Cheap flights from Dublin to Illinois from $437

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 2/16. 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 round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
12:30 pm - 4:45 pm
DUB
-
ORD
58h 15m2 stops
Scandinavian Airlines Logo
7:10 pm - 6:20 pm
ORD
-
DUB
17h 10m1 stop
$474Scandinavian Airlines
Mon, Jan 12 - Sun, Jan 18
Scandinavian Airlines Logo
8:20 pm - 4:45 pm
DUB
-
ORD
50h 25m2 stops
Scandinavian Airlines Logo
7:20 pm - 6:10 pm
ORD
-
DUB
16h 50m2 stops
$475Scandinavian Airlines
Mon, Feb 2 - Thu, Feb 5
Delta Logo
5:55 am - 5:34 pm
DUB
-
MDW
17h 39m2 stops
Delta Logo
1:29 pm - 3:45 pm
MDW
-
DUB
20h 16m2 stops
$533Delta
Thu, Jan 15 - Wed, Jan 21
Multiple Airlines Logo
8:50 am - 5:55 pm
DUB
-
MDW
15h 05m2 stops
Multiple Airlines Logo
6:35 pm - 3:45 pm
MDW
-
DUB
15h 10m2 stops
$534Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
Delta Logo
5:55 am - 6:37 pm
DUB
-
MDW
18h 42m2 stops
Delta Logo
9:34 am - 8:45 am
MDW
-
DUB
17h 11m2 stops
$536Delta
Thu, Feb 12 - Thu, Feb 26
Multiple Airlines Logo
10:30 am - 11:59 pm
DUB
-
STL
42h 29m2 stops
Multiple Airlines Logo
1:30 pm - 5:05 am
STL
-
DUB
10h 35m1 stop
$848Multiple Airlines
Sat, Mar 14 - Sat, Mar 28
American Airlines Logo
10:30 am - 11:28 pm
DUB
-
STL
18h 58m2 stops
American Airlines Logo
6:33 pm - 5:05 pm
STL
-
DUB
16h 32m2 stops
$879American Airlines
Thu, Feb 26 - Mon, Mar 2
American Airlines Logo
10:30 am - 11:28 pm
DUB
-
STL
18h 58m2 stops
American Airlines Logo
10:04 am - 9:50 am
STL
-
DUB
17h 46m2 stops
$880American Airlines
Thu, Feb 26 - Mon, Mar 2
British Airways Logo
10:55 am - 9:15 pm
DUB
-
STL
16h 20m2 stops
British Airways Logo
6:46 pm - 2:20 pm
STL
-
DUB
13h 34m2 stops
$883British Airways
Tue, Feb 3 - Tue, Feb 10
British Airways Logo
10:45 am - 11:12 pm
DUB
-
STL
18h 27m2 stops
British Airways Logo
3:54 pm - 3:05 pm
STL
-
DUB
17h 11m2 stops
$910British Airways
Sun, Feb 1 - Sun, Feb 8

Scandinavian Airlines flights from Dublin to Illinois

Our best Scandinavian Airlines deals on Dublin to Illinois flight tickets
Scandinavian Airlines
Jan 12
DUB12:30 pmDublin
58h 15m
2 stops
ORD4:45 pmChicago O'Hare Intl
Jan 19
ORD7:20 pmChicago O'Hare Intl
34h 25m
1 stop
DUB11:45 amDublin
Scandinavian Airlines
Feb 2
DUB8:20 pmDublin
50h 25m
2 stops
ORD4:45 pmChicago O'Hare Intl
Feb 5
ORD7:20 pmChicago O'Hare Intl
16h 50m
2 stops
DUB6:10 pmDublin
Scandinavian Airlines
Jan 15
DUB11:30 amDublin
35h 15m
2 stops
ORD4:45 pmChicago O'Hare Intl
Jan 21
ORD7:20 pmChicago O'Hare Intl
17h 00m
1 stop
DUB6:20 pmDublin

Aer Lingus flights from Dublin to Illinois

Our best Aer Lingus deals on Dublin to Illinois flight tickets
Aer Lingus
Mar 1
DUB4:40 pmDublin
8h 35m
ORD7:15 pmChicago O'Hare Intl
Mar 11
ORD8:40 pmChicago O'Hare Intl
7h 20m
DUB9:00 amDublin
Aer Lingus
Jan 12
DUB4:40 pmDublin
8h 35m
ORD7:15 pmChicago O'Hare Intl
Jan 18
ORD9:00 pmChicago O'Hare Intl
7h 20m
DUB10:20 amDublin
Aer Lingus
Feb 2
DUB4:40 pmDublin
8h 35m
ORD7:15 pmChicago O'Hare Intl
Feb 9
ORD9:00 pmChicago O'Hare Intl
7h 20m
DUB10:20 amDublin

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated December 21, 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 1/12

12:30 pm-4:45 pm

2 stops58h 15m

Chicago O'Hare Intl

Sun 1/18

7:10 pm-6:20 pm

1 stop17h 10m

$474

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 2/2

8:20 pm-4:45 pm

2 stops50h 25m

Chicago O'Hare Intl

Thu 2/5

7:20 pm-6:10 pm

2 stops16h 50m

$475

DublinChicago

DUB - MDW

DUBMDW

Dublin

Thu 1/15

5:55 am-5:34 pm

2 stops17h 39m

Chicago Midway

Wed 1/21

1:29 pm-3:45 pm

2 stops20h 16m

$533

DublinChicago

DUB - MDW

DUBMDW

Dublin

Tue 2/3

8:50 am-5:55 pm

2 stops15h 05m

Chicago Midway

Tue 2/10

6:35 pm-3:45 pm

2 stops15h 10m

$534

DublinChicago

DUB - MDW

DUBMDW

Dublin

Thu 2/12

5:55 am-6:37 pm

2 stops18h 42m

Chicago Midway

Thu 2/26

9:34 am-8:45 am

2 stops17h 11m

$536

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 3/14

10:30 am-11:59 pm

2 stops42h 29m

Lambert-St Louis

Sat 3/28

1:30 pm-5:05 am

1 stop10h 35m

$848

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 2/26

10:30 am-11:28 pm

2 stops18h 58m

Lambert-St Louis

Mon 3/2

6:33 pm-5:05 pm

2 stops16h 32m

$879

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 2/26

10:30 am-11:28 pm

2 stops18h 58m

Lambert-St Louis

Mon 3/2

10:04 am-9:50 am

2 stops17h 46m

$880

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Tue 2/3

10:55 am-9:15 pm

2 stops16h 20m

Lambert-St Louis

Tue 2/10

6:46 pm-2:20 pm

2 stops13h 34m

$883

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sun 2/1

10:45 am-11:12 pm

2 stops18h 27m

Lambert-St Louis

Sun 2/8

3:54 pm-3:05 pm

2 stops17h 11m

$910

Flights are sorted by cheapest round-trip flights 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 $470, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $472.

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

The cheapest day to depart from Dublin to Illinois is on a Sunday when prices can be found for as low as $676. Flights from Dublin to Illinois on a Thursday will generally be more expensive and average around $801. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Dublin to Illinois during this time can be as low as $704. Flights at noon are often more expensive with an average ticket price of $818.

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 $605 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Dublin for as low as $542 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?

You could potentially save up to 6% on your flight if you consider stops on a Dublin to Illinois flight.

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

$485

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 $485. The best round-trip flight deal from Dublin to Illinois found on momondo in the last 72 hours is $645.
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).
  • When did momondo last update prices for flights from Dublin Airport to Illinois?

    Prices for flights from Dublin Airport to Illinois were last updated today.

  • 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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 $388Free CancellationRating
7.0
592 reviews
Search Icelandair flights
LufthansaPriceFrom $411Free CancellationRating
6.8
7,639 reviews
Search Lufthansa flights
Aer LingusPriceFrom $455Free CancellationRating
7.2
1,406 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $479Free CancellationRating
7.4
9,099 reviews
Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Dublin.

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

Yes. momondo allows you to filter the results for Dublin to Illinois flights to just show those with flexible booking policies.

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

Once all potential Dublin to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Dublin to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

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1 adult
Tue 1/20
Tue 1/27

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