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

As of September 2025, there are 19 flights per day flying from Dublin to Illinois. The most common time of day flights depart is 11:00AM, with 52% of flights taking off in the afternoon.

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

The number of flights available between Dublin and Illinois is 133 per week as of September 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

What airlines fly to Illinois?

Aer Lingus, United Airlines and Lufthansa 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 79% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 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?

British Airways, Aer Lingus, and American Airlines 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 were last updated today.

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 3 as of September 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$391 Cheap Flights from Dublin to Illinois in 2025/26

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Find the cheapest flights from Dublin to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

11:15 am - 5:45 pmDUB-ORD

35h 30m2 stops

7:20 pm - 7:35 pmORD-DUB

18h 15m2 stops

$440Scandinavian Airlines

Find Deal

Thu, Oct 30 - Sun, Nov 2

7:05 pm - 5:45 pmDUB-ORD

27h 40m1 stop

7:20 pm - 6:20 pmORD-DUB

17h 00m1 stop

$441Scandinavian Airlines

Find Deal

Thu, Oct 30 - Wed, Nov 12

10:45 am - 5:00 pmDUB-ORD

12h 15m1 stop

5:11 pm - 8:40 amORD-DUB

10h 29m1 stop

$448Multiple Airlines

Find Deal

Sun, Mar 1 - Wed, Mar 11

11:30 am - 2:00 pmDUB-ORD

8h 30mnonstop

10:45 pm - 3:40 pmORD-DUB

11h 55m1 stop

$449Aer Lingus

Find Deal

Sun, Mar 1 - Wed, Mar 11

5:00 am - 9:05 pmDUB-ORD

21h 05m1 stop

6:25 pm - 10:45 pmORD-DUB

22h 20m1 stop

$451Lufthansa

Find Deal

Thu, Oct 30 - Sun, Nov 2

5:10 am - 3:20 pmDUB-ORD

16h 10m1 stop

6:35 pm - 8:10 amORD-DUB

7h 35mnonstop

$452Lufthansa

Find Deal

Wed, Nov 5 - Wed, Nov 12

5:00 am - 9:05 pmDUB-ORD

21h 05m1 stop

4:10 pm - 5:45 pmORD-DUB

19h 35m1 stop

$454Multiple Airlines

Find Deal

Thu, Oct 30 - Tue, Nov 4

1:30 pm - 4:00 pmDUB-ORD

8h 30mnonstop

3:50 pm - 5:10 amORD-DUB

7h 20mnonstop

$458Aer Lingus

Find Deal

Sun, Nov 2 - Sun, Nov 9

9:00 am - 7:30 pmDUB-ORD

16h 30m1 stop

6:35 pm - 8:10 amORD-DUB

7h 35mnonstop

$468United Airlines

Find Deal

Sat, Nov 8 - Mon, Nov 17

9:00 am - 7:30 pmDUB-ORD

16h 30m1 stop

1:00 pm - 10:20 amORD-DUB

15h 20m1 stop

$469United Airlines

Find Deal

Sat, Nov 15 - Sat, Nov 22

Lufthansa flights from Dublin to Illinois

Our best Lufthansa deals on Dublin to Illinois flight tickets

Lufthansa

Oct 30

DUB5:00 amDublin

21h 05m

1 stop

ORD9:05 pmChicago O'Hare Intl

Nov 2

ORD6:25 pmChicago O'Hare Intl

22h 20m

1 stop

DUB10:45 pmDublin

$451

Find similar

Lufthansa

Nov 5

DUB5:10 amDublin

16h 10m

1 stop

ORD3:20 pmChicago O'Hare Intl

Nov 12

ORD6:35 pmChicago O'Hare Intl

7h 35m

DUB8:10 amDublin

$452

Find similar

Lufthansa

Nov 2

DUB5:10 amDublin

20h 55m

1 stop

ORD9:05 pmChicago O'Hare Intl

Nov 9

ORD6:35 pmChicago O'Hare Intl

7h 35m

DUB8:10 amDublin

$455

Find similar

United Airlines flights from Dublin to Illinois

Our best United Airlines deals on Dublin to Illinois flight tickets

United Airlines

Nov 8

DUB9:00 amDublin

16h 30m

1 stop

ORD7:30 pmChicago O'Hare Intl

Nov 17

ORD6:35 pmChicago O'Hare Intl

7h 35m

DUB8:10 amDublin

$468

Find similar

United Airlines

Nov 15

DUB9:00 amDublin

16h 30m

1 stop

ORD7:30 pmChicago O'Hare Intl

Nov 22

ORD1:00 pmChicago O'Hare Intl

15h 20m

1 stop

DUB10:20 amDublin

$469

Find similar

United Airlines

Sep 27

DUB9:20 amDublin

15h 21m

1 stop

ORD6:41 pmChicago O'Hare Intl

Oct 8

ORD5:55 pmChicago O'Hare Intl

10h 25m

1 stop

DUB10:20 amDublin

$472

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 10/30

11:15 am-5:45 pm

2 stops35h 30m

Chicago O'Hare Intl

Sun 11/2

7:20 pm-7:35 pm

2 stops18h 15m

$440

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 10/30

7:05 pm-5:45 pm

1 stop27h 40m

Chicago O'Hare Intl

Wed 11/12

7:20 pm-6:20 pm

1 stop17h 00m

$441

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 3/1

10:45 am-5:00 pm

1 stop12h 15m

Chicago O'Hare Intl

Wed 3/11

5:11 pm-8:40 am

1 stop10h 29m

$448

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 3/1

11:30 am-2:00 pm

Nonstop8h 30m

Chicago O'Hare Intl

Wed 3/11

10:45 pm-3:40 pm

1 stop11h 55m

$449

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 10/30

5:00 am-9:05 pm

1 stop21h 05m

Chicago O'Hare Intl

Sun 11/2

6:25 pm-10:45 pm

1 stop22h 20m

$451

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 11/5

5:10 am-3:20 pm

1 stop16h 10m

Chicago O'Hare Intl

Wed 11/12

6:35 pm-8:10 am

Nonstop7h 35m

$452

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 10/30

5:00 am-9:05 pm

1 stop21h 05m

Chicago O'Hare Intl

Tue 11/4

4:10 pm-5:45 pm

1 stop19h 35m

$454

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 11/2

1:30 pm-4:00 pm

Nonstop8h 30m

Chicago O'Hare Intl

Sun 11/9

3:50 pm-5:10 am

Nonstop7h 20m

$458

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 11/8

9:00 am-7:30 pm

1 stop16h 30m

Chicago O'Hare Intl

Mon 11/17

6:35 pm-8:10 am

Nonstop7h 35m

$468

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 11/15

9:00 am-7:30 pm

1 stop16h 30m

Chicago O'Hare Intl

Sat 11/22

1:00 pm-10:20 am

1 stop15h 20m

$469

Flights are sorted by cheapest round-trip flights first.

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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 January. Flight prices, which tend to average around $497, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $509.

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

The cheapest day to depart from Dublin to Illinois is on a Wednesday when prices can be found for as low as $656. Flights from Dublin to Illinois on a Tuesday will generally be more expensive and average around $805. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Dublin to Illinois during this time can be as low as $722. Flights at noon are often more expensive with an average ticket price of $818.

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 $606 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Dublin for as low as $535 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?

You could potentially save up to 27% on your flight if you consider stops on a Dublin to Illinois flight.

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	$573
Fastest flight time	8h 00m
Direct flights	Every day
Airports in Illinois	1 airport

The best one-way flight to Illinois from Dublin in the past 72 hours is $573. The best round-trip flight deal from Dublin to Illinois found on momondo in the last 72 hours is $531.

The fastest flight from Dublin to Illinois takes 8h 00m

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 were last updated today.
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 3 as of September 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Dublin to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Dublin to Illinois is Airbus A330-300, representing 26.30% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 24.31%, Boeing 787-8 Dreamliner at 22.75%, and Boeing 767-300 at 10.27%.

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
Lufthansa	PriceFrom $393	Free Cancellation	Rating 6.8 7,421 reviews	Search Lufthansa flights
Aer Lingus	PriceFrom $455	Free Cancellation	Rating 7.2 1,296 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $490	Free Cancellation	Rating 7.4 8,922 reviews	Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Dublin.

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

Yes. momondo allows you to filter the results for Dublin to Illinois flights to just show those with flexible booking policies.

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

Once all potential Dublin to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Dublin to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

An easier way to manage your Illinois trip

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

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Find better results for your trip to Illinois

Popular cities in Illinois

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Flights to Washington, D.C.from $56

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Flights to Seattlefrom $102

Cheap flights from Dublin to Illinois from $413

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 11/11. 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 and deals

Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Dublin to Illinois

Cheap round-trip flights

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Lufthansa flights from Dublin to Illinois

Our best Lufthansa deals on Dublin to Illinois flight tickets

United Airlines flights from Dublin to Illinois

Our best United Airlines deals on Dublin to Illinois flight tickets

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

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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?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Dublin to Illinois during this time can be as low as $722. Flights at noon are often more expensive with an average ticket price of $818.

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?

You could potentially save up to 27% on your flight if you consider stops on a Dublin to Illinois flight.

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

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

What airlines fly to Illinois?

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

As of September 2025, there are 19 flights per day flying from Dublin to Illinois. The most common time of day flights depart is 11:00AM, with 52% of flights taking off in the afternoon.

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

The number of flights available between Dublin and Illinois is 133 per week as of September 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving 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, organize 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