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Cheap flights from Dublin to Chicago from $387

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 2/23. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:05 pm - 4:45 pm
DUB
-
ORD
27h 40m
1 stop
Scandinavian Airlines Logo
8:20 pm - 6:20 pm
ORD
-
DUB
17h 00m
1 stop
$405Scandinavian Airlines
Sun, Mar 1 - Wed, Mar 11
Scandinavian Airlines Logo
7:05 pm - 4:45 pm
DUB
-
ORD
27h 40m
1 stop
Scandinavian Airlines Logo
8:20 pm - 6:20 pm
ORD
-
DUB
17h 00m
1 stop
$432Scandinavian Airlines
Sun, Mar 1 - Wed, Mar 11
Finnair Logo
9:30 am - 11:30 am
DUB
-
ORD
8h 00mnonstop
Finnair Logo
10:25 pm - 11:50 am
ORD
-
DUB
7h 25mnonstop
$440Finnair
Fri, May 15 - Mon, May 25
Finnair Logo
9:30 am - 11:30 am
DUB
-
ORD
8h 00mnonstop
Finnair Logo
10:25 pm - 11:50 am
ORD
-
DUB
7h 25mnonstop
$443Finnair
Fri, May 15 - Mon, May 25
Finnair Logo
9:30 am - 11:30 am
DUB
-
ORD
8h 00mnonstop
Finnair Logo
10:25 pm - 11:50 am
ORD
-
DUB
7h 25mnonstop
$444Finnair
Wed, May 13 - Tue, May 26
Scandinavian Airlines Logo
7:05 pm - 4:45 pm
DUB
-
ORD
27h 40m
1 stop
Scandinavian Airlines Logo
7:20 pm - 6:20 pm
ORD
-
DUB
17h 00m
1 stop
$449Scandinavian Airlines
Sun, Feb 22 - Wed, Mar 4
Multiple Airlines Logo
8:35 am - 5:35 pm
DUB
-
ORD
15h 00m
1 stop
Multiple Airlines Logo
10:25 pm - 11:50 am
ORD
-
DUB
7h 25mnonstop
$452Multiple Airlines
Wed, May 13 - Tue, May 26
Scandinavian Airlines Logo
7:05 pm - 4:45 pm
DUB
-
ORD
27h 40m
1 stop
Scandinavian Airlines Logo
7:20 pm - 6:20 pm
ORD
-
DUB
17h 00m
1 stop
$454Scandinavian Airlines
Sun, Feb 22 - Wed, Mar 4
Finnair Logo
9:30 am - 11:30 am
DUB
-
ORD
8h 00mnonstop
Finnair Logo
11:43 am - 9:45 am
ORD
-
DUB
16h 02m
1 stop
$457Finnair
Fri, May 22 - Tue, Jun 2
Finnair Logo
9:30 am - 11:30 am
DUB
-
ORD
8h 00mnonstop
Finnair Logo
11:43 am - 9:45 am
ORD
-
DUB
16h 02m
1 stop
$461Finnair
Fri, May 22 - Tue, Jun 2

Finnair flights from Dublin to Chicago O'Hare Intl Airport

Our best Finnair deals on Dublin to Chicago O'Hare Intl Airport flight tickets
Finnair
May 15
DUB9:30 amDublin
8h 00m
ORD11:30 amChicago O'Hare Intl
May 25
ORD10:25 pmChicago O'Hare Intl
7h 25m
DUB11:50 amDublin
$440
Finnair
May 15
DUB9:30 amDublin
8h 00m
ORD11:30 amChicago O'Hare Intl
May 25
ORD10:25 pmChicago O'Hare Intl
7h 25m
DUB11:50 amDublin
$443
Finnair
May 13
DUB9:30 amDublin
8h 00m
ORD11:30 amChicago O'Hare Intl
May 26
ORD10:25 pmChicago O'Hare Intl
7h 25m
DUB11:50 amDublin
$444

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

Our best Scandinavian Airlines deals on Dublin to Chicago O'Hare Intl Airport flight tickets
Scandinavian Airlines
Mar 1
DUB7:05 pmDublin
27h 40m
1 stop
ORD4:45 pmChicago O'Hare Intl
Mar 11
ORD8:20 pmChicago O'Hare Intl
17h 00m
1 stop
DUB6:20 pmDublin
$405
Scandinavian Airlines
Mar 1
DUB7:05 pmDublin
27h 40m
1 stop
ORD4:45 pmChicago O'Hare Intl
Mar 11
ORD8:20 pmChicago O'Hare Intl
17h 00m
1 stop
DUB6:20 pmDublin
$432
Scandinavian Airlines
Feb 22
DUB7:05 pmDublin
27h 40m
1 stop
ORD4:45 pmChicago O'Hare Intl
Mar 4
ORD7:20 pmChicago O'Hare Intl
17h 00m
1 stop
DUB6:20 pmDublin
$449

momondo Fare Finder

 
Customize your flight search to find flights from Dublin to Chicago O'Hare Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Dublin to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 3/1

7:05 pm-4:45 pm

1 stop27h 40m

Chicago O'Hare Intl

Wed 3/11

8:20 pm-6:20 pm

1 stop17h 00m

$405

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 3/1

7:05 pm-4:45 pm

1 stop27h 40m

Chicago O'Hare Intl

Wed 3/11

8:20 pm-6:20 pm

1 stop17h 00m

$432

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 5/15

9:30 am-11:30 am

Nonstop8h 00m

Chicago O'Hare Intl

Mon 5/25

10:25 pm-11:50 am

Nonstop7h 25m

$440

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 5/15

9:30 am-11:30 am

Nonstop8h 00m

Chicago O'Hare Intl

Mon 5/25

10:25 pm-11:50 am

Nonstop7h 25m

$443

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 5/13

9:30 am-11:30 am

Nonstop8h 00m

Chicago O'Hare Intl

Tue 5/26

10:25 pm-11:50 am

Nonstop7h 25m

$444

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 2/22

7:05 pm-4:45 pm

1 stop27h 40m

Chicago O'Hare Intl

Wed 3/4

7:20 pm-6:20 pm

1 stop17h 00m

$449

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 5/13

8:35 am-5:35 pm

1 stop15h 00m

Chicago O'Hare Intl

Tue 5/26

10:25 pm-11:50 am

Nonstop7h 25m

$452

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 2/22

7:05 pm-4:45 pm

1 stop27h 40m

Chicago O'Hare Intl

Wed 3/4

7:20 pm-6:20 pm

1 stop17h 00m

$454

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 5/22

9:30 am-11:30 am

Nonstop8h 00m

Chicago O'Hare Intl

Tue 6/2

11:43 am-9:45 am

1 stop16h 02m

$457

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 5/22

9:30 am-11:30 am

Nonstop8h 00m

Chicago O'Hare Intl

Tue 6/2

11:43 am-9:45 am

1 stop16h 02m

$461

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

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?

The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Dublin averaging around $488.

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

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Sunday when prices can be found for as low as $680. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $828.

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

Flying to Chicago O'Hare Intl Airport from Dublin in the morning is the least expensive time of day to depart. momondo users have found prices as low as $766 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $827. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $615 when searching weeks out. 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 $528 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 26% 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 January 2026, prices for Dublin to Chicago O'Hare Intl Airport flights are approximately 17% cheaper 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 round-trip 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

$528

Fastest flight time

8h 00m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Dublin in the past 72 hours is $528. The best round-trip flight deal from Dublin to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $698.
The fastest flight from Dublin to Chicago O'Hare Intl Airport takes 8h 00m
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?

    The straight-line distance from Dublin to Chicago O'Hare Intl is 3663.0 mi. Typically, this will take 8h 00m by plane in normal conditions.

  • 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?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

  • 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
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $411Free CancellationRating
6.8
7,749 reviews
Search Lufthansa flights
Aer LingusPriceFrom $463Free CancellationRating
7.2
1,442 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $479Free CancellationRating
7.4
9,206 reviews
Search United 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 7 times per week, with 9,206 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 $479 (round-trip), much lower than the average airfare cost of $680 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 $463, round-trip. It should be noted that an average Aer Lingus flight deal for this route in this time was higher, at $637 round-trip. Aer Lingus operates 7 flights out of Dublin into Chicago O'Hare Intl Airport in an average week, so prices vary by time and availability. 1,442 Aer Lingus reviews by users on momondo have scored the airline at 7.2/10.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Naperville
Rosemont
New Buffalo
Kenosha
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
Tinley Park
Elgin
Aurora
South Holland

Why use momondo?

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

It is quick and easy to find Dublin to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

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 in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Dublin.

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

Price alerts on flights to Chicago from Dublin are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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