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O'Hare Intl

$405+ Cheap flights from Dublin (DUB) to O'Hare Intl (ORD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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The best prices from Dublin to Chicago O'Hare Intl are usually found in February or April, booked 68 days in advance, depart on a Friday or Tuesday and return on a Monday

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 January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$405
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$610

Good round-trip deal

$559 or less

Good one-way deal

$435 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
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Dublin to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Dublin to Chicago O'Hare Intl.
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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 January 30, 2025.

This Trip.com deal was found by Cheapflights users on 1/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/110:20 amDUB - ORD
1 stop13h 30mScandinavian Airlines
Sun 3/98:55 pmORD - DUB
1 stop16h 25mScandinavian Airlines
Deal found 1/29$405
This Finnair deal was found by Cheapflights users on 1/29. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/51:45 pmDUB - ORD
Nonstop8h 00mMultiple Airlines
Mon 9/158:40 pmORD - DUB
1 stop12h 00mMultiple Airlines
Deal found 1/29$413
This Booking.com deal was found by Cheapflights users on 1/28. 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.
Mon 2/108:40 amDUB - ORD
1 stop12h 05mBritish Airways
Mon 2/175:00 pmORD - DUB
1 stop10h 50mBritish Airways
Deal found 1/28$425
This Mytrip deal was found by Cheapflights users on 1/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/611:30 amDUB - ORD
1 stop11h 50mIcelandair
Mon 3/107:30 pmORD - DUB
1 stop9h 45mIcelandair
Deal found 1/29$426
This Finnair deal was found by Cheapflights users on 1/29. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:45 pmDUB - ORD
Nonstop8h 00mFinnair
Mon 9/1510:20 pmORD - DUB
Nonstop7h 20mFinnair
Deal found 1/29$428
This American Airlines deal was found by Cheapflights users on 1/29. 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.
Fri 3/282:05 pmDUB - ORD
1 stop13h 42mAmerican Airlines
Sat 4/54:55 pmORD - DUB
1 stop10h 40mAmerican Airlines
Deal found 1/29$429
This TravelUp deal was found by Cheapflights users on 1/29. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/285:55 amDUB - ORD
1 stop14h 35mKLM
Sun 3/95:25 pmORD - DUB
1 stop18h 15mKLM
Deal found 1/29$457
This Travelocity deal was found by Cheapflights users on 1/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1810:55 amDUB - ORD
1 stop33h 35mIberia
Tue 2/255:18 pmORD - DUB
1 stop9h 22mIberia
Deal found 1/28$458
This oojo deal was found by Cheapflights users on 1/29. 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.
Sat 2/14:55 pmDUB - ORD
1 stop28h 35mTAP AIR PORTUGAL
Wed 2/197:15 pmORD - DUB
1 stop22h 05mTAP AIR PORTUGAL
Deal found 1/29$470
This Delta deal was found by Cheapflights users on 1/29. 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.
Wed 3/55:55 amDUB - ORD
1 stop14h 35mDelta
Tue 3/116:20 pmORD - DUB
1 stop16h 20mDelta
Deal found 1/29$478
This Bravofly deal was found by Cheapflights users on 1/29. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/284:40 pmDUB - ORD
Nonstop8h 35mAer Lingus
Sun 3/94:55 pmORD - DUB
Nonstop7h 20mAer Lingus
Deal found 1/29$497
This Flighttix deal was found by Cheapflights users on 1/29. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/126:40 pmDUB - ORD
1 stop27h 35mSWISS
Mon 2/177:05 pmORD - DUB
1 stop16h 45mSWISS
Deal found 1/29$521

Find flights from Dublin to O'Hare Intl within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 3/1

10:20 am-5:50 pm

1 stop13h 30m

Chicago O'Hare Intl

Sun 3/9

8:55 pm-6:20 pm

1 stop16h 25m

$405

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 2/10

8:40 am-2:45 pm

1 stop12h 05m

Chicago O'Hare Intl

Mon 2/17

5:00 pm-9:50 am

1 stop10h 50m

$425

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 3/6

11:30 am-5:20 pm

1 stop11h 50m

Chicago O'Hare Intl

Mon 3/10

7:30 pm-10:15 am

1 stop9h 45m

$426

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 3/28

2:05 pm-10:47 pm

1 stop13h 42m

Chicago O'Hare Intl

Sat 4/5

4:55 pm-9:35 am

1 stop10h 40m

$429

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 2/11

10:55 am-6:45 pm

1 stop13h 50m

Chicago O'Hare Intl

Tue 2/18

2:55 pm-8:40 am

1 stop11h 45m

$434

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 2/28

5:55 am-2:30 pm

1 stop14h 35m

Chicago O'Hare Intl

Sun 3/9

5:25 pm-4:40 pm

1 stop18h 15m

$457

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 2/18

10:55 am-2:30 pm

1 stop33h 35m

Chicago O'Hare Intl

Tue 2/25

5:18 pm-8:40 am

1 stop9h 22m

$458

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 3/5

5:55 am-2:30 pm

1 stop14h 35m

Chicago O'Hare Intl

Tue 3/11

5:00 pm-3:40 pm

2 stops17h 40m

$478

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 3/18

4:55 pm-4:30 pm

1 stop28h 35m

Chicago O'Hare Intl

Sun 3/30

6:00 pm-6:05 pm

1 stop18h 05m

$493

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 3/6

3:20 pm-5:55 pm

Nonstop8h 35m

Chicago O'Hare Intl

Mon 3/10

8:40 pm-9:00 am

Nonstop7h 20m

$494

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 25 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Dublin to O'Hare Intl

Get recent, data-driven insights about flights from Dublin to O'Hare Intl including ideal travel times, pricing trends, and more.

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 January 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 68 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, August is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of $245). Flying from Dublin to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $325). 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 January 30, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 13% on flights from Dublin to Chicago O'Hare Intl Airport by exploring options for tickets at noon.

Weekly flight availability from Dublin to Chicago O'Hare Intl Airport

Explore weekly flight availability from Dublin to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 30, 2025.

The most flights from DUB to ORD are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 January 30, 2025.
Read through reviews of airlines operating flights from Dublin to Chicago, such as Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,454 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,335 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.5
Good
1,584 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,913 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 3 outbound flights to Chicago O'Hare Intl per day from 4 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.

  • 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 Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $405 on this airline. Additional options worth looking into are British Airways and Icelandair, starting at $425 and $426 round-trip. Scandinavian Airlines is 30% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Dublin to Chicago O'Hare Intl Airport one-way?

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $420. Icelandair flights start at $421 while deals on TAP AIR PORTUGAL start at $423 one-way.

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

    Consider American Airlines (65%), Aer Lingus (65%) or British Airways (65%) 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 $1,237 for a flight from Dublin to Chicago O'Hare Intl Airport. The cheapest flight overall is $359 while the most popular route, (Dublin - Chicago O'Hare Intl) is currently priced at $381.

  • 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, August is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of $245). Flying from Dublin to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $325). 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 Dublin?

Book flights to Dublin if you plan to visit one of these locations
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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.
Shannon to O'Hare Intl flights
Cork to O'Hare Intl flights
Milltown (Kerry) to O'Hare Intl flights

Top 4 airlines flying from Dublin to O'Hare Intl

Discover the top 4 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$368Average$795FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$399Average$558FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$412Average$525FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$648Average$745FlexibilityNo cancel feeOn-time69%
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