Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Ireland to Chicago O'Hare Intl Airport from $312

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 O'Hare Intl Airport departing on 6/5. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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.

Find the cheapest flights from Ireland to Chicago

Recent round-trip flight deals from Ireland to Chicago

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ireland to Chicago.
Scandinavian Airlines Logo
12:20 pm - 4:10 pmDUB-ORD
33h 50m2 stops
Scandinavian Airlines Logo
7:15 pm - 6:15 pmORD-DUB
17h 00m1 stop
$400Scandinavian Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22
Scandinavian Airlines Logo
7:05 pm - 4:10 pmDUB-ORD
27h 05m1 stop
Scandinavian Airlines Logo
7:15 pm - 6:15 pmORD-DUB
17h 00m1 stop
$401Scandinavian Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22
Icelandair Logo
12:15 pm - 6:15 pmDUB-ORD
12h 00m1 stop
Icelandair Logo
10:15 pm - 11:05 amORD-DUB
30h 50m1 stop
$435Icelandair
Find Deal
Wed, Sep 3 - Wed, Sep 17
Icelandair Logo
12:15 pm - 6:15 pmDUB-ORD
12h 00m1 stop
Icelandair Logo
7:25 pm - 11:05 amORD-DUB
9h 40m1 stop
$442Icelandair
Find Deal
Wed, Aug 27 - Sat, Sep 6
United Airlines Logo
9:20 am - 2:43 pmDUB-ORD
35h 23m1 stop
United Airlines Logo
1:55 pm - 11:10 amORD-DUB
15h 15m2 stops
$516United Airlines
Find Deal
Fri, May 23 - Sun, May 25
United Airlines Logo
9:20 am - 9:51 amDUB-ORD
30h 31m1 stop
United Airlines Logo
2:39 pm - 10:20 amORD-DUB
13h 41m1 stop
$518United Airlines
Find Deal
Sat, Sep 13 - Tue, Sep 30
Aer Lingus Logo
11:35 am - 2:00 pmDUB-ORD
8h 25mnonstop
Aer Lingus Logo
9:15 pm - 10:40 amORD-DUB
7h 25mnonstop
$521Aer Lingus
Find Deal
Tue, Sep 23 - Sun, Sep 28
British Airways Logo
10:55 am - 5:00 pmDUB-ORD
12h 05m1 stop
British Airways Logo
10:35 pm - 5:45 pmORD-DUB
13h 10m1 stop
$558British Airways
Find Deal
Sat, Sep 13 - Thu, Oct 2
Aer Lingus Logo
4:40 pm - 7:00 pmDUB-ORD
8h 20mnonstop
Aer Lingus Logo
3:45 pm - 5:10 amORD-DUB
7h 25mnonstop
$577Aer Lingus
Find Deal
Sat, Sep 20 - Sat, Oct 4
British Airways Logo
1:45 pm - 3:45 pmDUB-ORD
8h 00mnonstop
British Airways Logo
7:01 am - 6:30 amORD-DUB
17h 29m1 stop
$654British Airways
Find Deal
Tue, Jun 10 - Sun, Jun 15

Lufthansa flights from Ireland to Chicago O'Hare Intl Airport

Our best Lufthansa deals on Ireland to Chicago O'Hare Intl Airport flight tickets
Lufthansa
Aug 29
ORK5:00 pmCork
25h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
Aug 31
ORD10:30 pmChicago O'Hare Intl
11h 55m
1 stop
ORK4:25 pmCork
Lufthansa
May 8
DUB11:35 amDublin
8h 00m
ORD1:35 pmChicago O'Hare Intl
May 11
ORD5:50 pmChicago O'Hare Intl
17h 05m
1 stop
DUB4:55 pmDublin
Lufthansa
Apr 29
DUB11:35 amDublin
8h 00m
ORD1:35 pmChicago O'Hare Intl
May 5
ORD9:40 pmChicago O'Hare Intl
13h 15m
1 stop
DUB4:55 pmDublin

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
May 23
DUB9:20 amDublin
35h 23m
1 stop
ORD2:43 pmChicago O'Hare Intl
May 25
ORD1:55 pmChicago O'Hare Intl
15h 15m
2 stops
DUB11:10 amDublin
United Airlines
May 7
DUB9:20 amDublin
26h 26m
1 stop
ORD5:46 amChicago O'Hare Intl
May 12
ORD8:15 pmChicago O'Hare Intl
7h 30m
DUB9:45 amDublin
United Airlines
Sep 16
DUB9:20 amDublin
16h 51m
1 stop
ORD8:11 pmChicago O'Hare Intl
Sep 29
ORD8:20 pmChicago O'Hare Intl
7h 25m
DUB9:45 amDublin

See travel insights to Chicago from

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 $512.

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 Friday when prices can be found for as low as $682. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday 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 $833.

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 $730 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 19 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $596 when searching 19 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 $497 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

$312

Fastest flight time

8h 00m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Ireland in the past 72 hours is $312. The best round-trip flight deal from Ireland to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $400.
The fastest flight from Ireland to Chicago O'Hare Intl Airport takes 8h 00m
Direct flights go from Ireland to Chicago O'Hare Intl Airport every day.

  • 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
British AirwaysPriceFrom $368Free CancellationRating
6.6
6,830 reviews
Search British Airways flights
Aer LingusPriceFrom $401Free CancellationRating
7.0
1,076 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $648Free CancellationRating
7.4
8,694 reviews
Search United Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Rockford
Schaumburg
Merrillville
Gurnee
Rosemont
Naperville
Kenosha
South Haven
Joliet
Oak Brook
Racine
New Buffalo
Elgin
Tinley Park
Hammond
Aurora
Orland Park
Waukegan
Janesville

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.


An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize 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.
1 adult
From?
To?
Sat 5/3
Sat 5/10

Find better results for your trip to Chicago