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

As of August 2026, 18 flights take off from Dublin and land in Illinois each day. The most common flight departure time for this route is 11:00, with 78% of daily flights taking off at midday.

Which airlines fly to Illinois?

Aer Lingus, Finnair and United Airlines 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 68% 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.

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

WestJet is the most popular carrier operating from Dublin to Illinois

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

As of August 2026, 127 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.

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 August 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.

€327 Cheap Flights from Dublin to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

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.

19:50 - 16:10DUB Dublin-ORD Chicago O'Hare Intl

26h 20m2 stops Stockholm Arlanda Kastrup Copenhagen

19:15 - 19:05ORD Chicago O'Hare Intl-DUB Dublin

17h 50m2 stops Kastrup Copenhagen Stockholm Arlanda

€523Scandinavian Airlines

Thu, 1 Oct - Thu, 8 Oct

09:30 - 22:35DUB Dublin-ORD Chicago O'Hare Intl

19h 05m1 stop Philadelphia

16:45 - 09:35ORD Chicago O'Hare Intl-DUB Dublin

10h 50m1 stop Charlotte Douglas

€523Iberia

Fri, 18 Sep - Fri, 23 Oct

16:45 - 19:15DUB Dublin-ORD Chicago O'Hare Intl

8h 30mdirect

17:10 - 10:15ORD Chicago O'Hare Intl-DUB Dublin

11h 05m1 stop London Heathrow

€528Aer Lingus

Fri, 23 Oct - Wed, 20 Jan

11:30 - 14:00DUB Dublin-ORD Chicago O'Hare Intl

8h 30mdirect

21:50 - 15:25ORD Chicago O'Hare Intl-DUB Dublin

11h 35m1 stop London Heathrow

€529Aer Lingus

Thu, 12 Nov - Mon, 16 Nov

11:45 - 19:51DUB Dublin-ORD Chicago O'Hare Intl

14h 06m1 stop Charlotte Douglas

21:30 - 17:15ORD Chicago O'Hare Intl-DUB Dublin

13h 45m1 stop Helsinki-Vantaa

€530Finnair

Wed, 7 Oct - Tue, 13 Oct

11:45 - 19:51DUB Dublin-ORD Chicago O'Hare Intl

14h 06m1 stop Charlotte Douglas

21:30 - 17:15ORD Chicago O'Hare Intl-DUB Dublin

13h 45m1 stop Helsinki-Vantaa

€530Finnair

Wed, 7 Oct - Mon, 12 Oct

11:30 - 19:59DUB Dublin-ORD Chicago O'Hare Intl

14h 29m2 stops Philadelphia Washington, D.C. Reagan-National

21:50 - 14:20ORD Chicago O'Hare Intl-DUB Dublin

10h 30m1 stop London Heathrow

€587American Airlines

Sat, 21 Nov - Sun, 22 Nov

13:20 - 19:30DUB Dublin-ORD Chicago O'Hare Intl

12h 10m1 stop Toronto Pearson Intl

21:00 - 10:35ORD Chicago O'Hare Intl-DUB Dublin

7h 35mdirect

€629American Airlines

Thu, 8 Oct - Sun, 11 Oct

09:00 - 15:38DUB Dublin-ORD Chicago O'Hare Intl

12h 38m1 stop Toronto Pearson Intl

18:30 - 08:10ORD Chicago O'Hare Intl-DUB Dublin

7h 40mdirect

€631United Airlines

Sat, 21 Nov - Sun, 22 Nov

10:40 - 13:20DUB Dublin-ORD Chicago O'Hare Intl

8h 40mdirect

18:07 - 10:20ORD Chicago O'Hare Intl-DUB Dublin

10h 13m1 stop Washington, D.C. Dulles Intl

€631United Airlines

Mon, 9 Nov - Sat, 21 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:35 - 14:00DUB Dublin-ORD Chicago O'Hare Intl

8h 25mdirect

21:00 - 10:35ORD Chicago O'Hare Intl-DUB Dublin

7h 35mdirect

€689Aer Lingus

Sat, 22 Aug - Tue, 15 Sep

11:35 - 14:00DUB Dublin-ORD Chicago O'Hare Intl

8h 25mdirect

21:00 - 10:35ORD Chicago O'Hare Intl-DUB Dublin

7h 35mdirect

€697Aer Lingus

Sun, 23 Aug - Mon, 31 Aug

09:30 - 11:30DUB Dublin-ORD Chicago O'Hare Intl

8h 00mdirect

22:20 - 11:50ORD Chicago O'Hare Intl-DUB Dublin

7h 30mdirect

€699American Airlines

Sun, 23 Aug - Sat, 5 Sep

09:30 - 11:30DUB Dublin-ORD Chicago O'Hare Intl

8h 00mdirect

22:20 - 11:50ORD Chicago O'Hare Intl-DUB Dublin

7h 30mdirect

€699American Airlines

Sat, 22 Aug - Mon, 31 Aug

09:30 - 11:30DUB Dublin-ORD Chicago O'Hare Intl

8h 00mdirect

22:20 - 11:50ORD Chicago O'Hare Intl-DUB Dublin

7h 30mdirect

€699American Airlines

Sun, 23 Aug - Mon, 31 Aug

14:15 - 18:15DUB Dublin-ORD Chicago O'Hare Intl

10h 00m1 stop Reykjavik Keflavik Intl

19:25 - 11:05ORD Chicago O'Hare Intl-DUB Dublin

9h 40m1 stop Reykjavik Keflavik Intl

€745Icelandair

Sat, 22 Aug - Tue, 1 Sep

20:00 - 16:10DUB Dublin-ORD Chicago O'Hare Intl

26h 10m2 stops Stockholm Arlanda Kastrup Copenhagen

06:00 - 10:10ORD Chicago O'Hare Intl-DUB Dublin

22h 10m2 stops New York John F Kennedy Intl Oslo Gardermoen

€761Scandinavian Airlines

Sat, 22 Aug - Tue, 15 Sep

11:35 - 13:40DUB Dublin-ORD Chicago O'Hare Intl

8h 05mdirect

20:20 - 09:45ORD Chicago O'Hare Intl-DUB Dublin

7h 25mdirect

€763United Airlines

Sat, 22 Aug - Tue, 1 Sep

11:35 - 13:40DUB Dublin-ORD Chicago O'Hare Intl

8h 05mdirect

20:20 - 09:45ORD Chicago O'Hare Intl-DUB Dublin

7h 25mdirect

€763United Airlines

Sun, 23 Aug - Tue, 1 Sep

11:35 - 14:00DUB Dublin-ORD Chicago O'Hare Intl

8h 25mdirect

21:00 - 10:35ORD Chicago O'Hare Intl-DUB Dublin

7h 35mdirect

€823Aer Lingus

Fri, 21 Aug - Sun, 30 Aug

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Aer Lingus flights from Dublin to Illinois

Our best Aer Lingus deals on Dublin to Illinois flight tickets

Aer Lingus

12 Nov

DUB11:30Dublin

8h 30m

ORD14:00Chicago O'Hare Intl

16 Nov

ORD21:50Chicago O'Hare Intl

11h 35m

1 stop

DUB15:25Dublin

€529

Aer Lingus

20 Nov

DUB15:50Dublin

8h 35m

ORD18:25Chicago O'Hare Intl

2 Dec

ORD21:50Chicago O'Hare Intl

11h 50m

1 stop

DUB15:40Dublin

€536

Aer Lingus

16 Oct

DUB11:35Dublin

8h 25m

ORD14:00Chicago O'Hare Intl

19 Oct

ORD17:00Chicago O'Hare Intl

11h 15m

1 stop

DUB10:15Dublin

€539

Iberia flights from Dublin to Illinois

Our best Iberia deals on Dublin to Illinois flight tickets

Iberia

14 Sept

DUB09:30Dublin

18h 00m

1 stop

ORD21:30Chicago O'Hare Intl

23 Oct

ORD13:22Chicago O'Hare Intl

11h 08m

1 stop

DUB06:30Dublin

€523

Iberia

1 Sept

DUB13:45Dublin

14h 45m

1 stop

ORD22:30Chicago O'Hare Intl

5 Sept

ORD19:11Chicago O'Hare Intl

29h 19m

1 stop

DUB06:30Dublin

€537

Iberia

6 Oct

DUB09:30Dublin

19h 00m

1 stop

ORD22:30Chicago O'Hare Intl

13 Oct

ORD16:45Chicago O'Hare Intl

10h 50m

1 stop

DUB09:35Dublin

€538

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Thu 1/10

19:50-16:10

2 stops26h 20m

Chicago O'Hare Intl

Thu 8/10

19:15-19:05

2 stops17h 50m

€523

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Fri 18/9

09:30-22:35

1 stop19h 05m

Chicago O'Hare Intl

Fri 23/10

16:45-09:35

1 stop10h 50m

€523

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Fri 23/10

16:45-19:15

Nonstop8h 30m

Chicago O'Hare Intl

Wed 20/1

17:10-10:15

1 stop11h 05m

€528

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Thu 12/11

11:30-14:00

Nonstop8h 30m

Chicago O'Hare Intl

Mon 16/11

21:50-15:25

1 stop11h 35m

€529

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Wed 7/10

11:45-19:51

1 stop14h 06m

Chicago O'Hare Intl

Tue 13/10

21:30-17:15

1 stop13h 45m

€530

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Wed 7/10

11:45-19:51

1 stop14h 06m

Chicago O'Hare Intl

Mon 12/10

21:30-17:15

1 stop13h 45m

€530

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Sat 21/11

11:30-19:59

2 stops14h 29m

Chicago O'Hare Intl

Sun 22/11

21:50-14:20

1 stop10h 30m

€587

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Thu 8/10

13:20-19:30

1 stop12h 10m

Chicago O'Hare Intl

Sun 11/10

21:00-10:35

Nonstop7h 35m

€629

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Sat 21/11

09:00-15:38

1 stop12h 38m

Chicago O'Hare Intl

Sun 22/11

18:30-08:10

Nonstop7h 40m

€631

Fastest return journey

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Mon 9/11

10:40-13:20

Nonstop8h 40m

Chicago O'Hare Intl

Sat 21/11

18:07-10:20

1 stop10h 13m

€631

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 November. Flight prices, which tend to average around €411, are often lower during this time because this is during the off-season. If you’re not able to fly to Illinois in November, then December is your next best option. Flight prices from Dublin to Illinois during December average around €530.

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 €636. 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 €778.

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 €608. 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 in the morning because they tend to be around €706. 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 €589 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 €496 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	€327
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 €327. The best return flight deal from Dublin to Illinois found on momondo in the last 72 hours is €523.

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

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 August 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 33.21% of the total bookings. Other popular models include Airbus A330-300 with 28.01%, Boeing 787 Dreamliner with 13.41%, and Airbus A330 with 8.83%.

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 €402	Free Cancellation	Rating 7.3 1,708 reviews	Search Aer Lingus flights
Finnair	PriceFrom €406	Free Cancellation	Rating 7.6 1,427 reviews	Search Finnair flights
United Airlines	PriceFrom €408	Free Cancellation	Rating 7.4 10,100 reviews	Search United Airlines flights
American Airlines	PriceFrom €422	Free Cancellation	Rating 7.1 11,956 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.