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

WestJet, TAP AIR PORTUGAL, and Aer Lingus are the most popular carriers operating from Dublin to Chicago

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

The number of flights available between Dublin and Chicago is 80 per week as of November 2025. The most frequent departure day is Wed, with 16% of weekly flights leaving on this day.

What airlines fly to Chicago?

Aer Lingus, United Airlines and Lufthansa 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 76% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 3 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?

As of November 2025, there are 11 flights per day flying from Dublin to Chicago. The most common time of day flights depart is 10:00AM, with 68% of flights taking off at noon.

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

Prices for flights from Dublin Airport to Chicago are updated daily.

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

As of November 2025, there are 3 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?

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 layovers 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 Chicago.

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

The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$295 Cheap Flights from Dublin to Chicago in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $467 to $555. The lowest price recently found on this route was $459.

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 2:10 pmDUB-ORD

14h 10m1 stop

8:15 pm - 9:45 amORD-DUB

7h 30mnonstop

$459Lufthansa

Find Deal

Tue, Mar 24 - Tue, Mar 31

11:15 am - 4:45 pmDUB-ORD

35h 30m2 stops

7:20 pm - 6:10 pmORD-DUB

16h 50m2 stops

$463Scandinavian Airlines

Find Deal

Thu, Feb 12 - Thu, Feb 26

8:35 am - 3:55 pmDUB-ORD

13h 20m1 stop

9:15 pm - 2:45 pmORD-DUB

11h 30m1 stop

$464British Airways

Find Deal

Tue, Mar 31 - Tue, Apr 7

10:40 am - 2:30 pmDUB-ORD

8h 50mnonstop

8:15 pm - 9:45 amORD-DUB

7h 30mnonstop

$465Multiple Airlines

Find Deal

Tue, Mar 24 - Tue, Mar 31

11:30 am - 2:04 pmDUB-ORD

32h 34m1 stop

6:35 pm - 5:00 pmORD-DUB

16h 25m1 stop

$466American Airlines

Find Deal

Thu, Dec 4 - Wed, Dec 10

8:50 am - 2:20 pmDUB-ORD

11h 30m1 stop

10:24 am - 7:50 amORD-DUB

15h 26m2 stops

$467Delta

Find Deal

Mon, Jan 12 - Sun, Jan 18

11:30 am - 8:07 pmDUB-ORD

13h 37m1 stop

10:45 pm - 5:00 pmORD-DUB

13h 15m1 stop

$468Multiple Airlines

Find Deal

Fri, Mar 13 - Wed, Mar 18

8:50 am - 2:20 pmDUB-ORD

11h 30m1 stop

1:30 pm - 8:45 amORD-DUB

14h 15m1 stop

$470KLM

Find Deal

Sun, Mar 1 - Wed, Mar 11

8:50 am - 8:38 pmDUB-ORD

16h 48m2 stops

5:45 pm - 3:00 pmORD-DUB

15h 15m2 stops

$472Delta

Find Deal

Tue, Mar 24 - Tue, Mar 31

8:50 am - 2:20 pmDUB-ORD

11h 30m1 stop

4:25 pm - 12:40 pmORD-DUB

14h 15m1 stop

$473KLM

Find Deal

Sun, Nov 23 - Sat, Nov 29

Lufthansa flights from Dublin to Chicago

Our best Lufthansa deals on Dublin to Chicago flight tickets

Lufthansa

Mar 24

DUB5:00 amDublin

14h 10m

1 stop

ORD2:10 pmChicago O'Hare Intl

Mar 31

ORD8:15 pmChicago O'Hare Intl

7h 30m

DUB9:45 amDublin

$459

Find similar

Lufthansa

Nov 20

DUB11:45 amDublin

14h 20m

1 stop

ORD8:05 pmChicago O'Hare Intl

Nov 26

ORD10:35 pmChicago O'Hare Intl

18h 10m

1 stop

DUB10:45 pmDublin

$562

Find similar

Lufthansa

Nov 22

DUB5:10 amDublin

14h 00m

1 stop

ORD1:10 pmChicago O'Hare Intl

Dec 6

ORD6:35 pmChicago O'Hare Intl

7h 35m

DUB8:10 amDublin

$571

Find similar

Scandinavian Airlines flights from Dublin to Chicago

Our best Scandinavian Airlines deals on Dublin to Chicago flight tickets

Scandinavian Airlines

Feb 12

DUB11:15 amDublin

35h 30m

2 stops

ORD4:45 pmChicago O'Hare Intl

Feb 26

ORD7:20 pmChicago O'Hare Intl

16h 50m

2 stops

DUB6:10 pmDublin

$463

Find similar

Scandinavian Airlines

Nov 22

DUB10:10 amDublin

12h 35m

1 stop

ORD4:45 pmChicago O'Hare Intl

Nov 30

ORD7:20 pmChicago O'Hare Intl

18h 15m

2 stops

DUB7:35 pmDublin

$484

Find similar

Scandinavian Airlines

Feb 22

DUB10:55 amDublin

35h 50m

2 stops

ORD4:45 pmChicago O'Hare Intl

Mar 4

ORD7:20 pmChicago O'Hare Intl

17h 00m

1 stop

DUB6:20 pmDublin

$487

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 3/24

5:00 am-2:10 pm

1 stop14h 10m

Chicago O'Hare Intl

Tue 3/31

8:15 pm-9:45 am

Nonstop7h 30m

$459

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 2/12

11:15 am-4:45 pm

2 stops35h 30m

Chicago O'Hare Intl

Thu 2/26

7:20 pm-6:10 pm

2 stops16h 50m

$463

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 3/31

8:35 am-3:55 pm

1 stop13h 20m

Chicago O'Hare Intl

Tue 4/7

9:15 pm-2:45 pm

1 stop11h 30m

$464

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 3/24

10:40 am-2:30 pm

Nonstop8h 50m

Chicago O'Hare Intl

Tue 3/31

8:15 pm-9:45 am

Nonstop7h 30m

$465

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 12/4

11:30 am-2:04 pm

1 stop32h 34m

Chicago O'Hare Intl

Wed 12/10

6:35 pm-5:00 pm

1 stop16h 25m

$466

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 1/12

8:50 am-2:20 pm

1 stop11h 30m

Chicago O'Hare Intl

Sun 1/18

10:24 am-7:50 am

2 stops15h 26m

$467

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 3/13

11:30 am-8:07 pm

1 stop13h 37m

Chicago O'Hare Intl

Wed 3/18

10:45 pm-5:00 pm

1 stop13h 15m

$468

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 3/1

8:50 am-2:20 pm

1 stop11h 30m

Chicago O'Hare Intl

Wed 3/11

1:30 pm-8:45 am

1 stop14h 15m

$470

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 3/24

8:50 am-8:38 pm

2 stops16h 48m

Chicago O'Hare Intl

Tue 3/31

5:45 pm-3:00 pm

2 stops15h 15m

$472

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 11/23

8:50 am-2:20 pm

1 stop11h 30m

Chicago O'Hare Intl

Sat 11/29

4:25 pm-12:40 pm

1 stop14h 15m

$473

Flights are sorted by cheapest round-trip 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

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 month of September is, on average, the cheapest month to fly to Chicago from Dublin, with most prices found around $472. If you’re not able to fly to Chicago in September, then November is your next best option. Flight prices from Dublin to Chicago during November average around $478.

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

The cheapest day to depart on your flight to Chicago is on a Sunday when prices can be found for as low as $665. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Chicago for around $816.

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

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Dublin to Chicago during this time can be as low as $691. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $818.

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 $602 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Dublin for as low as $542 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 6% 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 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 round-trip 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	$504
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 $504. The best round-trip flight deal from Dublin to Chicago found on momondo in the last 72 hours is $600.

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?
Dublin and Chicago are 3657.3 mi apart from one another. 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?
Prices for flights from Dublin Airport to Chicago are updated daily.
How many operators does momondo search for flights from Dublin Airport to Chicago?
As of November 2025, there are 3 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?
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 layovers 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 Chicago.
What documentation or ID do you need to fly to Chicago?
The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Dublin to Chicago?
Based on momondo bookings for flights between Dublin and Chicago, the leading plane model is Boeing 787-8 Dreamliner, making up 23.80% of the total bookings. Other popular models include Boeing 767-300 with 20.64%, Boeing 787 Dreamliner with 19.53%, and Airbus A330-300 with 17.31%.
What is the most popular airline from Dublin to Chicago?
Based on momondo bookings for flights between Dublin and Chicago, the leading airline is Aer Lingus, making up 83% of the total bookings. Other popular airlines include United Airlines with 17%.

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
Lufthansa	PriceFrom $393	Free Cancellation	Rating 6.8 7,570 reviews	Search Lufthansa flights
Aer Lingus	PriceFrom $453	Free Cancellation	Rating 7.2 1,370 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $479	Free Cancellation	Rating 7.4 9,015 reviews	Search United Airlines flights

United Airlines Flights From Dublin to Chicago
United Airlines flight deals from Dublin to Chicago start from $479 round-trip. Over the 7 United Airlines flights for this route in a normal week, average airfare is usually $696 round-trip - but some users have found much cheaper deals with momondo.
Aer Lingus Flights From Dublin to Chicago
The best Aer Lingus deal for Dublin to Chicago flight tickets found on momondo in the last 72 hours was $453, round-trip. It should be noted that an average Aer Lingus flight deal for this route in this time was higher, at $633 round-trip. Aer Lingus operates 9 flights out of Dublin into Chicago in an average week, so prices vary by time and availability. 1,370 Aer Lingus reviews by users on momondo have scored the airline at 7.2/10.

Merrillville

New Buffalo

Hammond

Benton Harbor

Saint Joseph

Portage

Lansing

Schererville

Valparaiso

Crown Point

Munster

Chesterton

Monticello

Porter

Griffith

Saint John

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Dublin to Chicago. momondo saves you time and could save you money on your trip.

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

Flights from Dublin to Chicago 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 Chicago?

Once all potential Dublin to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Chicago 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 Chicago trip

We make it super easy to schedule, organize 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

Chicago Greater Rockford Airport

Popular cities in the United States

Flights to New Yorkfrom $44

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Flights to Las Vegasfrom $48

Flights to San Franciscofrom $58

Flights to Washington, D.C.from $40

Flights to Bostonfrom $55

Flights to Atlantafrom $48

Flights to Dallasfrom $52

Flights to Seattlefrom $58

Flights to Denverfrom $58

Cheap flights from Dublin to Chicago from $295

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 1/14. 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 and deals

Big names and 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 round-trip flights

Cheap one-way flights

Cheap last minute flights

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Lufthansa flights from Dublin to Chicago

Our best Lufthansa deals on Dublin to Chicago flight tickets

Scandinavian Airlines flights from Dublin to Chicago

Our best Scandinavian Airlines 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 typical price of a round-trip flight between Dublin and Chicago?

What is the cheapest month to fly to Chicago?

The month of September is, on average, the cheapest month to fly to Chicago from Dublin, with most prices found around $472. If you’re not able to fly to Chicago in September, then November is your next best option. Flight prices from Dublin to Chicago during November average around $478.

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?

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Dublin to Chicago during this time can be as low as $691. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $818.

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 6% 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 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?

WestJet, TAP AIR PORTUGAL, and Aer Lingus are the most popular carriers operating from Dublin to Chicago

What airlines fly to Chicago?

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

As of November 2025, there are 11 flights per day flying from Dublin to Chicago. The most common time of day flights depart is 10:00AM, with 68% of flights taking off at noon.

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

The number of flights available between Dublin and Chicago is 80 per week as of November 2025. The most frequent departure day is Wed, with 16% of weekly flights leaving 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

Traveling 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?

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, organize 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

Airports listed have a maximum distance of 78.5 mi from Chicago