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Cheap flights from Chicago O'Hare Intl Airport to Ireland from $203

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 10/8. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Ireland

Cheap round-trip flights

KLM Logo
5:20 pm - 3:00 pmORD-ORK
15h 40m1 stop
KLM Logo
5:15 pm - 2:20 pmORK-ORD
27h 05m1 stop
$480KLM
Find Deal
Sun, Nov 16 - Tue, Dec 2
Delta Logo
5:20 pm - 3:00 pmORD-ORK
15h 40m1 stop
Delta Logo
1:25 pm - 2:20 pmORK-ORD
30h 55m1 stop
$482Delta
Find Deal
Sun, Jan 11 - Tue, Jan 20
American Airlines Logo
5:40 pm - 3:25 pmORD-ORK
15h 45m2 stops
American Airlines Logo
11:55 am - 6:45 pmORK-ORD
12h 50m1 stop
$491American Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
American Airlines Logo
4:33 pm - 3:25 pmORD-ORK
16h 52m2 stops
American Airlines Logo
7:40 am - 7:20 pmORK-ORD
17h 40m2 stops
$497American Airlines
Find Deal
Sun, Jan 11 - Tue, Jan 20
United Airlines Logo
6:00 am - 10:20 amORD-DUB
23h 20m1 stop
United Airlines Logo
9:00 am - 9:13 amDUB-ORD
30h 13m1 stop
$506United Airlines
Find Deal
Mon, Oct 27 - Sun, Nov 9
United Airlines Logo
6:05 pm - 7:10 amORD-DUB
31h 05m2 stops
United Airlines Logo
9:00 am - 2:25 pmDUB-ORD
35h 25m2 stops
$507United Airlines
Find Deal
Mon, Nov 3 - Sun, Nov 16
Aer Lingus Logo
7:40 pm - 9:00 amORD-DUB
7h 20mnonstop
Aer Lingus Logo
3:20 pm - 5:55 pmDUB-ORD
8h 35mnonstop
$509Aer Lingus
Find Deal
Fri, Nov 7 - Fri, Nov 14
Aer Lingus Logo
7:40 pm - 9:00 amORD-DUB
7h 20mnonstop
Aer Lingus Logo
3:20 pm - 5:55 pmDUB-ORD
8h 35mnonstop
$526Aer Lingus
Find Deal
Sun, Nov 23 - Tue, Dec 2
Icelandair Logo
6:30 pm - 10:15 amORD-DUB
9h 45m1 stop
Icelandair Logo
11:30 am - 5:20 pmDUB-ORD
11h 50m1 stop
$533Icelandair
Find Deal
Fri, Jan 2 - Mon, Jan 12
Icelandair Logo
6:30 pm - 10:15 amORD-DUB
9h 45m1 stop
Icelandair Logo
11:30 am - 5:20 pmDUB-ORD
11h 50m1 stop
$548Icelandair
Find Deal
Sat, Jan 3 - Fri, Jan 9

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

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to Ireland flight tickets
Scandinavian Airlines
Nov 24
ORD7:20 pmChicago O'Hare Intl
34h 25m
1 stop
DUB11:45 amDublin
Dec 1
DUB8:20 pmDublin
50h 25m
2 stops
ORD4:45 pmChicago O'Hare Intl
$503
Find similar
Scandinavian Airlines
Mar 19
ORD8:20 pmChicago O'Hare Intl
16h 50m
2 stops
DUB6:10 pmDublin
Mar 28
DUB7:00 pmDublin
50h 10m
2 stops
ORD4:10 pmChicago O'Hare Intl
$505
Find similar
Scandinavian Airlines
Nov 10
ORD7:20 pmChicago O'Hare Intl
17h 00m
1 stop
DUB6:20 pmDublin
Nov 17
DUB12:30 pmDublin
58h 15m
2 stops
ORD4:45 pmChicago O'Hare Intl
$510
Find similar

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
Oct 24
ORD6:00 pmChicago O'Hare Intl
24h 05m
1 stop
DUB12:05 amDublin
Nov 2
DUB4:15 amDublin
16h 30m
1 stop
ORD3:45 pmChicago O'Hare Intl
$508
Find similar
TAP AIR PORTUGAL
Mar 13
ORD9:15 pmChicago O'Hare Intl
21h 05m
1 stop
DUB11:20 pmDublin
Mar 21
DUB4:55 pmDublin
27h 50m
1 stop
ORD3:45 pmChicago O'Hare Intl
$531
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated September 22, 2025.
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

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Sun 11/16

5:20 pm-3:00 pm

1 stop15h 40m

Cork

Tue 12/2

5:15 pm-2:20 pm

1 stop27h 05m

$480

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Sun 1/11

5:20 pm-3:00 pm

1 stop15h 40m

Cork

Tue 1/20

1:25 pm-2:20 pm

1 stop30h 55m

$482

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Wed 11/5

5:40 pm-3:25 pm

2 stops15h 45m

Cork

Wed 11/12

11:55 am-6:45 pm

1 stop12h 50m

$491

ChicagoCork

ORD - ORK

ORDORK

Chicago O'Hare Intl

Sun 1/11

4:33 pm-3:25 pm

2 stops16h 52m

Cork

Tue 1/20

7:40 am-7:20 pm

2 stops17h 40m

$497

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 10/27

6:00 am-10:20 am

1 stop23h 20m

Dublin

Sun 11/9

9:00 am-9:13 am

1 stop30h 13m

$506

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 11/3

6:05 pm-7:10 am

2 stops31h 05m

Dublin

Sun 11/16

9:00 am-2:25 pm

2 stops35h 25m

$507

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 11/7

7:40 pm-9:00 am

Nonstop7h 20m

Dublin

Fri 11/14

3:20 pm-5:55 pm

Nonstop8h 35m

$509

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 11/23

7:40 pm-9:00 am

Nonstop7h 20m

Dublin

Tue 12/2

3:20 pm-5:55 pm

Nonstop8h 35m

$526

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 1/2

6:30 pm-10:15 am

1 stop9h 45m

Dublin

Mon 1/12

11:30 am-5:20 pm

1 stop11h 50m

$533

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 1/3

6:30 pm-10:15 am

1 stop9h 45m

Dublin

Fri 1/9

11:30 am-5:20 pm

1 stop11h 50m

$548

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

In general, January is the cheapest month to fly from Chicago O'Hare Intl Airport to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $527. If you aren’t able to travel to Ireland during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $556.

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 Tuesday when prices can be found for as low as $752. This is often the case because there is less demand to fly during this day of the week. Flights from Chicago O'Hare Intl Airport to Ireland 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 Ireland?

According to our data, the cheapest time of day to fly to Ireland is in the morning. momondo users have found flights departing from Chicago O'Hare Intl Airport to Ireland in the morning for as low as $714. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the afternoon when prices are around $796.

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 $702 when searching weeks out. 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 $653 on momondo.

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

There are 3 cabin classes 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?

You could potentially save up to 21% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Ireland flight.

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

$487

Fastest flight time

7h 20m

Direct flights

Every day

Airports in Ireland

1 airport
The best one-way flight to Ireland from Chicago O'Hare Intl Airport in the past 72 hours is $487. The best round-trip flight deal from Chicago O'Hare Intl Airport to Ireland found on momondo in the last 72 hours is $583.
The fastest flight from Chicago O'Hare Intl Airport to Ireland takes 7h 20m
Direct flights go from Chicago O'Hare Intl Airport to Ireland every day.
There is 1 airport near Ireland: Dublin (DUB)
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 are updated 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek 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
JetBluePriceFrom $51Free CancellationRating
7.2
2,911 reviews
Search JetBlue flights
IcelandairPriceFrom $355Free CancellationRating
7.0
545 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $393Free CancellationRating
7.1
1,987 reviews
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesPriceFrom $400Free CancellationRating
7.4
1,492 reviews
Search Scandinavian Airlines flights
SWISSPriceFrom $473Free CancellationRating
7.6
1,742 reviews
Search SWISS flights
Aer LingusPriceFrom $482Free CancellationRating
7.2
1,296 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $498Free CancellationRating
6.7
7,386 reviews
Search British Airways flights
IberiaPriceFrom $523Free CancellationRating
7.0
2,938 reviews
Search Iberia flights
Turkish AirlinesPriceFrom $528Free CancellationRating
7.3
3,975 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $530Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Ireland. Millions of users trust and use momondo every year so you are in good hands.

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?

momondo provides multiple filters to help you find the best flight to Ireland 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 Ireland right now. Can momondo alert me if prices change?

Price alerts on flights to Ireland 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.

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Find better results for your trip to Ireland

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Popular flights according to clicks in the last 7 days on momondo
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