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

Aer Lingus, American Airlines, and Icelandair are the most popular carriers operating from Dublin to Chicago

Which airlines fly to Chicago?

Aer Lingus, United Airlines and Icelandair are the top three most popular airlines that fly to Chicago from Dublin according to our data. Aer Lingus is the first choice among our users, with 71% of people opting to fly with this airline when travelling to Chicago. Keep in mind that there are 5 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Dublin and Chicago is 12 per day as of November 2025. The most frequent departure time is 10:00, with 68% of daily flights leaving at midday.

Which airport is the most popular for stopovers for flights between Dublin and Chicago?

Reykjavik (KEF) was the most common stop: 40% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport has the shortest travel time from Dublin to Chicago?

Flights connecting via Washington, D.C. (IAD) have the shortest average one-way travel time: 11h 25m.

Which stopover airport offers the lowest fares from Dublin to Chicago?

Flights via Copenhagen (CPH) offer the lowest average return price of €380.

Which stopover airport has the shortest connection time from Dublin to Chicago?

Washington, D.C. (IAD) has the shortest average stopover time for this route: 0h 56m.

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

As of November 2025, there are 88 flights per week flying from Dublin to Chicago. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

When did momondo last update prices for flights from Dublin Airport to Chicago?

Prices for flights from Dublin Airport to Chicago are refreshed on a daily basis.

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

As of November 2025, there are 5 operators available to choose from for flights from Dublin Airport to Chicago.

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

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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Chicago.

What documentation or ID do you need to fly to Chicago?

The travel and health documents required for your trip to Chicago 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 Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

€336 Cheap Flights from Dublin to Chicago in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Dublin to Chicago

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

05:10 - 13:10DUB-ORD

14h 00m1 stop

18:50 - 17:45ORD-DUB

16h 55m1 stop

€394Multiple Airlines

Find Deal

Mon, 9 Feb - Sun, 15 Feb

05:00 - 15:20DUB-ORD

16h 20m1 stop

19:35 - 08:10ORD-DUB

7h 35mdirect

€395Lufthansa

Find Deal

Tue, 24 Feb - Tue, 10 Mar

13:10 - 17:00DUB-ORD

33h 50m1 stop

18:25 - 12:35ORD-DUB

12h 10m1 stop

€396American Airlines

Find Deal

Sat, 22 Nov - Mon, 1 Dec

05:10 - 15:20DUB-ORD

16h 10m1 stop

18:35 - 08:10ORD-DUB

7h 35mdirect

€397Lufthansa

Find Deal

Sun, 8 Feb - Sun, 15 Feb

05:10 - 13:10DUB-ORD

14h 00m1 stop

18:35 - 08:10ORD-DUB

7h 35mdirect

€397Lufthansa

Find Deal

Sat, 7 Feb - Sun, 15 Feb

08:50 - 18:45DUB-ORD

15h 55m1 stop

21:45 - 15:00ORD-DUB

11h 15m1 stop

€398British Airways

Find Deal

Fri, 27 Feb - Sat, 7 Mar

11:15 - 16:45DUB-ORD

35h 30m2 stops

19:20 - 18:10ORD-DUB

16h 50m2 stops

€400Scandinavian Airlines

Find Deal

Thu, 12 Feb - Thu, 26 Feb

05:00 - 14:55DUB-ORD

15h 55m2 stops

07:15 - 06:10ORD-DUB

17h 55m2 stops

€401Multiple Airlines

Find Deal

Tue, 24 Feb - Tue, 10 Mar

04:25 - 15:25DUB-ORD

17h 00m1 stop

20:15 - 23:20ORD-DUB

21h 05m1 stop

€402TAP AIR PORTUGAL

Find Deal

Thu, 19 Feb - Fri, 27 Feb

08:35 - 15:55DUB-ORD

13h 20m1 stop

21:15 - 14:45ORD-DUB

11h 30m1 stop

€403British Airways

Find Deal

Tue, 31 Mar - Tue, 7 Apr

British Airways flights from Dublin to Chicago

Our best British Airways deals on Dublin to Chicago flight tickets

British Airways

27 Feb

DUB08:50Dublin

15h 55m

1 stop

ORD18:45Chicago O'Hare Intl

7 Mar

ORD21:45Chicago O'Hare Intl

11h 15m

1 stop

DUB15:00Dublin

€398

Find similar

British Airways

31 Mar

DUB08:35Dublin

13h 20m

1 stop

ORD15:55Chicago O'Hare Intl

7 Apr

ORD21:15Chicago O'Hare Intl

11h 30m

1 stop

DUB14:45Dublin

€403

Find similar

United Airlines flights from Dublin to Chicago

Our best United Airlines deals on Dublin to Chicago flight tickets

United Airlines

6 Feb

DUB09:00Dublin

12h 10m

1 stop

ORD15:10Chicago O'Hare Intl

14 Feb

ORD18:35Chicago O'Hare Intl

7h 35m

DUB08:10Dublin

€409

Find similar

United Airlines

27 Feb

DUB09:00Dublin

16h 30m

1 stop

ORD19:30Chicago O'Hare Intl

8 Mar

ORD19:35Chicago O'Hare Intl

7h 35m

DUB08:10Dublin

€410

Find similar

United Airlines

7 Feb

DUB10:40Dublin

8h 50m

ORD13:30Chicago O'Hare Intl

15 Feb

ORD18:35Chicago O'Hare Intl

7h 35m

DUB08:10Dublin

€414

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 9/2

05:10-13:10

1 stop14h 00m

Chicago O'Hare Intl

Sun 15/2

18:50-17:45

1 stop16h 55m

€394

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 24/2

05:00-15:20

1 stop16h 20m

Chicago O'Hare Intl

Tue 10/3

19:35-08:10

Nonstop7h 35m

€395

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 22/11

13:10-17:00

1 stop33h 50m

Chicago O'Hare Intl

Mon 1/12

18:25-12:35

1 stop12h 10m

€396

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 8/2

05:10-15:20

1 stop16h 10m

Chicago O'Hare Intl

Sun 15/2

18:35-08:10

Nonstop7h 35m

€397

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 7/2

05:10-13:10

1 stop14h 00m

Chicago O'Hare Intl

Sun 15/2

18:35-08:10

Nonstop7h 35m

€397

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 27/2

08:50-18:45

1 stop15h 55m

Chicago O'Hare Intl

Sat 7/3

21:45-15:00

1 stop11h 15m

€398

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 12/2

11:15-16:45

2 stops35h 30m

Chicago O'Hare Intl

Thu 26/2

19:20-18:10

2 stops16h 50m

€400

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 24/2

05:00-14:55

2 stops15h 55m

Chicago O'Hare Intl

Tue 10/3

07:15-06:10

2 stops17h 55m

€401

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 19/2

04:25-15:25

1 stop17h 00m

Chicago O'Hare Intl

Fri 27/2

20:15-23:20

1 stop21h 05m

€402

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 31/3

08:35-15:55

1 stop13h 20m

Chicago O'Hare Intl

Tue 7/4

21:15-14:45

1 stop11h 30m

€403

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 Chicago

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

Stopovers

Other information

What is the typical price of a round-trip flight between Dublin and Chicago?

What is the cheapest month to fly to Chicago?

The cheapest month to fly to Chicago from Dublin is in September. Flight prices, which tend to average around €408, are often lower during this time because this is during the off-season. If you don’t want to visit Chicago in September, then you should wait until November to fly from Dublin, when ticket prices are also cheap, with an average price of €413.

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

On average, the least expensive day to fly to Chicago from Dublin is on a Friday. momondo users have found tickets for Friday departures for as low as €634. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Chicago on Tuesday is €732.

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

In the evening is the cheapest time of day to fly from Dublin to Chicago when you can find flight prices for as low as €524. Flying to Chicago in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €682 on average. Flights to Chicago from Dublin at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Dublin to Chicago flight route?

Fly from Dublin to Chicago O'Hare Intl for the best Dublin - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around €520 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Dublin for as low as €468 on momondo.

What cabin class options are available on Dublin to Chicago flights?

There are 3 cabin classes available to choose from on Dublin to Chicago 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 Chicago flights?

No. A direct flight is the cheapest option for a flight between Dublin to Chicago.

How have Dublin to Chicago flight prices changed over time?

As of November 2025, prices for Dublin to Chicago flights are approximately 36% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Chicago according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Dublin to Chicago (DUB to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Chicago

Best price found	€396
Fastest flight time	8h 05m
Direct flights	Every day
Airports in Chicago	1 airport

The best one-way flight to Chicago from Dublin in the past 72 hours is €396. The best return flight deal from Dublin to Chicago found on momondo in the last 72 hours is €594.

The fastest flight from Dublin to Chicago takes 8h 05m

Direct flights go from Dublin to Chicago every day.

There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)

Search flight deals

How far is Dublin to Chicago by plane?
Chicago is 5885.8 km away from Dublin. By plane, this route typically takes 8h 30m.
When did momondo last update prices for flights from Dublin Airport to Chicago?
Prices for flights from Dublin Airport to Chicago are refreshed on a daily basis.
How many operators does momondo search for flights from Dublin Airport to Chicago?
As of November 2025, there are 5 operators available to choose from for flights from Dublin Airport to Chicago.
How old do you have to be to fly from Dublin Airport to Chicago?
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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents required for your trip to Chicago 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 Chicago. 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 Chicago?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Dublin to Chicago is Boeing 787-8 Dreamliner (23.80% of total bookings). The next most popular plane models are Boeing 767-300 (20.64%), Boeing 787 Dreamliner (19.53%), and Airbus A330-300 (17.31%).
What is the most popular airline from Dublin to Chicago?
momondo data reveals that the most frequently booked airline on the route from Dublin to Chicago is Aer Lingus, representing 43% of all bookings. The subsequent popular airlines are United Airlines at 13%, Icelandair at 12%, and American Airlines at 8%.

Best airlines flying from Dublin to Chicago

Compare and see reviews for airlines that fly from Dublin to Chicago with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom €359	Free Cancellation	Rating 7.4 9,016 reviews	Search United Airlines flights
Icelandair	PriceFrom €378	Free Cancellation	Rating 7.1 578 reviews	Search Icelandair flights
Aer Lingus	PriceFrom €391	Free Cancellation	Rating 7.2 1,370 reviews	Search Aer Lingus flights
British Airways	PriceFrom €403	Free Cancellation	Rating 6.7 7,513 reviews	Search British Airways flights
American Airlines	PriceFrom €515	Free Cancellation	Rating 7.2 11,049 reviews	Search American Airlines flights

United Airlines Flights From Dublin to Chicago
United Airlines operates around 7 flights from Dublin to Chicago every week. The average price of these flights found in the last 72 hours has been €581, but momondo users have found United Airlines deals from Dublin to Chicago from as low as €359 round-trip. United Airlines has been scored 7.4/10 in 9,015 reviews.
Aer Lingus Flights From Dublin to Chicago
Aer Lingus is also a popular choice for this route. Aer Lingus flight deals for Dublin to Chicago start from as low as €391 round-trip, depending on your selected dates, with average Aer Lingus deals seen on momondo around €526. Aer Lingus operates 11 flights to Chicago from Dublin in an average week. Users have rated it 7.2/10 across 1,370 reviews.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Dublin.

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

Yes. momondo enables you to select and highlight flights to Chicago from Dublin with this policy.

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

Once you have performed a search for Dublin to Chicago 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 Chicago right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Dublin and alert you when they change.

An easier way to manage your Chicago 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Fri 12/12

Fri 19/12

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Chicago Midway Airport

Chicago O'Hare Intl Airport

Popular Cities in the United States

Flights to New Yorkfrom €262

Flights to Orlandofrom €386

Flights to Miamifrom €337

Flights to Los Angelesfrom €395

Flights to San Franciscofrom €386

Flights to Bostonfrom €316

Flights to Las Vegasfrom €385

Flights to Anchoragefrom €987

Flights to Washington, D.C.from €342

Flights to Dallasfrom €571

Flights to Denverfrom €499

Flights to Tampafrom €473

Cheap flights from Dublin to Chicago from €378

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 Chicago departing on 14/12. 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

Price Alerts

Price Alerts

Find the cheapest flights from Dublin to Chicago

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

British Airways flights from Dublin to Chicago

Our best British Airways deals on Dublin to Chicago flight tickets

United Airlines flights from Dublin to Chicago

Our best United Airlines deals on Dublin to Chicago flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Dublin to Chicago that are best for you.

See travel insights to Chicago from

How to get the cheapest flight ticket from Dublin to Chicago

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 typical price of a round-trip flight between Dublin and Chicago?

What is the cheapest month to fly to Chicago?

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

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

What is the cheapest Dublin to Chicago flight route?

Fly from Dublin to Chicago O'Hare Intl for the best Dublin - Chicago flight prices

How far in advance should I book a flight to Chicago?

What cabin class options are available on Dublin to Chicago flights?

There are 3 cabin classes available to choose from on Dublin to Chicago 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 Chicago flights?

No. A direct flight is the cheapest option for a flight between Dublin to Chicago.

How have Dublin to Chicago flight prices changed over time?

As of November 2025, prices for Dublin to Chicago flights are approximately 36% more expensive when compared to flights at the same time last year.

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

Aer Lingus, American Airlines, and Icelandair are the most popular carriers operating from Dublin to Chicago

Which airlines fly to Chicago?

Which airport is the most popular for stopovers for flights between Dublin and Chicago?

Reykjavik (KEF) was the most common stop: 40% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from Dublin to Chicago?

Flights via Copenhagen (CPH) offer the lowest average return price of €380.

Which stopover airport has the shortest travel time from Dublin to Chicago?

Flights connecting via Washington, D.C. (IAD) have the shortest average one-way travel time: 11h 25m.

Which stopover airport has the shortest connection time from Dublin to Chicago?

Washington, D.C. (IAD) has the shortest average stopover time for this route: 0h 56m.

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

The number of flights available between Dublin and Chicago is 12 per day as of November 2025. The most frequent departure time is 10:00, with 68% of daily flights leaving at midday.

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

As of November 2025, there are 88 flights per week flying from Dublin to Chicago. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

When to book flights from Dublin to Chicago

Cheap Dublin to Chicago (DUB to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Chicago

Best price found

Fastest flight time

Direct flights

Airports in Chicago

How far is Dublin to Chicago by plane?

When did momondo last update prices for flights from Dublin Airport to Chicago?

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

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

What documentation or ID do you need to fly to Chicago?

What is the most popular plane model from Dublin to Chicago?

What is the most popular airline from Dublin to Chicago?

Best airlines flying from Dublin to Chicago

Compare and see reviews for airlines that fly from Dublin to Chicago with momondo

United Airlines Flights From Dublin to Chicago

Aer Lingus Flights From Dublin to Chicago

Why use momondo?

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

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

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

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

An easier way to manage your Chicago 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 the United States