Cheap flights from Dublin to Illinois from €363

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 15/12. 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

Scandinavian Airlines Logo
19:05 - 21:05DUB-ORD
31h 00m1 stop
Scandinavian Airlines Logo
19:20 - 11:45ORD-DUB
34h 25m1 stop
€370Scandinavian Airlines
Find Deal
Tue, 28 Oct - Wed, 5 Nov
Scandinavian Airlines Logo
19:05 - 17:45DUB-ORD
27h 40m1 stop
Scandinavian Airlines Logo
19:20 - 11:45ORD-DUB
34h 25m1 stop
€371Scandinavian Airlines
Find Deal
Thu, 30 Oct - Wed, 5 Nov
Scandinavian Airlines Logo
12:30 - 21:05DUB-ORD
13h 35m1 stop
Scandinavian Airlines Logo
19:20 - 19:35ORD-DUB
18h 15m2 stops
€371Scandinavian Airlines
Find Deal
Wed, 29 Oct - Sun, 2 Nov
British Airways Logo
10:45 - 17:00DUB-ORD
12h 15m1 stop
British Airways Logo
20:40 - 19:40ORD-DUB
17h 00m1 stop
€373British Airways
Find Deal
Sun, 2 Nov - Sun, 9 Nov
British Airways Logo
16:00 - 15:25DUB-ORD
29h 25m1 stop
British Airways Logo
18:30 - 12:15ORD-DUB
11h 45m1 stop
€375British Airways
Find Deal
Mon, 3 Nov - Sun, 9 Nov
American Airlines Logo
10:55 - 17:45DUB-ORD
11h 50m1 stop
American Airlines Logo
14:50 - 12:10ORD-DUB
15h 20m2 stops
€382American Airlines
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Aer Lingus Logo
11:35 - 14:00DUB-ORD
8h 25mdirect
Aer Lingus Logo
21:15 - 10:40ORD-DUB
7h 25mdirect
€390Aer Lingus
Find Deal
Wed, 15 Oct - Wed, 22 Oct
United Airlines Logo
09:20 - 15:00DUB-ORD
35h 40m1 stop
United Airlines Logo
20:15 - 07:10ORD-DUB
28h 55m1 stop
€391United Airlines
Find Deal
Fri, 24 Oct - Mon, 3 Nov
United Airlines Logo
09:20 - 20:04DUB-ORD
16h 44m1 stop
United Airlines Logo
13:17 - 07:20ORD-DUB
12h 03m1 stop
€393United Airlines
Find Deal
Fri, 17 Oct - Fri, 24 Oct
American Airlines Logo
15:25 - 13:50DUB-ORD
28h 25m1 stop
American Airlines Logo
08:37 - 05:30ORD-DUB
14h 53m1 stop
€402American Airlines
Find Deal
Thu, 2 Oct - Mon, 6 Oct

Lufthansa flights from Dublin to Illinois

Our best Lufthansa deals on Dublin to Illinois flight tickets
Lufthansa
5 Nov
DUB05:10Dublin
20h 55m
1 stop
ORD20:05Chicago O'Hare Intl
11 Nov
ORD21:50Chicago O'Hare Intl
13h 20m
1 stop
DUB17:10Dublin
Lufthansa
31 Oct
DUB11:55Dublin
14h 10m
1 stop
ORD21:05Chicago O'Hare Intl
7 Nov
ORD18:35Chicago O'Hare Intl
7h 35m
DUB08:10Dublin
Lufthansa
2 Nov
DUB05:10Dublin
20h 55m
1 stop
ORD21:05Chicago O'Hare Intl
9 Nov
ORD18:35Chicago O'Hare Intl
7h 35m
DUB08:10Dublin

Delta flights from Dublin to Illinois

Our best Delta deals on Dublin to Illinois flight tickets
Delta
31 Oct
DUB05:55Dublin
14h 25m
1 stop
ORD15:20Chicago O'Hare Intl
4 Nov
ORD16:15Chicago O'Hare Intl
17h 30m
2 stops
DUB15:45Dublin
Delta
13 Oct
DUB05:55Dublin
14h 45m
1 stop
ORD14:40Chicago O'Hare Intl
21 Oct
ORD10:36Chicago O'Hare Intl
15h 39m
2 stops
DUB08:15Dublin
Delta
31 Oct
DUB05:55Dublin
17h 12m
2 stops
ORD18:07Chicago O'Hare Intl
7 Nov
ORD17:20Chicago O'Hare Intl
16h 25m
1 stop
DUB15:45Dublin

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 September 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 28/10

19:05-21:05

1 stop31h 00m

Chicago O'Hare Intl

Wed 5/11

19:20-11:45

1 stop34h 25m

€370

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 30/10

19:05-17:45

1 stop27h 40m

Chicago O'Hare Intl

Wed 5/11

19:20-11:45

1 stop34h 25m

€371

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 29/10

12:30-21:05

1 stop13h 35m

Chicago O'Hare Intl

Sun 2/11

19:20-19:35

2 stops18h 15m

€371

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 2/11

10:45-17:00

1 stop12h 15m

Chicago O'Hare Intl

Sun 9/11

20:40-19:40

1 stop17h 00m

€373

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/11

16:00-15:25

1 stop29h 25m

Chicago O'Hare Intl

Sun 9/11

18:30-12:15

1 stop11h 45m

€375

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 28/10

10:55-17:45

1 stop11h 50m

Chicago O'Hare Intl

Tue 4/11

14:50-12:10

2 stops15h 20m

€382

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 15/10

11:35-14:00

Nonstop8h 25m

Chicago O'Hare Intl

Wed 22/10

21:15-10:40

Nonstop7h 25m

€390

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 24/10

09:20-15:00

1 stop35h 40m

Chicago O'Hare Intl

Mon 3/11

20:15-07:10

1 stop28h 55m

€391

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 17/10

09:20-20:04

1 stop16h 44m

Chicago O'Hare Intl

Fri 24/10

13:17-07:20

1 stop12h 03m

€393

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 2/10

15:25-13:50

1 stop28h 25m

Chicago O'Hare Intl

Mon 6/10

08:37-05:30

1 stop14h 53m

€402

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 January. Flight prices, which tend to average around €420, are often lower during this time because this is during the off-season. If you’re not able to fly to Illinois in January, then September is your next best option. Flight prices from Dublin to Illinois during September average around €430.

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 €607. 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, Sunday 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 €709.

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 €512. 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 €670. 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 €511 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 €452 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 57% 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

€681

Fastest flight time

8h 00m

Direct flights

Every day

Airports in Illinois

1 airport
The best one-way flight to Illinois from Dublin in the past 72 hours is €681. The best return flight deal from Dublin to Illinois found on momondo in the last 72 hours is €462.
The fastest flight from Dublin to Illinois takes 8h 00m
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
IcelandairPriceFrom €348Free CancellationRating
7.0
545 reviews
Search Icelandair flights
United AirlinesPriceFrom €350Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Aer LingusPriceFrom €378Free CancellationRating
7.2
1,277 reviews
Search Aer Lingus flights
British AirwaysPriceFrom €394Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
American AirlinesPriceFrom €430Free CancellationRating
7.2
10,000 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.

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1 adult
Sat 18/10
Sat 25/10

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Popular Cities in Illinois

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