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

As of October 2026, 87 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?

Delta, Aer Lingus, and British Airways are the most popular carriers operating from Dublin to Illinois

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

As of October 2026, 12 flights take off from Dublin and land in Illinois each day. The most common flight departure time for this route is 11:00, with 69% 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 69% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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 5 as of October 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 2026/27

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.

11:30 - 17:20DUB Dublin-ORD Chicago O'Hare Intl

11h 50m1 stop Reykjavik Keflavik Intl

18:30 - 10:15ORD Chicago O'Hare Intl-DUB Dublin

9h 45m1 stop Reykjavik Keflavik Intl

€351Icelandair

Wed, 18 Nov - Tue, 1 Dec

11:30 - 17:20DUB Dublin-ORD Chicago O'Hare Intl

11h 50m1 stop Reykjavik Keflavik Intl

18:30 - 10:15ORD Chicago O'Hare Intl-DUB Dublin

9h 45m1 stop Reykjavik Keflavik Intl

€351Icelandair

Fri, 20 Nov - Mon, 30 Nov

05:10 - 20:05DUB Dublin-ORD Chicago O'Hare Intl

20h 55m1 stop Frankfurt am Main

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

7h 40mdirect

€405Lufthansa

Mon, 2 Nov - Mon, 9 Nov

05:10 - 13:10DUB Dublin-ORD Chicago O'Hare Intl

14h 00m1 stop Frankfurt am Main

22:35 - 16:30ORD Chicago O'Hare Intl-DUB Dublin

11h 55m1 stop Frankfurt am Main

€411Lufthansa

Mon, 2 Nov - Mon, 9 Nov

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

8h 40mdirect

18:15 - 10:20ORD Chicago O'Hare Intl-DUB Dublin

10h 05m1 stop Washington, D.C. Dulles Intl

€420United Airlines

Sat, 21 Nov - Thu, 3 Dec

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

8h 40mdirect

12:55 - 07:30ORD Chicago O'Hare Intl-DUB Dublin

12h 35m1 stop Newark

€420United Airlines

Wed, 18 Nov - Wed, 2 Dec

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

12h 38m1 stop Toronto Pearson Intl

12:50 - 07:10ORD Chicago O'Hare Intl-DUB Dublin

12h 20m1 stop Toronto Pearson Intl

€423Air Canada

Mon, 16 Nov - Fri, 27 Nov

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

12h 38m1 stop Toronto Pearson Intl

12:50 - 07:10ORD Chicago O'Hare Intl-DUB Dublin

12h 20m1 stop Toronto Pearson Intl

€423Air Canada

Sat, 21 Nov - Sat, 28 Nov

15:50 - 18:20DUB Dublin-ORD Chicago O'Hare Intl

8h 30mdirect

20:05 - 09:30ORD Chicago O'Hare Intl-DUB Dublin

7h 25mdirect

€466Aer Lingus

Tue, 10 Nov - Tue, 17 Nov

11:30 - 14:10DUB Dublin-ORD Chicago O'Hare Intl

8h 40mdirect

15:55 - 05:15ORD Chicago O'Hare Intl-DUB Dublin

7h 20mdirect

€466Aer Lingus

Thu, 5 Nov - Thu, 12 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

05:55 - 14:30DUB Dublin-ORD Chicago O'Hare Intl

14h 35m1 stop Amsterdam Schiphol

17:10 - 15:25ORD Chicago O'Hare Intl-DUB Dublin

16h 15m1 stop Paris Charles de Gaulle

€487Delta

Wed, 7 Oct - Mon, 12 Oct

05:55 - 14:30DUB Dublin-ORD Chicago O'Hare Intl

14h 35m1 stop Amsterdam Schiphol

15:40 - 08:45ORD Chicago O'Hare Intl-DUB Dublin

11h 05m1 stop Atlanta Hartsfield-Jackson

€489KLM

Wed, 7 Oct - Mon, 12 Oct

09:50 - 20:06DUB Dublin-ORD Chicago O'Hare Intl

16h 16m1 stop Vancouver Intl

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

7h 25mdirect

€522United Airlines

Wed, 7 Oct - Wed, 14 Oct

09:50 - 20:06DUB Dublin-ORD Chicago O'Hare Intl

16h 16m1 stop Vancouver Intl

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

7h 25mdirect

€522United Airlines

Sat, 3 Oct - Sat, 10 Oct

05:55 - 14:55DUB Dublin-ORD Chicago O'Hare Intl

15h 00m1 stop Frankfurt am Main

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

7h 25mdirect

€607Lufthansa

Wed, 7 Oct - Sun, 11 Oct

05:55 - 14:55DUB Dublin-ORD Chicago O'Hare Intl

15h 00m1 stop Frankfurt am Main

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

7h 25mdirect

€607Lufthansa

Wed, 7 Oct - Mon, 12 Oct

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

8h 30mdirect

15:45 - 05:10ORD Chicago O'Hare Intl-DUB Dublin

7h 25mdirect

€661Aer Lingus

Fri, 2 Oct - Sun, 4 Oct

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

8h 25mdirect

21:15 - 14:35ORD Chicago O'Hare Intl-DUB Dublin

11h 20m1 stop London Heathrow

€916Aer Lingus

Sun, 4 Oct - Tue, 6 Oct

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

10h 00m1 stop Reykjavik Keflavik Intl

22:25 - 11:05ORD Chicago O'Hare Intl-DUB Dublin

30h 40m1 stop Reykjavik Keflavik Intl

€2,643Icelandair

Sat, 3 Oct - Fri, 9 Oct

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

10h 00m1 stop Reykjavik Keflavik Intl

19:25 - 13:15ORD Chicago O'Hare Intl-DUB Dublin

11h 50m1 stop Reykjavik Keflavik Intl

€2,646Icelandair

Sat, 3 Oct - Sun, 4 Oct

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

Lufthansa flights from Dublin to Illinois

Our best Lufthansa deals on Dublin to Illinois flight tickets

Lufthansa

2 Nov

DUB05:10Dublin

20h 55m

1 stop

ORD20:05Chicago O'Hare Intl

9 Nov

ORD18:30Chicago O'Hare Intl

7h 40m

DUB08:10Dublin

€405

Lufthansa

2 Nov

DUB05:10Dublin

14h 00m

1 stop

ORD13:10Chicago O'Hare Intl

9 Nov

ORD22:35Chicago O'Hare Intl

11h 55m

1 stop

DUB16:30Dublin

€411

Lufthansa

5 Nov

DUB05:10Dublin

14h 00m

1 stop

ORD13:10Chicago O'Hare Intl

12 Nov

ORD18:30Chicago O'Hare Intl

7h 40m

DUB08:10Dublin

€414

Icelandair flights from Dublin to Illinois

Our best Icelandair deals on Dublin to Illinois flight tickets

Icelandair

17 Nov

DUB11:30Dublin

11h 50m

1 stop

ORD17:20Chicago O'Hare Intl

1 Dec

ORD18:30Chicago O'Hare Intl

9h 45m

1 stop

DUB10:15Dublin

€351

Icelandair

17 Nov

DUB11:30Dublin

11h 50m

1 stop

ORD17:20Chicago O'Hare Intl

30 Nov

ORD18:30Chicago O'Hare Intl

9h 45m

1 stop

DUB10:15Dublin

€352

Icelandair

10 Jan

DUB11:30Dublin

11h 50m

1 stop

ORD17:20Chicago O'Hare Intl

17 Jan

ORD18:30Chicago O'Hare Intl

9h 45m

1 stop

DUB10:15Dublin

€389

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Wed 18/11

11:30-17:20

1 stop11h 50m

Chicago O'Hare Intl

Tue 1/12

18:30-10:15

1 stop9h 45m

€351

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Fri 20/11

11:30-17:20

1 stop11h 50m

Chicago O'Hare Intl

Mon 30/11

18:30-10:15

1 stop9h 45m

€351

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Mon 2/11

05:10-20:05

1 stop20h 55m

Chicago O'Hare Intl

Mon 9/11

18:30-08:10

Nonstop7h 40m

€405

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Mon 2/11

05:10-13:10

1 stop14h 00m

Chicago O'Hare Intl

Mon 9/11

22:35-16:30

1 stop11h 55m

€411

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Sat 21/11

10:40-13:20

Nonstop8h 40m

Chicago O'Hare Intl

Thu 3/12

18:15-10:20

1 stop10h 05m

€420

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Wed 18/11

10:40-13:20

Nonstop8h 40m

Chicago O'Hare Intl

Wed 2/12

12:55-07:30

1 stop12h 35m

€420

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Mon 16/11

09:00-15:38

1 stop12h 38m

Chicago O'Hare Intl

Fri 27/11

12:50-07:10

1 stop12h 20m

€423

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Sat 21/11

09:00-15:38

1 stop12h 38m

Chicago O'Hare Intl

Sat 28/11

12:50-07:10

1 stop12h 20m

€423

Fastest return journey

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Tue 10/11

15:50-18:20

Nonstop8h 30m

Chicago O'Hare Intl

Tue 17/11

20:05-09:30

Nonstop7h 25m

€466

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Thu 5/11

11:30-14:10

Nonstop8h 40m

Chicago O'Hare Intl

Thu 12/11

15:55-05:15

Nonstop7h 20m

€466

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 €449, 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 September is your next best option. Flight prices from Dublin to Illinois during September average around €519.

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 €655. 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 €801.

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 at midday. momondo users have found flights departing from Dublin to Illinois at midday for as low as €600. 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 €725. 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 €606 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 €473 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	€391
Fastest flight time	8h 05m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Dublin in the past 72 hours is €391. The best return flight deal from Dublin to Illinois found on momondo in the last 72 hours is €351.

The fastest flight from Dublin to Illinois takes 8h 05m

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 5 as of October 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 Airbus A330-300, making up 30.95% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 29.89%, Boeing 767-300 with 16.33%, and Airbus A330 with 8.52%.

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 Airlines	PriceFrom €417	Free Cancellation	Rating 7.4 10,270 reviews	Search United Airlines flights
Finnair	PriceFrom €418	Free Cancellation	Rating 7.6 1,429 reviews	Search Finnair flights
Aer Lingus	PriceFrom €420	Free Cancellation	Rating 7.3 1,803 reviews	Search Aer Lingus flights
Icelandair	PriceFrom €529	Free Cancellation	Rating 6.9 756 reviews	Search Icelandair flights
Lufthansa	PriceFrom €561	Free Cancellation	Rating 6.8 8,252 reviews	Search Lufthansa 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.