Which airlines fly to Illinois?

Aer Lingus, Finnair and United 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 70% 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.

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

JetBlue, TAP AIR PORTUGAL, and WestJet are the most popular carriers operating from Dublin to Illinois

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

As of July 2026, 136 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.

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

As of July 2026, 19 flights take off from Dublin and land in Illinois each day. The most common flight departure time for this route is 11:00, with 79% 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 July 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.

€338 Cheap Flights from Dublin to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Dublin to Illinois

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

05:55 - 14:30

DUB

ORD

14h 35m

1 stop

10:30 - 08:15

ORD

DUB

15h 45m

2 stops

€538Delta

Wed, 2 Sep - Wed, 9 Sep

05:45 - 18:37

DUB

MDW

18h 52m

2 stops

18:30 - 14:30

MDW

DUB

14h 00m

2 stops

€539Delta

Thu, 3 Dec - Mon, 7 Dec

09:30 - 11:30

DUB

ORD

8h 00mdirect

18:15 - 18:40

ORD

DUB

18h 25m

1 stop

€540British Airways

Thu, 27 Aug - Mon, 31 Aug

08:55 - 14:30

DUB

ORD

11h 35m

1 stop

19:17 - 16:40

ORD

DUB

15h 23m

2 stops

€540Delta

Wed, 7 Oct - Mon, 12 Oct

09:30 - 11:30

DUB

ORD

8h 00mdirect

22:30 - 18:40

ORD

DUB

14h 10m

1 stop

€542British Airways

Thu, 27 Aug - Mon, 31 Aug

09:30 - 11:30

DUB

ORD

8h 00mdirect

22:20 - 11:50

ORD

DUB

7h 30mdirect

€544Finnair

Thu, 27 Aug - Sat, 5 Sep

09:40 - 17:50

DUB

ORD

14h 10m

1 stop

22:20 - 11:50

ORD

DUB

7h 30mdirect

€545Finnair

Thu, 27 Aug - Sat, 5 Sep

13:35 - 23:38

DUB

STL

16h 03m

1 stop

17:36 - 09:45

STL

DUB

10h 09m

1 stop

€862United Airlines

Wed, 23 Sep - Sat, 3 Oct

11:30 - 21:08

DUB

STL

15h 38m

2 stops

10:47 - 08:30

STL

DUB

15h 43m

1 stop

€917American Airlines

Wed, 2 Dec - Sun, 6 Dec

11:30 - 10:51

DUB

STL

29h 21m

2 stops

06:00 - 08:30

STL

DUB

20h 30m

1 stop

€919American Airlines

Wed, 2 Dec - Sun, 6 Dec

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JetBlue flights from Dublin to Illinois

Our best JetBlue deals on Dublin to Illinois flight tickets

JetBlue

27 Aug

DUB11:30Dublin

16h 28m

1 stop

ORD21:58Chicago O'Hare Intl

31 Aug

ORD11:01Chicago O'Hare Intl

15h 19m

1 stop

DUB08:20Dublin

€552

JetBlue

21 Aug

DUB11:30Dublin

16h 28m

1 stop

ORD21:58Chicago O'Hare Intl

1 Sept

ORD09:35Chicago O'Hare Intl

17h 25m

1 stop

DUB09:00Dublin

€554

JetBlue

12 Aug

DUB11:30Dublin

16h 28m

1 stop

ORD21:58Chicago O'Hare Intl

17 Aug

ORD11:01Chicago O'Hare Intl

15h 19m

1 stop

DUB08:20Dublin

€573

Aer Lingus flights from Dublin to Illinois

Our best Aer Lingus deals on Dublin to Illinois flight tickets

Aer Lingus

29 Aug

DUB11:35Dublin

8h 25m

ORD14:00Chicago O'Hare Intl

29 Aug

ORD21:00Chicago O'Hare Intl

7h 35m

DUB10:35Dublin

€547

Aer Lingus

8 Sept

DUB11:35Dublin

8h 25m

ORD14:00Chicago O'Hare Intl

16 Sept

ORD21:00Chicago O'Hare Intl

7h 35m

DUB10:35Dublin

€548

Aer Lingus

21 Oct

DUB11:35Dublin

8h 25m

ORD14:00Chicago O'Hare Intl

27 Oct

ORD16:55Chicago O'Hare Intl

7h 20m

DUB05:15Dublin

€581

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 2/9

05:55-14:30

1 stop14h 35m

Chicago O'Hare Intl

Wed 9/9

10:30-08:15

2 stops15h 45m

€538

DublinChicago

DUB - MDW

DUBMDW

Dublin

Thu 3/12

05:45-18:37

2 stops18h 52m

Chicago Midway

Mon 7/12

18:30-14:30

2 stops14h 00m

€539

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 27/8

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Mon 31/8

18:15-18:40

1 stop18h 25m

€540

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 7/10

08:55-14:30

1 stop11h 35m

Chicago O'Hare Intl

Mon 12/10

19:17-16:40

2 stops15h 23m

€540

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 27/8

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Mon 31/8

22:30-18:40

1 stop14h 10m

€542

Fastest return journey

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 27/8

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Sat 5/9

22:20-11:50

Nonstop7h 30m

€544

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 27/8

09:40-17:50

1 stop14h 10m

Chicago O'Hare Intl

Sat 5/9

22:20-11:50

Nonstop7h 30m

€545

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 23/9

13:35-23:38

1 stop16h 03m

Lambert-St Louis

Sat 3/10

17:36-09:45

1 stop10h 09m

€862

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 2/12

11:30-21:08

2 stops15h 38m

Lambert-St Louis

Sun 6/12

10:47-08:30

1 stop15h 43m

€917

DublinSt. Louis

DUB - STL

DUBSTL

Dublin

Wed 2/12

11:30-10:51

2 stops29h 21m

Lambert-St Louis

Sun 6/12

06:00-08:30

1 stop20h 30m

€919

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 November. Flight prices, which tend to average around €418, 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 September is your next best option. Flight prices from Dublin to Illinois during September average around €534.

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 €647. 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 €797.

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 €613. 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 €808. 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 from Dublin 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 €594 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 €504 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 8% 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	€716
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 €716. The best return flight deal from Dublin to Illinois found on momondo in the last 72 hours is €702.

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 July 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 787-8 Dreamliner, making up 31.87% of the total bookings. Other popular models include Airbus A330-300 with 27.88%, Boeing 787 Dreamliner with 14.35%, and Airbus A330 with 8.38%.

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
Aer Lingus	PriceFrom €409	Free Cancellation	Rating 7.3 1,678 reviews	Search Aer Lingus flights
Finnair	PriceFrom €413	Free Cancellation	Rating 7.6 1,423 reviews	Search Finnair flights
United Airlines	PriceFrom €415	Free Cancellation	Rating 7.4 10,035 reviews	Search United Airlines flights
American Airlines	PriceFrom €429	Free Cancellation	Rating 7.1 11,845 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.