Cheap flights from Chicago to Dublin from $234

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 2/2. 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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KLM Logo
4:25 pm - 4:20 pmORD-DUB
17h 55m1 stop
KLM Logo
9:45 am - 9:36 pmDUB-ORD
17h 51m1 stop
$460KLM
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Wed, Nov 19 - Tue, Nov 25
Scandinavian Airlines Logo
7:20 pm - 11:45 amORD-DUB
34h 25m1 stop
Scandinavian Airlines Logo
10:10 am - 4:45 pmDUB-ORD
12h 35m1 stop
$461Scandinavian Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 6
Multiple Airlines Logo
6:35 pm - 8:10 amORD-DUB
7h 35mnonstop
Multiple Airlines Logo
5:00 am - 1:10 pmDUB-ORD
14h 10m1 stop
$462Multiple Airlines
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Sun, Nov 9 - Tue, Nov 18
United Airlines Logo
6:35 pm - 8:10 amORD-DUB
7h 35mnonstop
United Airlines Logo
9:00 am - 3:10 pmDUB-ORD
12h 10m1 stop
$464United Airlines
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Tue, Nov 11 - Wed, Nov 19
Delta Logo
4:25 pm - 4:20 pmORD-DUB
17h 55m1 stop
Delta Logo
11:30 am - 7:23 pmDUB-ORD
13h 53m2 stops
$465Delta
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Wed, Nov 19 - Wed, Nov 26
Aer Lingus Logo
3:50 pm - 5:10 amORD-DUB
7h 20mnonstop
Aer Lingus Logo
11:30 am - 2:00 pmDUB-ORD
8h 30mnonstop
$467Aer Lingus
Find Deal
Tue, Nov 18 - Mon, Nov 24
United Airlines Logo
6:35 pm - 8:10 amORD-DUB
7h 35mnonstop
United Airlines Logo
10:40 am - 1:30 pmDUB-ORD
8h 50mnonstop
$468United Airlines
Find Deal
Sun, Nov 9 - Tue, Nov 18
Air Canada Logo
7:20 am - 7:10 amORD-DUB
17h 50m2 stops
Air Canada Logo
9:00 am - 8:00 pmDUB-ORD
17h 00m2 stops
$470Air Canada
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Tue, Nov 11 - Wed, Nov 19
Delta Logo
1:28 pm - 3:45 pmMDW-DUB
20h 17m2 stops
Delta Logo
5:55 am - 6:36 pmDUB-MDW
18h 41m2 stops
$472Delta
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Wed, Jan 21 - Fri, Jan 30
Aer Lingus Logo
3:50 pm - 5:10 amORD-DUB
7h 20mnonstop
Aer Lingus Logo
11:30 am - 2:00 pmDUB-ORD
8h 30mnonstop
$494Aer Lingus
Find Deal
Tue, Nov 25 - Thu, Nov 27

Aer Lingus flights from Chicago to Dublin

Our best Aer Lingus deals on Chicago to Dublin flight tickets
Aer Lingus
Nov 18
ORD3:50 pmChicago O'Hare Intl
7h 20m
DUB5:10 amDublin
Nov 24
DUB11:30 amDublin
8h 30m
ORD2:00 pmChicago O'Hare Intl
Aer Lingus
Nov 7
ORD7:40 pmChicago O'Hare Intl
7h 20m
DUB9:00 amDublin
Nov 12
DUB3:20 pmDublin
8h 35m
ORD5:55 pmChicago O'Hare Intl
Aer Lingus
Nov 25
ORD3:50 pmChicago O'Hare Intl
7h 20m
DUB5:10 amDublin
Nov 27
DUB11:30 amDublin
8h 30m
ORD2:00 pmChicago O'Hare Intl

Lufthansa flights from Chicago to Dublin

Our best Lufthansa deals on Chicago to Dublin flight tickets
Lufthansa
Nov 11
ORD9:50 pmChicago O'Hare Intl
13h 20m
1 stop
DUB5:10 pmDublin
Nov 16
DUB9:15 amDublin
16h 50m
1 stop
ORD8:05 pmChicago O'Hare Intl
Lufthansa
Nov 10
ORD9:50 pmChicago O'Hare Intl
13h 20m
1 stop
DUB5:10 pmDublin
Nov 21
DUB5:10 amDublin
19h 09m
2 stops
ORD6:19 pmChicago O'Hare Intl
Lufthansa
Nov 10
ORD9:50 pmChicago O'Hare Intl
13h 20m
1 stop
DUB5:10 pmDublin
Nov 17
DUB5:55 pmDublin
30h 30m
1 stop
ORD6:25 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 November 6, 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

Wed 11/19

4:25 pm-4:20 pm

1 stop17h 55m

Dublin

Tue 11/25

9:45 am-9:36 pm

1 stop17h 51m

$460

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 11/29

7:20 pm-11:45 am

1 stop34h 25m

Dublin

Sat 12/6

10:10 am-4:45 pm

1 stop12h 35m

$461

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 11/9

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

Tue 11/18

5:00 am-1:10 pm

1 stop14h 10m

$462

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 11/11

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

Wed 11/19

9:00 am-3:10 pm

1 stop12h 10m

$464

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 11/19

4:25 pm-4:20 pm

1 stop17h 55m

Dublin

Wed 11/26

11:30 am-7:23 pm

2 stops13h 53m

$465

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 11/18

3:50 pm-5:10 am

Nonstop7h 20m

Dublin

Mon 11/24

11:30 am-2:00 pm

Nonstop8h 30m

$467

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 11/9

6:35 pm-8:10 am

Nonstop7h 35m

Dublin

Tue 11/18

10:40 am-1:30 pm

Nonstop8h 50m

$468

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 11/11

7:20 am-7:10 am

2 stops17h 50m

Dublin

Wed 11/19

9:00 am-8:00 pm

2 stops17h 00m

$470

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Wed 1/21

1:28 pm-3:45 pm

2 stops20h 17m

Dublin

Fri 1/30

5:55 am-6:36 pm

2 stops18h 41m

$472

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 11/25

3:50 pm-5:10 am

Nonstop7h 20m

Dublin

Thu 11/27

11:30 am-2:00 pm

Nonstop8h 30m

$494

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 $558. 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 $562.

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 $757. Flights from Chicago to Dublin on a Friday will generally be more expensive and average around $845. 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 $808.

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 $704 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 $641 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 November 2025, prices for Chicago to Dublin flights are approximately 90% 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

$452

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 $452. The best round-trip flight deal from Chicago to Dublin found on momondo in the last 72 hours is $593.
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 20m.

  • 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
2,907 reviews
Search JetBlue flights
IcelandairPriceFrom $346Free CancellationRating
7.1
572 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $393Free CancellationRating
7.1
2,048 reviews
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesPriceFrom $400Free CancellationRating
7.4
1,564 reviews
Search Scandinavian Airlines flights
SWISSPriceFrom $473Free CancellationRating
7.5
1,779 reviews
Search SWISS flights
LufthansaPriceFrom $476Free CancellationRating
6.8
7,558 reviews
Search Lufthansa flights
Aer LingusPriceFrom $494Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $512Free CancellationRating
6.7
7,500 reviews
Search British Airways flights
United AirlinesPriceFrom $522Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
Air CanadaPriceFrom $523Free CancellationRating
7.1
10,416 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 3 flights on this route every week with an average price of $818. SWISS is rated 7.5/10 by our users.

  • United Airlines Flights From Chicago to Dublin

    $522 is the best United Airlines flight deal from Chicago to Dublin found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $781, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 9,007 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
Mullingar
Naas
Arklow
Castleknock
Cavan
Drogheda
Wicklow
Leixlip
Kildare
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

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1 adult
Sat 12/6
Sat 12/13

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