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Cheap flights from Illinois 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 Illinois to Dublin departing on 23/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Air France Logo
12:49 - 07:45STL-DUB
12h 56m1 stop
Air France Logo
10:45 - 16:35DUB-STL
11h 50m1 stop
€374Air France
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Tue, 2 Dec - Wed, 10 Dec
Delta Logo
06:39 - 07:45STL-DUB
19h 06m2 stops
Delta Logo
10:45 - 20:47DUB-STL
16h 02m2 stops
€379Delta
Find Deal
Tue, 2 Dec - Tue, 9 Dec
Multiple Airlines Logo
09:30 - 07:45STL-DUB
16h 15m1 stop
Multiple Airlines Logo
10:45 - 16:35DUB-STL
11h 50m1 stop
€390Multiple Airlines
Find Deal
Mon, 8 Dec - Mon, 15 Dec
United Airlines Logo
11:20 - 08:10STL-DUB
14h 50m1 stop
United Airlines Logo
09:00 - 22:00DUB-STL
43h 00m2 stops
€393United Airlines
Find Deal
Sat, 10 Jan - Sat, 17 Jan
United Airlines Logo
08:45 - 08:10STL-DUB
17h 25m2 stops
United Airlines Logo
09:00 - 20:58DUB-STL
41h 58m2 stops
€398United Airlines
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Sat, 10 Jan - Sat, 17 Jan
KLM Logo
16:25 - 16:20ORD-DUB
17h 55m1 stop
KLM Logo
11:30 - 18:02DUB-ORD
12h 32m1 stop
€398KLM
Find Deal
Wed, 26 Nov - Wed, 3 Dec
Scandinavian Airlines Logo
19:20 - 18:20ORD-DUB
17h 00m1 stop
Scandinavian Airlines Logo
10:10 - 16:45DUB-ORD
12h 35m1 stop
€399Scandinavian Airlines
Find Deal
Mon, 8 Dec - Sat, 13 Dec
Multiple Airlines Logo
18:35 - 08:10ORD-DUB
7h 35mdirect
Multiple Airlines Logo
11:45 - 20:05DUB-ORD
14h 20m1 stop
€399Multiple Airlines
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Scandinavian Airlines Logo
19:20 - 11:45ORD-DUB
34h 25m1 stop
Scandinavian Airlines Logo
12:30 - 16:45DUB-ORD
34h 15m1 stop
€400Scandinavian Airlines
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Sat, 24 Jan - Tue, 27 Jan
KLM Logo
13:49 - 07:45MDW-DUB
11h 56m1 stop
KLM Logo
09:45 - 18:08DUB-MDW
13h 23m1 stop
€412KLM
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Sun, 1 Mar - Sun, 8 Mar

Air France flights from Illinois to Dublin

Our best Air France deals on Illinois to Dublin flight tickets
Air France
2 Dec
STL12:49Lambert-St Louis
12h 56m
1 stop
DUB07:45Dublin
10 Dec
DUB10:45Dublin
11h 50m
1 stop
STL16:35Lambert-St Louis
€374
Find similar
Air France
3 Dec
STL14:07Lambert-St Louis
11h 38m
1 stop
DUB07:45Dublin
9 Dec
DUB06:00Dublin
17h 10m
2 stops
STL17:10Lambert-St Louis
€391
Find similar
Air France
10 Nov
STL16:30Lambert-St Louis
10h 15m
1 stop
DUB08:45Dublin
17 Nov
DUB10:45Dublin
11h 48m
1 stop
STL16:33Lambert-St Louis
€396
Find similar

Delta flights from Illinois to Dublin

Our best Delta deals on Illinois to Dublin flight tickets
Delta
10 Nov
STL06:00Lambert-St Louis
19h 45m
1 stop
DUB07:45Dublin
25 Nov
DUB09:45Dublin
19h 38m
1 stop
STL23:23Lambert-St Louis
€374
Find similar
Delta
2 Dec
STL09:00Lambert-St Louis
16h 45m
1 stop
DUB07:45Dublin
9 Dec
DUB10:45Dublin
16h 02m
2 stops
STL20:47Lambert-St Louis
€379
Find similar
Delta
1 Dec
STL06:00Lambert-St Louis
19h 45m
1 stop
DUB07:45Dublin
8 Dec
DUB13:25Dublin
16h 17m
2 stops
STL23:42Lambert-St Louis
€394
Find similar

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 10 November 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 2/12

12:49-07:45

1 stop12h 56m

Dublin

Wed 10/12

10:45-16:35

1 stop11h 50m

€374

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Tue 2/12

06:39-07:45

2 stops19h 06m

Dublin

Tue 9/12

10:45-20:47

2 stops16h 02m

€379

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Mon 8/12

09:30-07:45

1 stop16h 15m

Dublin

Mon 15/12

10:45-16:35

1 stop11h 50m

€390

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 10/1

11:20-08:10

1 stop14h 50m

Dublin

Sat 17/1

09:00-22:00

2 stops43h 00m

€393

St. LouisDublin

STL - DUB

STLDUB

Lambert-St Louis

Sat 10/1

08:45-08:10

2 stops17h 25m

Dublin

Sat 17/1

09:00-20:58

2 stops41h 58m

€398

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 26/11

16:25-16:20

1 stop17h 55m

Dublin

Wed 3/12

11:30-18:02

1 stop12h 32m

€398

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 8/12

19:20-18:20

1 stop17h 00m

Dublin

Sat 13/12

10:10-16:45

1 stop12h 35m

€399

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 3/12

18:35-08:10

Nonstop7h 35m

Dublin

Wed 10/12

11:45-20:05

1 stop14h 20m

€399

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 24/1

19:20-11:45

1 stop34h 25m

Dublin

Tue 27/1

12:30-16:45

1 stop34h 15m

€400

ChicagoDublin

MDW - DUB

MDWDUB

Chicago Midway

Sun 1/3

13:49-07:45

1 stop11h 56m

Dublin

Sun 8/3

09:45-18:08

1 stop13h 23m

€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 €488.

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 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 €787 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 €608 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 €567 on momondo.

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

There is only 1 cabin class 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?

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

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

€495

Fastest flight time

7h 20m

Direct flights

Every day

Airports in Dublin

1 airport
The best flight deal from Illinois to Dublin found on momondo in the last 72 hours is €495
The fastest flight from Illinois to Dublin takes 7h 20m
Direct flights go from Illinois to Dublin every day.
There is 1 airport near Dublin: Dublin (DUB)
Search flight deals

  • 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 €310Free CancellationRating
7.2
1,366 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €495Free CancellationRating
7.4
9,011 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
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 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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