Cheap flights from Illinois to Dublin from €182

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Dublin departing on 24/10. 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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Find the cheapest flights from Illinois to Dublin

Cheap return flights

United Airlines Logo
11:05 - 08:10STL-DUB
15h 05m1 stop
United Airlines Logo
09:00 - 15:29DUB-STL
12h 29m1 stop
€343United Airlines
Find Deal
Tue, 18 Nov - Wed, 26 Nov
Air Canada Logo
06:30 - 07:10STL-DUB
18h 40m2 stops
Air Canada Logo
09:00 - 15:29DUB-STL
12h 29m1 stop
€345Air Canada
Find Deal
Tue, 18 Nov - Wed, 26 Nov
TAP AIR PORTUGAL Logo
20:15 - 23:20ORD-DUB
21h 05m1 stop
TAP AIR PORTUGAL Logo
04:25 - 15:15DUB-ORD
16h 50m1 stop
€347TAP AIR PORTUGAL
Find Deal
Fri, 7 Nov - Thu, 13 Nov
TAP AIR PORTUGAL Logo
18:00 - 11:20ORD-DUB
35h 20m1 stop
TAP AIR PORTUGAL Logo
16:55 - 15:00DUB-ORD
28h 05m1 stop
€352TAP AIR PORTUGAL
Find Deal
Fri, 24 Oct - Tue, 4 Nov
Scandinavian Airlines Logo
19:20 - 09:25ORD-DUB
32h 05m1 stop
Scandinavian Airlines Logo
18:55 - 16:45DUB-ORD
27h 50m2 stops
€353Scandinavian Airlines
Find Deal
Fri, 7 Nov - Fri, 14 Nov
Iberia Logo
12:21 - 09:45STL-DUB
15h 24m1 stop
Iberia Logo
11:30 - 20:55DUB-STL
15h 25m1 stop
€353Iberia
Find Deal
Tue, 21 Oct - Wed, 5 Nov
Scandinavian Airlines Logo
19:20 - 18:20ORD-DUB
17h 00m1 stop
Scandinavian Airlines Logo
10:10 - 16:45DUB-ORD
12h 35m1 stop
€353Scandinavian Airlines
Find Deal
Mon, 10 Nov - Sat, 15 Nov
 Logo
05:11 - 07:10STL-DUB
20h 59m1 stop
 Logo
11:30 - 17:37DUB-STL
12h 07m1 stop
€359
Find Deal
Sun, 26 Oct - Thu, 6 Nov
 Logo
07:01 - 07:10STL-DUB
19h 09m1 stop
 Logo
11:30 - 00:05DUB-STL
18h 35m2 stops
€362
Find Deal
Sun, 26 Oct - Thu, 6 Nov
Iberia Logo
15:59 - 09:45STL-DUB
11h 46m1 stop
Iberia Logo
12:40 - 20:15DUB-STL
13h 35m1 stop
€412Iberia
Find Deal
Mon, 8 Sep - Fri, 19 Sep

United Airlines flights from Illinois to Dublin

Our best United Airlines deals on Illinois to Dublin flight tickets
United Airlines
18 Nov
STL11:05Lambert-St Louis
15h 05m
1 stop
DUB08:10Dublin
26 Nov
DUB09:00Dublin
12h 29m
1 stop
STL15:29Lambert-St Louis
United Airlines
18 Nov
STL15:14Lambert-St Louis
10h 56m
1 stop
DUB08:10Dublin
26 Nov
DUB09:00Dublin
20h 44m
2 stops
STL23:44Lambert-St Louis
United Airlines
21 Oct
STL16:05Lambert-St Louis
10h 10m
1 stop
DUB08:15Dublin
5 Nov
DUB09:00Dublin
20h 44m
2 stops
STL23:44Lambert-St Louis

Air Canada flights from Illinois to Dublin

Our best Air Canada deals on Illinois to Dublin flight tickets
Air Canada
18 Nov
STL06:30Lambert-St Louis
18h 40m
2 stops
DUB07:10Dublin
26 Nov
DUB09:00Dublin
12h 29m
1 stop
STL15:29Lambert-St Louis
Air Canada
21 Oct
STL16:05Lambert-St Louis
10h 10m
1 stop
DUB08:15Dublin
5 Nov
DUB09:00Dublin
35h 25m
2 stops
STL14:25Lambert-St Louis
Air Canada
17 Aug
STL13:30Lambert-St Louis
12h 15m
1 stop
DUB07:45Dublin
2 Sept
DUB09:20Dublin
16h 37m
1 stop
STL19:57Lambert-St Louis

momondo Fare Finder

 
Customise your flight search to find flights from Illinois 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 5 August 2025.
Use the filters below to find and compare flights from Illinois to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 18/11

11:05-08:10

1 stop15h 05m

Dublin

Wed 26/11

09:00-15:29

1 stop12h 29m

€343

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 18/11

06:30-07:10

2 stops18h 40m

Dublin

Wed 26/11

09:00-15:29

1 stop12h 29m

€345

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 7/11

20:15-23:20

1 stop21h 05m

Dublin

Thu 13/11

04:25-15:15

1 stop16h 50m

€347

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 24/10

18:00-11:20

1 stop35h 20m

Dublin

Tue 4/11

16:55-15:00

1 stop28h 05m

€352

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 7/11

19:20-09:25

1 stop32h 05m

Dublin

Fri 14/11

18:55-16:45

2 stops27h 50m

€353

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 21/10

12:21-09:45

1 stop15h 24m

Dublin

Wed 5/11

11:30-20:55

1 stop15h 25m

€353

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 10/11

19:20-18:20

1 stop17h 00m

Dublin

Sat 15/11

10:10-16:45

1 stop12h 35m

€353

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 26/10

05:11-07:10

1 stop20h 59m

Dublin

Thu 6/11

11:30-17:37

1 stop12h 07m

€359

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sun 26/10

07:01-07:10

1 stop19h 09m

Dublin

Thu 6/11

11:30-00:05

2 stops18h 35m

€362

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 8/9

15:59-09:45

1 stop11h 46m

Dublin

Fri 19/9

12:40-20:15

1 stop13h 35m

€412

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 Illinois 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 Illinois during January instead. Flights to Dublin in January, while not as cheap as those in February, still average around €473.

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 €595. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €741. 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 Illinois 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 €631. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €786 on average. Flights to Dublin from Illinois at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Illinois to Dublin flight route?

Fly from Chicago O'Hare Intl to Dublin for the best Illinois - 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 Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €597 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 Illinois for as low as €544 on momondo.

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

There are 1 cabin classes available to choose from on Illinois 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 Illinois to Dublin flights?

You could potentially save up to 19% on your flight if you consider stops on a Illinois to Dublin flight.

Cheap Illinois to Dublin flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Dublin

Best price found

€182

Fastest flight time

9h 43m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from Illinois in the past 72 hours is €182. The best return flight deal from Illinois to Dublin found on momondo in the last 72 hours is €343.
The fastest flight from Illinois to Dublin takes 9h 43m
Direct flights go from Illinois to Dublin every day.
There is 1 airport near Dublin: Dublin (DUB)

  • When did momondo last update prices for flights from Illinois to Dublin Airport?

    Prices for flights from Illinois to Dublin Airport are updated daily.

  • How many operators does momondo search for flights from Illinois to Dublin Airport?

  • How old do you have to be to fly from Illinois to Dublin Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois 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 Illinois to Dublin?


Best airlines flying from Illinois to Dublin

Compare and see reviews for airlines that fly from Illinois to Dublin with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom €458Free CancellationRating
7.1
1,197 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €560Free CancellationRating
7.4
8,912 reviews
Search United Airlines flights

Travelling to a place near Dublin?

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

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Dublin?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Dublin . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Illinois to Dublin with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Dublin from Illinois with this policy.

How can momondo help me find flights from Illinois to Dublin?

Once you have performed a search for Illinois to Dublin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Illinois to Dublin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Sun 10/8
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