Cheap flights from Chicago 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 to Dublin departing on 10/23. 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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Cheap round-trip flights

Delta Logo
7:30 am - 7:50 amORD-DUB
19h 20m2 stops
Delta Logo
10:45 am - 9:35 pmDUB-ORD
15h 50m1 stop
$482Delta
Find Deal
Tue, Mar 10 - Thu, Mar 19
Lufthansa Logo
9:50 pm - 5:10 pmORD-DUB
13h 20m1 stop
Lufthansa Logo
10:40 am - 1:30 pmDUB-ORD
8h 50mnonstop
$484Lufthansa
Find Deal
Wed, Nov 5 - Thu, Nov 13
United Airlines Logo
8:20 pm - 9:45 amORD-DUB
7h 25mnonstop
United Airlines Logo
9:20 am - 8:04 pmDUB-ORD
16h 44m1 stop
$485United Airlines
Find Deal
Tue, Oct 7 - Wed, Oct 15
Air Canada Logo
8:51 am - 7:45 amORD-DUB
16h 54m1 stop
Air Canada Logo
9:20 am - 3:00 pmDUB-ORD
35h 40m1 stop
$486Air Canada
Find Deal
Tue, Oct 7 - Wed, Oct 15
Scandinavian Airlines Logo
7:20 pm - 11:45 amORD-DUB
34h 25m1 stop
Scandinavian Airlines Logo
11:15 am - 4:55 pmDUB-ORD
35h 40m2 stops
$488Scandinavian Airlines
Find Deal
Sun, Mar 1 - Thu, Mar 5
Scandinavian Airlines Logo
7:20 pm - 10:45 amORD-DUB
33h 25m2 stops
Scandinavian Airlines Logo
10:10 am - 4:45 pmDUB-ORD
12h 35m1 stop
$489Scandinavian Airlines
Find Deal
Mon, Nov 3 - Sun, Nov 16
Icelandair Logo
6:30 pm - 10:15 amORD-DUB
9h 45m1 stop
Icelandair Logo
11:30 am - 5:20 pmDUB-ORD
11h 50m1 stop
$491Icelandair
Find Deal
Sat, Dec 13 - Thu, Jan 8
United Airlines Logo
8:20 pm - 9:45 amORD-DUB
7h 25mnonstop
United Airlines Logo
9:50 am - 9:09 amDUB-ORD
29h 19m1 stop
$492United Airlines
Find Deal
Tue, Oct 7 - Tue, Oct 21
Aer Lingus Logo
3:45 pm - 5:10 amORD-DUB
7h 25mnonstop
Aer Lingus Logo
4:40 pm - 7:00 pmDUB-ORD
8h 20mnonstop
$505Aer Lingus
Find Deal
Wed, Oct 8 - Wed, Oct 15
Aer Lingus Logo
3:45 pm - 5:10 amORD-DUB
7h 25mnonstop
Aer Lingus Logo
11:35 am - 2:00 pmDUB-ORD
8h 25mnonstop
$532Aer Lingus
Find Deal
Tue, Sep 30 - Tue, Oct 14

Delta flights from Chicago to Dublin

Our best Delta deals on Chicago to Dublin flight tickets
Delta
Mar 10
ORD7:30 amChicago O'Hare Intl
19h 20m
2 stops
DUB7:50 amDublin
Mar 19
DUB10:45 amDublin
15h 50m
1 stop
ORD9:35 pmChicago O'Hare Intl
Delta
Mar 9
MDW10:35 amChicago Midway
17h 10m
2 stops
DUB8:45 amDublin
Mar 18
DUB6:00 amDublin
17h 34m
2 stops
MDW6:34 pmChicago Midway
Delta
Mar 11
MDW1:05 pmChicago Midway
14h 00m
2 stops
DUB8:05 amDublin
Mar 17
DUB9:45 amDublin
17h 01m
1 stop
MDW9:46 pmChicago Midway

Lufthansa flights from Chicago to Dublin

Our best Lufthansa deals on Chicago to Dublin flight tickets
Lufthansa
Nov 5
ORD9:50 pmChicago O'Hare Intl
13h 20m
1 stop
DUB5:10 pmDublin
Nov 13
DUB10:40 amDublin
8h 50m
ORD1:30 pmChicago O'Hare Intl
Lufthansa
Sep 23
ORD4:00 pmChicago O'Hare Intl
13h 25m
1 stop
DUB11:25 amDublin
Oct 14
DUB9:00 amDublin
16h 55m
1 stop
ORD7:55 pmChicago O'Hare Intl
Lufthansa
Sep 23
ORD10:30 pmChicago O'Hare Intl
12h 25m
1 stop
DUB4:55 pmDublin
Oct 7
DUB11:35 amDublin
8h 00m
ORD1:35 pmChicago O'Hare Intl

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 17, 2025.
Use the filters below to find and compare flights from Chicago to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 3/10

7:30 am-7:50 am

2 stops19h 20m

Dublin

Thu 3/19

10:45 am-9:35 pm

1 stop15h 50m

$482

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 11/5

9:50 pm-5:10 pm

1 stop13h 20m

Dublin

Thu 11/13

10:40 am-1:30 pm

Nonstop8h 50m

$484

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 10/7

8:20 pm-9:45 am

Nonstop7h 25m

Dublin

Wed 10/15

9:20 am-8:04 pm

1 stop16h 44m

$485

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 10/7

8:51 am-7:45 am

1 stop16h 54m

Dublin

Wed 10/15

9:20 am-3:00 pm

1 stop35h 40m

$486

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/1

7:20 pm-11:45 am

1 stop34h 25m

Dublin

Thu 3/5

11:15 am-4:55 pm

2 stops35h 40m

$488

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 11/3

7:20 pm-10:45 am

2 stops33h 25m

Dublin

Sun 11/16

10:10 am-4:45 pm

1 stop12h 35m

$489

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 12/13

6:30 pm-10:15 am

1 stop9h 45m

Dublin

Thu 1/8

11:30 am-5:20 pm

1 stop11h 50m

$491

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 10/7

8:20 pm-9:45 am

Nonstop7h 25m

Dublin

Tue 10/21

9:50 am-9:09 am

1 stop29h 19m

$492

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 10/8

3:45 pm-5:10 am

Nonstop7h 25m

Dublin

Wed 10/15

4:40 pm-7:00 pm

Nonstop8h 20m

$505

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 9/30

3:45 pm-5:10 am

Nonstop7h 25m

Dublin

Tue 10/14

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 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, February is the cheapest month to fly from Chicago to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $550. If you’re not able to fly to Dublin in February, then January is your next best option. Flight prices from Chicago to Dublin during January average around $560.

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

The cheapest day to depart from Chicago to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $752. Flights from Chicago to Dublin 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 Dublin?

At noon is the cheapest time of day to fly from Chicago 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 to Dublin flight route?

Fly from Chicago O'Hare Intl to Dublin for the best Chicago - 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 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 for as low as $651 on momondo.

What cabin class options are available on Chicago to Dublin flights?

There are 3 cabin classes available to choose from on Chicago 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 to Dublin flight prices changed over time?

As of September 2025, prices for Chicago to Dublin flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Dublin (CHI to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago 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 in the past 72 hours is $504. The best round-trip flight deal from Chicago to Dublin found on momondo in the last 72 hours is $594.
The fastest flight from Chicago to Dublin takes 7h 20m
Direct flights go from Chicago to Dublin every day.
There is 1 airport near Dublin: Dublin (DUB)
  • How far is Chicago to Dublin by plane?

    There are 3657.3 mi between Chicago and Dublin. A reasonable flight in good conditions will take 7h 25m.

  • When did momondo last update prices for flights from Chicago to Dublin Airport?

    Prices for flights from Chicago to Dublin Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to Dublin Airport?

  • How old do you have to be to fly from Chicago 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 to Dublin Airport.

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

    The travel and health documents you'll need for your trip to Dublin Airport 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 Dublin Airport. 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 to Dublin?

  • What is the most popular airline from Chicago to Dublin?

Best airlines flying from Chicago to Dublin

Compare and see reviews for airlines that fly from Chicago to Dublin with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $51Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
IcelandairPriceFrom $355Free CancellationRating
7.0
545 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $393Free CancellationRating
7.1
1,977 reviews
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesPriceFrom $400Free CancellationRating
7.4
1,486 reviews
Search Scandinavian Airlines flights
SWISSPriceFrom $473Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
Aer LingusPriceFrom $478Free CancellationRating
7.2
1,277 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $498Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
IberiaPriceFrom $523Free CancellationRating
7.0
2,925 reviews
Search Iberia flights
Turkish AirlinesPriceFrom $528Free CancellationRating
7.3
3,965 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $535Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
  • SWISS Flights From Chicago to Dublin

    The lowest priced SWISS flight from Chicago to Dublin from the last 72 hours was $473. Generally, SWISS has 7 flights on this route every week with an average price of $818. SWISS is rated 7.6/10 by our users.

  • Finnair Flights From Chicago to Dublin

    $620 is the best Finnair flight deal from Chicago to Dublin found on momondo over the last 72 hours. The average Finnair ticket price found was closer to $883, however, with flight time and availability significantly affecting the price. Finnair (7.6/10 from 1,324 user reviews) flies into Dublin from Chicago 7 times in an average week so prices can vary.

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?

It is quick and easy to find Chicago to Dublin flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Dublin that suits you.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Dublin from Chicago.

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

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

An easier way to manage your Dublin 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.

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1 adult
Fri 10/17
Fri 10/24

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