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

As of December 2025, 71 flights take off from Dublin and land in Illinois each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

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

Aer Lingus and WestJet are the most popular carriers operating from Dublin to Illinois

Which airlines fly to Illinois?

Aer Lingus, United Airlines and Icelandair 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 73% 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.

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

As of December 2025, 10 flights take off from Dublin and land in Illinois each day. The most common flight departure time for this route is 10:00, with 75% of daily flights taking off at midday.

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 December 2025.

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.

€316 Cheap Flights from Dublin to Illinois in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

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

Find the cheapest flights from Dublin to Illinois

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

08:55 - 20:01DUB-ORD

17h 06m2 stops

11:40 - 09:40ORD-DUB

17h 00m2 stops

€402British Airways

Find Deal

sáb., 28 feb. - mié., 18 mar.

11:30 - 18:34DUB-ORD

13h 04m1 stop

20:45 - 15:05ORD-DUB

12h 20m1 stop

€404Multiple Airlines

Find Deal

lun., 12 ene. - dom., 18 ene.

16:40 - 19:15DUB-ORD

8h 35mdirect

21:00 - 10:20ORD-DUB

7h 20mdirect

€405Aer Lingus

Find Deal

vie., 16 ene. - jue., 22 ene.

12:40 - 19:45DUB-ORD

13h 05m1 stop

17:40 - 11:50ORD-DUB

12h 10m1 stop

€406American Airlines

Find Deal

mié., 1 abr. - lun., 6 abr.

20:20 - 17:45DUB-ORD

50h 25m2 stops

20:20 - 18:25ORD-DUB

41h 05m2 stops

€408Scandinavian Airlines

Find Deal

lun., 23 mar. - jue., 26 mar.

16:40 - 19:15DUB-ORD

8h 35mdirect

21:00 - 10:20ORD-DUB

7h 20mdirect

€409Aer Lingus

Find Deal

jue., 15 ene. - jue., 22 ene.

16:40 - 19:15DUB-ORD

8h 35mdirect

21:00 - 10:20ORD-DUB

7h 20mdirect

€410Aer Lingus

Find Deal

mié., 14 ene. - mié., 21 ene.

12:30 - 23:37DUB-STL

41h 07m2 stops

12:00 - 11:45STL-DUB

41h 45m2 stops

€564Scandinavian Airlines

Find Deal

jue., 22 ene. - lun., 26 ene.

05:10 - 13:55DUB-STL

14h 45m1 stop

11:22 - 07:30STL-DUB

14h 08m1 stop

€736Lufthansa

Find Deal

vie., 23 ene. - jue., 5 feb.

05:00 - 19:27DUB-STL

20h 27m2 stops

13:15 - 08:10STL-DUB

12h 55m1 stop

€741Lufthansa

Find Deal

jue., 15 ene. - jue., 22 ene.

British Airways flights from Dublin to Illinois

Our best British Airways deals on Dublin to Illinois flight tickets

British Airways

28 Feb

DUB08:55Dublin

17h 06m

2 stops

ORD20:01Chicago O'Hare Intl

16 Mar

ORD11:40Chicago O'Hare Intl

17h 10m

2 stops

DUB09:50Dublin

€402

Find similar

British Airways

9 Jan

DUB13:00Dublin

13h 04m

1 stop

ORD20:04Chicago O'Hare Intl

19 Jan

ORD17:10Chicago O'Hare Intl

10h 40m

1 stop

DUB09:50Dublin

€418

Find similar

British Airways

9 May

DUB20:10Dublin

25h 45m

1 stop

ORD15:55Chicago O'Hare Intl

2 Jun

ORD18:30Chicago O'Hare Intl

14h 15m

2 stops

DUB14:45Dublin

€427

Find similar

Delta flights from Dublin to Illinois

Our best Delta deals on Dublin to Illinois flight tickets

Delta

16 Jan

DUB05:55Dublin

14h 25m

1 stop

ORD14:20Chicago O'Hare Intl

22 Jan

ORD07:01Chicago O'Hare Intl

18h 49m

2 stops

DUB07:50Dublin

€423

Find similar

Delta

16 Jan

DUB08:50Dublin

11h 30m

1 stop

ORD14:20Chicago O'Hare Intl

20 Jan

ORD10:29Chicago O'Hare Intl

15h 21m

2 stops

DUB07:50Dublin

€424

Find similar

Delta

29 Jan

DUB08:50Dublin

15h 05m

2 stops

MDW17:55Chicago Midway

4 Feb

MDW13:31Chicago Midway

15h 19m

2 stops

DUB10:50Dublin

€427

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

sáb. 28/2

08:55-20:01

2 stops17h 06m

Chicago O'Hare Intl

mié. 18/3

11:40-09:40

2 stops17h 00m

€402

DublinChicago

DUB - ORD

DUBORD

Dublin

lun. 12/1

11:30-18:34

1 stop13h 04m

Chicago O'Hare Intl

dom. 18/1

20:45-15:05

1 stop12h 20m

€404

DublinChicago

DUB - ORD

DUBORD

Dublin

vie. 16/1

16:40-19:15

Nonstop8h 35m

Chicago O'Hare Intl

jue. 22/1

21:00-10:20

Nonstop7h 20m

€405

DublinChicago

DUB - ORD

DUBORD

Dublin

mié. 1/4

12:40-19:45

1 stop13h 05m

Chicago O'Hare Intl

lun. 6/4

17:40-11:50

1 stop12h 10m

€406

DublinChicago

DUB - ORD

DUBORD

Dublin

lun. 23/3

20:20-17:45

2 stops50h 25m

Chicago O'Hare Intl

jue. 26/3

20:20-18:25

2 stops41h 05m

€408

DublinChicago

DUB - ORD

DUBORD

Dublin

jue. 15/1

16:40-19:15

Nonstop8h 35m

Chicago O'Hare Intl

jue. 22/1

21:00-10:20

Nonstop7h 20m

€409

DublinChicago

DUB - ORD

DUBORD

Dublin

mié. 14/1

16:40-19:15

Nonstop8h 35m

Chicago O'Hare Intl

mié. 21/1

21:00-10:20

Nonstop7h 20m

€410

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

jue. 22/1

12:30-23:37

2 stops41h 07m

Lambert-St Louis

lun. 26/1

12:00-11:45

2 stops41h 45m

€564

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

vie. 23/1

05:10-13:55

1 stop14h 45m

Lambert-St Louis

jue. 5/2

11:22-07:30

1 stop14h 08m

€736

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

jue. 15/1

05:00-19:27

2 stops20h 27m

Lambert-St Louis

jue. 22/1

13:15-08:10

1 stop12h 55m

€741

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 €406, 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 November is your next best option. Flight prices from Dublin to Illinois during November average around €412.

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 €638. 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, Tuesday 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 €737.

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 €522. 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 €675. 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 €520 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 €467 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	€392
Fastest flight time	8h 05m
Direct flights	Every day
Airports in Illinois	1 airport

The best one-way flight to Illinois from Dublin in the past 72 hours is €392. The best return flight deal from Dublin to Illinois found on momondo in the last 72 hours is €512.

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

Direct flights go from Dublin to Illinois every day.

There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)

Search flight deals

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 December 2025.
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 767-300, making up 26.62% of the total bookings. Other popular models include Airbus A330-300 with 18.38%, Boeing 787 Dreamliner with 15.82%, and Boeing 787-8 Dreamliner with 15.47%.

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
Icelandair	PriceFrom €381	Free Cancellation	Rating 7.0 584 reviews	Search Icelandair flights
Aer Lingus	PriceFrom €391	Free Cancellation	Rating 7.2 1,384 reviews	Search Aer Lingus flights
United Airlines	PriceFrom €399	Free Cancellation	Rating 7.4 9,063 reviews	Search United Airlines flights
British Airways	PriceFrom €402	Free Cancellation	Rating 6.7 7,550 reviews	Search British Airways flights
American Airlines	PriceFrom €513	Free Cancellation	Rating 7.2 11,044 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.

An easier way to manage your Illinois trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

jue. 1/1

jue. 8/1

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois

Popular Cities in Illinois

Flights to New Yorkfrom €255

Flights to Orlandofrom €338

Flights to Chicagofrom €314

Flights to Miamifrom €361

Flights to Los Angelesfrom €414

Flights to Bostonfrom €309

Flights to San Franciscofrom €369

Flights to Las Vegasfrom €394

Flights to Anchoragefrom €1,150

Flights to Washington, D.C.from €314

Flights to Denverfrom €400

Flights to Dallasfrom €442

Cheap flights from Dublin to Illinois from €375

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 6/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Dublin to Illinois

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

British Airways flights from Dublin to Illinois

Our best British Airways deals on Dublin to Illinois flight tickets

Delta flights from Dublin to Illinois

Our best Delta deals on Dublin to Illinois flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Dublin to Illinois that are best for you.

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?

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

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?

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.

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

Aer Lingus and WestJet are the most popular carriers operating from Dublin to Illinois

Which airlines fly to Illinois?

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

As of December 2025, 10 flights take off from Dublin and land in Illinois each day. The most common flight departure time for this route is 10:00, with 75% of daily flights taking off at midday.

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

As of December 2025, 71 flights take off from Dublin and land in Illinois each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

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

Fastest flight time

Direct flights

Airports in Illinois

When did momondo last update prices for flights from Dublin Airport to Illinois?

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?

What documentation or ID do you need to fly to Illinois?

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

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Illinois?

Can I find flights from Dublin to Illinois with flexible booking policies on momondo?

How can momondo help me find flights from Dublin to Illinois?

I’m not ready to book a flight from Dublin to Illinois right now. Can momondo alert me if prices change?

An easier way to manage your Illinois trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular Cities in Illinois

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