Cheap flights from Chicago O'Hare Intl Airport to Dublin from €170

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 O'Hare Intl Airport to Dublin departing on 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
20:20 - 18:20ORD-DUB
17h 00m1 stop
Scandinavian Airlines Logo
11:30 - 17:45DUB-ORD
35h 15m2 stops
€375Scandinavian Airlines
Find Deal
Wed, 18 Mar - Wed, 25 Mar
TAP AIR PORTUGAL Logo
19:10 - 23:20ORD-DUB
22h 10m1 stop
TAP AIR PORTUGAL Logo
04:25 - 15:25DUB-ORD
17h 00m1 stop
€376TAP AIR PORTUGAL
Find Deal
Wed, 21 Jan - Thu, 29 Jan
KLM Logo
17:50 - 08:45ORD-DUB
9h 55m1 stop
KLM Logo
10:00 - 17:51DUB-ORD
13h 51m1 stop
€377KLM
Find Deal
Wed, 25 Mar - Tue, 7 Apr
Delta Logo
10:35 - 08:45ORD-DUB
16h 10m2 stops
Delta Logo
10:45 - 21:05DUB-ORD
16h 20m2 stops
€378Delta
Find Deal
Tue, 20 Jan - Fri, 30 Jan
Scandinavian Airlines Logo
19:20 - 18:20ORD-DUB
17h 00m1 stop
Scandinavian Airlines Logo
11:30 - 16:45DUB-ORD
35h 15m2 stops
€379Scandinavian Airlines
Find Deal
Thu, 22 Jan - Thu, 29 Jan
Scandinavian Airlines Logo
19:15 - 18:20ORD-DUB
17h 05m1 stop
Scandinavian Airlines Logo
19:15 - 16:10DUB-ORD
26h 55m2 stops
€379Scandinavian Airlines
Find Deal
Sat, 18 Apr - Sun, 26 Apr
Scandinavian Airlines Logo
18:25 - 11:45ORD-DUB
35h 20m2 stops
Scandinavian Airlines Logo
10:55 - 16:45DUB-ORD
35h 50m2 stops
€380Scandinavian Airlines
Find Deal
Wed, 21 Jan - Sun, 25 Jan
Scandinavian Airlines Logo
19:20 - 18:20ORD-DUB
17h 00m1 stop
Scandinavian Airlines Logo
11:30 - 16:45DUB-ORD
35h 15m2 stops
€381Scandinavian Airlines
Find Deal
Thu, 22 Jan - Thu, 29 Jan
Scandinavian Airlines Logo
19:10 - 18:20ORD-DUB
17h 10m1 stop
Scandinavian Airlines Logo
12:30 - 16:45DUB-ORD
34h 15m1 stop
€382Scandinavian Airlines
Find Deal
Sun, 25 Jan - Wed, 28 Jan
Delta Logo
10:29 - 07:50ORD-DUB
15h 21m2 stops
Delta Logo
10:45 - 17:45DUB-ORD
13h 00m1 stop
€383Delta
Find Deal
Wed, 21 Jan - Wed, 28 Jan

United Airlines flights from Chicago O'Hare Intl Airport to Dublin

Our best United Airlines deals on Chicago O'Hare Intl Airport to Dublin flight tickets
United Airlines
28 Dec
ORD18:35Chicago O'Hare Intl
7h 35m
DUB08:10Dublin
14 Jan
DUB09:00Dublin
35h 49m
2 stops
ORD14:49Chicago O'Hare Intl
United Airlines
2 Apr
ORD21:15Chicago O'Hare Intl
28h 05m
1 stop
DUB07:20Dublin
8 Apr
DUB09:50Dublin
29h 20m
1 stop
ORD09:10Chicago O'Hare Intl
United Airlines
19 Jan
ORD18:35Chicago O'Hare Intl
7h 35m
DUB08:10Dublin
28 Jan
DUB09:00Dublin
12h 10m
1 stop
ORD15:10Chicago O'Hare Intl

Scandinavian Airlines flights from Chicago O'Hare Intl Airport to Dublin

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to Dublin flight tickets
Scandinavian Airlines
18 Mar
ORD20:20Chicago O'Hare Intl
17h 00m
1 stop
DUB18:20Dublin
25 Mar
DUB11:30Dublin
35h 15m
2 stops
ORD17:45Chicago O'Hare Intl
Scandinavian Airlines
22 Jan
ORD19:20Chicago O'Hare Intl
17h 00m
1 stop
DUB18:20Dublin
29 Jan
DUB11:30Dublin
35h 15m
2 stops
ORD16:45Chicago O'Hare Intl
Scandinavian Airlines
18 Apr
ORD19:15Chicago O'Hare Intl
17h 05m
1 stop
DUB18:20Dublin
26 Apr
DUB19:15Dublin
26h 55m
2 stops
ORD16:10Chicago O'Hare Intl

momondo Fare Finder

 
Customise your flight search to find flights from Chicago O'Hare Intl Airport to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 28 November 2025.
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 18/3

20:20-18:20

1 stop17h 00m

Dublin

Wed 25/3

11:30-17:45

2 stops35h 15m

€375

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 21/1

19:10-23:20

1 stop22h 10m

Dublin

Thu 29/1

04:25-15:25

1 stop17h 00m

€376

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 25/3

17:50-08:45

1 stop9h 55m

Dublin

Tue 7/4

10:00-17:51

1 stop13h 51m

€377

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 20/1

10:35-08:45

2 stops16h 10m

Dublin

Fri 30/1

10:45-21:05

2 stops16h 20m

€378

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 22/1

19:20-18:20

1 stop17h 00m

Dublin

Thu 29/1

11:30-16:45

2 stops35h 15m

€379

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 18/4

19:15-18:20

1 stop17h 05m

Dublin

Sun 26/4

19:15-16:10

2 stops26h 55m

€379

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 21/1

18:25-11:45

2 stops35h 20m

Dublin

Sun 25/1

10:55-16:45

2 stops35h 50m

€380

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 22/1

19:20-18:20

1 stop17h 00m

Dublin

Thu 29/1

11:30-16:45

2 stops35h 15m

€381

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 25/1

19:10-18:20

1 stop17h 10m

Dublin

Wed 28/1

12:30-16:45

1 stop34h 15m

€382

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 21/1

10:29-07:50

2 stops15h 21m

Dublin

Wed 28/1

10:45-17:45

1 stop13h 00m

€383

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Dublin from

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

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of January, then book flights to Dublin from Chicago O'Hare Intl Airport during February instead. Flights to Dublin in February, while not as cheap as those in January, still average around €485.

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 €559. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €748. 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 O'Hare Intl Airport 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 €630. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €785 on average. Flights to Dublin from Chicago O'Hare Intl Airport at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 €607 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 O'Hare Intl Airport for as low as €568 on momondo.

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

There is only 1 cabin class 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 November 2025, prices for Chicago O'Hare Intl Airport to Dublin flights are approximately 42% 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 return 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

Fastest flight time

7h 20m

Direct flights

Every day

Airports in Dublin

1 airport
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 near Dublin: Dublin (DUB)
  • How far is Chicago O'Hare Intl to Dublin by plane?

    There are 5895.0 km between Chicago O'Hare Intl and Dublin. A reasonable flight in good conditions will take 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 are updated daily.

  • 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?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify 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 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 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
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom €309Free CancellationRating
7.2
1,382 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €494Free CancellationRating
7.4
9,057 reviews
Search United Airlines flights
  • United Airlines Flights From Chicago O'Hare Intl Airport to Dublin

    United Airlines is one of the most popular airlines flying from Chicago O'Hare Intl Airport to Dublin, operating 7 flights/week on average for this route. A good United Airlines flight deal for Chicago O'Hare Intl Airport to Dublin starts from €494 round-trip, up to an average price of €630. Our users have rated United Airlines at 7.4/10.

  • Aer Lingus Flights From Chicago O'Hare Intl Airport to Dublin

    Across 1,382 Aer Lingus reviews on momondo, the average score is 7.2/10. Aer Lingus flies from Chicago O'Hare Intl Airport to Dublin about 11 times each week, with ticket deals ranging from €309 to €643. Price data is based on momondo searches in the last 72 hours.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Wicklow
Swords
Cavan
Dundalk
Tullamore
Kildare
Enniscorthy
Bray
Naas
Mullingar
Carlingford
Arklow
Maynooth
Leixlip
Gorey
Malahide
Castleknock
Drogheda

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?

Yes. momondo enables you to select and highlight flights to Dublin from Chicago with this policy.

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?

If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from Chicago and alert you when they 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

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1 adult
Sun 28/12
Sun 4/1