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Cheap flights from Chicago to Dublin from €166

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 26/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
18:35 - 08:10ORD-DUB
7h 35mdirect
United Airlines Logo
10:40 - 13:30DUB-ORD
8h 50mdirect
€402United Airlines
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Tue, 11 Nov - Fri, 21 Nov
United Airlines Logo
08:50 - 10:20ORD-DUB
19h 30m1 stop
United Airlines Logo
10:40 - 13:30DUB-ORD
8h 50mdirect
€403United Airlines
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Sun, 9 Nov - Tue, 18 Nov
Delta Logo
09:34 - 08:05MDW-DUB
16h 31m2 stops
Delta Logo
10:45 - 22:26DUB-MDW
17h 41m2 stops
€403Delta
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Wed, 21 Jan - Fri, 30 Jan
American Airlines Logo
22:45 - 15:40ORD-DUB
11h 55m1 stop
American Airlines Logo
07:30 - 14:40DUB-ORD
13h 10m1 stop
€404American Airlines
Find Deal
Wed, 25 Mar - Tue, 7 Apr
United Airlines Logo
18:04 - 10:20ORD-DUB
10h 16m1 stop
United Airlines Logo
09:50 - 15:10DUB-ORD
11h 20m1 stop
€405United Airlines
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Wed, 1 Apr - Fri, 10 Apr
Delta Logo
13:28 - 15:45MDW-DUB
20h 17m2 stops
Delta Logo
05:55 - 18:08DUB-MDW
18h 13m2 stops
€406Delta
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Tue, 10 Feb - Fri, 20 Feb
United Airlines Logo
17:25 - 09:55ORD-DUB
10h 30m1 stop
United Airlines Logo
10:40 - 13:30DUB-ORD
8h 50mdirect
€406United Airlines
Find Deal
Sun, 7 Dec - Thu, 18 Dec
Air Canada Logo
18:40 - 07:15ORD-DUB
31h 35m1 stop
Air Canada Logo
09:50 - 17:45DUB-ORD
13h 55m1 stop
€407Air Canada
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Sat, 28 Mar - Thu, 9 Apr
Multiple Airlines Logo
07:15 - 06:10ORD-DUB
17h 55m2 stops
Multiple Airlines Logo
18:40 - 15:55DUB-ORD
27h 15m1 stop
€409Multiple Airlines
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Sun, 22 Mar - Mon, 30 Mar
Multiple Airlines Logo
12:50 - 11:00ORD-DUB
16h 10m2 stops
Multiple Airlines Logo
18:35 - 16:20DUB-ORD
27h 45m1 stop
€417Multiple Airlines
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Wed, 10 Dec - Mon, 15 Dec

SWISS flights from Chicago to Dublin

Our best SWISS deals on Chicago to Dublin flight tickets
SWISS
5 Nov
ORD18:50Chicago O'Hare Intl
16h 55m
1 stop
DUB17:45Dublin
10 Nov
DUB18:35Dublin
27h 45m
1 stop
ORD16:20Chicago O'Hare Intl
€411
Find similar
SWISS
25 Nov
ORD18:35Chicago O'Hare Intl
7h 35m
DUB08:10Dublin
2 Dec
DUB12:55Dublin
33h 25m
1 stop
ORD16:20Chicago O'Hare Intl
€415
Find similar
SWISS
5 Nov
ORD18:50Chicago O'Hare Intl
16h 55m
1 stop
DUB17:45Dublin
10 Nov
DUB13:20Dublin
33h 00m
1 stop
ORD16:20Chicago O'Hare Intl
€417
Find similar

TAP AIR PORTUGAL flights from Chicago to Dublin

Our best TAP AIR PORTUGAL deals on Chicago to Dublin flight tickets
TAP AIR PORTUGAL
9 Nov
ORD20:25Chicago O'Hare Intl
13h 45m
1 stop
DUB16:10Dublin
13 Nov
DUB04:25Dublin
17h 00m
1 stop
ORD15:25Chicago O'Hare Intl
€419
Find similar
TAP AIR PORTUGAL
19 Apr
ORD18:00Chicago O'Hare Intl
18h 05m
1 stop
DUB18:05Dublin
25 Apr
DUB10:45Dublin
35h 15m
1 stop
ORD16:00Chicago O'Hare Intl
€431
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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 29 October 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 11/11

18:35-08:10

Nonstop7h 35m

Dublin

Fri 21/11

10:40-13:30

Nonstop8h 50m

€402

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 9/11

08:50-10:20

1 stop19h 30m

Dublin

Tue 18/11

10:40-13:30

Nonstop8h 50m

€403

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Wed 21/1

09:34-08:05

2 stops16h 31m

Dublin

Fri 30/1

10:45-22:26

2 stops17h 41m

€403

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 25/3

22:45-15:40

1 stop11h 55m

Dublin

Tue 7/4

07:30-14:40

1 stop13h 10m

€404

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 1/4

18:04-10:20

1 stop10h 16m

Dublin

Fri 10/4

09:50-15:10

1 stop11h 20m

€405

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Tue 10/2

13:28-15:45

2 stops20h 17m

Dublin

Fri 20/2

05:55-18:08

2 stops18h 13m

€406

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 7/12

17:25-09:55

1 stop10h 30m

Dublin

Thu 18/12

10:40-13:30

Nonstop8h 50m

€406

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 28/3

18:40-07:15

1 stop31h 35m

Dublin

Thu 9/4

09:50-17:45

1 stop13h 55m

€407

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 22/3

07:15-06:10

2 stops17h 55m

Dublin

Mon 30/3

18:40-15:55

1 stop27h 15m

€409

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 10/12

12:50-11:00

2 stops16h 10m

Dublin

Mon 15/12

18:35-16:20

1 stop27h 45m

€417

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

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 €483.

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 €547. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €744. 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 €626. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €781 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 €603 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 €543 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 October 2025, prices for Chicago to Dublin flights are approximately 18% cheaper 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

€491

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 €491
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 €307Free CancellationRating
7.2
1,361 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €491Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights

  • United Airlines Flights From Chicago to Dublin

    Across 3 United Airlines flights from Chicago to Dublin this week, the average price was €627, with the best United Airlines deals starting from €491 round-trip. 9,001 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • Aer Lingus Flights From Chicago to Dublin

    Across 1,361 Aer Lingus reviews on momondo, the average score is 7.2/10. Aer Lingus flies from Chicago to Dublin about 13 times each week, with ticket deals ranging from €307 to €626. 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
Dundalk
Cavan
Tullamore
Enniscorthy
Kildare
Bray
Mullingar
Naas
Maynooth
Arklow
Carlingford
Leixlip
Drogheda
Malahide
Castleknock
Gorey

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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