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

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

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

As of February 2026, 59 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.

Which airlines fly to Illinois?

Aer Lingus, United Airlines and American 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 74% 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 February 2026, 8 flights take off from Dublin and land in Illinois each day. The most common flight departure time for this route is 10:00, with 55% 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 February 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.

€206 Cheap Flights from Dublin to Illinois in 2026

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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.

19:05 - 16:45

DUB

ORD

27h 40m

1 stop

20:20 - 18:20

ORD

DUB

17h 00m

1 stop

€348Scandinavian Airlines

Sun, 1 Mar - Mon, 9 Mar

09:30 - 11:30

DUB

ORD

8h 00mdirect

22:25 - 11:50

ORD

DUB

7h 25mdirect

€376Finnair

Wed, 13 May - Tue, 26 May

09:30 - 11:30

DUB

ORD

8h 00mdirect

22:25 - 11:50

ORD

DUB

7h 25mdirect

€377Finnair

Fri, 15 May - Mon, 25 May

08:35 - 17:35

DUB

ORD

15h 00m

1 stop

22:25 - 11:50

ORD

DUB

7h 25mdirect

€384Multiple Airlines

Wed, 13 May - Tue, 26 May

19:05 - 00:40

DUB

ORD

35h 35m

2 stops

05:15 - 10:45

ORD

DUB

24h 30m

3 stops

€397Multiple Airlines

Fri, 6 Mar - Tue, 10 Mar

05:55 - 17:37

DUB

MDW

17h 42m

2 stops

13:10 - 08:45

MDW

DUB

14h 35m

2 stops

€458Delta

Fri, 6 Mar - Tue, 10 Mar

05:55 - 17:37

DUB

MDW

17h 42m

2 stops

09:34 - 08:45

MDW

DUB

17h 11m

2 stops

€458Delta

Mon, 23 Feb - Mon, 2 Mar

09:45 - 17:45

DUB

MDW

14h 00m

1 stop

10:49 - 07:45

MDW

DUB

14h 56m

1 stop

€466KLM

Sun, 22 Feb - Wed, 4 Mar

11:30 - 22:52

DUB

STL

17h 22m

1 stop

14:21 - 17:00

STL

DUB

20h 39m

2 stops

€750American Airlines

Fri, 27 Feb - Tue, 3 Mar

11:30 - 10:13

DUB

STL

28h 43m

2 stops

14:21 - 17:00

STL

DUB

20h 39m

2 stops

€751American Airlines

Fri, 27 Feb - Tue, 3 Mar

Scandinavian Airlines flights from Dublin to Illinois

Our best Scandinavian Airlines deals on Dublin to Illinois flight tickets

Scandinavian Airlines

1 Mar

DUB19:05Dublin

27h 40m

1 stop

ORD16:45Chicago O'Hare Intl

9 Mar

ORD20:20Chicago O'Hare Intl

17h 00m

1 stop

DUB18:20Dublin

€348

Scandinavian Airlines

1 Mar

DUB19:05Dublin

27h 40m

1 stop

ORD16:45Chicago O'Hare Intl

8 Mar

ORD20:20Chicago O'Hare Intl

17h 00m

1 stop

DUB18:20Dublin

€389

Scandinavian Airlines

20 Apr

DUB19:50Dublin

50h 20m

2 stops

ORD16:10Chicago O'Hare Intl

24 Apr

ORD19:15Chicago O'Hare Intl

17h 05m

1 stop

DUB18:20Dublin

€392

Icelandair flights from Dublin to Illinois

Our best Icelandair deals on Dublin to Illinois flight tickets

Icelandair

16 Feb

DUB11:30Dublin

11h 50m

1 stop

ORD17:20Chicago O'Hare Intl

24 Feb

ORD18:30Chicago O'Hare Intl

9h 45m

1 stop

DUB10:15Dublin

€441

Icelandair

15 Feb

DUB11:30Dublin

11h 50m

1 stop

ORD17:20Chicago O'Hare Intl

24 Feb

ORD18:30Chicago O'Hare Intl

9h 45m

1 stop

DUB10:15Dublin

€441

Icelandair

19 Feb

DUB11:30Dublin

11h 50m

1 stop

ORD17:20Chicago O'Hare Intl

23 Feb

ORD18:30Chicago O'Hare Intl

9h 45m

1 stop

DUB10:15Dublin

€444

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 1/3

19:05-16:45

1 stop27h 40m

Chicago O'Hare Intl

Mon 9/3

20:20-18:20

1 stop17h 00m

€348

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 13/5

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Tue 26/5

22:25-11:50

Nonstop7h 25m

€376

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 15/5

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Mon 25/5

22:25-11:50

Nonstop7h 25m

€377

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 13/5

08:35-17:35

1 stop15h 00m

Chicago O'Hare Intl

Tue 26/5

22:25-11:50

Nonstop7h 25m

€384

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 6/3

19:05-00:40

2 stops35h 35m

Chicago O'Hare Intl

Tue 10/3

05:15-10:45

3 stops24h 30m

€397

DublinChicago

DUB - MDW

DUBMDW

Dublin

Fri 6/3

05:55-17:37

2 stops17h 42m

Chicago Midway

Tue 10/3

13:10-08:45

2 stops14h 35m

€458

DublinChicago

DUB - MDW

DUBMDW

Dublin

Mon 23/2

05:55-17:37

2 stops17h 42m

Chicago Midway

Mon 2/3

09:34-08:45

2 stops17h 11m

€458

DublinChicago

DUB - MDW

DUBMDW

Dublin

Sun 22/2

09:45-17:45

1 stop14h 00m

Chicago Midway

Wed 4/3

10:49-07:45

1 stop14h 56m

€466

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 27/2

11:30-22:52

1 stop17h 22m

Lambert-St Louis

Tue 3/3

14:21-17:00

2 stops20h 39m

€750

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Fri 27/2

11:30-10:13

2 stops28h 43m

Lambert-St Louis

Tue 3/3

14:21-17:00

2 stops20h 39m

€751

Flights are sorted by cheapest return 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 November. Flight prices, which tend to average around €400, 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 December is your next best option. Flight prices from Dublin to Illinois during December average around €435.

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 €620. 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 €714.

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 afternoon. momondo users have found flights departing from Dublin to Illinois in the afternoon for as low as €591. 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 €700. 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 €521 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 €447 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.

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	€481
Fastest flight time	8h 00m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Dublin in the past 72 hours is €481. 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 00m

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

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 February 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 Boeing 767-300, making up 25.11% of the total bookings. Other popular models include Airbus A330-300 with 18.62%, Boeing 787 Dreamliner with 17.19%, and Boeing 787-8 Dreamliner with 13.22%.

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 €370	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
Aer Lingus	PriceFrom €394	Free Cancellation	Rating 7.2 1,446 reviews	Search Aer Lingus flights
British Airways	PriceFrom €395	Free Cancellation	Rating 6.7 7,720 reviews	Search British Airways flights
United Airlines	PriceFrom €402	Free Cancellation	Rating 7.4 9,254 reviews	Search United Airlines flights
American Airlines	PriceFrom €536	Free Cancellation	Rating 7.2 11,249 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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Popular Cities in Illinois

Flights to New Yorkfrom €275

Flights to Orlandofrom €364

Flights to Chicagofrom €397

Flights to Miamifrom €379

Flights to Los Angelesfrom €391

Flights to San Franciscofrom €386

Flights to Bostonfrom €300

Flights to Las Vegasfrom €397

Flights to Anchoragefrom €890

Flights to Washington, D.C.from €391

Flights to Dallasfrom €442

Flights to Denverfrom €330

Cheap flights from Dublin to Illinois from €206

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 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names, great deals

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Scandinavian Airlines flights from Dublin to Illinois

Our best Scandinavian Airlines deals on Dublin to Illinois flight tickets

Icelandair flights from Dublin to Illinois

Our best Icelandair deals on Dublin to Illinois flight tickets

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See travel insights to Illinois from

How to get the cheapest flight ticket from Dublin to Illinois

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.

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

WestJet and Aer Lingus 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 February 2026, 8 flights take off from Dublin and land in Illinois each day. The most common flight departure time for this route is 10:00, with 55% of daily flights taking off at midday.

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

As of February 2026, 59 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

Illinois flight routes

According to popular flight searches on momondo this year

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