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Cheap flights from Dublin to Illinois from €372

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Illinois departing on 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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Scandinavian Airlines Logo
12:30 - 16:45
DUB
-
ORD
58h 15m2 stops
Scandinavian Airlines Logo
19:20 - 11:45
ORD
-
DUB
34h 25m1 stop
€401Scandinavian Airlines
Mon, 26 Jan - Mon, 2 Feb
Scandinavian Airlines Logo
11:30 - 16:55
DUB
-
ORD
35h 25m2 stops
Scandinavian Airlines Logo
19:20 - 18:10
ORD
-
DUB
16h 50m2 stops
€402Scandinavian Airlines
Thu, 29 Jan - Thu, 5 Feb
Multiple Airlines Logo
20:20 - 22:42
DUB
-
ORD
32h 22m2 stops
Multiple Airlines Logo
20:43 - 11:20
ORD
-
DUB
32h 37m3 stops
€403Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
19:05 - 22:42
DUB
-
ORD
33h 37m2 stops
Multiple Airlines Logo
05:15 - 19:35
ORD
-
DUB
32h 20m3 stops
€411Multiple Airlines
Fri, 23 Jan - Thu, 29 Jan
Multiple Airlines Logo
19:05 - 22:42
DUB
-
ORD
33h 37m3 stops
Multiple Airlines Logo
20:43 - 11:20
ORD
-
DUB
32h 37m3 stops
€412Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Icelandair Logo
11:30 - 17:20
DUB
-
ORD
11h 50m1 stop
Icelandair Logo
18:30 - 10:15
ORD
-
DUB
9h 45m1 stop
€426Icelandair
Tue, 13 Jan - Tue, 20 Jan
Lufthansa Logo
05:10 - 13:55
DUB
-
STL
14h 45m1 stop
Lufthansa Logo
17:41 - 09:55
STL
-
DUB
11h 14m1 stop
€776Lufthansa
Fri, 6 Mar - Sun, 8 Mar
British Airways Logo
07:35 - 18:34
DUB
-
STL
16h 59m2 stops
British Airways Logo
13:35 - 11:15
STL
-
DUB
15h 40m2 stops
€786British Airways
Thu, 29 Jan - Thu, 5 Feb
Lufthansa Logo
05:10 - 13:55
DUB
-
STL
14h 45m1 stop
Lufthansa Logo
13:15 - 08:10
STL
-
DUB
12h 55m1 stop
€787Lufthansa
Fri, 30 Jan - Fri, 6 Feb
American Airlines Logo
10:30 - 23:28
DUB
-
STL
18h 58m2 stops
American Airlines Logo
14:32 - 17:05
STL
-
DUB
21h 33m2 stops
€810American Airlines
Thu, 5 Mar - Mon, 9 Mar

Scandinavian Airlines flights from Dublin to Illinois

Our best Scandinavian Airlines deals on Dublin to Illinois flight tickets
Scandinavian Airlines
26 Jan
DUB12:30Dublin
58h 15m
2 stops
ORD16:45Chicago O'Hare Intl
2 Feb
ORD19:20Chicago O'Hare Intl
57h 10m
2 stops
DUB10:30Dublin
€401
Find similar
Scandinavian Airlines
29 Jan
DUB11:30Dublin
35h 25m
2 stops
ORD16:55Chicago O'Hare Intl
5 Feb
ORD19:20Chicago O'Hare Intl
16h 50m
2 stops
DUB18:10Dublin
€402
Find similar
Scandinavian Airlines
12 Feb
DUB11:15Dublin
35h 30m
2 stops
ORD16:45Chicago O'Hare Intl
12 Mar
ORD20:20Chicago O'Hare Intl
58h 00m
2 stops
DUB11:20Dublin
€414
Find similar

Icelandair flights from Dublin to Illinois

Our best Icelandair deals on Dublin to Illinois flight tickets
Icelandair
13 Jan
DUB11:30Dublin
11h 50m
1 stop
ORD17:20Chicago O'Hare Intl
20 Jan
ORD18:30Chicago O'Hare Intl
9h 45m
1 stop
DUB10:15Dublin
€426
Find similar
Icelandair
3 Feb
DUB11:30Dublin
11h 50m
1 stop
ORD17:20Chicago O'Hare Intl
10 Feb
ORD18:30Chicago O'Hare Intl
9h 45m
1 stop
DUB10:15Dublin
€460
Find similar
Icelandair
3 Feb
DUB11:30Dublin
11h 50m
1 stop
ORD17:20Chicago O'Hare Intl
10 Feb
ORD18:30Chicago O'Hare Intl
9h 45m
1 stop
DUB10:15Dublin
€461
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Dublin to Illinois 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 17 December 2025.
Use the filters below to find and compare flights from Dublin to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 26/1

12:30-16:45

2 stops58h 15m

Chicago O'Hare Intl

Mon 2/2

19:20-11:45

1 stop34h 25m

€401

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 29/1

11:30-16:55

2 stops35h 25m

Chicago O'Hare Intl

Thu 5/2

19:20-18:10

2 stops16h 50m

€402

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 30/1

20:20-22:42

2 stops32h 22m

Chicago O'Hare Intl

Fri 6/2

20:43-11:20

3 stops32h 37m

€403

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 23/1

19:05-22:42

2 stops33h 37m

Chicago O'Hare Intl

Thu 29/1

05:15-19:35

3 stops32h 20m

€411

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 30/1

19:05-22:42

3 stops33h 37m

Chicago O'Hare Intl

Fri 6/2

20:43-11:20

3 stops32h 37m

€412

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 13/1

11:30-17:20

1 stop11h 50m

Chicago O'Hare Intl

Tue 20/1

18:30-10:15

1 stop9h 45m

€426

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 6/3

05:10-13:55

1 stop14h 45m

Lambert-St Louis

Sun 8/3

17:41-09:55

1 stop11h 14m

€776

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 29/1

07:35-18:34

2 stops16h 59m

Lambert-St Louis

Thu 5/2

13:35-11:15

2 stops15h 40m

€786

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 30/1

05:10-13:55

1 stop14h 45m

Lambert-St Louis

Fri 6/2

13:15-08:10

1 stop12h 55m

€787

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 5/3

10:30-23:28

2 stops18h 58m

Lambert-St Louis

Mon 9/3

14:32-17:05

2 stops21h 33m

€810

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 Illinois from

How to get the cheapest flight ticket from Dublin to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Dublin is in September. Flight prices, which tend to average around €400, are often lower during this time because this is during the off-season. If you’re not able to fly to Illinois in September, then November is your next best option. Flight prices from Dublin to Illinois during November average around €401.

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

According to our data, Thursday is the cheapest day to fly to Illinois from Dublin. The lowest ticket price found for a Thursday departure recently was €618. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Tuesday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €723.

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

According to our data, the cheapest time of day to fly to Illinois is in the evening. momondo users have found flights departing from Dublin to Illinois in the evening for as low as €515. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at midday because they tend to be around €665. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Dublin to Illinois flight route?

Fly from Dublin to Chicago O'Hare Intl for the best Dublin - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around €515 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Dublin for as low as €461 on momondo.

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

There are 3 cabin classes available to choose from on Dublin to Illinois 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 Dublin to Illinois flights?

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

Cheap Dublin to Illinois flight deals and tips

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

Best price found

€376

Fastest flight time

8h 00m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Dublin in the past 72 hours is €376. The best return flight deal from Dublin to Illinois found on momondo in the last 72 hours is €529.
The fastest flight from Dublin to Illinois takes 8h 00m
Direct flights go from Dublin to Illinois every day.
There are 98 airports in Illinois. From Dublin there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Dublin Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents required for your trip to Illinois 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 Illinois. 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 Dublin to Illinois?

Best airlines flying from Dublin to Illinois

Compare and see reviews for airlines that fly from Dublin to Illinois with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom €376Free CancellationRating
7.0
591 reviews
Search Icelandair flights
Aer LingusPriceFrom €388Free CancellationRating
7.2
1,395 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €394Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
British AirwaysPriceFrom €397Free CancellationRating
6.7
7,583 reviews
Search British Airways flights
American AirlinesPriceFrom €507Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights

Why use momondo?

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

Finding the right flight to Illinois from Dublin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

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

Flights from Dublin to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Dublin.

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

Of course. momondo tracks the price of Dublin to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Illinois trip

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Find better results for your trip to Illinois

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