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Cheap flights from Dublin to Chicago O'Hare Intl Airport from £341

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
22 Dec — 29 Dec1
1 adult

The best prices from Dublin to Chicago O'Hare Intl are usually found in February or January, booked 68 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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 17 December 2024.

Round-trip from

£349

One-way from

£341

Popular in

July

Cheapest in

February

Average price

£487
Icelandair
  • Icelandair
  • 12/3-18/3
  • 2 total stops
  • 21h 35m total
  • Dublin to Chicago
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TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 18/3
  • 1 total stop
  • 28h 35m total
  • Dublin to Chicago
Search Deals
High demand for flights, 19% potential price rise
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Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in December 2024
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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 17 December 2024.

Mon 23/1220:30DUB - ORD
1 stop28h 15mBritish Airways
Sun 29/1218:25ORD - DUB
1 stop31h 30mBritish Airways
Deal found 16/12£536
Sat 28/1217:20DUB - ORD
1 stop27h 10mMultiple Airlines
Tue 7/117:20ORD - DUB
1 stop16h 20mMultiple Airlines
Deal found 16/12£549
Wed 18/1209:00DUB - ORD
2 stops29h 05mUnited Airlines
Thu 26/1218:06ORD - DUB
2 stops31h 04mUnited Airlines
Deal found 15/12£587
Fri 20/1205:55DUB - ORD
1 stop14h 35mKLM
Sat 11/116:25ORD - DUB
1 stop23h 40mKLM
Deal found 16/12£604
Sun 29/1208:50DUB - ORD
1 stop11h 40mDelta
Wed 8/116:25ORD - DUB
1 stop18h 15mDelta
Deal found 15/12£718
Tue 17/1218:40DUB - ORD
1 stop27h 35mSWISS
Mon 23/1217:55ORD - DUB
2 stops17h 55mSWISS
Deal found 16/12£727
Thu 26/1212:05DUB - ORD
2 stops33h 45mScandinavian Airlines
Wed 8/110:40ORD - DUB
2 stops19h 00mScandinavian Airlines
Deal found 16/12£769
Wed 18/1218:00DUB - ORD
1 stop26h 10mLufthansa
Sat 21/1217:55ORD - DUB
2 stops22h 45mLufthansa
Deal found 16/12£866
Wed 18/1211:15DUB - ORD
2 stops33h 15mIberia
Sun 22/1216:45ORD - DUB
1 stop11h 30mIberia
Deal found 16/12£974
Wed 18/1215:20DUB - ORD
Nonstop8h 35mAer Lingus
Sat 21/1218:55ORD - DUB
1 stop31h 15mAer Lingus
Deal found 16/12£1,028
Mon 30/1211:05DUB - ORD
2 stops28h 21mTAP AIR PORTUGAL
Tue 7/118:20ORD - DUB
2 stops23h 00mTAP AIR PORTUGAL
Deal found 15/12£1,500
Mon 16/1216:55DUB - ORD
1 stop23h 15mTurkish Airlines
Fri 20/1220:30ORD - DUB
1 stop35h 10mTurkish Airlines
Deal found 16/12£2,209

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

Customise 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 858,174 searches. Data last updated 17 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 12/3

11:30-18:20

1 stop11h 50m

Chicago O'Hare Intl

Tue 18/3

19:30-10:15

1 stop9h 45m

£349

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 22/2

10:20-17:50

1 stop13h 30m

Chicago O'Hare Intl

Sat 1/3

19:40-11:20

2 stops33h 40m

£352

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 15/3

05:55-15:30

1 stop14h 35m

Chicago O'Hare Intl

Wed 19/3

17:25-12:40

1 stop14h 15m

£386

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 8/3

20:35-13:05

1 stop22h 30m

Chicago O'Hare Intl

Mon 17/3

19:40-14:00

1 stop13h 20m

£391

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 14/3

10:45-19:45

1 stop14h 00m

Chicago O'Hare Intl

Tue 18/3

19:40-12:05

1 stop11h 25m

£394

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 17/1

05:55-14:30

1 stop14h 35m

Chicago O'Hare Intl

Sun 26/1

16:58-15:40

2 stops16h 42m

£402

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 16/1

16:40-19:15

Nonstop8h 35m

Chicago O'Hare Intl

Sun 19/1

17:00-11:15

1 stop12h 15m

£457

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 22/2

18:40-12:15

2 stops23h 35m

Chicago O'Hare Intl

Sun 2/3

17:55-17:50

2 stops17h 55m

£468

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 10/1

09:00-07:48

2 stops28h 48m

Chicago O'Hare Intl

Fri 24/1

06:30-07:00

2 stops18h 30m

£476

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 15/3

05:00-14:25

1 stop14h 25m

Chicago O'Hare Intl

Tue 18/3

22:25-22:40

2 stops19h 15m

£536

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 23 results
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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 return 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 return flight from Dublin to O'Hare Intl. Price data was last updated on 13 December 2024.

The best time to book flights from Dublin to Chicago O'Hare Intl Airport is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of £595). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £775). 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 17 December 2024.

Unlike at midday, when flights are generally more expensive, you can save up to 16% on flights from Dublin to Chicago O'Hare Intl Airport by exploring options for tickets in the morning.

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 17 December 2024.

The most flights from DUB to ORD are scheduled on a Monday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 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 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 17 December 2024.
Read reviews from past customers who have flown SWISS, TAP AIR PORTUGAL and British Airways from Dublin to Chicago. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,615 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 10

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

Delta
8.0
Very Good
8,615 reviews
Delta
8.0
Very Good
8,615 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 10

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

KLM
7.8
Good
1,351 reviews
Delta
8.0
Very Good
8,615 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 10

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

Finnair
7.7
Good
1,287 reviews
Delta
8.0
Very Good
8,615 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 10

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

SWISS
7.6
Good
1,607 reviews
Delta
8.0
Very Good
8,615 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 10

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

United Airlines
7.4
Good
9,070 reviews
Delta
8.0
Very Good
8,615 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Crew

8.6

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 10

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?

    Located just 5.7 mi from the city center, Dublin is the airport most travelers will use when flying to Chicago O'Hare Intl from Dublin. Booking flights from Dublin (DUB) to Chicago O'Hare Intl should be relatively easy as there are 5 daily outbound flights to Chicago O'Hare Intl from 7 different airlines.

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

    Currently priced at £349, Icelandair will fly you from Dublin to Chicago O'Hare Intl Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and KLM - these airlines can fly you to your destination from £352 and £386, respectively. Icelandair is 22% 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?

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £341. Users have also found prices from £352 and £431 on Icelandair and Turkish Airlines, respectively.

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

    Before booking your flight to Chicago O'Hare Intl Airport from Dublin, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (91%), Finnair (91%), Iberia( 91%).

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

    Looking for the cheapest flight from Dublin to Chicago O'Hare Intl Airport? While on average our users pay £1,105, our data indicates the cheapest price to be £332. The most popular route (Dublin - Chicago O'Hare Intl), is priced around £404.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of £595). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £775). 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

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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.
Dublin to Midway flights

Top 7 airlines flying from Dublin to O'Hare Intl

Discover the top 7 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 858,174 searches. Data last updated 17 December 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£274Average£451FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£306Average£427FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£309Average£594FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£312Average£477FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£317Average£440FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
FinnairCheapest£448Average£593FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£491Average£598FlexibilityNo cancel feeOn-time77%
Search Iberia flights

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How does Cheapflights help users find flights from Dublin to O'Hare Intl?

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Why should you use Cheapflights to find cheap flight tickets from Dublin to O'Hare Intl?

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Can Cheapflights find flights from Dublin to O'Hare Intl with no change fees?

Need flexible booking options for your flight to O'Hare Intl from Dublin? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Dublin to O'Hare Intl become cheaper?

Yes! Start tracking prices for Dublin to O'Hare Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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