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

As of November 2025, 93 flights take off from Dublin and land in Illinois each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

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 71% 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 November 2025, 13 flights take off from Dublin and land in Illinois each day. The most common flight departure time for this route is 10:00, with 68% of daily flights taking off at midday.

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

Aer Lingus, American Airlines, and Scandinavian 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 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 November 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.

€359 Cheap Flights from Dublin to Illinois in 2025/26

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Cheap return flights

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12:40 - 16:10DUB-ORD

33h 30m1 stop

19:15 - 18:20ORD-DUB

17h 05m1 stop

€392Scandinavian Airlines

Find Deal

Thu, 30 Apr - Mon, 4 May

10:30 - 17:00DUB-ORD

12h 30m1 stop

18:25 - 12:35ORD-DUB

12h 10m1 stop

€396Multiple Airlines

Find Deal

Thu, 20 Nov - Mon, 24 Nov

10:30 - 17:00DUB-ORD

12h 30m1 stop

18:25 - 12:35ORD-DUB

12h 10m1 stop

€398American Airlines

Find Deal

Thu, 20 Nov - Mon, 24 Nov

15:20 - 17:55DUB-ORD

8h 35mdirect

15:50 - 05:10ORD-DUB

7h 20mdirect

€411Aer Lingus

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Fri, 14 Nov - Mon, 8 Dec

11:30 - 14:00DUB-ORD

8h 30mdirect

15:50 - 05:10ORD-DUB

7h 20mdirect

€415Aer Lingus

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Sun, 23 Nov - Sat, 29 Nov

11:30 - 17:44DUB-ORD

12h 14m1 stop

16:40 - 08:40ORD-DUB

10h 00m1 stop

€420American Airlines

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Thu, 20 Nov - Sun, 23 Nov

11:30 - 17:20DUB-ORD

11h 50m1 stop

18:30 - 10:15ORD-DUB

9h 45m1 stop

€427Icelandair

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Fri, 14 Nov - Mon, 29 Dec

11:30 - 17:20DUB-ORD

11h 50m1 stop

18:30 - 10:15ORD-DUB

9h 45m1 stop

€444Icelandair

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Mon, 9 Feb - Fri, 13 Feb

09:00 - 15:29DUB-STL

12h 29m1 stop

12:55 - 10:20STL-DUB

15h 25m1 stop

€800United Airlines

Find Deal

Sat, 29 Nov - Sat, 13 Dec

09:00 - 15:29DUB-STL

12h 29m1 stop

08:30 - 07:30STL-DUB

17h 00m2 stops

€801United Airlines

Find Deal

Fri, 21 Nov - Thu, 4 Dec

American Airlines flights from Dublin to Illinois

Our best American Airlines deals on Dublin to Illinois flight tickets

American Airlines

10 Nov

DUB16:00Dublin

29h 25m

1 stop

ORD15:25Chicago O'Hare Intl

16 Nov

ORD18:30Chicago O'Hare Intl

16h 20m

1 stop

DUB16:50Dublin

€397

Find similar

American Airlines

20 Nov

DUB10:30Dublin

12h 30m

1 stop

ORD17:00Chicago O'Hare Intl

24 Nov

ORD18:25Chicago O'Hare Intl

12h 10m

1 stop

DUB12:35Dublin

€398

Find similar

American Airlines

9 Nov

DUB11:30Dublin

32h 29m

1 stop

ORD13:59Chicago O'Hare Intl

16 Nov

ORD18:30Chicago O'Hare Intl

16h 20m

1 stop

DUB16:50Dublin

€403

Find similar

British Airways flights from Dublin to Illinois

Our best British Airways deals on Dublin to Illinois flight tickets

British Airways

9 Feb

DUB08:50Dublin

14h 10m

1 stop

ORD17:00Chicago O'Hare Intl

18 Feb

ORD20:45Chicago O'Hare Intl

29h 10m

1 stop

DUB07:55Dublin

€399

Find similar

British Airways

5 Feb

DUB08:50Dublin

20h 37m

2 stops

ORD23:27Chicago O'Hare Intl

17 Feb

ORD20:45Chicago O'Hare Intl

14h 15m

1 stop

DUB17:00Dublin

€403

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 30/4

12:40-16:10

1 stop33h 30m

Chicago O'Hare Intl

Mon 4/5

19:15-18:20

1 stop17h 05m

€392

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 20/11

10:30-17:00

1 stop12h 30m

Chicago O'Hare Intl

Mon 24/11

18:25-12:35

1 stop12h 10m

€396

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 20/11

10:30-17:00

1 stop12h 30m

Chicago O'Hare Intl

Mon 24/11

18:25-12:35

1 stop12h 10m

€398

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 14/11

15:20-17:55

Nonstop8h 35m

Chicago O'Hare Intl

Mon 8/12

15:50-05:10

Nonstop7h 20m

€411

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 23/11

11:30-14:00

Nonstop8h 30m

Chicago O'Hare Intl

Sat 29/11

15:50-05:10

Nonstop7h 20m

€415

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 20/11

11:30-17:44

1 stop12h 14m

Chicago O'Hare Intl

Sun 23/11

16:40-08:40

1 stop10h 00m

€420

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 14/11

11:30-17:20

1 stop11h 50m

Chicago O'Hare Intl

Mon 29/12

18:30-10:15

1 stop9h 45m

€427

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 9/2

11:30-17:20

1 stop11h 50m

Chicago O'Hare Intl

Fri 13/2

18:30-10:15

1 stop9h 45m

€444

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Sat 29/11

09:00-15:29

1 stop12h 29m

Lambert-St Louis

Sat 13/12

12:55-10:20

1 stop15h 25m

€800

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 21/11

09:00-15:29

1 stop12h 29m

Lambert-St Louis

Thu 4/12

08:30-07:30

2 stops17h 00m

€801

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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 September. Flight prices, which tend to average around €422, 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 January is your next best option. Flight prices from Dublin to Illinois during January average around €438.

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

According to our data, Friday is the cheapest day to fly to Illinois from Dublin. The lowest ticket price found for a Friday departure recently was €637. 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 €735.

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 €526. 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 €685. 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 €523 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 €464 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	€398
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 €398. The best return flight deal from Dublin to Illinois found on momondo in the last 72 hours is €597.

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 November 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 787-8 Dreamliner, making up 23.80% of the total bookings. Other popular models include Boeing 767-300 with 20.64%, Boeing 787 Dreamliner with 19.53%, and Airbus A330-300 with 17.31%.

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 €360	Free Cancellation	Rating 7.4 9,002 reviews	Search United Airlines flights
Icelandair	PriceFrom €379	Free Cancellation	Rating 7.1 568 reviews	Search Icelandair flights
Aer Lingus	PriceFrom €393	Free Cancellation	Rating 7.2 1,365 reviews	Search Aer Lingus flights
British Airways	PriceFrom €405	Free Cancellation	Rating 6.7 7,496 reviews	Search British Airways flights
American Airlines	PriceFrom €517	Free Cancellation	Rating 7.2 11,040 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.

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Find better results for your trip to Illinois

Popular Cities in Illinois

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Flights to Bostonfrom €314

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Flights to Dallasfrom €453

Flights to Denverfrom €509

Cheap flights from Dublin to Illinois from €374

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 15/4. 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

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American Airlines flights from Dublin to Illinois

Our best American Airlines deals on Dublin to Illinois flight tickets

British Airways flights from Dublin to Illinois

Our best British Airways deals on Dublin to Illinois flight tickets

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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?

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, American Airlines, and Scandinavian Airlines 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 November 2025, 13 flights take off from Dublin and land in Illinois each day. The most common flight departure time for this route is 10:00, with 68% of daily flights taking off at midday.

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

As of November 2025, 93 flights take off from Dublin and land in Illinois each week. The most common flight departure day for this route is Mon, with 17% 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