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 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 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.

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

KLM and Delta are the most popular carriers operating from Dublin to Illinois

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

As of October 2026, 84 flights take off from Dublin and land in Illinois each week. The most common flight departure day for this route is Wed, 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 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.

€370 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.

12:30 - 16:45DUB Dublin-ORD Chicago O'Hare Intl

34h 15m1 stop Kastrup Copenhagen

19:10 - 11:45ORD Chicago O'Hare Intl-DUB Dublin

34h 35m1 stop Kastrup Copenhagen

€418Scandinavian Airlines

Thu, 24 Dec - Sat, 9 Jan

19:05 - 16:45DUB Dublin-ORD Chicago O'Hare Intl

27h 40m1 stop Kastrup Copenhagen

19:10 - 18:20ORD Chicago O'Hare Intl-DUB Dublin

17h 10m1 stop Kastrup Copenhagen

€426Scandinavian Airlines

Thu, 11 Feb - Sun, 14 Feb

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

8h 40mdirect

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

7h 20mdirect

€467Aer Lingus

Thu, 12 Nov - Thu, 19 Nov

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

8h 40mdirect

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

7h 25mdirect

€470Aer Lingus

Mon, 2 Nov - Sun, 8 Nov

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

14h 00m1 stop Frankfurt am Main

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

7h 40mdirect

€523Lufthansa

Thu, 26 Nov - Fri, 4 Dec

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

14h 00m1 stop Frankfurt am Main

16:20 - 11:00ORD Chicago O'Hare Intl-DUB Dublin

12h 40m1 stop Frankfurt am Main

€531Lufthansa

Mon, 2 Nov - Sun, 8 Nov

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

€582United Airlines

Thu, 18 Feb - Tue, 23 Feb

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

€582United Airlines

Thu, 26 Nov - Fri, 4 Dec

09:45 - 22:30DUB Dublin-ORD Chicago O'Hare Intl

18h 45m2 stops Helsinki-Vantaa New York John F Kennedy Intl

16:00 - 17:20ORD Chicago O'Hare Intl-DUB Dublin

19h 20m2 stops New York John F Kennedy Intl Helsinki-Vantaa

€3,146Finnair

Sat, 23 Jan - Wed, 27 Jan

09:45 - 22:30DUB Dublin-ORD Chicago O'Hare Intl

18h 45m2 stops Helsinki-Vantaa New York John F Kennedy Intl

16:00 - 17:20ORD Chicago O'Hare Intl-DUB Dublin

19h 20m2 stops New York John F Kennedy Intl Helsinki-Vantaa

€3,333Finnair

Sat, 23 Jan - Sun, 31 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

8h 30mdirect

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

7h 25mdirect

€520Aer Lingus

Mon, 19 Oct - Fri, 23 Oct

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

8h 30mdirect

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

7h 20mdirect

€527Aer Lingus

Tue, 20 Oct - Sat, 7 Nov

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

8h 30mdirect

21:05 - 09:30ORD Chicago O'Hare Intl-DUB Dublin

7h 25mdirect

€533Aer Lingus

Mon, 19 Oct - Tue, 27 Oct

12:30 - 18:41DUB Dublin-ORD Chicago O'Hare Intl

12h 11m1 stop Washington, D.C. Dulles Intl

11:56 - 07:30ORD Chicago O'Hare Intl-DUB Dublin

14h 34m1 stop Newark

€576United Airlines

Fri, 23 Oct - Sat, 31 Oct

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

16h 16m1 stop Vancouver Intl

14:03 - 09:55ORD Chicago O'Hare Intl-DUB Dublin

13h 52m2 stops Washington, D.C. Reagan-National Newark

€604United Airlines

Fri, 23 Oct - Mon, 2 Nov

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

16h 16m1 stop Vancouver Intl

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

7h 40mdirect

€604United Airlines

Fri, 23 Oct - Mon, 2 Nov

06:00 - 19:55DUB Dublin-ORD Chicago O'Hare Intl

19h 55m1 stop Frankfurt am Main

23:35 - 16:30ORD Chicago O'Hare Intl-DUB Dublin

11h 55m1 stop Frankfurt am Main

€630Lufthansa

Thu, 22 Oct - Wed, 28 Oct

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

14h 35m1 stop Amsterdam Schiphol

17:29 - 14:30ORD Chicago O'Hare Intl-DUB Dublin

16h 01m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

€630Delta

Mon, 19 Oct - Tue, 27 Oct

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

14h 35m1 stop Amsterdam Schiphol

19:25 - 14:30ORD Chicago O'Hare Intl-DUB Dublin

14h 05m1 stop Paris Charles de Gaulle

€630Delta

Mon, 19 Oct - Tue, 27 Oct

06:00 - 19:55DUB Dublin-ORD Chicago O'Hare Intl

19h 55m1 stop Frankfurt am Main

19:35 - 08:10ORD Chicago O'Hare Intl-DUB Dublin

7h 35mdirect

€638Lufthansa

Thu, 22 Oct - Wed, 28 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

Scandinavian Airlines flights from Dublin to Illinois

Our best Scandinavian Airlines deals on Dublin to Illinois flight tickets

Scandinavian Airlines

24 Dec

DUB12:30Dublin

34h 15m

1 stop

ORD16:45Chicago O'Hare Intl

9 Jan

ORD19:10Chicago O'Hare Intl

34h 35m

1 stop

DUB11:45Dublin

€418

Scandinavian Airlines

11 Feb

DUB19:05Dublin

27h 40m

1 stop

ORD16:45Chicago O'Hare Intl

14 Feb

ORD19:10Chicago O'Hare Intl

17h 10m

1 stop

DUB18:20Dublin

€426

Scandinavian Airlines

18 Feb

DUB19:05Dublin

27h 40m

1 stop

ORD16:45Chicago O'Hare Intl

23 Feb

ORD19:10Chicago O'Hare Intl

17h 10m

1 stop

DUB18:20Dublin

€433

Icelandair flights from Dublin to Illinois

Our best Icelandair deals on Dublin to Illinois flight tickets

Icelandair

24 Dec

DUB11:30Dublin

11h 50m

1 stop

ORD17:20Chicago O'Hare Intl

5 Jan

ORD18:30Chicago O'Hare Intl

9h 45m

1 stop

DUB10:15Dublin

€428

Icelandair

18 Nov

DUB11:30Dublin

11h 50m

1 stop

ORD17:20Chicago O'Hare Intl

24 Nov

ORD18:30Chicago O'Hare Intl

9h 45m

1 stop

DUB10:15Dublin

€452

Icelandair

18 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

€456

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Thu 24/12

12:30-16:45

1 stop34h 15m

Chicago O'Hare Intl

Sat 9/1

19:10-11:45

1 stop34h 35m

€418

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Thu 11/2

19:05-16:45

1 stop27h 40m

Chicago O'Hare Intl

Sun 14/2

19:10-18:20

1 stop17h 10m

€426

Fastest return journey

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Thu 12/11

11:30-14:10

Nonstop8h 40m

Chicago O'Hare Intl

Thu 19/11

15:55-05:15

Nonstop7h 20m

€467

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Mon 2/11

11:30-14:10

Nonstop8h 40m

Chicago O'Hare Intl

Sun 8/11

20:05-09:30

Nonstop7h 25m

€470

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Thu 26/11

05:10-13:10

1 stop14h 00m

Chicago O'Hare Intl

Fri 4/12

18:30-08:10

Nonstop7h 40m

€523

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Mon 2/11

05:10-13:10

1 stop14h 00m

Chicago O'Hare Intl

Sun 8/11

16:20-11:00

1 stop12h 40m

€531

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Thu 18/2

09:00-15:38

1 stop12h 38m

Chicago O'Hare Intl

Tue 23/2

18:30-08:10

Nonstop7h 40m

€582

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Thu 26/11

09:00-15:38

1 stop12h 38m

Chicago O'Hare Intl

Fri 4/12

18:30-08:10

Nonstop7h 40m

€582

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Sat 23/1

09:45-22:30

2 stops18h 45m

Chicago O'Hare Intl

Wed 27/1

16:00-17:20

2 stops19h 20m

€3,146

DublinChicago

DUB Dublin - ORD Chicago O'Hare Intl

DUBORD

Dublin

Sat 23/1

09:45-22:30

2 stops18h 45m

Chicago O'Hare Intl

Sun 31/1

16:00-17:20

2 stops19h 20m

€3,333

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 €477, 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 €522.

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 €652. 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 €802.

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 €580. 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 €729. 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 €615 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 €477 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	€370
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 €370. The best return flight deal from Dublin to Illinois found on momondo in the last 72 hours is €418.

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 4 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 31.72% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 27.59%, Boeing 767-300 with 18.45%, and Airbus A330 with 8.72%.

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
Finnair	PriceFrom €422	Free Cancellation	Rating 7.6 1,419 reviews	Search Finnair flights
Aer Lingus	PriceFrom €424	Free Cancellation	Rating 7.3 1,840 reviews	Search Aer Lingus flights
Lufthansa	PriceFrom €482	Free Cancellation	Rating 6.8 8,278 reviews	Search Lufthansa flights
United Airlines	PriceFrom €525	Free Cancellation	Rating 7.4 10,380 reviews	Search United 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.