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Cheap flights from Chicago to Dublin from €203

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
16:25 - 16:20ORD-DUB
17h 55m1 stop
KLM Logo
09:45 - 21:36DUB-ORD
17h 51m1 stop
€398KLM
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Wed, 19 Nov - Tue, 25 Nov
Delta Logo
10:36 - 08:00ORD-DUB
15h 24m2 stops
Delta Logo
08:45 - 15:10DUB-ORD
12h 25m1 stop
€399Delta
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Mon, 8 Dec - Wed, 17 Dec
Multiple Airlines Logo
18:35 - 08:10ORD-DUB
7h 35mdirect
Multiple Airlines Logo
05:00 - 13:10DUB-ORD
14h 10m1 stop
€400Multiple Airlines
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Sun, 7 Dec - Tue, 16 Dec
British Airways Logo
22:45 - 17:00ORD-DUB
13h 15m1 stop
British Airways Logo
10:55 - 18:15DUB-ORD
13h 20m1 stop
€401British Airways
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Wed, 25 Mar - Wed, 8 Apr
United Airlines Logo
18:35 - 08:10ORD-DUB
7h 35mdirect
United Airlines Logo
09:00 - 15:10DUB-ORD
12h 10m1 stop
€402United Airlines
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Tue, 2 Dec - Wed, 10 Dec
Delta Logo
15:50 - 16:20ORD-DUB
18h 30m2 stops
Delta Logo
11:30 - 21:53DUB-ORD
16h 23m1 stop
€402Delta
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Wed, 19 Nov - Wed, 26 Nov
United Airlines Logo
19:35 - 08:10ORD-DUB
7h 35mdirect
United Airlines Logo
09:50 - 17:45DUB-ORD
13h 55m1 stop
€405United Airlines
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Tue, 24 Mar - Wed, 8 Apr
British Airways Logo
18:10 - 12:10ORD-DUB
13h 00m1 stop
British Airways Logo
08:30 - 15:55DUB-ORD
13h 25m1 stop
€408British Airways
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Tue, 24 Mar - Wed, 8 Apr
Multiple Airlines Logo
08:40 - 08:15ORD-DUB
17h 35m2 stops
Multiple Airlines Logo
08:40 - 19:50DUB-ORD
17h 10m2 stops
€412Multiple Airlines
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Wed, 22 Apr - Thu, 30 Apr
Aer Lingus Logo
19:40 - 09:00ORD-DUB
7h 20mdirect
Aer Lingus Logo
11:30 - 14:00DUB-ORD
8h 30mdirect
€439Aer Lingus
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Mon, 15 Dec - Tue, 23 Dec

KLM flights from Chicago to Dublin

Our best KLM deals on Chicago to Dublin flight tickets
KLM
19 Nov
ORD16:25Chicago O'Hare Intl
17h 55m
1 stop
DUB16:20Dublin
25 Nov
DUB09:45Dublin
17h 51m
1 stop
ORD21:36Chicago O'Hare Intl
€398
Find similar
KLM
6 Dec
ORD10:36Chicago O'Hare Intl
16h 09m
1 stop
DUB08:45Dublin
17 Dec
DUB11:30Dublin
12h 32m
1 stop
ORD18:02Chicago O'Hare Intl
€418
Find similar
KLM
24 Mar
MDW13:05Chicago Midway
13h 40m
1 stop
DUB07:45Dublin
8 Apr
DUB10:00Dublin
14h 08m
1 stop
MDW18:08Chicago Midway
€421
Find similar

Delta flights from Chicago to Dublin

Our best Delta deals on Chicago to Dublin flight tickets
Delta
19 Nov
ORD16:25Chicago O'Hare Intl
17h 55m
1 stop
DUB16:20Dublin
25 Nov
DUB09:45Dublin
17h 51m
1 stop
ORD21:36Chicago O'Hare Intl
€398
Find similar
Delta
8 Dec
ORD10:36Chicago O'Hare Intl
15h 24m
2 stops
DUB08:00Dublin
17 Dec
DUB08:45Dublin
12h 25m
1 stop
ORD15:10Chicago O'Hare Intl
€399
Find similar
Delta
19 Nov
MDW10:47Chicago Midway
15h 18m
2 stops
DUB08:05Dublin
27 Nov
DUB09:45Dublin
29h 16m
1 stop
MDW09:01Chicago Midway
€402
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momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 8 November 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 19/11

16:25-16:20

1 stop17h 55m

Dublin

Tue 25/11

09:45-21:36

1 stop17h 51m

€398

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 8/12

10:36-08:00

2 stops15h 24m

Dublin

Wed 17/12

08:45-15:10

1 stop12h 25m

€399

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 7/12

18:35-08:10

Nonstop7h 35m

Dublin

Tue 16/12

05:00-13:10

1 stop14h 10m

€400

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 25/3

22:45-17:00

1 stop13h 15m

Dublin

Wed 8/4

10:55-18:15

1 stop13h 20m

€401

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 2/12

18:35-08:10

Nonstop7h 35m

Dublin

Wed 10/12

09:00-15:10

1 stop12h 10m

€402

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 19/11

15:50-16:20

2 stops18h 30m

Dublin

Wed 26/11

11:30-21:53

1 stop16h 23m

€402

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 24/3

19:35-08:10

Nonstop7h 35m

Dublin

Wed 8/4

09:50-17:45

1 stop13h 55m

€405

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 24/3

18:10-12:10

1 stop13h 00m

Dublin

Wed 8/4

08:30-15:55

1 stop13h 25m

€408

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 22/4

08:40-08:15

2 stops17h 35m

Dublin

Thu 30/4

08:40-19:50

2 stops17h 10m

€412

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 15/12

19:40-09:00

Nonstop7h 20m

Dublin

Tue 23/12

11:30-14:00

Nonstop8h 30m

€439

Flights are sorted by cheapest return 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?

If you aren’t able to travel during the month of February, then book flights to Dublin from Chicago during January instead. Flights to Dublin in January, while not as cheap as those in February, still average around €486.

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

Our data shows that Thursday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €552. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €750. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

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

Our data shows that the cheapest Chicago to Dublin flights are usually those with departure times in the evening. Our users have found flights to Dublin in the evening for as low as €632. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €788 on average. Flights to Dublin from Chicago at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 €609 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Chicago for as low as €555 on momondo.

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

There is only 1 cabin class 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.

Can stopping save me money on Chicago to Dublin flights?

No. A direct flight is the cheapest option for a flight between Chicago to Dublin.

How have Chicago to Dublin flight prices changed over time?

As of November 2025, prices for Chicago to Dublin flights are approximately 91% 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 return 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

€495

Fastest flight time

7h 20m

Direct flights

Every day

Airports in Dublin

1 airport
The best flight deal from Chicago to Dublin found on momondo in the last 72 hours is €495
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)
Search flight deals

  • How far is Chicago to Dublin by plane?

    The straight-line distance from Chicago to Dublin is 5885.8 km. 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify 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 required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
Aer LingusPriceFrom €310Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €495Free CancellationRating
7.4
9,009 reviews
Search United Airlines flights

  • United Airlines Flights From Chicago to Dublin

    Across 4 United Airlines flights from Chicago to Dublin this week, the average price was €632, with the best United Airlines deals starting from €495 round-trip. 9,009 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • Aer Lingus Flights From Chicago to Dublin

    Across 1,365 Aer Lingus reviews on momondo, the average score is 7.2/10. Aer Lingus flies from Chicago to Dublin about 9 times each week, with ticket deals ranging from €310 to €632. Price data is based on momondo searches in the last 72 hours.

Travelling to a place near Dublin?

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

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?

momondo provides multiple filters to help you find the best flight to Dublin from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Dublin from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Dublin trip

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