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

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

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

19 flights are operational daily from Dublin to Illinois as of September 2025. The most popular departure time for this route is 11:00, with 52% of flights per day 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 73% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 6 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, there are 133 flights per week flying from Dublin to Illinois. The most common day of the week flights depart is Mon, with 14% of 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 refresh daily.

How many operators does momondo search for flights from Dublin Airport to Illinois?

There are 6 operators available for flights from Dublin Airport to Illinois as of September 2025.

How old do you have to be to fly from Dublin Airport to Illinois?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 license, 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.

£327 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

12:30 - 21:05DUB-ORD

13h 35m1 stop

19:20 - 18:20ORD-DUB

17h 00m1 stop

£327Scandinavian Airlines

Find Deal

Wed, 29 Oct - Mon, 3 Nov

10:10 - 17:45DUB-ORD

12h 35m1 stop

19:20 - 11:20ORD-DUB

34h 00m2 stops

£328Scandinavian Airlines

Find Deal

Sat, 1 Nov - Fri, 7 Nov

10:10 - 17:45DUB-ORD

12h 35m1 stop

19:20 - 11:20ORD-DUB

34h 00m2 stops

£329Scandinavian Airlines

Find Deal

Sat, 1 Nov - Fri, 7 Nov

11:35 - 13:35DUB-ORD

8h 00mdirect

20:20 - 09:45ORD-DUB

7h 25mdirect

£330Lufthansa

Find Deal

Thu, 16 Oct - Mon, 20 Oct

15:20 - 17:55DUB-ORD

8h 35mdirect

19:40 - 09:00ORD-DUB

7h 20mdirect

£335Aer Lingus

Find Deal

Wed, 5 Nov - Wed, 12 Nov

09:00 - 19:30DUB-ORD

16h 30m1 stop

18:35 - 08:10ORD-DUB

7h 35mdirect

£347United Airlines

Find Deal

Sat, 8 Nov - Mon, 17 Nov

09:00 - 19:30DUB-ORD

16h 30m1 stop

13:00 - 10:20ORD-DUB

15h 20m1 stop

£348United Airlines

Find Deal

Sat, 15 Nov - Sat, 22 Nov

08:50 - 17:00DUB-ORD

14h 10m1 stop

18:30 - 12:35ORD-DUB

12h 05m1 stop

£355British Airways

Find Deal

Thu, 13 Nov - Mon, 17 Nov

10:55 - 23:37DUB-ORD

18h 42m2 stops

17:10 - 09:50ORD-DUB

10h 40m1 stop

£362British Airways

Find Deal

Tue, 11 Nov - Sat, 22 Nov

11:30 - 17:20DUB-ORD

11h 50m1 stop

18:30 - 10:15ORD-DUB

9h 45m1 stop

£376Icelandair

Find Deal

Mon, 16 Feb - Thu, 19 Feb

Scandinavian Airlines flights from Dublin to Illinois

Our best Scandinavian Airlines deals on Dublin to Illinois flight tickets

Scandinavian Airlines

29 Oct

DUB12:30Dublin

13h 35m

1 stop

ORD21:05Chicago O'Hare Intl

3 Nov

ORD19:20Chicago O'Hare Intl

17h 00m

1 stop

DUB18:20Dublin

£327

Find similar

Scandinavian Airlines

1 Nov

DUB10:10Dublin

12h 35m

1 stop

ORD17:45Chicago O'Hare Intl

7 Nov

ORD19:20Chicago O'Hare Intl

34h 00m

2 stops

DUB11:20Dublin

£328

Find similar

Scandinavian Airlines

1 Nov

DUB10:10Dublin

12h 35m

1 stop

ORD17:45Chicago O'Hare Intl

7 Nov

ORD19:20Chicago O'Hare Intl

34h 00m

2 stops

DUB11:20Dublin

£329

Find similar

KLM flights from Dublin to Illinois

Our best KLM deals on Dublin to Illinois flight tickets

KLM

5 Nov

DUB09:45Dublin

12h 30m

1 stop

MDW16:15Chicago Midway

12 Nov

MDW10:47Chicago Midway

14h 58m

1 stop

DUB07:45Dublin

£402

Find similar

KLM

30 Oct

DUB09:45Dublin

12h 58m

1 stop

MDW17:43Chicago Midway

12 Nov

MDW13:05Chicago Midway

12h 40m

1 stop

DUB07:45Dublin

£424

Find similar

KLM

21 Oct

DUB10:00Dublin

13h 43m

1 stop

MDW17:43Chicago Midway

27 Oct

MDW10:35Chicago Midway

16h 10m

1 stop

DUB07:45Dublin

£428

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 29/10

12:30-21:05

1 stop13h 35m

Chicago O'Hare Intl

Mon 3/11

19:20-18:20

1 stop17h 00m

£327

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 1/11

10:10-17:45

1 stop12h 35m

Chicago O'Hare Intl

Fri 7/11

19:20-11:20

2 stops34h 00m

£328

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 1/11

10:10-17:45

1 stop12h 35m

Chicago O'Hare Intl

Fri 7/11

19:20-11:20

2 stops34h 00m

£329

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 16/10

11:35-13:35

Nonstop8h 00m

Chicago O'Hare Intl

Mon 20/10

20:20-09:45

Nonstop7h 25m

£330

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 5/11

15:20-17:55

Nonstop8h 35m

Chicago O'Hare Intl

Wed 12/11

19:40-09:00

Nonstop7h 20m

£335

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 8/11

09:00-19:30

1 stop16h 30m

Chicago O'Hare Intl

Mon 17/11

18:35-08:10

Nonstop7h 35m

£347

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 15/11

09:00-19:30

1 stop16h 30m

Chicago O'Hare Intl

Sat 22/11

13:00-10:20

1 stop15h 20m

£348

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 13/11

08:50-17:00

1 stop14h 10m

Chicago O'Hare Intl

Mon 17/11

18:30-12:35

1 stop12h 05m

£355

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 11/11

10:55-23:37

2 stops18h 42m

Chicago O'Hare Intl

Sat 22/11

17:10-09:50

1 stop10h 40m

£362

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 16/2

11:30-17:20

1 stop11h 50m

Chicago O'Hare Intl

Thu 19/2

18:30-10:15

1 stop9h 45m

£376

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 month of January is, on average, the cheapest month to fly to Illinois from Dublin, with most prices found around £369. If you aren’t able to travel to Illinois during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £378.

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

The cheapest day to depart on your flight to Illinois is on a Tuesday when prices can be found for as low as £542. This is often the case because there is less demand to fly during this day of the week. Flights from Dublin to Illinois on a Monday will generally be more expensive and average around £601. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest Dublin to Illinois flights are usually those with departure times in the evening. Our users have found flights to Illinois in the evening for as low as £480. At midday is when there is more demand to fly to Illinois, so prices are often more expensive at around £591 per ticket.

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 £450 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 £397 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 43% 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	£545
Fastest flight time	8h 00m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Illinois	1 airport

The best one-way flight to Illinois from Dublin in the past 72 hours is £545. The best return flight deal from Dublin to Illinois found on momondo in the last 72 hours is £418.

The fastest flight from Dublin to Illinois takes 8h 00m

Direct flights go from Dublin to Illinois on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..

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 refresh daily.
How many operators does momondo search for flights from Dublin Airport to Illinois?
There are 6 operators available for flights from Dublin Airport to Illinois as of September 2025.
How old do you have to be to fly from Dublin Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 license, 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 this flight route, the most popular plane model on flight routes from Dublin to Illinois is Airbus A330-300 (26.30% of total bookings). The next most popular plane models are Boeing 787 Dreamliner (24.31%), Boeing 787-8 Dreamliner (22.75%), and Boeing 767-300 (10.27%).

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 £297	Free Cancellation	Rating 7.0 545 reviews	Search Icelandair flights
British Airways	PriceFrom £298	Free Cancellation	Rating 6.7 7,391 reviews	Search British Airways flights
Finnair	PriceFrom £314	Free Cancellation	Rating 7.6 1,326 reviews	Search Finnair flights
Aer Lingus	PriceFrom £341	Free Cancellation	Rating 7.2 1,296 reviews	Search Aer Lingus flights
American Airlines	PriceFrom £451	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom £467	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dublin to Illinois for you.

Can I find flights from Dublin to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from Dublin which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Dublin to Illinois?

Once you have performed a search for Dublin to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Dublin to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from Dublin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when 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.

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Wed 22/10

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Find better results for your trip to Illinois

Popular Cities in Illinois

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Flights to Washington, D.C.from £338

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Flights to Dallasfrom £312

Flights to Houstonfrom £347

Cheap flights from Dublin to Illinois from £327

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Illinois departing on 29/10. 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

Price Alerts

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Find the cheapest flights from Dublin to Illinois

Cheap return flights

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Cheap last-minute flights

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Scandinavian Airlines flights from Dublin to Illinois

Our best Scandinavian Airlines deals on Dublin to Illinois flight tickets

KLM flights from Dublin to Illinois

Our best KLM 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?

You could potentially save up to 43% on your flight if you consider stops on a Dublin to Illinois flight.

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

British Airways, JetBlue, and WestJet 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?

19 flights are operational daily from Dublin to Illinois as of September 2025. The most popular departure time for this route is 11:00, with 52% of flights per day taking off in the afternoon.

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

As of September 2025, there are 133 flights per week flying from Dublin to Illinois. The most common day of the week flights depart is Mon, with 14% of 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