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

JetBlue, WestJet, and Finnair are the most popular carriers operating from Dublin to Illinois

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 75% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 4 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 April 2026, 92 flights take off from Dublin and land in Illinois each week. The most common flight departure day for this route is Thu, with 15% of weekly flights taking off on this day.

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

As of April 2026, 13 flights take off from Dublin and land in Illinois each day. The most common flight departure time for this route is 11:00, with 69% 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 4 as of April 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.

€271 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.

10:40 - 20:53

DUB

ORD

16h 13m

1 stop

08:34 - 09:00

ORD

DUB

18h 26m

1 stop

€495JetBlue

Thu, 7 May - Sat, 16 May

11:30 - 07:44

DUB

ORD

26h 14m

1 stop

08:35 - 09:00

ORD

DUB

18h 25m

1 stop

€496JetBlue

Sun, 10 May - Wed, 13 May

09:30 - 11:30

DUB

ORD

8h 00mdirect

22:25 - 11:50

ORD

DUB

7h 25mdirect

€501Finnair

Fri, 8 May - Sun, 17 May

11:30 - 07:44

DUB

ORD

26h 14m

1 stop

06:00 - 08:20

ORD

DUB

20h 20m

1 stop

€502JetBlue

Fri, 8 May - Sun, 17 May

12:15 - 21:25

DUB

ORD

15h 10m

1 stop

19:25 - 11:05

ORD

DUB

9h 40m

1 stop

€512Icelandair

Wed, 26 Aug - Tue, 15 Sep

11:30 - 07:44

DUB

ORD

26h 14m

1 stop

07:20 - 08:20

ORD

DUB

19h 00m

1 stop

€514JetBlue

Fri, 8 May - Mon, 11 May

09:30 - 11:30

DUB

ORD

8h 00mdirect

22:25 - 11:50

ORD

DUB

7h 25mdirect

€517Finnair

Fri, 8 May - Sun, 17 May

08:50 - 19:22

DUB

STL

16h 32m

1 stop

13:24 - 09:45

STL

DUB

14h 21m

1 stop

€827United Airlines

Mon, 27 Apr - Sat, 9 May

11:10 - 19:30

DUB

STL

14h 20m

1 stop

21:35 - 14:50

STL

DUB

11h 15m

1 stop

€829Aer Lingus

Tue, 1 Sep - Wed, 9 Sep

12:30 - 19:30

DUB

STL

13h 00m

1 stop

21:35 - 15:45

STL

DUB

12h 10m

1 stop

€830Aer Lingus

Tue, 1 Sep - Wed, 9 Sep

JetBlue flights from Dublin to Illinois

Our best JetBlue deals on Dublin to Illinois flight tickets

JetBlue

7 May

DUB10:40Dublin

16h 13m

1 stop

ORD20:53Chicago O'Hare Intl

16 May

ORD08:34Chicago O'Hare Intl

18h 26m

1 stop

DUB09:00Dublin

€495

JetBlue

10 May

DUB11:30Dublin

26h 14m

1 stop

ORD07:44Chicago O'Hare Intl

13 May

ORD08:35Chicago O'Hare Intl

18h 25m

1 stop

DUB09:00Dublin

€496

JetBlue

8 May

DUB11:30Dublin

26h 14m

1 stop

ORD07:44Chicago O'Hare Intl

17 May

ORD06:00Chicago O'Hare Intl

20h 20m

1 stop

DUB08:20Dublin

€502

Finnair flights from Dublin to Illinois

Our best Finnair deals on Dublin to Illinois flight tickets

Finnair

8 May

DUB09:30Dublin

8h 00m

ORD11:30Chicago O'Hare Intl

17 May

ORD22:25Chicago O'Hare Intl

7h 25m

DUB11:50Dublin

€501

Finnair

8 May

DUB09:30Dublin

8h 00m

ORD11:30Chicago O'Hare Intl

17 May

ORD22:25Chicago O'Hare Intl

7h 25m

DUB11:50Dublin

€517

Finnair

8 May

DUB09:30Dublin

8h 00m

ORD11:30Chicago O'Hare Intl

10 May

ORD12:30Chicago O'Hare Intl

15h 15m

1 stop

DUB09:45Dublin

€528

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 7/5

10:40-20:53

1 stop16h 13m

Chicago O'Hare Intl

Sat 16/5

08:34-09:00

1 stop18h 26m

€495

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 10/5

11:30-07:44

1 stop26h 14m

Chicago O'Hare Intl

Wed 13/5

08:35-09:00

1 stop18h 25m

€496

Fastest return journey

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 8/5

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Sun 17/5

22:25-11:50

Nonstop7h 25m

€501

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 8/5

11:30-07:44

1 stop26h 14m

Chicago O'Hare Intl

Sun 17/5

06:00-08:20

1 stop20h 20m

€502

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 26/8

12:15-21:25

1 stop15h 10m

Chicago O'Hare Intl

Tue 15/9

19:25-11:05

1 stop9h 40m

€512

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 8/5

11:30-07:44

1 stop26h 14m

Chicago O'Hare Intl

Mon 11/5

07:20-08:20

1 stop19h 00m

€514

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 8/5

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Sun 17/5

22:25-11:50

Nonstop7h 25m

€517

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Mon 27/4

08:50-19:22

1 stop16h 32m

Lambert-St Louis

Sat 9/5

13:24-09:45

1 stop14h 21m

€827

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Tue 1/9

11:10-19:30

1 stop14h 20m

Lambert-St Louis

Wed 9/9

21:35-14:50

1 stop11h 15m

€829

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Tue 1/9

12:30-19:30

1 stop13h 00m

Lambert-St Louis

Wed 9/9

21:35-15:45

1 stop12h 10m

€830

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 €396, 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 €401.

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 €600. 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 €754.

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 €588. 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 €719. 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 €554 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 €410 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 22% 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	€537
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 €537. The best return flight deal from Dublin to Illinois found on momondo in the last 72 hours is €534.

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

Frequently asked questions about flying 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 4 as of April 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 Airbus A330-300, making up 28.45% of the total bookings. Other popular models include Boeing 787 Dreamliner with 24.89%, Boeing 787-8 Dreamliner with 22.28%, and Airbus A330 with 7.85%.

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 €375	Free Cancellation	Rating 7.0 634 reviews	Search Icelandair flights
Aer Lingus	PriceFrom €394	Free Cancellation	Rating 7.3 1,512 reviews	Search Aer Lingus flights
United Airlines	PriceFrom €403	Free Cancellation	Rating 7.4 9,604 reviews	Search United Airlines flights
American Airlines	PriceFrom €414	Free Cancellation	Rating 7.1 11,602 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.