Cheap flights from Chicago to Dublin from $202

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 12/8. 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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Scandinavian Airlines Logo
7:20 pm - 9:25 amORD-DUB
32h 05m1 stop
Scandinavian Airlines Logo
12:30 pm - 4:45 pmDUB-ORD
34h 15m1 stop
$454Scandinavian Airlines
Find Deal
Fri, Jan 16 - Wed, Jan 21
Multiple Airlines Logo
8:00 am - 6:10 amORD-DUB
17h 10m1 stop
Multiple Airlines Logo
9:10 am - 9:05 pmDUB-ORD
16h 55m1 stop
$455Multiple Airlines
Find Deal
Sun, Mar 15 - Wed, Mar 25
TAP AIR PORTUGAL Logo
8:15 pm - 11:20 pmORD-DUB
21h 05m1 stop
TAP AIR PORTUGAL Logo
4:15 am - 2:45 pmDUB-ORD
16h 30m1 stop
$456TAP AIR PORTUGAL
Find Deal
Fri, Jan 9 - Sat, Jan 17
Delta Logo
10:53 am - 8:45 amMDW-DUB
15h 52m2 stops
Delta Logo
8:45 am - 10:26 pmDUB-MDW
19h 41m2 stops
$456Delta
Find Deal
Tue, Jan 20 - Tue, Jan 27
Scandinavian Airlines Logo
8:20 pm - 6:20 pmORD-DUB
17h 00m1 stop
Scandinavian Airlines Logo
10:55 am - 5:45 pmDUB-ORD
35h 50m2 stops
$457Scandinavian Airlines
Find Deal
Mon, Mar 9 - Sun, Mar 15
Scandinavian Airlines Logo
7:20 pm - 7:35 pmORD-DUB
18h 15m2 stops
Scandinavian Airlines Logo
10:05 am - 4:45 pmDUB-ORD
36h 40m2 stops
$458Scandinavian Airlines
Find Deal
Sun, Mar 1 - Sat, Mar 7
Scandinavian Airlines Logo
7:20 pm - 10:00 amORD-DUB
32h 40m2 stops
Scandinavian Airlines Logo
10:10 am - 4:45 pmDUB-ORD
12h 35m1 stop
$459Scandinavian Airlines
Find Deal
Wed, Jan 7 - Sat, Jan 24
British Airways Logo
7:05 pm - 2:35 pmORD-DUB
13h 30m1 stop
British Airways Logo
8:30 am - 3:55 pmDUB-ORD
13h 25m1 stop
$461British Airways
Find Deal
Wed, Apr 8 - Wed, Apr 15
Delta Logo
1:00 pm - 8:45 amMDW-DUB
14h 45m2 stops
Delta Logo
5:55 am - 6:34 pmDUB-MDW
17h 39m2 stops
$461Delta
Find Deal
Mon, Mar 9 - Wed, Mar 18
KLM Logo
1:50 pm - 7:45 amMDW-DUB
11h 55m1 stop
KLM Logo
9:45 am - 6:18 pmDUB-MDW
14h 33m1 stop
$483KLM
Find Deal
Sat, Dec 6 - Tue, Dec 16

United Airlines flights from Chicago to Dublin

Our best United Airlines deals on Chicago to Dublin flight tickets
United Airlines
Dec 2
ORD6:35 pmChicago O'Hare Intl
7h 35m
DUB8:10 amDublin
Dec 10
DUB9:00 amDublin
12h 10m
1 stop
ORD3:10 pmChicago O'Hare Intl
United Airlines
Mar 29
ORD8:15 pmChicago O'Hare Intl
7h 30m
DUB9:45 amDublin
Apr 7
DUB9:50 amDublin
11h 20m
1 stop
ORD3:10 pmChicago O'Hare Intl
United Airlines
Dec 2
ORD6:35 pmChicago O'Hare Intl
7h 35m
DUB8:10 amDublin
Dec 9
DUB10:40 amDublin
8h 50m
ORD1:30 pmChicago O'Hare Intl

Lufthansa flights from Chicago to Dublin

Our best Lufthansa deals on Chicago to Dublin flight tickets
Lufthansa
Nov 18
ORD9:50 pmChicago O'Hare Intl
13h 20m
1 stop
DUB5:10 pmDublin
Nov 25
DUB5:00 amDublin
19h 19m
2 stops
ORD6:19 pmChicago O'Hare Intl
Lufthansa
Dec 3
ORD9:50 pmChicago O'Hare Intl
13h 20m
1 stop
DUB5:10 pmDublin
Dec 8
DUB5:55 pmDublin
30h 30m
1 stop
ORD6:25 pmChicago O'Hare Intl
Lufthansa
Jan 6
ORD9:09 pmChicago O'Hare Intl
31h 51m
2 stops
DUB11:00 amDublin
Jan 15
DUB5:00 amDublin
14h 10m
1 stop
ORD1:10 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 13, 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

Fri 1/16

7:20 pm-9:25 am

1 stop32h 05m

Dublin

Wed 1/21

12:30 pm-4:45 pm

1 stop34h 15m

$454

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/15

8:00 am-6:10 am

1 stop17h 10m

Dublin

Wed 3/25

9:10 am-9:05 pm

1 stop16h 55m

$455

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 1/9

8:15 pm-11:20 pm

1 stop21h 05m

Dublin

Sat 1/17

4:15 am-2:45 pm

1 stop16h 30m

$456

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Tue 1/20

10:53 am-8:45 am

2 stops15h 52m

Dublin

Tue 1/27

8:45 am-10:26 pm

2 stops19h 41m

$456

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 3/9

8:20 pm-6:20 pm

1 stop17h 00m

Dublin

Sun 3/15

10:55 am-5:45 pm

2 stops35h 50m

$457

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/1

7:20 pm-7:35 pm

2 stops18h 15m

Dublin

Sat 3/7

10:05 am-4:45 pm

2 stops36h 40m

$458

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 1/7

7:20 pm-10:00 am

2 stops32h 40m

Dublin

Sat 1/24

10:10 am-4:45 pm

1 stop12h 35m

$459

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 4/8

7:05 pm-2:35 pm

1 stop13h 30m

Dublin

Wed 4/15

8:30 am-3:55 pm

1 stop13h 25m

$461

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Mon 3/9

1:00 pm-8:45 am

2 stops14h 45m

Dublin

Wed 3/18

5:55 am-6:34 pm

2 stops17h 39m

$461

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Sat 12/6

1:50 pm-7:45 am

1 stop11h 55m

Dublin

Tue 12/16

9:45 am-6:18 pm

1 stop14h 33m

$483

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 typical price of a round-trip flight between Chicago and Dublin?

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 $564.

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 $703 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 $656 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 88% 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 30m.

  • 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
578 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $393Free CancellationRating
7.1
2,059 reviews
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesPriceFrom $400Free CancellationRating
7.4
1,575 reviews
Search Scandinavian Airlines flights
SWISSPriceFrom $473Free CancellationRating
7.5
1,784 reviews
Search SWISS flights
LufthansaPriceFrom $476Free CancellationRating
6.8
7,572 reviews
Search Lufthansa flights
Aer LingusPriceFrom $494Free CancellationRating
7.2
1,370 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $512Free CancellationRating
6.7
7,520 reviews
Search British Airways flights
United AirlinesPriceFrom $522Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
Air CanadaPriceFrom $523Free CancellationRating
7.1
10,448 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 9,017 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 12/13
Sat 12/20

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