Cheap flights from Dublin to Illinois from €284

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 14/1. 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

Enter your travel dates to find the best prices.
British Airways Logo
08:35 - 15:55DUB-ORD
13h 20m1 stop
British Airways Logo
17:00 - 09:50ORD-DUB
10h 50m1 stop
€402British Airways
Find Deal
Tue, 31 Mar - Tue, 7 Apr
British Airways Logo
08:50 - 20:10DUB-ORD
17h 20m2 stops
British Airways Logo
15:27 - 14:20ORD-DUB
16h 53m2 stops
€403British Airways
Find Deal
Thu, 8 Jan - Tue, 3 Feb
Scandinavian Airlines Logo
19:05 - 16:45DUB-ORD
27h 40m1 stop
Scandinavian Airlines Logo
20:20 - 18:20ORD-DUB
17h 00m1 stop
€404Scandinavian Airlines
Find Deal
Fri, 27 Feb - Wed, 11 Mar
Aer Lingus Logo
16:40 - 19:15DUB-ORD
8h 35mdirect
Aer Lingus Logo
21:00 - 10:20ORD-DUB
7h 20mdirect
€410Aer Lingus
Find Deal
Fri, 20 Feb - Fri, 27 Feb
American Airlines Logo
10:20 - 17:00DUB-ORD
12h 40m1 stop
American Airlines Logo
16:55 - 08:40ORD-DUB
9h 45m1 stop
€413American Airlines
Find Deal
Wed, 3 Dec - Fri, 12 Dec
American Airlines Logo
10:20 - 17:00DUB-ORD
12h 40m1 stop
American Airlines Logo
08:29 - 08:40ORD-DUB
18h 11m1 stop
€414American Airlines
Find Deal
Wed, 3 Dec - Sat, 13 Dec
Lufthansa Logo
05:10 - 13:55DUB-STL
14h 45m1 stop
Lufthansa Logo
11:50 - 07:30STL-DUB
13h 40m1 stop
€786Lufthansa
Find Deal
Fri, 28 Nov - Thu, 11 Dec
Lufthansa Logo
05:10 - 19:16DUB-STL
20h 06m2 stops
Lufthansa Logo
11:50 - 07:30STL-DUB
13h 40m1 stop
€793Lufthansa
Find Deal
Fri, 28 Nov - Thu, 11 Dec
United Airlines Logo
09:00 - 15:29DUB-STL
12h 29m1 stop
United Airlines Logo
11:25 - 07:30STL-DUB
14h 05m2 stops
€802United Airlines
Find Deal
Fri, 28 Nov - Thu, 11 Dec
United Airlines Logo
09:00 - 19:39DUB-STL
16h 39m2 stops
United Airlines Logo
11:25 - 07:30STL-DUB
14h 05m2 stops
€806United Airlines
Find Deal
Fri, 28 Nov - Thu, 11 Dec

British Airways flights from Dublin to Illinois

Our best British Airways deals on Dublin to Illinois flight tickets
British Airways
31 Mar
DUB08:35Dublin
15h 40m
1 stop
ORD18:15Chicago O'Hare Intl
7 Apr
ORD19:05Chicago O'Hare Intl
10h 50m
1 stop
DUB11:55Dublin
British Airways
8 Jan
DUB08:50Dublin
17h 20m
2 stops
ORD20:10Chicago O'Hare Intl
4 Feb
ORD18:25Chicago O'Hare Intl
16h 35m
1 stop
DUB17:00Dublin

Scandinavian Airlines flights from Dublin to Illinois

Our best Scandinavian Airlines deals on Dublin to Illinois flight tickets
Scandinavian Airlines
27 Feb
DUB19:05Dublin
27h 40m
1 stop
ORD16:45Chicago O'Hare Intl
7 Mar
ORD19:20Chicago O'Hare Intl
17h 00m
1 stop
DUB18:20Dublin
Scandinavian Airlines
27 Feb
DUB19:05Dublin
27h 40m
1 stop
ORD16:45Chicago O'Hare Intl
11 Mar
ORD20:20Chicago O'Hare Intl
17h 00m
1 stop
DUB18:20Dublin
Scandinavian Airlines
11 Jan
DUB10:55Dublin
35h 50m
2 stops
ORD16:45Chicago O'Hare Intl
22 Jan
ORD19:20Chicago O'Hare Intl
32h 05m
1 stop
DUB09:25Dublin

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 18 November 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

Tue 31/3

08:35-15:55

1 stop13h 20m

Chicago O'Hare Intl

Tue 7/4

17:00-09:50

1 stop10h 50m

€402

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 8/1

08:50-20:10

2 stops17h 20m

Chicago O'Hare Intl

Tue 3/2

15:27-14:20

2 stops16h 53m

€403

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 27/2

19:05-16:45

1 stop27h 40m

Chicago O'Hare Intl

Wed 11/3

20:20-18:20

1 stop17h 00m

€404

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 20/2

16:40-19:15

Nonstop8h 35m

Chicago O'Hare Intl

Fri 27/2

21:00-10:20

Nonstop7h 20m

€410

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 3/12

10:20-17:00

1 stop12h 40m

Chicago O'Hare Intl

Fri 12/12

16:55-08:40

1 stop9h 45m

€413

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 3/12

10:20-17:00

1 stop12h 40m

Chicago O'Hare Intl

Sat 13/12

08:29-08:40

1 stop18h 11m

€414

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 28/11

05:10-13:55

1 stop14h 45m

Lambert-St Louis

Thu 11/12

11:50-07:30

1 stop13h 40m

€786

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 28/11

05:10-19:16

2 stops20h 06m

Lambert-St Louis

Thu 11/12

11:50-07:30

1 stop13h 40m

€793

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 28/11

09:00-15:29

1 stop12h 29m

Lambert-St Louis

Thu 11/12

11:25-07:30

2 stops14h 05m

€802

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 28/11

09:00-19:39

2 stops16h 39m

Lambert-St Louis

Thu 11/12

11:25-07:30

2 stops14h 05m

€806

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 €407, 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 €412.

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

According to our data, Wednesday is the cheapest day to fly to Illinois from Dublin. The lowest ticket price found for a Wednesday departure recently was €633. 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 €730.

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 €523. 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 €680. 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 €519 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 €467 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

€395

Fastest flight time

8h 05m

Direct flights

Every day

Airports in Illinois

1 airport
The best one-way flight to Illinois from Dublin in the past 72 hours is €395. The best return flight deal from Dublin to Illinois found on momondo in the last 72 hours is €593.
The fastest flight from Dublin to Illinois takes 8h 05m
Direct flights go from Dublin to Illinois every day.
There is 1 airport near Illinois: 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 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
United AirlinesPriceFrom €358Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
IcelandairPriceFrom €377Free CancellationRating
7.0
580 reviews
Search Icelandair flights
Aer LingusPriceFrom €391Free CancellationRating
7.2
1,373 reviews
Search Aer Lingus flights
British AirwaysPriceFrom €402Free CancellationRating
6.7
7,528 reviews
Search British Airways flights
American AirlinesPriceFrom €514Free CancellationRating
7.2
11,047 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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1 adult
Thu 18/12
Thu 25/12

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Popular Cities in Illinois

Popular flights according to clicks in the last 7 days on momondo