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

TAP AIR PORTUGAL is the most popular carrier operating from Dublin to Chicago

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

As of August 2025, there are 138 flights per week flying from Dublin to Chicago. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

Flights via Copenhagen (CPH) offer the lowest average return price of €329.

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

Reykjavik (KEF) was the most common stop: 47% of momondo users choosing one-stop flights on this route connected there.

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

The number of flights available between Dublin and Chicago is 19 per day as of August 2025. The most frequent departure time is 11:00, with 50% of daily flights leaving in the afternoon.

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.

Which airlines fly to Chicago?

Aer Lingus, Icelandair and United Airlines 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 72% of people opting to fly with this airline when travelling to Chicago. Keep in mind that there are 6 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

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.

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 August 2025, there are 6 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.

€240 Cheap Flights from Dublin to Chicago in 2025

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Find the cheapest flights from Dublin to Chicago

Round-trip

One-way

Last minute

Direct

Cheap return flights

19:05 - 16:45DUB-ORD

27h 40m1 stop

19:20 - 11:20ORD-DUB

34h 00m2 stops

€315Scandinavian Airlines

Find Deal

Sun, 9 Nov - Fri, 14 Nov

19:05 - 16:45DUB-ORD

27h 40m1 stop

19:20 - 09:25ORD-DUB

32h 05m1 stop

€318Scandinavian Airlines

Find Deal

Sun, 9 Nov - Fri, 14 Nov

19:05 - 16:45DUB-ORD

27h 40m1 stop

19:20 - 09:25ORD-DUB

32h 05m1 stop

€319Scandinavian Airlines

Find Deal

Sun, 9 Nov - Fri, 14 Nov

12:15 - 18:15DUB-ORD

12h 00m1 stop

19:25 - 13:15ORD-DUB

11h 50m1 stop

€325Icelandair

Find Deal

Wed, 10 Sep - Wed, 1 Oct

11:30 - 17:20DUB-ORD

11h 50m1 stop

18:30 - 10:15ORD-DUB

9h 45m1 stop

€326Icelandair

Find Deal

Wed, 12 Nov - Fri, 28 Nov

05:10 - 15:20DUB-ORD

16h 10m1 stop

18:35 - 08:10ORD-DUB

7h 35mdirect

€373Lufthansa

Find Deal

Fri, 21 Nov - Mon, 24 Nov

12:45 - 11:50DUB-ORD

29h 05m1 stop

17:40 - 19:30ORD-DUB

19h 50m1 stop

€375

Find Deal

Thu, 25 Sep - Thu, 2 Oct

05:55 - 12:55DUB-ORD

13h 00m1 stop

20:20 - 09:45ORD-DUB

7h 25mdirect

€377Lufthansa

Find Deal

Thu, 25 Sep - Thu, 2 Oct

08:35 - 14:50DUB-ORD

12h 15m1 stop

19:10 - 11:55ORD-DUB

10h 45m1 stop

€380British Airways

Find Deal

Thu, 25 Sep - Thu, 2 Oct

12:00 - 17:35DUB-MDW

11h 35m1 stop

13:43 - 07:55MDW-DUB

12h 12m1 stop

€418

Find Deal

Sat, 27 Sep - Sat, 4 Oct

Lufthansa flights from Dublin to Chicago

Our best Lufthansa deals on Dublin to Chicago flight tickets

Lufthansa

21 Nov

DUB05:10Dublin

16h 10m

1 stop

ORD15:20Chicago O'Hare Intl

24 Nov

ORD18:35Chicago O'Hare Intl

7h 35m

DUB08:10Dublin

€373

Find similar

Lufthansa

25 Sept

DUB05:55Dublin

13h 00m

1 stop

ORD12:55Chicago O'Hare Intl

2 Oct

ORD20:20Chicago O'Hare Intl

7h 25m

DUB09:45Dublin

€377

Find similar

Lufthansa

21 Aug

DUB05:55Dublin

15h 00m

1 stop

ORD14:55Chicago O'Hare Intl

1 Sept

ORD21:40Chicago O'Hare Intl

15h 35m

1 stop

DUB19:15Dublin

€579

Find similar

Icelandair flights from Dublin to Chicago

Our best Icelandair deals on Dublin to Chicago flight tickets

Icelandair

10 Sept

DUB12:15Dublin

12h 00m

1 stop

ORD18:15Chicago O'Hare Intl

1 Oct

ORD19:25Chicago O'Hare Intl

11h 50m

1 stop

DUB13:15Dublin

€325

Find similar

Icelandair

12 Nov

DUB11:30Dublin

11h 50m

1 stop

ORD17:20Chicago O'Hare Intl

28 Nov

ORD18:30Chicago O'Hare Intl

9h 45m

1 stop

DUB10:15Dublin

€326

Find similar

Icelandair

10 Sept

DUB12:15Dublin

12h 00m

1 stop

ORD18:15Chicago O'Hare Intl

1 Oct

ORD19:25Chicago O'Hare Intl

11h 50m

1 stop

DUB13:15Dublin

€326

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 9/11

19:05-16:45

1 stop27h 40m

Chicago O'Hare Intl

Fri 14/11

19:20-11:20

2 stops34h 00m

€315

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 9/11

19:05-16:45

1 stop27h 40m

Chicago O'Hare Intl

Fri 14/11

19:20-09:25

1 stop32h 05m

€318

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 9/11

19:05-16:45

1 stop27h 40m

Chicago O'Hare Intl

Fri 14/11

19:20-09:25

1 stop32h 05m

€319

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 10/9

12:15-18:15

1 stop12h 00m

Chicago O'Hare Intl

Wed 1/10

19:25-13:15

1 stop11h 50m

€325

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 12/11

11:30-17:20

1 stop11h 50m

Chicago O'Hare Intl

Fri 28/11

18:30-10:15

1 stop9h 45m

€326

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 21/11

05:10-15:20

1 stop16h 10m

Chicago O'Hare Intl

Mon 24/11

18:35-08:10

Nonstop7h 35m

€373

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 25/9

12:45-11:50

1 stop29h 05m

Chicago O'Hare Intl

Thu 2/10

17:40-19:30

1 stop19h 50m

€375

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 25/9

05:55-12:55

1 stop13h 00m

Chicago O'Hare Intl

Thu 2/10

20:20-09:45

Nonstop7h 25m

€377

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 25/9

08:35-14:50

1 stop12h 15m

Chicago O'Hare Intl

Thu 2/10

19:10-11:55

1 stop10h 45m

€380

DublinChicago

DUB - MDW

DUBMDW

Dublin

Sat 27/9

12:00-17:35

1 stop11h 35m

Chicago Midway

Sat 4/10

13:43-07:55

1 stop12h 12m

€418

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 cheapest month to fly to Chicago?

The cheapest month to fly to Chicago from Dublin is in January. Flight prices, which tend to average around €427, are often lower during this time because this is during the off-season. If you don’t want to visit Chicago in January, then you should wait until November to fly from Dublin, when ticket prices are also cheap, with an average price of €439.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as €616. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Chicago on Sunday is €715.

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 €521. 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 €677 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 €514 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 €443 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?

You could potentially save up to 46% on your flight if you consider stops on a Dublin to Chicago flight.

How have Dublin to Chicago flight prices changed over time?

As of August 2025, prices for Dublin to Chicago flights are approximately 9% 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	€240
Fastest flight time	11h 35m
Direct flights	Every day
Airports in Chicago	2 airports

The best one-way flight to Chicago from Dublin in the past 72 hours is €240. The best return flight deal from Dublin to Chicago found on momondo in the last 72 hours is €315.

The fastest flight from Dublin to Chicago takes 11h 35m

Direct flights go from Dublin to Chicago every day.

There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

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 11h 35m.
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 August 2025, there are 6 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 (27.13% of total bookings). The next most popular plane models are Boeing 787 Dreamliner (26.62%), Airbus A330-300 (21.69%), and Airbus A330 (8.51%).
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 49% of all bookings. The subsequent popular airlines are Icelandair at 12%, United Airlines at 10%, and American Airlines at 9%.

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
Icelandair	PriceFrom €337	Free Cancellation	Rating 7.0 526 reviews	Search Icelandair flights
British Airways	PriceFrom €345	Free Cancellation	Rating 6.6 7,265 reviews	Search British Airways flights
United Airlines	PriceFrom €357	Free Cancellation	Rating 7.4 8,920 reviews	Search United Airlines flights
Aer Lingus	PriceFrom €379	Free Cancellation	Rating 7.1 1,210 reviews	Search Aer Lingus flights
Finnair	PriceFrom €391	Free Cancellation	Rating 7.6 1,321 reviews	Search Finnair flights
American Airlines	PriceFrom €438	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Finnair Flights From Dublin to Chicago
Finnair operates around 7 flights from Dublin to Chicago every week. The average price of these flights found in the last 72 hours has been €728, but momondo users have found Finnair deals from Dublin to Chicago from as low as €455 round-trip. Finnair has been scored 7.6/10 in 1,321 reviews.
United Airlines Flights From Dublin to Chicago
United Airlines is also a popular choice for this route. United Airlines flight deals for Dublin to Chicago start from as low as €415 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around €681. United Airlines operates 7 flights to Chicago from Dublin in an average week. Users have rated it 7.4/10 across 8,920 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.

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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

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Flights to Bostonfrom €292

Flights to Washington, D.C.from €281

Flights to Anchoragefrom €858

Flights to Tampafrom €468

Flights to Dallasfrom €464

Flights to Denverfrom €391

Cheap flights from Dublin to Chicago from €240

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 11/11. 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

Lufthansa flights from Dublin to Chicago

Our best Lufthansa deals on Dublin to Chicago flight tickets

Icelandair flights from Dublin to Chicago

Our best Icelandair deals on Dublin to Chicago flight tickets

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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 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?

You could potentially save up to 46% on your flight if you consider stops on a Dublin to Chicago flight.

How have Dublin to Chicago flight prices changed over time?

As of August 2025, prices for Dublin to Chicago flights are approximately 9% more expensive when compared to flights at the same time last year.

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

TAP AIR PORTUGAL is the most popular carrier 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: 47% 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 €329.

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 19 per day as of August 2025. The most frequent departure time is 11:00, with 50% of daily flights leaving in the afternoon.

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

As of August 2025, there are 138 flights per week flying from Dublin to Chicago. The most common day of the week flights depart is Mon, with 14% 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

Finnair Flights From Dublin to Chicago

United Airlines 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

Fly into one of these airports located in Chicago