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O'Hare Intl

$438+ Cheap flights from Dublin (DUB) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
nov. 26 — dic. 31
mié. 11/26
mié. 12/3
1 adult, Economy
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Cheapflights Tip: The best prices from Dublin to Chicago O'Hare Intl are usually found in September or February, booked 31 days in advance, depart on a Sunday or Friday and return on a Tuesday

Find flight deals from Dublin to O'Hare Intl

Cheapest flights from Dublin to O'Hare Intl
Explore the most affordable flight options available from Dublin to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 27, 2025.

This Booking.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/65:00 amDUB - ORD
1 stop21h 05mLufthansa
jue. 11/139:50 pmORD - DUB
1 stop13h 20mLufthansa
Deal found 10/27$451
This Iberia deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/58:50 amDUB - ORD
1 stop12h 35mMultiple Airlines
dom. 11/98:40 pmORD - DUB
1 stop11h 40mMultiple Airlines
Deal found 10/27$452
This Booking.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/69:20 amDUB - ORD
1 stop16h 45mMultiple Airlines
jue. 11/136:50 pmORD - DUB
1 stop16h 55mMultiple Airlines
Deal found 10/27$453
This Orbitz deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/225:10 amDUB - ORD
1 stop14h 00mMultiple Airlines
dom. 11/306:50 pmORD - DUB
1 stop16h 55mMultiple Airlines
Deal found 10/27$454
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/411:30 amDUB - ORD
2 stops13h 38mAmerican Airlines
sáb. 11/155:10 pmORD - DUB
1 stop10h 40mAmerican Airlines
Deal found 10/24$455
This Air France deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/248:50 amDUB - ORD
1 stop11h 30mMultiple Airlines
sáb. 1/105:20 pmORD - DUB
1 stop16h 25mMultiple Airlines
Deal found 10/26$456
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/245:55 amDUB - ORD
1 stop14h 25mDelta
sáb. 1/105:20 pmORD - DUB
1 stop16h 25mDelta
Deal found 10/25$457
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/38:50 amDUB - ORD
1 stop11h 30mDelta
mié. 11/125:20 pmORD - DUB
1 stop16h 25mDelta
Deal found 10/27$458
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/195:10 amDUB - ORD
1 stop14h 00mLufthansa
mié. 11/266:35 pmORD - DUB
Nonstop7h 35mLufthansa
Deal found 10/25$459
This KLM deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/248:50 amDUB - ORD
1 stop11h 30mKLM
sáb. 1/312:30 pmORD - DUB
1 stop13h 15mKLM
Deal found 10/26$461
This oojo deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/2612:30 pmDUB - ORD
1 stop34h 15mScandinavian Airlines
dom. 11/307:20 pmORD - DUB
2 stops18h 15mScandinavian Airlines
Deal found 10/27$462
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/28:45 amDUB - ORD
1 stop12h 25mDelta
lun. 11/105:20 pmORD - DUB
1 stop16h 25mDelta
Deal found 10/26$463

Cheap flight deals from Dublin to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$451
(Iberia)

One-way from

$438
(Gurufare)

Popular in

July

Cheapest in

September

Average price

$613

Good round-trip deal

$602 or less

Good one-way deal

$519 or less
Provider with most accurate pricing for Dublin-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Dublin-Chicago O'Hare Intl flights.
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From Dublin to Chicago O'Hare Intl
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One-way flight from Dublin to Chicago O'Hare Intl
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Highest demand for flights based on searches. 15% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Dublin to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Dublin to Chicago O'Hare Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dublin to O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 27, 2025.
Use the filters below to find and compare flights from Dublin to Chicago O'Hare Intl Airport that are best for you.

Fly from

Dublin

Fly to

O'Hare Intl

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

dom. 11/23

5:10 am-8:05 pm

1 stop20h 55m

Chicago O'Hare Intl

dom. 11/30

6:50 pm-5:45 pm

1 stop16h 55m

$454

DublinChicago

DUB - ORD

DUBORD

Dublin

mié. 12/24

8:50 am-2:20 pm

1 stop11h 30m

Chicago O'Hare Intl

sáb. 1/3

12:30 pm-7:45 am

1 stop13h 15m

$461

DublinChicago

DUB - ORD

DUBORD

Dublin

mié. 12/24

11:30 am-2:00 pm

Nonstop8h 30m

Chicago O'Hare Intl

sáb. 1/10

9:00 pm-10:20 am

Nonstop7h 20m

$461

DublinChicago

DUB - ORD

DUBORD

Dublin

vie. 12/26

8:50 am-2:20 pm

1 stop11h 30m

Chicago O'Hare Intl

jue. 1/1

12:30 pm-7:45 am

1 stop13h 15m

$461

DublinChicago

DUB - ORD

DUBORD

Dublin

lun. 11/10

9:00 am-7:30 pm

1 stop16h 30m

Chicago O'Hare Intl

dom. 11/16

4:20 pm-9:55 am

1 stop11h 35m

$463

DublinChicago

DUB - ORD

DUBORD

Dublin

vie. 11/14

5:55 am-6:13 pm

2 stops18h 18m

Chicago O'Hare Intl

vie. 11/28

1:29 pm-3:45 pm

2 stops20h 16m

$463

DublinChicago

DUB - ORD

DUBORD

Dublin

sáb. 11/8

9:00 am-5:48 pm

1 stop14h 48m

Chicago O'Hare Intl

dom. 11/16

6:35 pm-8:10 am

Nonstop7h 35m

$463

DublinChicago

DUB - ORD

DUBORD

Dublin

dom. 2/22

9:00 am-3:10 pm

1 stop12h 10m

Chicago O'Hare Intl

mié. 3/4

6:35 pm-8:10 am

Nonstop7h 35m

$464

DublinChicago

DUB - ORD

DUBORD

Dublin

mié. 2/11

9:00 am-3:10 pm

1 stop12h 10m

Chicago O'Hare Intl

mié. 2/18

6:35 pm-8:10 am

Nonstop7h 35m

$465

DublinChicago

DUB - ORD

DUBORD

Dublin

lun. 11/17

9:00 am-6:39 pm

1 stop15h 39m

Chicago O'Hare Intl

mié. 11/26

6:35 pm-8:10 am

Nonstop7h 35m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 21 results
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Compare providers for flights from Dublin to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to O'Hare Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dublin-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Dublin-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Dublin-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dublin-Chicago O'Hare Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dublin to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Dublin with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Dublin to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Dublin to O'Hare Intl. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Dublin to Chicago O'Hare Intl Airport, you should look to book at least 31 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Dublin to Chicago O'Hare Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of $392). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $622). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DUB to ORD?

Find hourly flight availability from Dublin to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 27, 2025.

When flying from Dublin to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

The best insider tips for Dublin to Chicago O'Hare Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Dublin to Chicago O'Hare Intl Airport trip
Airports
DUB

For US travelers, preclearance at DUB can be time-consuming. Allow 30-45 minutes after security for this process.

Read more about DUBby James March
ORD

At ORD, all international flights arrive at Terminal 5. Prepare for long walks to immigration and other terminals.

Read more about ORDby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
James March

James March

Expert on DUB

James March

James March

For UK-based James March, nothing beats the thrill and chaos of arriving in a new city for the first time, and he tries to put that feeling into his writing and inspire others to travel too. From Birmingham to Blackpool and Leicester to Liverpool, James has reviewed hotels, written narratives and created guides for those who love to travel.

Read more

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated octubre 27, 2025.
Get a feel of what it's like to fly with United Airlines, Aer Lingus, and Lufthansa from Dublin to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,995 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,995 reviews
United Airlines
7.4
Good
8,995 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Aer Lingus
7.2
Good
1,360 reviews
United Airlines
7.4
Good
8,995 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,532 reviews
United Airlines
7.4
Good
8,995 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Dublin to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Dublin to Chicago O'Hare Intl?

    Most people fly from Dublin (DUB) if they book a flight from Dublin to Chicago O'Hare Intl. On average, Dublin has 13 outbound flights to Chicago O'Hare Intl per day from 3 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.

  • How long is the flight from Dublin to Chicago O'Hare Intl Airport?

    Departing from Dublin to Chicago O'Hare Intl Airport will take you 8h 30m. The distance from Dublin to Chicago O'Hare Intl Airport is about 3661 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Dublin to Chicago O'Hare Intl Airport round-trip?

    Our cheapest airline available from Dublin to Chicago O'Hare Intl Airport is Lufthansa. Our recent data shows that you can find tickets from as low as $393 on this airline. Additional options worth looking into are Aer Lingus and United Airlines, starting at $455 and $479 round-trip. Lufthansa is 34% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Dublin to Chicago O'Hare Intl Airport?

    Consider American Airlines (80%), Aer Lingus (80%) or Iberia (80%) when booking your flight. These represent the most reliable airlines when flying from Dublin to Chicago O'Hare Intl Airport.

  • What are the cheapest flights from Dublin to Chicago O'Hare Intl Airport?

    On average you can expect to pay $1,208 for a flight from Dublin to Chicago O'Hare Intl Airport. The cheapest flight overall is $467 while the most popular route, (Dublin - Chicago O'Hare Intl) is currently priced at $403.

  • Can I find deals for flights from Dublin to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Dublin to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dublin to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to O'Hare Intl.

  • Can I find deals for business class flights from Dublin to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Dublin to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dublin to Chicago O'Hare Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of $392). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $622). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Skokie
Des Plaines
Gurnee
Hoffman Estates
Elgin
Oak Brook
Elk Grove Village
Beloit
Rockford
Naperville
Racine
Downers Grove
Orland Park
Merrillville
Bridgeview
Warrenville
Joliet
Waukegan

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dublin to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Cork to O'Hare Intl flights
Shannon to O'Hare Intl flights
Milltown (Kerry) to O'Hare Intl flights

Top 3 airlines flying from Dublin to O'Hare Intl

Discover the top 3 airlines that operate flights from Dublin to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$393Average$514FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$455Average$630FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$479Average$696FlexibilityNo cancel feeOn-time69%

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