Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Ireland from €184

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 Ireland departing on 23/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chicago O'Hare Intl Airport to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
19:20 - 18:20
ORD
-
DUB
17h 00m
1 stop
Scandinavian Airlines Logo
19:05 - 16:45
DUB
-
ORD
27h 40m
1 stop
€355Scandinavian Airlines
Wed, 18 Feb - Sun, 22 Feb
Scandinavian Airlines Logo
19:15 - 18:20
ORD
-
DUB
17h 05m
1 stop
Scandinavian Airlines Logo
11:10 - 16:10
DUB
-
ORD
35h 00m
2 stops
€355Scandinavian Airlines
Sat, 25 Apr - Thu, 7 May
Icelandair Logo
18:30 - 10:15
ORD
-
DUB
9h 45m
1 stop
Icelandair Logo
11:30 - 17:20
DUB
-
ORD
11h 50m
1 stop
€360Icelandair
Wed, 25 Feb - Wed, 4 Mar
Lufthansa Logo
21:50 - 17:10
ORD
-
DUB
13h 20m
1 stop
Lufthansa Logo
05:00 - 13:25
DUB
-
ORD
14h 25m
1 stop
€360Lufthansa
Mon, 23 Feb - Tue, 3 Mar
Icelandair Logo
19:25 - 11:05
ORD
-
DUB
9h 40m
1 stop
Icelandair Logo
12:15 - 18:15
DUB
-
ORD
12h 00m
1 stop
€361Icelandair
Thu, 16 Apr - Sun, 19 Apr
American Airlines Logo
20:35 - 20:35
ORD
-
SNN
18h 00m
1 stop
American Airlines Logo
07:30 - 15:00
SNN
-
ORD
13h 30m
1 stop
€395American Airlines
Tue, 7 Apr - Fri, 17 Apr
American Airlines Logo
18:00 - 20:35
ORD
-
SNN
20h 35m
1 stop
American Airlines Logo
21:15 - 12:30
SNN
-
ORD
21h 15m
1 stop
€396American Airlines
Mon, 27 Apr - Wed, 6 May
United Airlines Logo
15:35 - 10:15
ORD
-
SNN
12h 40m
1 stop
United Airlines Logo
12:30 - 20:17
SNN
-
ORD
13h 47m
1 stop
€411United Airlines
Tue, 7 Apr - Wed, 15 Apr
United Airlines Logo
13:00 - 10:15
ORD
-
SNN
15h 15m
2 stops
United Airlines Logo
12:30 - 19:22
SNN
-
ORD
12h 52m
2 stops
€414United Airlines
Tue, 21 Apr - Tue, 5 May
Lufthansa Logo
09:00 - 10:15
ORD
-
SNN
19h 15m
1 stop
Lufthansa Logo
12:30 - 18:25
SNN
-
ORD
11h 55m
1 stop
€428Lufthansa
Wed, 8 Apr - Fri, 17 Apr

Lufthansa flights from Chicago O'Hare Intl Airport to Ireland

Our best Lufthansa deals on Chicago O'Hare Intl Airport to Ireland flight tickets
Lufthansa
23 Feb
ORD21:50Chicago O'Hare Intl
13h 20m
1 stop
DUB17:10Dublin
3 Mar
DUB05:00Dublin
14h 25m
1 stop
ORD13:25Chicago O'Hare Intl
€360
Lufthansa
23 Feb
ORD21:50Chicago O'Hare Intl
13h 20m
1 stop
DUB17:10Dublin
2 Mar
DUB17:55Dublin
30h 30m
1 stop
ORD18:25Chicago O'Hare Intl
€373
Lufthansa
8 Apr
ORD09:00Chicago O'Hare Intl
19h 15m
1 stop
SNN10:15Shannon
17 Apr
SNN12:30Shannon
11h 55m
1 stop
ORD18:25Chicago O'Hare Intl
€428

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

Our best TAP AIR PORTUGAL deals on Chicago O'Hare Intl Airport to Ireland flight tickets
TAP AIR PORTUGAL
8 Apr
ORD18:00Chicago O'Hare Intl
24h 05m
1 stop
DUB00:05Dublin
19 Apr
DUB05:30Dublin
16h 30m
1 stop
ORD16:00Chicago O'Hare Intl
€369
TAP AIR PORTUGAL
25 Apr
ORD18:15Chicago O'Hare Intl
17h 50m
1 stop
DUB18:05Dublin
3 May
DUB05:30Dublin
16h 30m
1 stop
ORD16:00Chicago O'Hare Intl
€386
TAP AIR PORTUGAL
4 Feb
ORD19:10Chicago O'Hare Intl
22h 10m
1 stop
DUB23:20Dublin
7 Feb
DUB04:15Dublin
16h 30m
1 stop
ORD14:45Chicago O'Hare Intl
€402

momondo Fare Finder

 
Customise your flight search to find flights from Chicago O'Hare Intl Airport to Ireland 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 January 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 18/2

19:20-18:20

1 stop17h 00m

Dublin

Sun 22/2

19:05-16:45

1 stop27h 40m

€355

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 25/4

19:15-18:20

1 stop17h 05m

Dublin

Thu 7/5

11:10-16:10

2 stops35h 00m

€355

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 25/2

18:30-10:15

1 stop9h 45m

Dublin

Wed 4/3

11:30-17:20

1 stop11h 50m

€360

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 23/2

21:50-17:10

1 stop13h 20m

Dublin

Tue 3/3

05:00-13:25

1 stop14h 25m

€360

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 16/4

19:25-11:05

1 stop9h 40m

Dublin

Sun 19/4

12:15-18:15

1 stop12h 00m

€361

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 7/4

20:35-20:35

1 stop18h 00m

Shannon

Fri 17/4

07:30-15:00

1 stop13h 30m

€395

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Mon 27/4

18:00-20:35

1 stop20h 35m

Shannon

Wed 6/5

21:15-12:30

1 stop21h 15m

€396

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 7/4

15:35-10:15

1 stop12h 40m

Shannon

Wed 15/4

12:30-20:17

1 stop13h 47m

€411

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Tue 21/4

13:00-10:15

2 stops15h 15m

Shannon

Tue 5/5

12:30-19:22

2 stops12h 52m

€414

ChicagoShannon

ORD - SNN

ORDSNN

Chicago O'Hare Intl

Wed 8/4

09:00-10:15

1 stop19h 15m

Shannon

Fri 17/4

12:30-18:25

1 stop11h 55m

€428

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Ireland from

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

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 Ireland?

The month of February is another great option to travel to Ireland, with average flight prices from Chicago O'Hare Intl Airport averaging around €436.

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

The cheapest day to depart on your flight to Ireland is on a Thursday when prices can be found for as low as €535. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €727. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

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

In the evening is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Ireland when you can find flight prices for as low as €612. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the afternoon when prices are around €634.

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

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

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

You are more likely to see cheaper flights to Ireland from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €573 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Chicago O'Hare Intl Airport for as low as €538 on momondo.

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

There is only 1 cabin class available to choose from on Chicago O'Hare Intl to Ireland 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 Ireland flights?

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

Cheap Chicago O'Hare Intl Airport to Ireland flight deals and tips

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

Best price found

€355

Fastest flight time

7h 15m

Direct flights

Every day

Airports in Ireland

77 airports
The best flight deal from Chicago O'Hare Intl Airport to Ireland found on momondo in the last 72 hours is €355
The fastest flight from Chicago O'Hare Intl Airport to Ireland takes 7h 15m
Direct flights go from Chicago O'Hare Intl Airport to Ireland every day.
There are 77 airports in Ireland. From Chicago O'Hare Intl Airport there are direct flights to Dublin (DUB), Shannon (SNN).
Search flight deals

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

    Prices for flights from Chicago O'Hare Intl Airport to Ireland refresh daily.

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

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

    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 stopovers 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 Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The necessary travel and health documents for your Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Ireland with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom €296Free CancellationRating
7.2
1,442 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €439Free CancellationRating
7.4
9,213 reviews
Search United Airlines flights

Why use momondo?

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

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 Ireland from Chicago.

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

Yes. All flights to Ireland from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Chicago to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Chicago to Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ireland and let you know when they change.

An easier way to manage your Ireland 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 27/2
Fri 6/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €38
Flights to Corkfrom €91
Flights to Shannon, Clarefrom €83
Flights to Donegalfrom €115
Flights to Milltown (Kerry)from €38