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

Iberia, Aer Lingus, and Lufthansa are the most popular carriers operating from Dublin to Illinois

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

As of September 2025, 18 flights take off from Dublin and land in Illinois each day. The most common flight departure time for this route is 11:00, with 50% of daily flights taking off in the afternoon.

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 72% 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 week?

As of September 2025, 128 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.

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 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 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.

€328 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 return flights

19:05 - 21:05DUB-ORD

31h 00m1 stop

19:20 - 11:45ORD-DUB

34h 25m1 stop

€370Scandinavian Airlines

Find Deal

Tue, 28 Oct - Wed, 5 Nov

19:05 - 17:45DUB-ORD

27h 40m1 stop

19:20 - 11:45ORD-DUB

34h 25m1 stop

€371Scandinavian Airlines

Find Deal

Thu, 30 Oct - Wed, 5 Nov

12:30 - 21:05DUB-ORD

13h 35m1 stop

19:20 - 19:35ORD-DUB

18h 15m2 stops

€371Scandinavian Airlines

Find Deal

Wed, 29 Oct - Sun, 2 Nov

10:45 - 17:00DUB-ORD

12h 15m1 stop

20:40 - 19:40ORD-DUB

17h 00m1 stop

€373British Airways

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Sun, 2 Nov - Sun, 9 Nov

16:00 - 15:25DUB-ORD

29h 25m1 stop

18:30 - 12:15ORD-DUB

11h 45m1 stop

€375British Airways

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Mon, 3 Nov - Sun, 9 Nov

10:55 - 17:45DUB-ORD

11h 50m1 stop

14:50 - 12:10ORD-DUB

15h 20m2 stops

€382American Airlines

Find Deal

Tue, 28 Oct - Tue, 4 Nov

11:35 - 14:00DUB-ORD

8h 25mdirect

21:15 - 10:40ORD-DUB

7h 25mdirect

€390Aer Lingus

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Wed, 15 Oct - Wed, 22 Oct

09:20 - 15:00DUB-ORD

35h 40m1 stop

20:15 - 07:10ORD-DUB

28h 55m1 stop

€391United Airlines

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Fri, 24 Oct - Mon, 3 Nov

09:20 - 20:04DUB-ORD

16h 44m1 stop

13:17 - 07:20ORD-DUB

12h 03m1 stop

€393United Airlines

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Fri, 17 Oct - Fri, 24 Oct

15:25 - 13:50DUB-ORD

28h 25m1 stop

08:37 - 05:30ORD-DUB

14h 53m1 stop

€402American Airlines

Find Deal

Thu, 2 Oct - Mon, 6 Oct

Lufthansa flights from Dublin to Illinois

Our best Lufthansa deals on Dublin to Illinois flight tickets

Lufthansa

5 Nov

DUB05:10Dublin

20h 55m

1 stop

ORD20:05Chicago O'Hare Intl

11 Nov

ORD21:50Chicago O'Hare Intl

13h 20m

1 stop

DUB17:10Dublin

€379

Find similar

Lufthansa

31 Oct

DUB11:55Dublin

14h 10m

1 stop

ORD21:05Chicago O'Hare Intl

7 Nov

ORD18:35Chicago O'Hare Intl

7h 35m

DUB08:10Dublin

€383

Find similar

Lufthansa

2 Nov

DUB05:10Dublin

20h 55m

1 stop

ORD21:05Chicago O'Hare Intl

9 Nov

ORD18:35Chicago O'Hare Intl

7h 35m

DUB08:10Dublin

€384

Find similar

Delta flights from Dublin to Illinois

Our best Delta deals on Dublin to Illinois flight tickets

Delta

31 Oct

DUB05:55Dublin

14h 25m

1 stop

ORD15:20Chicago O'Hare Intl

4 Nov

ORD16:15Chicago O'Hare Intl

17h 30m

2 stops

DUB15:45Dublin

€392

Find similar

Delta

13 Oct

DUB05:55Dublin

14h 45m

1 stop

ORD14:40Chicago O'Hare Intl

21 Oct

ORD10:36Chicago O'Hare Intl

15h 39m

2 stops

DUB08:15Dublin

€393

Find similar

Delta

31 Oct

DUB05:55Dublin

17h 12m

2 stops

ORD18:07Chicago O'Hare Intl

7 Nov

ORD17:20Chicago O'Hare Intl

16h 25m

1 stop

DUB15:45Dublin

€394

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 28/10

19:05-21:05

1 stop31h 00m

Chicago O'Hare Intl

Wed 5/11

19:20-11:45

1 stop34h 25m

€370

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 30/10

19:05-17:45

1 stop27h 40m

Chicago O'Hare Intl

Wed 5/11

19:20-11:45

1 stop34h 25m

€371

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 29/10

12:30-21:05

1 stop13h 35m

Chicago O'Hare Intl

Sun 2/11

19:20-19:35

2 stops18h 15m

€371

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 2/11

10:45-17:00

1 stop12h 15m

Chicago O'Hare Intl

Sun 9/11

20:40-19:40

1 stop17h 00m

€373

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/11

16:00-15:25

1 stop29h 25m

Chicago O'Hare Intl

Sun 9/11

18:30-12:15

1 stop11h 45m

€375

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 28/10

10:55-17:45

1 stop11h 50m

Chicago O'Hare Intl

Tue 4/11

14:50-12:10

2 stops15h 20m

€382

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 15/10

11:35-14:00

Nonstop8h 25m

Chicago O'Hare Intl

Wed 22/10

21:15-10:40

Nonstop7h 25m

€390

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 24/10

09:20-15:00

1 stop35h 40m

Chicago O'Hare Intl

Mon 3/11

20:15-07:10

1 stop28h 55m

€391

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 17/10

09:20-20:04

1 stop16h 44m

Chicago O'Hare Intl

Fri 24/10

13:17-07:20

1 stop12h 03m

€393

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 2/10

15:25-13:50

1 stop28h 25m

Chicago O'Hare Intl

Mon 6/10

08:37-05:30

1 stop14h 53m

€402

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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 €420, are often lower during this time because this is during the off-season. If you’re not able to fly to Illinois in January, then September is your next best option. Flight prices from Dublin to Illinois during September average around €430.

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 €607. 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 €709.

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 €512. 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 €670. 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 €511 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 €452 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 57% 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	€681
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 €681. The best return flight deal from Dublin to Illinois found on momondo in the last 72 hours is €462.

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 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 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 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 25.79% of the total bookings. Other popular models include Boeing 787 Dreamliner with 24.29%, Boeing 787-8 Dreamliner with 23.15%, and Boeing 767-300 with 9.51%.

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 €348	Free Cancellation	Rating 7.0 545 reviews	Search Icelandair flights
United Airlines	PriceFrom €350	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Aer Lingus	PriceFrom €378	Free Cancellation	Rating 7.2 1,277 reviews	Search Aer Lingus flights
British Airways	PriceFrom €394	Free Cancellation	Rating 6.7 7,367 reviews	Search British Airways flights
American Airlines	PriceFrom €430	Free Cancellation	Rating 7.2 10,000 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

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Find better results for your trip to Illinois

Popular Cities in Illinois

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Cheap flights from Dublin to Illinois from €363

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 15/12. 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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Find the cheapest flights from Dublin to Illinois

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

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Lufthansa flights from Dublin to Illinois

Our best Lufthansa deals on Dublin to Illinois flight tickets

Delta flights from Dublin to Illinois

Our best Delta 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.

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?

You could potentially save up to 57% on your flight if you consider stops on a Dublin to Illinois flight.

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

Iberia, Aer Lingus, and Lufthansa 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 September 2025, 18 flights take off from Dublin and land in Illinois each day. The most common flight departure time for this route is 11:00, with 50% of daily flights taking off in the afternoon.

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

As of September 2025, 128 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.

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