How many flights depart from Dublin to Illinois on average per day?

As of June 2026, 17 flights take off from Dublin and land in Illinois each day. The most common flight departure time for this route is 11:00, with 77% of daily flights taking off at midday.

Which airlines fly to Illinois?

Aer Lingus, United Airlines and Finnair are the top three most popular airlines that fly to Illinois from Dublin according to our data. Aer Lingus is the first choice among our users, with 75% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How many flights depart from Dublin to Illinois on average per week?

As of June 2026, 124 flights take off from Dublin and land in Illinois each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

What is the cheapest airline that flies from Dublin to Illinois?

JetBlue, WestJet, and Delta are the most popular carriers operating from Dublin to Illinois

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?

The number of operators available for flights from Dublin Airport to Illinois is 4 as of June 2026.

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.

€351 Cheap Flights from Dublin to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Find the cheapest flights from Dublin to Illinois

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

08:50 - 20:12

DUB

ORD

17h 22m

2 stops

10:40 - 08:15

ORD

DUB

15h 35m

2 stops

€545Multiple Airlines

Wed, 23 Sep - Fri, 2 Oct

06:05 - 12:55

DUB

ORD

12h 50m

1 stop

10:40 - 08:15

ORD

DUB

15h 35m

2 stops

€546Multiple Airlines

Mon, 14 Sep - Sat, 26 Sep

05:55 - 18:33

DUB

MDW

18h 38m

2 stops

17:45 - 10:00

MDW

DUB

10h 15m

1 stop

€546Delta

Tue, 25 Aug - Mon, 31 Aug

08:55 - 18:01

DUB

MDW

15h 06m

2 stops

18:42 - 10:00

MDW

DUB

9h 18m

1 stop

€547Delta

Tue, 25 Aug - Sun, 30 Aug

09:50 - 14:36

DUB

ORD

34h 46m

1 stop

12:16 - 08:15

ORD

DUB

13h 59m

2 stops

€547Air Canada

Sun, 30 Aug - Sat, 19 Sep

11:35 - 13:40

DUB

ORD

8h 05mdirect

15:00 - 11:10

ORD

DUB

14h 10m

1 stop

€551United Airlines

Wed, 23 Sep - Fri, 2 Oct

11:35 - 13:40

DUB

ORD

8h 05mdirect

20:20 - 09:45

ORD

DUB

7h 25mdirect

€552United Airlines

Wed, 23 Sep - Fri, 2 Oct

15:50 - 19:25

DUB

ORD

8h 35mdirect

17:10 - 09:50

ORD

DUB

10h 40m

1 stop

€553Aer Lingus

Sat, 31 Oct - Mon, 2 Nov

11:30 - 20:21

DUB

STL

14h 51m

1 stop

06:00 - 08:30

STL

DUB

20h 30m

1 stop

€857American Airlines

Thu, 3 Dec - Sun, 6 Dec

11:30 - 21:47

DUB

STL

16h 17m

2 stops

06:00 - 08:30

STL

DUB

20h 30m

1 stop

€858American Airlines

Thu, 3 Dec - Sun, 6 Dec

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Air Canada flights from Dublin to Illinois

Our best Air Canada deals on Dublin to Illinois flight tickets

Air Canada

30 Aug

DUB09:50Dublin

34h 46m

1 stop

ORD14:36Chicago O'Hare Intl

19 Sept

ORD12:16Chicago O'Hare Intl

13h 59m

2 stops

DUB08:15Dublin

€547

Air Canada

1 Sept

DUB09:50Dublin

13h 07m

2 stops

ORD16:57Chicago O'Hare Intl

28 Sept

ORD12:59Chicago O'Hare Intl

12h 46m

2 stops

DUB07:45Dublin

€549

Air Canada

31 Aug

DUB09:50Dublin

16h 39m

2 stops

ORD20:29Chicago O'Hare Intl

17 Sept

ORD15:45Chicago O'Hare Intl

10h 30m

1 stop

DUB08:15Dublin

€550

American Airlines flights from Dublin to Illinois

Our best American Airlines deals on Dublin to Illinois flight tickets

American Airlines

30 Aug

DUB13:45Dublin

13h 56m

2 stops

ORD21:41Chicago O'Hare Intl

17 Sept

ORD11:40Chicago O'Hare Intl

12h 50m

1 stop

DUB06:30Dublin

€585

American Airlines

6 Jul

DUB09:30Dublin

8h 00m

ORD11:30Chicago O'Hare Intl

13 Jul

ORD12:00Chicago O'Hare Intl

15h 35m

1 stop

DUB09:35Dublin

€654

American Airlines

6 Jul

DUB09:30Dublin

8h 00m

ORD11:30Chicago O'Hare Intl

13 Jul

ORD22:20Chicago O'Hare Intl

7h 30m

DUB11:50Dublin

€655

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 23/9

08:50-20:12

2 stops17h 22m

Chicago O'Hare Intl

Fri 2/10

10:40-08:15

2 stops15h 35m

€545

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 14/9

06:05-12:55

1 stop12h 50m

Chicago O'Hare Intl

Sat 26/9

10:40-08:15

2 stops15h 35m

€546

DublinChicago

DUB - MDW

DUBMDW

Dublin

Tue 25/8

05:55-18:33

2 stops18h 38m

Chicago Midway

Mon 31/8

17:45-10:00

1 stop10h 15m

€546

DublinChicago

DUB - MDW

DUBMDW

Dublin

Tue 25/8

08:55-18:01

2 stops15h 06m

Chicago Midway

Sun 30/8

18:42-10:00

1 stop9h 18m

€547

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 30/8

09:50-14:36

1 stop34h 46m

Chicago O'Hare Intl

Sat 19/9

12:16-08:15

2 stops13h 59m

€547

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 23/9

11:35-13:40

Nonstop8h 05m

Chicago O'Hare Intl

Fri 2/10

15:00-11:10

1 stop14h 10m

€551

Fastest return journey

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 23/9

11:35-13:40

Nonstop8h 05m

Chicago O'Hare Intl

Fri 2/10

20:20-09:45

Nonstop7h 25m

€552

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 31/10

15:50-19:25

Nonstop8h 35m

Chicago O'Hare Intl

Mon 2/11

17:10-09:50

1 stop10h 40m

€553

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 3/12

11:30-20:21

1 stop14h 51m

Lambert-St Louis

Sun 6/12

06:00-08:30

1 stop20h 30m

€857

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Thu 3/12

11:30-21:47

2 stops16h 17m

Lambert-St Louis

Sun 6/12

06:00-08:30

1 stop20h 30m

€858

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 €239, 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 January is your next best option. Flight prices from Dublin to Illinois during January average around €320.

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 €644. 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 €791.

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 afternoon. momondo users have found flights departing from Dublin to Illinois in the afternoon for as low as €614. 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 €784. 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 from Dublin 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 €587 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 €503 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	€771
Fastest flight time	7h 59m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Dublin in the past 72 hours is €771. The best return flight deal from Dublin to Illinois found on momondo in the last 72 hours is €663.

The fastest flight from Dublin to Illinois takes 7h 59m

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

Frequently asked questions about flying from Dublin to Illinois

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?
The number of operators available for flights from Dublin Airport to Illinois is 4 as of June 2026.
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?
Based on momondo bookings for flights between Dublin and Illinois, the leading plane model is Boeing 787-8 Dreamliner, making up 28.40% of the total bookings. Other popular models include Airbus A330-300 with 28.23%, Boeing 787 Dreamliner with 17.12%, and Airbus A330 with 8.33%.

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
Aer Lingus	PriceFrom €408	Free Cancellation	Rating 7.3 1,622 reviews	Search Aer Lingus flights
Finnair	PriceFrom €412	Free Cancellation	Rating 7.6 1,415 reviews	Search Finnair flights
United Airlines	PriceFrom €415	Free Cancellation	Rating 7.4 9,881 reviews	Search United Airlines flights
American Airlines	PriceFrom €428	Free Cancellation	Rating 7.1 11,751 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.