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Cheap flights from Chicago to Dublin from €175

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 8/12. 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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Multiple Airlines Logo
08:00 - 06:10ORD-DUB
17h 10m1 stop
Multiple Airlines Logo
09:10 - 21:05DUB-ORD
16h 55m1 stop
€392Multiple Airlines
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Sun, 15 Mar - Wed, 25 Mar
Scandinavian Airlines Logo
19:20 - 10:10ORD-DUB
32h 50m2 stops
Scandinavian Airlines Logo
18:55 - 16:45DUB-ORD
27h 50m2 stops
€393Scandinavian Airlines
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Fri, 13 Feb - Fri, 20 Feb
TAP AIR PORTUGAL Logo
18:00 - 00:05ORD-DUB
24h 05m1 stop
TAP AIR PORTUGAL Logo
10:45 - 16:00DUB-ORD
35h 15m1 stop
€393TAP AIR PORTUGAL
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Wed, 8 Apr - Sat, 25 Apr
Scandinavian Airlines Logo
20:20 - 18:20ORD-DUB
17h 00m1 stop
Scandinavian Airlines Logo
12:30 - 17:45DUB-ORD
34h 15m1 stop
€394Scandinavian Airlines
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Sun, 8 Mar - Fri, 13 Mar
Scandinavian Airlines Logo
19:20 - 10:00ORD-DUB
32h 40m2 stops
Scandinavian Airlines Logo
10:10 - 16:45DUB-ORD
12h 35m1 stop
€395Scandinavian Airlines
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Wed, 7 Jan - Sat, 24 Jan
Multiple Airlines Logo
07:10 - 09:55ORD-DUB
21h 45m1 stop
Multiple Airlines Logo
09:50 - 09:10DUB-ORD
29h 20m1 stop
€396Multiple Airlines
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Tue, 24 Mar - Tue, 31 Mar
Delta Logo
13:00 - 08:45MDW-DUB
14h 45m2 stops
Delta Logo
05:55 - 18:34DUB-MDW
17h 39m2 stops
€397Delta
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Mon, 9 Mar - Wed, 18 Mar
Scandinavian Airlines Logo
19:20 - 19:35ORD-DUB
18h 15m2 stops
Scandinavian Airlines Logo
12:30 - 16:55DUB-ORD
34h 25m1 stop
€397Scandinavian Airlines
Find Deal
Sun, 1 Mar - Thu, 5 Mar
Delta Logo
09:35 - 07:50ORD-DUB
16h 15m2 stops
Delta Logo
08:45 - 15:10DUB-ORD
12h 25m1 stop
€398Delta
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Wed, 14 Jan - Thu, 22 Jan
United Airlines Logo
18:35 - 08:10ORD-DUB
7h 35mdirect
United Airlines Logo
09:00 - 15:10DUB-ORD
12h 10m1 stop
€399United Airlines
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Tue, 2 Dec - Wed, 10 Dec

Delta flights from Chicago to Dublin

Our best Delta deals on Chicago to Dublin flight tickets
Delta
9 Mar
MDW13:00Chicago Midway
14h 45m
2 stops
DUB08:45Dublin
18 Mar
DUB05:55Dublin
17h 39m
2 stops
MDW18:34Chicago Midway
€397
Find similar
Delta
14 Jan
ORD09:35Chicago O'Hare Intl
16h 15m
2 stops
DUB07:50Dublin
22 Jan
DUB08:45Dublin
12h 25m
1 stop
ORD15:10Chicago O'Hare Intl
€398
Find similar
Delta
8 Dec
MDW13:14Chicago Midway
12h 51m
2 stops
DUB08:05Dublin
17 Dec
DUB09:45Dublin
12h 49m
1 stop
MDW16:34Chicago Midway
€400
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United Airlines flights from Chicago to Dublin

Our best United Airlines deals on Chicago to Dublin flight tickets
United Airlines
2 Dec
ORD18:35Chicago O'Hare Intl
7h 35m
DUB08:10Dublin
10 Dec
DUB09:00Dublin
12h 10m
1 stop
ORD15:10Chicago O'Hare Intl
€399
Find similar
United Airlines
15 Apr
ORD20:15Chicago O'Hare Intl
7h 30m
DUB09:45Dublin
29 Apr
DUB09:50Dublin
11h 20m
1 stop
ORD15:10Chicago O'Hare Intl
€403
Find similar
United Airlines
16 Nov
ORD18:35Chicago O'Hare Intl
7h 35m
DUB08:10Dublin
25 Nov
DUB10:40Dublin
8h 50m
ORD13:30Chicago O'Hare Intl
€404
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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 14 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

Sun 15/3

08:00-06:10

1 stop17h 10m

Dublin

Wed 25/3

09:10-21:05

1 stop16h 55m

€392

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 13/2

19:20-10:10

2 stops32h 50m

Dublin

Fri 20/2

18:55-16:45

2 stops27h 50m

€393

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 8/4

18:00-00:05

1 stop24h 05m

Dublin

Sat 25/4

10:45-16:00

1 stop35h 15m

€393

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 8/3

20:20-18:20

1 stop17h 00m

Dublin

Fri 13/3

12:30-17:45

1 stop34h 15m

€394

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 7/1

19:20-10:00

2 stops32h 40m

Dublin

Sat 24/1

10:10-16:45

1 stop12h 35m

€395

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 24/3

07:10-09:55

1 stop21h 45m

Dublin

Tue 31/3

09:50-09:10

1 stop29h 20m

€396

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Mon 9/3

13:00-08:45

2 stops14h 45m

Dublin

Wed 18/3

05:55-18:34

2 stops17h 39m

€397

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 1/3

19:20-19:35

2 stops18h 15m

Dublin

Thu 5/3

12:30-16:55

1 stop34h 25m

€397

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 14/1

09:35-07:50

2 stops16h 15m

Dublin

Thu 22/1

08:45-15:10

1 stop12h 25m

€398

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

€399

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 €549. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €747. 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 €629. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €783 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 €605 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 €565 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 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 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

€493

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 €493
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 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?

    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 €308Free CancellationRating
7.2
1,370 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €493Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights

  • United Airlines Flights From Chicago to Dublin

    Across 7 United Airlines flights from Chicago to Dublin this week, the average price was €629, with the best United Airlines deals starting from €493 round-trip. 9,017 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • Aer Lingus Flights From Chicago to Dublin

    Across 1,370 Aer Lingus reviews on momondo, the average score is 7.2/10. Aer Lingus flies from Chicago to Dublin about 12 times each week, with ticket deals ranging from €308 to €629. 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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