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Cheap flights from Chicago O'Hare Intl Airport to Dublin from $211

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 10/24. 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 Dublin

Cheap round-trip flights

Logo
7:35 pm - 8:10 amORD-DUB
7h 35mnonstop
Logo
11:45 am - 8:05 pmDUB-ORD
14h 20m1 stop
$486
Find Deal
Mon, Oct 27 - Wed, Nov 5
Scandinavian Airlines Logo
7:20 pm - 6:20 pmORD-DUB
17h 00m1 stop
Scandinavian Airlines Logo
12:30 pm - 4:45 pmDUB-ORD
34h 15m1 stop
$487Scandinavian Airlines
Find Deal
Thu, Nov 13 - Fri, Nov 21
Logo
9:55 am - 8:15 amORD-DUB
16h 20m1 stop
Logo
1:20 pm - 5:20 pmDUB-ORD
33h 00m1 stop
$488
Find Deal
Wed, Oct 22 - Mon, Oct 27
United Airlines Logo
6:28 pm - 7:10 amORD-DUB
30h 42m1 stop
United Airlines Logo
10:40 am - 1:30 pmDUB-ORD
8h 50mnonstop
$490United Airlines
Find Deal
Sat, Nov 8 - Fri, Nov 21
United Airlines Logo
8:20 pm - 9:45 amORD-DUB
7h 25mnonstop
United Airlines Logo
9:50 am - 7:24 pmDUB-ORD
15h 34m1 stop
$492United Airlines
Find Deal
Tue, Oct 7 - Wed, Oct 15
Air Canada Logo
6:00 am - 8:15 amORD-DUB
20h 15m2 stops
Air Canada Logo
9:50 am - 3:04 pmDUB-ORD
11h 14m1 stop
$499Air Canada
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Sun, Oct 12 - Tue, Oct 21
Aer Lingus Logo
3:45 pm - 5:10 amORD-DUB
7h 25mnonstop
Aer Lingus Logo
11:35 am - 2:00 pmDUB-ORD
8h 25mnonstop
$505Aer Lingus
Find Deal
Wed, Oct 8 - Wed, Oct 15
Air Canada Logo
10:40 am - 8:15 amORD-DUB
15h 35m2 stops
Air Canada Logo
8:00 am - 6:55 pmDUB-ORD
15h 55m2 stops
$509Air Canada
Find Deal
Wed, Oct 22 - Sat, Nov 1
Icelandair Logo
7:25 pm - 11:05 amORD-DUB
9h 40m1 stop
Icelandair Logo
12:15 pm - 6:15 pmDUB-ORD
12h 00m1 stop
$511Icelandair
Find Deal
Sat, Oct 18 - Wed, Oct 22
Aer Lingus Logo
9:15 pm - 10:40 amORD-DUB
7h 25mnonstop
Aer Lingus Logo
11:35 am - 2:00 pmDUB-ORD
8h 25mnonstop
$532Aer Lingus
Find Deal
Tue, Sep 30 - Wed, Oct 22

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
Nov 8
ORD6:28 pmChicago O'Hare Intl
30h 42m
1 stop
DUB7:10 amDublin
Nov 21
DUB10:40 amDublin
8h 50m
ORD1:30 pmChicago O'Hare Intl
$490
Find similar
United Airlines
Oct 7
ORD8:20 pmChicago O'Hare Intl
7h 25m
DUB9:45 amDublin
Oct 15
DUB9:50 amDublin
15h 34m
1 stop
ORD7:24 pmChicago O'Hare Intl
$492
Find similar
United Airlines
Nov 7
ORD6:35 pmChicago O'Hare Intl
7h 35m
DUB8:10 amDublin
Nov 14
DUB9:00 amDublin
12h 10m
1 stop
ORD3:10 pmChicago O'Hare Intl
$493
Find similar

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
Nov 13
ORD7:20 pmChicago O'Hare Intl
17h 00m
1 stop
DUB6:20 pmDublin
Nov 21
DUB12:30 pmDublin
34h 15m
1 stop
ORD4:45 pmChicago O'Hare Intl
$487
Find similar
Scandinavian Airlines
Nov 7
ORD7:20 pmChicago O'Hare Intl
32h 05m
1 stop
DUB9:25 amDublin
Nov 14
DUB6:55 pmDublin
27h 50m
2 stops
ORD4:45 pmChicago O'Hare Intl
$489
Find similar
Scandinavian Airlines
Nov 19
ORD7:20 pmChicago O'Hare Intl
34h 25m
1 stop
DUB11:45 amDublin
Nov 22
DUB10:10 amDublin
12h 35m
1 stop
ORD4:45 pmChicago O'Hare Intl
$494
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated September 15, 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

Mon 10/27

7:35 pm-8:10 am

Nonstop7h 35m

Dublin

Wed 11/5

11:45 am-8:05 pm

1 stop14h 20m

$486

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 11/13

7:20 pm-6:20 pm

1 stop17h 00m

Dublin

Fri 11/21

12:30 pm-4:45 pm

1 stop34h 15m

$487

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 10/22

9:55 am-8:15 am

1 stop16h 20m

Dublin

Mon 10/27

1:20 pm-5:20 pm

1 stop33h 00m

$488

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 11/8

6:28 pm-7:10 am

1 stop30h 42m

Dublin

Fri 11/21

10:40 am-1:30 pm

Nonstop8h 50m

$490

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 10/7

8:20 pm-9:45 am

Nonstop7h 25m

Dublin

Wed 10/15

9:50 am-7:24 pm

1 stop15h 34m

$492

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 10/12

6:00 am-8:15 am

2 stops20h 15m

Dublin

Tue 10/21

9:50 am-3:04 pm

1 stop11h 14m

$499

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 10/8

3:45 pm-5:10 am

Nonstop7h 25m

Dublin

Wed 10/15

11:35 am-2:00 pm

Nonstop8h 25m

$505

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 10/22

10:40 am-8:15 am

2 stops15h 35m

Dublin

Sat 11/1

8:00 am-6:55 pm

2 stops15h 55m

$509

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 10/18

7:25 pm-11:05 am

1 stop9h 40m

Dublin

Wed 10/22

12:15 pm-6:15 pm

1 stop12h 00m

$511

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 9/30

9:15 pm-10:40 am

Nonstop7h 25m

Dublin

Wed 10/22

11:35 am-2:00 pm

Nonstop8h 25m

$532

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 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?

In general, January is the cheapest month to fly from Chicago O'Hare Intl Airport to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $525. If you’re not able to fly to Dublin in January, then February is your next best option. Flight prices from Chicago O'Hare Intl Airport to Dublin during February average around $560.

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

The cheapest day to depart from Chicago O'Hare Intl Airport to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $753. Flights from Chicago O'Hare Intl Airport to Dublin on a Friday will generally be more expensive and average around $828. 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 Dublin?

At noon is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Dublin when you can find flight prices for as low as $735. Flying to Dublin at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $796.

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 $701 when searching weeks out. 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 $651 on momondo.

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

There are 3 cabin classes 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.

How have Chicago O'Hare Intl Airport to Dublin flight prices changed over time?

As of September 2025, prices for Chicago O'Hare Intl Airport to Dublin flights are approximately 22% 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 round-trip 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

Best Price Found

$504

Fastest flight time

7h 20m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from Chicago O'Hare Intl Airport in the past 72 hours is $504. The best round-trip flight deal from Chicago O'Hare Intl Airport to Dublin found on momondo in the last 72 hours is $594.
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)
Search flight deals

  • How far is Chicago O'Hare Intl to Dublin by plane?

    There are 3663.0 mi between Chicago O'Hare Intl and Dublin. By plane, this route typically takes 7h 25m.

  • 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 were last updated today.

  • 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 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 Chicago O'Hare Intl Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The required travel and health documents for your Dublin 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 Dublin 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 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
JetBluePriceFrom $51Free CancellationRating
7.2
2,912 reviews
Search JetBlue flights
IcelandairPriceFrom $355Free CancellationRating
7.0
544 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $393Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesPriceFrom $400Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
SWISSPriceFrom $473Free CancellationRating
7.5
1,730 reviews
Search SWISS flights
Aer LingusPriceFrom $478Free CancellationRating
7.2
1,270 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $498Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
IberiaPriceFrom $523Free CancellationRating
7.0
2,924 reviews
Search Iberia flights
Turkish AirlinesPriceFrom $528Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $535Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

  • Finnair Flights From Chicago O'Hare Intl Airport to Dublin

    Finnair flight deals from Chicago O'Hare Intl Airport to Dublin start from $620 round-trip. Over the 7 Finnair flights for this route in a normal week, average airfare is usually $883 round-trip - but some users have found much cheaper deals with momondo.

  • SWISS Flights From Chicago O'Hare Intl Airport to Dublin

    SWISS (7.5/10 from 1,730 reviews) operates around 7 flights from Chicago O'Hare Intl Airport to Dublin in any given week. The average SWISS airfare for this route is around $818, with deals from around $473 rare but found on momondo. Referenced prices are for round-trip Chicago O'Hare Intl Airport to Dublin flight searches in the last 72 hours.

Traveling to a place near Dublin?

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

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?

All flight searches from Chicago to Dublin on momondo can be filtered to show those which offer flexible booking policies.

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?

Yes. momondo can track prices for Chicago to Dublin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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