stops

05:55 - 18:34DUB-MDW

17h 39m2 stops

€415Delta

Find Deal

Tue, 10 Mar - Thu, 19 Mar

19:20 - 18:20ORD-DUB

17h 00m1 stop

12:30 - 16:45DUB-ORD

34h 15m1 stop

€415Scandinavian Airlines

Find Deal

Thu, 13 Nov - Wed, 19 Nov

14:39 - 10:20ORD-DUB

13h 41m1 stop

10:40 - 13:30DUB-ORD

8h 50mdirect

€416United Airlines

Find Deal

Wed, 3 Dec - Thu, 11 Dec

20:20 - 18:20ORD-DUB

17h 00m1 stop

19:05 - 21:19DUB-ORD

32h 14m2 stops

€417Scandinavian Airlines

Find Deal

Mon, 27 Oct - Mon, 3 Nov

21:20 - 07:10ORD-DUB

27h 50m1 stop

10:40 - 13:30DUB-ORD

8h 50mdirect

€417United Airlines

Find Deal

Sat, 8 Nov - Wed, 19 Nov

21:40 - 16:55ORD-DUB

13h 15m1 stop

12:10 - 19:55DUB-ORD

13h 45m1 stop

€418Lufthansa

Find Deal

Wed, 8 Oct - Tue, 21 Oct

15:45 - 05:10ORD-DUB

7h 25mdirect

16:40 - 19:00DUB-ORD

8h 20mdirect

€430Aer Lingus

Find Deal

Wed, 8 Oct - Wed, 15 Oct

21:40 - 16:55ORD-DUB

13h 15m1 stop

05:55 - 12:55DUB-ORD

13h 00m1 stop

€435Lufthansa

Find Deal

Wed, 8 Oct - Thu, 16 Oct

19:40 - 09:00ORD-DUB

7h 20mdirect

16:40 - 19:15DUB-ORD

8h 35mdirect

€445Aer Lingus

Find Deal

Sat, 27 Dec - Wed, 7 Jan

Delta flights from Chicago to Dublin

Our best Delta deals on Chicago to Dublin flight tickets

Delta

10 Mar

MDW09:30Chicago Midway

17h 15m

2 stops

DUB07:45Dublin

19 Mar

DUB05:55Dublin

17h 39m

2 stops

MDW18:34Chicago Midway

€415

Find similar

Delta

16 Feb

MDW09:30Chicago Midway

16h 35m

2 stops

DUB08:05Dublin

27 Feb

DUB09:45Dublin

12h 40m

1 stop

MDW16:25Chicago Midway

€421

Find similar

Delta

28 Oct

MDW18:23Chicago Midway

16h 22m

2 stops

DUB15:45Dublin

6 Nov

DUB06:00Dublin

18h 25m

2 stops

MDW18:25Chicago Midway

€427

Find similar

Scandinavian Airlines flights from Chicago to Dublin

Our best Scandinavian Airlines deals on Chicago to Dublin flight tickets

Scandinavian Airlines

13 Nov

ORD19:20Chicago O'Hare Intl

17h 00m

1 stop

DUB18:20Dublin

19 Nov

DUB12:30Dublin

34h 15m

1 stop

ORD16:45Chicago O'Hare Intl

€415

Find similar

Scandinavian Airlines

27 Oct

ORD20:20Chicago O'Hare Intl

17h 00m

1 stop

DUB18:20Dublin

3 Nov

DUB19:05Dublin

32h 14m

2 stops

ORD21:19Chicago O'Hare Intl

€417

Find similar

Scandinavian Airlines

21 Feb

ORD19:20Chicago O'Hare Intl

34h 25m

1 stop

DUB11:45Dublin

27 Feb

DUB12:30Dublin

34h 15m

1 stop

ORD16:45Chicago O'Hare Intl

€446

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 27/10

19:35-08:10

Nonstop7h 35m

Dublin

Wed 5/11

09:10-20:05

1 stop16h 55m

€414

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Tue 10/3

09:30-07:45

2 stops17h 15m

Dublin

Thu 19/3

05:55-18:34

2 stops17h 39m

€415

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 13/11

19:20-18:20

1 stop17h 00m

Dublin

Wed 19/11

12:30-16:45

1 stop34h 15m

€415

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 3/12

14:39-10:20

1 stop13h 41m

Dublin

Thu 11/12

10:40-13:30

Nonstop8h 50m

€416

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 27/10

20:20-18:20

1 stop17h 00m

Dublin

Mon 3/11

19:05-21:19

2 stops32h 14m

€417

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 8/11

21:20-07:10

1 stop27h 50m

Dublin

Wed 19/11

10:40-13:30

Nonstop8h 50m

€417

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 8/10

21:40-16:55

1 stop13h 15m

Dublin

Tue 21/10

12:10-19:55

1 stop13h 45m

€418

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 8/10

15:45-05:10

Nonstop7h 25m

Dublin

Wed 15/10

16:40-19:00

Nonstop8h 20m

€430

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 8/10

21:40-16:55

1 stop13h 15m

Dublin

Thu 16/10

05:55-12:55

1 stop13h 00m

€435

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 27/12

19:40-09:00

Nonstop7h 20m

Dublin

Wed 7/1

16:40-19:15

Nonstop8h 35m

€445

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago 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

Other information

What is the typical price of a round-trip flight between Chicago and Dublin?

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of February, then book flights to Dublin from Chicago during January instead. Flights to Dublin in January, while not as cheap as those in February, still average around €477.

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

Our data shows that Thursday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €552. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €708. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

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

Our data shows that the cheapest Chicago to Dublin flights are usually those with departure times in the evening. Our users have found flights to Dublin in the evening for as low as €622. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €775 on average. Flights to Dublin from Chicago at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Chicago to Dublin flight route?

Fly from Chicago O'Hare Intl to Dublin for the best Chicago - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €598 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Chicago for as low as €555 on momondo.

What cabin class options are available on Chicago to Dublin flights?

There is only 1 cabin class available to choose from on Chicago 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 to Dublin flights?

No. A direct flight is the cheapest option for a flight between Chicago to Dublin.

How have Chicago to Dublin flight prices changed over time?

As of September 2025, prices for Chicago to Dublin flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Dublin

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

Estimated return price

Cheap Chicago to Dublin (CHI to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Dublin

Best price found	€578
Fastest flight time	7h 20m
Direct flights	Every day
Airports in Dublin	1 airport

The best one-way flight to Dublin from Chicago in the past 72 hours is €578. The best return flight deal from Chicago to Dublin found on momondo in the last 72 hours is €548.

The fastest flight from Chicago to Dublin takes 7h 20m

Direct flights go from Chicago to Dublin every day.

There is 1 airport near Dublin: Dublin (DUB)

Search flight deals

How far is Chicago to Dublin by plane?
The straight-line distance from Chicago to Dublin is 5885.8 km. A reasonable flight in good conditions will take 7h 20m.
When did momondo last update prices for flights from Chicago to Dublin Airport?
Prices for flights from Chicago to Dublin Airport refresh daily.
How many operators does momondo search for flights from Chicago to Dublin Airport?
The number of operators available for flights from Chicago to Dublin Airport is 2 as of September 2025.
How old do you have to be to fly from Chicago to Dublin Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Dublin Airport.
What documentation or ID do you need to fly to Dublin Airport?
The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Chicago to Dublin?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Dublin is Boeing 787-8 Dreamliner, representing 39.57% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 19.15%, Airbus A330 at 11.45%, and Boeing 767-300 at 7.45%.
What is the most popular airline from Chicago to Dublin?
Based on momondo bookings for flights between Chicago and Dublin, the leading airline is Aer Lingus, making up 100% of the total bookings.

Best airlines flying from Chicago to Dublin

Compare and see reviews for airlines that fly from Chicago to Dublin with momondo

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom €452	Free Cancellation	Rating 7.2 1,271 reviews		Search Aer Lingus flights
United Airlines	PriceFrom €552	Free Cancellation	Rating 7.4 8,931 reviews		Search United Airlines flights

United Airlines Flights From Chicago to Dublin
Across 7 United Airlines flights from Chicago to Dublin this week, the average price was €731, with the best United Airlines deals starting from €648 round-trip. 8,931 users have rated United Airlines on momondo, with an average score of 7.4/10.
Aer Lingus Flights From Chicago to Dublin
Across 1,271 Aer Lingus reviews on momondo, the average score is 7.2/10. Aer Lingus flies from Chicago to Dublin about 20 times each week, with ticket deals ranging from €530 to €756. Price data is based on momondo searches in the last 72 hours.

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Bray

Maynooth

Arklow

Drogheda

Malahide

Carlingford

Portmarnock

Castleknock

Leixlip

Why use momondo?

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

It is quick and easy to find Chicago to Dublin flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Dublin that suits you.

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 provides multiple filters to help you find the best flight to Dublin from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Dublin from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Dublin trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from Chicago to Dublin from €180

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Dublin departing on 24/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Chicago to Dublin

Cheap return flights

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Cheap last-minute flights

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Delta flights from Chicago to Dublin

Our best Delta deals on Chicago to Dublin flight tickets

Scandinavian Airlines flights from Chicago to Dublin

Our best Scandinavian Airlines deals on Chicago to Dublin flight tickets

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

See travel insights to Dublin from

How to get the cheapest flight ticket from Chicago 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

What is the typical price of a round-trip flight between Chicago and Dublin?

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of February, then book flights to Dublin from Chicago during January instead. Flights to Dublin in January, while not as cheap as those in February, still average around €477.

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 to Dublin flight route?

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

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

What cabin class options are available on Chicago to Dublin flights?

There is only 1 cabin class available to choose from on Chicago 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 to Dublin flights?

No. A direct flight is the cheapest option for a flight between Chicago to Dublin.

How have Chicago to Dublin flight prices changed over time?

As of September 2025, prices for Chicago to Dublin flights are approximately 14% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Chicago to Dublin?

TAP AIR PORTUGAL and WestJet are the most popular carriers operating from Chicago to Dublin

How many flights depart from Chicago to Dublin on average per day?

As of September 2025, there are 19 flights per day flying from Chicago to Dublin. The most common time of day flights depart is 20:00, with 79% of flights taking off in the evening.

How many flights depart from Chicago to Dublin on average per week?

As of September 2025, 136 flights take off from Chicago 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 to Dublin

Cheap Chicago to Dublin (CHI to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Dublin

Best price found

Fastest flight time

Direct flights

Airports in Dublin

How far is Chicago to Dublin by plane?

When did momondo last update prices for flights from Chicago to Dublin Airport?

How many operators does momondo search for flights from Chicago to Dublin Airport?

How old do you have to be to fly from Chicago to Dublin Airport?

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

What is the most popular plane model from Chicago to Dublin?

What is the most popular airline from Chicago to Dublin?

Best airlines flying from Chicago to Dublin

Compare and see reviews for airlines that fly from Chicago to Dublin with momondo

United Airlines Flights From Chicago to Dublin

Aer Lingus Flights From Chicago to Dublin

Travelling 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Airports servicing Ireland