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Cheap flights from Ireland to Chicago from $280

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Chicago departing on 11/11. 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 Ireland to Chicago

Recent round-trip flight deals from Ireland to Chicago

Icelandair Logo
11:30 am - 5:20 pmDUB-ORD
11h 50m1 stop
Icelandair Logo
6:30 pm - 10:15 amORD-DUB
9h 45m1 stop
$372Icelandair
Find Deal
lun., nov. 10 - dom., nov. 23
Scandinavian Airlines Logo
7:05 pm - 4:45 pmDUB-ORD
27h 40m1 stop
Scandinavian Airlines Logo
7:20 pm - 6:20 pmORD-DUB
17h 00m1 stop
$373Scandinavian Airlines
Find Deal
mié., nov. 26 - lun., dic. 1
KLM Logo
8:55 am - 2:40 pmDUB-ORD
11h 45m1 stop
KLM Logo
2:00 pm - 10:00 amORD-DUB
14h 00m1 stop
$418KLM
Find Deal
lun., sep. 1 - dom., sep. 7
United Airlines Logo
9:30 am - 11:45 amSNN-ORD
8h 15mnonstop
United Airlines Logo
6:00 pm - 7:30 amORD-SNN
7h 30mnonstop
$486United Airlines
Find Deal
dom., ago. 31 - sáb., sep. 6
United Airlines Logo
9:30 am - 11:45 amSNN-ORD
8h 15mnonstop
United Airlines Logo
6:00 pm - 7:30 amORD-SNN
7h 30mnonstop
$488United Airlines
Find Deal
vie., sep. 12 - vie., sep. 19
Logo
9:15 pm - 11:50 amSNN-ORD
20h 35m1 stop
Logo
10:35 pm - 8:35 pmORD-SNN
16h 00m1 stop
$556
Find Deal
lun., sep. 8 - lun., sep. 15
Logo
7:40 am - 2:50 pmSNN-ORD
13h 10m1 stop
Logo
10:35 pm - 4:10 pmORD-SNN
11h 35m1 stop
$587
Find Deal
vie., sep. 19 - dom., sep. 28
KLM Logo
6:00 am - 3:20 pmORK-ORD
14h 20m1 stop
KLM Logo
5:20 pm - 3:00 pmORD-ORK
15h 40m1 stop
$637KLM
Find Deal
lun., oct. 27 - dom., nov. 2
Aer Lingus Logo
7:20 am - 1:50 pmORK-ORD
12h 30m1 stop
Aer Lingus Logo
9:15 pm - 7:50 pmORD-ORK
16h 35m1 stop
$934Aer Lingus
Find Deal
lun., sep. 22 - lun., sep. 22
Aer Lingus Logo
6:00 am - 7:00 pmORK-ORD
19h 00m2 stops
Aer Lingus Logo
9:15 pm - 10:55 pmORD-ORK
19h 40m2 stops
$1,415Aer Lingus
Find Deal
lun., sep. 22 - lun., sep. 22

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

Our best United Airlines deals on Ireland to Chicago O'Hare Intl Airport flight tickets
United Airlines
Aug 31
SNN9:30 amShannon
8h 15m
ORD11:45 amChicago O'Hare Intl
Sep 6
ORD6:00 pmChicago O'Hare Intl
7h 30m
SNN7:30 amShannon
$486
Find similar
United Airlines
Sep 12
SNN9:30 amShannon
8h 15m
ORD11:45 amChicago O'Hare Intl
Sep 19
ORD6:00 pmChicago O'Hare Intl
7h 30m
SNN7:30 amShannon
$488
Find similar
United Airlines
Sep 12
SNN12:30 pmShannon
27h 43m
2 stops
ORD10:13 amChicago O'Hare Intl
Sep 19
ORD6:00 pmChicago O'Hare Intl
7h 30m
SNN7:30 amShannon
$491
Find similar

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

Our best Scandinavian Airlines deals on Ireland to Chicago O'Hare Intl Airport flight tickets
Scandinavian Airlines
Nov 26
DUB7:05 pmDublin
27h 40m
1 stop
ORD4:45 pmChicago O'Hare Intl
Dec 1
ORD7:20 pmChicago O'Hare Intl
17h 00m
1 stop
DUB6:20 pmDublin
$373
Find similar
Scandinavian Airlines
Nov 26
DUB7:05 pmDublin
27h 40m
1 stop
ORD4:45 pmChicago O'Hare Intl
Nov 30
ORD7:20 pmChicago O'Hare Intl
33h 25m
2 stops
DUB10:45 amDublin
$384
Find similar
Scandinavian Airlines
Nov 26
DUB11:30 amDublin
35h 15m
2 stops
ORD4:45 pmChicago O'Hare Intl
Dec 1
ORD7:20 pmChicago O'Hare Intl
34h 25m
1 stop
DUB11:45 amDublin
$385
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ireland to Chicago O'Hare Intl Airport 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 julio 31, 2025.
Use the filters below to find and compare flights from Ireland to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

lun. 11/10

11:30 am-5:20 pm

1 stop11h 50m

Chicago O'Hare Intl

dom. 11/23

6:30 pm-10:15 am

1 stop9h 45m

$372

DublinChicago

DUB - ORD

DUBORD

Dublin

mié. 11/26

7:05 pm-4:45 pm

1 stop27h 40m

Chicago O'Hare Intl

lun. 12/1

7:20 pm-6:20 pm

1 stop17h 00m

$373

DublinChicago

DUB - ORD

DUBORD

Dublin

lun. 9/1

8:55 am-2:40 pm

1 stop11h 45m

Chicago O'Hare Intl

dom. 9/7

2:00 pm-10:00 am

1 stop14h 00m

$418

ShannonChicago

SNN - ORD

SNNORD

Shannon

dom. 8/31

9:30 am-11:45 am

Nonstop8h 15m

Chicago O'Hare Intl

sáb. 9/6

6:00 pm-7:30 am

Nonstop7h 30m

$486

ShannonChicago

SNN - ORD

SNNORD

Shannon

vie. 9/12

9:30 am-11:45 am

Nonstop8h 15m

Chicago O'Hare Intl

vie. 9/19

6:00 pm-7:30 am

Nonstop7h 30m

$488

ShannonChicago

SNN - ORD

SNNORD

Shannon

lun. 9/8

9:15 pm-11:50 am

1 stop20h 35m

Chicago O'Hare Intl

lun. 9/15

10:35 pm-8:35 pm

1 stop16h 00m

$556

ShannonChicago

SNN - ORD

SNNORD

Shannon

vie. 9/19

7:40 am-2:50 pm

1 stop13h 10m

Chicago O'Hare Intl

dom. 9/28

10:35 pm-4:10 pm

1 stop11h 35m

$587

CorkChicago

ORK - ORD

ORKORD

Cork

lun. 10/27

6:00 am-3:20 pm

1 stop14h 20m

Chicago O'Hare Intl

dom. 11/2

5:20 pm-3:00 pm

1 stop15h 40m

$637

CorkChicago

ORK - ORD

ORKORD

Cork

lun. 9/22

7:20 am-1:50 pm

1 stop12h 30m

Chicago O'Hare Intl

lun. 9/22

9:15 pm-7:50 pm

1 stop16h 35m

$934

CorkChicago

ORK - ORD

ORKORD

Cork

lun. 9/22

6:00 am-7:00 pm

2 stops19h 00m

Chicago O'Hare Intl

lun. 9/22

9:15 pm-10:55 pm

2 stops19h 40m

$1,415

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Ireland to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of November is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Ireland averaging around $517.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $656. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $832.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Ireland in the morning is the least expensive time of day to depart. momondo users have found prices as low as $743 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $817. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $599 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Ireland for as low as $523 on momondo.

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

There are 3 cabin classes available to choose from on Ireland to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

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

Best Price Found

$280

Fastest flight time

8h 15m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Ireland in the past 72 hours is $280. The best round-trip flight deal from Ireland to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $372.
The fastest flight from Ireland to Chicago O'Hare Intl Airport takes 8h 15m
Direct flights go from Ireland to Chicago O'Hare Intl Airport every day.
Search flight deals

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

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

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

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

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl 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 Chicago O'Hare Intl 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 Ireland to Chicago O'Hare Intl Airport?

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

Compare and see reviews for airlines that fly from Ireland to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $447Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $667Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights

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Lake Geneva
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Elgin
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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ireland to Chicago for you.

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

momondo does allow users to show only those flights to Chicago from Ireland which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Ireland and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

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