What is the most punctual flight time for Dublin to Chicago flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Which airline has the best punctuality record on Dublin to Chicago flights?

According to our data, Etihad Airways have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

Which stopover airport offers the lowest fares from Dublin to Chicago O'Hare Intl Airport?

Flights via Copenhagen (CPH) offer the lowest average return price of €467.

Which airlines fly to Chicago O'Hare Intl Airport?

Aer Lingus, United Airlines and Icelandair are the top three most popular airlines that fly to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport. Keep in mind that there are 5 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

How often are flights from Dublin to Chicago delayed?

Historically, on average around 15% of flights between Dublin and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 167 minutes.

Which stopover airport has the shortest connection time from Dublin to Chicago O'Hare Intl Airport?

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

Which airport is the most popular for stopovers for flights between Dublin and Chicago O'Hare Intl Airport?

Copenhagen (CPH) was the most common stop: 29% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport has the shortest travel time from Dublin to Chicago O'Hare Intl Airport?

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

What is the cheapest airline that flies from Dublin to Chicago O'Hare Intl?

Aer Lingus, American Airlines, and Scandinavian Airlines are the most popular carriers operating from Dublin to Chicago O'Hare Intl

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

How many flights depart from Dublin to Chicago O'Hare Intl Airport on average per week?

As of October 2025, there are 21 flights per week flying from Dublin to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Sat, with 62% of flights taking off on this day.

How many flights depart from Dublin to Chicago O'Hare Intl Airport on average per day?

The number of flights available between Dublin and Chicago O'Hare Intl Airport is 3 per day as of October 2025. The most frequent departure time is 11:00, with 72% of daily flights leaving at midday.

When did momondo last update prices for flights from Dublin Airport to Chicago O'Hare Intl Airport?

Prices for flights from Dublin Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Dublin Airport to Chicago O'Hare Intl Airport?

There are 5 operators available for flights from Dublin Airport to Chicago O'Hare Intl Airport as of October 2025.

How old do you have to be to fly from Dublin Airport to Chicago O'Hare Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

€356 Cheap Flights from Dublin to Chicago O'Hare Intl Airport in 2025/26

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11:30 - 19:08DUB-ORD

13h 38m2 stops

17:10 - 09:50ORD-DUB

10h 40m1 stop

€392American Airlines

Find Deal

Tue, 4 Nov - Sat, 15 Nov

05:00 - 13:10DUB-ORD

14h 10m1 stop

21:50 - 17:10ORD-DUB

13h 20m1 stop

€392Lufthansa

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Thu, 6 Nov - Sun, 16 Nov

05:55 - 14:20DUB-ORD

14h 25m1 stop

17:20 - 15:45ORD-DUB

16h 25m1 stop

€393Delta

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Wed, 24 Dec - Sat, 10 Jan

11:30 - 14:00DUB-ORD

8h 30mdirect

15:50 - 05:10ORD-DUB

7h 20mdirect

€395Aer Lingus

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Fri, 7 Nov - Sat, 8 Nov

05:55 - 14:20DUB-ORD

14h 25m1 stop

06:45 - 07:45ORD-DUB

19h 00m1 stop

€396Delta

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Sun, 9 Nov - Sun, 16 Nov

09:00 - 19:30DUB-ORD

16h 30m1 stop

18:20 - 10:20ORD-DUB

10h 00m1 stop

€398United Airlines

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Sun, 9 Nov - Tue, 18 Nov

09:00 - 15:10DUB-ORD

12h 10m1 stop

11:18 - 09:55ORD-DUB

16h 37m2 stops

€399United Airlines

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Mon, 8 Dec - Mon, 15 Dec

10:20 - 23:36DUB-ORD

19h 16m2 stops

16:33 - 14:50ORD-DUB

16h 17m2 stops

€420British Airways

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Wed, 17 Dec - Thu, 15 Jan

07:00 - 15:25DUB-ORD

14h 25m1 stop

15:30 - 14:05ORD-DUB

16h 35m2 stops

€425British Airways

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Mon, 22 Dec - Wed, 14 Jan

11:30 - 14:00DUB-ORD

8h 30mdirect

20:40 - 09:00ORD-DUB

7h 20mdirect

€453Aer Lingus

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Sun, 1 Mar - Wed, 11 Mar

Delta flights from Dublin to Chicago O'Hare Intl Airport

Our best Delta deals on Dublin to Chicago O'Hare Intl Airport flight tickets

Delta

24 Dec

DUB05:55Dublin

14h 25m

1 stop

ORD14:20Chicago O'Hare Intl

10 Jan

ORD17:20Chicago O'Hare Intl

16h 25m

1 stop

DUB15:45Dublin

€393

Find similar

Delta

9 Nov

DUB05:55Dublin

14h 25m

1 stop

ORD14:20Chicago O'Hare Intl

16 Nov

ORD06:45Chicago O'Hare Intl

19h 00m

1 stop

DUB07:45Dublin

€396

Find similar

Delta

4 Nov

DUB08:50Dublin

17h 33m

2 stops

ORD20:23Chicago O'Hare Intl

8 Dec

ORD17:20Chicago O'Hare Intl

16h 25m

1 stop

DUB15:45Dublin

€398

Find similar

American Airlines flights from Dublin to Chicago O'Hare Intl Airport

Our best American Airlines deals on Dublin to Chicago O'Hare Intl Airport flight tickets

American Airlines

4 Nov

DUB11:30Dublin

13h 38m

2 stops

ORD19:08Chicago O'Hare Intl

15 Nov

ORD17:10Chicago O'Hare Intl

10h 40m

1 stop

DUB09:50Dublin

€392

Find similar

American Airlines

31 Oct

DUB12:55Dublin

28h 35m

1 stop

ORD12:30Chicago O'Hare Intl

6 Nov

ORD20:40Chicago O'Hare Intl

14h 45m

1 stop

DUB17:25Dublin

€394

Find similar

American Airlines

6 Nov

DUB13:10Dublin

11h 35m

1 stop

ORD18:45Chicago O'Hare Intl

13 Nov

ORD08:30Chicago O'Hare Intl

18h 10m

1 stop

DUB08:40Dublin

€402

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Dublin to Chicago O'Hare Intl Airport that are best for you.

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Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 4/11

11:30-19:08

2 stops13h 38m

Chicago O'Hare Intl

Sat 15/11

17:10-09:50

1 stop10h 40m

€392

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 6/11

05:00-13:10

1 stop14h 10m

Chicago O'Hare Intl

Sun 16/11

21:50-17:10

1 stop13h 20m

€392

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 24/12

05:55-14:20

1 stop14h 25m

Chicago O'Hare Intl

Sat 10/1

17:20-15:45

1 stop16h 25m

€393

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 7/11

11:30-14:00

Nonstop8h 30m

Chicago O'Hare Intl

Sat 8/11

15:50-05:10

Nonstop7h 20m

€395

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 9/11

05:55-14:20

1 stop14h 25m

Chicago O'Hare Intl

Sun 16/11

06:45-07:45

1 stop19h 00m

€396

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 9/11

09:00-19:30

1 stop16h 30m

Chicago O'Hare Intl

Tue 18/11

18:20-10:20

1 stop10h 00m

€398

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 8/12

09:00-15:10

1 stop12h 10m

Chicago O'Hare Intl

Mon 15/12

11:18-09:55

2 stops16h 37m

€399

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 17/12

10:20-23:36

2 stops19h 16m

Chicago O'Hare Intl

Thu 15/1

16:33-14:50

2 stops16h 17m

€420

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 22/12

07:00-15:25

1 stop14h 25m

Chicago O'Hare Intl

Wed 14/1

15:30-14:05

2 stops16h 35m

€425

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 1/3

11:30-14:00

Nonstop8h 30m

Chicago O'Hare Intl

Wed 11/3

20:40-09:00

Nonstop7h 20m

€453

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Dublin to Chicago O'Hare Intl Airport

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

Delays

Stopovers

Other information

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

In general, September is the cheapest month to fly from Dublin to Chicago O'Hare Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €421. If you are unable to visit Chicago O'Hare Intl Airport during the month of September, then departing from Dublin during the month February is also very affordable. Most momondo users find prices during this month for around €435.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

On average, the least expensive day to fly to Chicago O'Hare Intl Airport from Dublin is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as €632. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Chicago O'Hare Intl Airport is Sunday, with ticket prices averaging around €728.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Our data shows that the cheapest Dublin to Chicago O'Hare Intl Airport flights are usually those with departure times in the evening. Our users have found flights to Chicago O'Hare Intl Airport in the evening for as low as €522. Flights to Chicago O'Hare Intl Airport are more costly at midday, with an average ticket price of €682. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Dublin to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around €519 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Dublin for as low as €460 on momondo.

What cabin class options are available on Dublin to Chicago O'Hare Intl flights?

There are 3 cabin classes available to choose from on Dublin to Chicago O'Hare Intl 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 O'Hare Intl Airport flights?

You could potentially save up to 24% on your flight if you consider stops on a Dublin to Chicago O'Hare Intl Airport flight.

How have Dublin to Chicago O'Hare Intl Airport flight prices changed over time?

As of October 2025, prices for Dublin to Chicago O'Hare Intl Airport flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Chicago O'Hare Intl Airport

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

Estimated return price

Cheap Dublin to Chicago O'Hare Intl Airport (DUB to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Chicago O'Hare Intl Airport

Best price found	€398
Fastest flight time	8h 05m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from Dublin in the past 72 hours is €398. The best return flight deal from Dublin to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is €582.

The fastest flight from Dublin to Chicago O'Hare Intl Airport takes 8h 05m

Direct flights go from Dublin to Chicago O'Hare Intl Airport every day.

Search flight deals

How far is Dublin to Chicago O'Hare Intl by plane?
Chicago O'Hare Intl is 5895.0 km away from Dublin. In terms of flight time, this usually takes a little over 8h 30m.
When did momondo last update prices for flights from Dublin Airport to Chicago O'Hare Intl Airport?
Prices for flights from Dublin Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Dublin Airport to Chicago O'Hare Intl Airport?
There are 5 operators available for flights from Dublin Airport to Chicago O'Hare Intl Airport as of October 2025.
How old do you have to be to fly from Dublin Airport to Chicago O'Hare Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Dublin to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Dublin to Chicago O'Hare Intl Airport is Boeing 787 Dreamliner, representing 23.41% of all bookings. The subsequent popular models are Boeing 787-8 Dreamliner at 22.69%, Boeing 767-300 at 17.89%, and Airbus A330-300 at 17.04%.
What is the most popular airline from Dublin to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Dublin to Chicago O'Hare Intl Airport is Aer Lingus, representing 67% of all bookings. The subsequent popular airlines are United Airlines at 11%, Icelandair at 10%, and American Airlines at 6%.

Best airlines flying from Dublin to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Dublin to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom €354	Free Cancellation	Rating 7.1 561 reviews	Search Icelandair flights
United Airlines	PriceFrom €357	Free Cancellation	Rating 7.4 8,997 reviews	Search United Airlines flights
Aer Lingus	PriceFrom €390	Free Cancellation	Rating 7.2 1,355 reviews	Search Aer Lingus flights
British Airways	PriceFrom €401	Free Cancellation	Rating 6.7 7,471 reviews	Search British Airways flights
American Airlines	PriceFrom €513	Free Cancellation	Rating 7.2 11,032 reviews	Search American Airlines flights

United Airlines Flights From Dublin to Chicago O'Hare Intl Airport
United Airlines flies from Dublin to Chicago O'Hare Intl Airport around 1 time per week, with 8,997 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Dublin to Chicago O'Hare Intl Airport in the last 72 hours was €357 (round-trip), much lower than the average airfare cost of €586 for United Airlines flights on this route.
Aer Lingus Flights From Dublin to Chicago O'Hare Intl Airport
The best Aer Lingus deal for Dublin to Chicago O'Hare Intl Airport flight tickets found on momondo in the last 72 hours was €390, round-trip. It should be noted that an average Aer Lingus flight deal for this route in this time was higher, at €525 round-trip. Aer Lingus operates 3 flights out of Dublin into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 1,355 Aer Lingus reviews by users on momondo have scored the airline at 7.2/10.

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

All flight searches from Dublin to Chicago on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Chicago from Dublin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Dublin to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Dublin to Chicago from €377

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 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Dublin to Chicago O'Hare Intl Airport

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 O'Hare Intl Airport?

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest Dublin to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

What cabin class options are available on Dublin to Chicago O'Hare Intl flights?

There are 3 cabin classes available to choose from on Dublin to Chicago O'Hare Intl 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 O'Hare Intl Airport flights?

You could potentially save up to 24% on your flight if you consider stops on a Dublin to Chicago O'Hare Intl Airport flight.

How have Dublin to Chicago O'Hare Intl Airport flight prices changed over time?

As of October 2025, prices for Dublin to Chicago O'Hare Intl Airport flights are approximately 21% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Dublin to Chicago O'Hare Intl?

Aer Lingus, American Airlines, and Scandinavian Airlines are the most popular carriers operating from Dublin to Chicago O'Hare Intl

Which airlines fly to Chicago O'Hare Intl Airport?

How often are flights from Dublin to Chicago delayed?

Historically, on average around 15% of flights between Dublin and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 167 minutes.

What is the most punctual flight time for Dublin to Chicago flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Dublin to Chicago flights?

According to our data, Etihad Airways have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

Which airport is the most popular for stopovers for flights between Dublin and Chicago O'Hare Intl Airport?

Copenhagen (CPH) was the most common stop: 29% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from Dublin to Chicago O'Hare Intl Airport?

Flights via Copenhagen (CPH) offer the lowest average return price of €467.

Which stopover airport has the shortest travel time from Dublin to Chicago O'Hare Intl Airport?

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 O'Hare Intl Airport?

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

How many flights depart from Dublin to Chicago O'Hare Intl Airport on average per day?

The number of flights available between Dublin and Chicago O'Hare Intl Airport is 3 per day as of October 2025. The most frequent departure time is 11:00, with 72% of daily flights leaving at midday.

How many flights depart from Dublin to Chicago O'Hare Intl Airport on average per week?

As of October 2025, there are 21 flights per week flying from Dublin to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Sat, with 62% of flights taking off on this day.

When to book flights from Dublin to Chicago O'Hare Intl Airport

Cheap Dublin to Chicago O'Hare Intl Airport (DUB to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Chicago O'Hare Intl Airport

Best price found

Fastest flight time

Direct flights

How far is Dublin to Chicago O'Hare Intl by plane?

When did momondo last update prices for flights from Dublin Airport to Chicago O'Hare Intl Airport?

How many operators does momondo search for flights from Dublin Airport to Chicago O'Hare Intl Airport?

How old do you have to be to fly from Dublin Airport to Chicago O'Hare Intl Airport?

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

What is the most popular plane model from Dublin to Chicago O'Hare Intl Airport?

What is the most popular airline from Dublin to Chicago O'Hare Intl Airport?

Best airlines flying from Dublin to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Dublin to Chicago O'Hare Intl Airport with momondo

United Airlines Flights From Dublin to Chicago O'Hare Intl Airport

Aer Lingus Flights From Dublin to Chicago O'Hare Intl Airport

Travelling to a place near 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?