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Cheap flights from Dublin to Chicago from £329

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — CHI
22 1月 — 29 1月1
1 adult

The best prices from Dublin to Chicago are usually found in November or April, booked 51 days in advance, depart on a Saturday or Thursday and return on a Friday

Cheap flight deals from Dublin to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Chicago (CHI). 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 1月 2025.

Round-trip from

£329

Popular in

July

Cheapest in

November

Average price

£452
United Airlines
  • United Airlines
  • 3/4-21/4
  • 1 total stop
  • 23h 10m total
  • Dublin to Chicago
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High demand for flights, 19% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Dublin to Chicago

Cheapest flights from Dublin to Chicago
Explore the most affordable flight options available from Dublin to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 1月 2025.

週四 3/409:50DUB - ORD
1 stop15h 40mUnited Airlines
週一 21/420:15ORD - DUB
Nonstop7h 30mUnited Airlines
Deal found 17/1£329
週六 30/813:55DUB - ORD
Nonstop8h 00mMultiple Airlines
週三 3/917:45ORD - DUB
1 stop12h 10mMultiple Airlines
Deal found 16/1£334
週一 17/218:40DUB - ORD
1 stop27h 35mSWISS
週四 27/216:10ORD - DUB
1 stop13h 45mSWISS
Deal found 16/1£336
週一 24/210:45DUB - ORD
1 stop13h 40mLufthansa
週一 10/322:25ORD - DUB
1 stop13h 50mLufthansa
Deal found 17/1£337
週四 30/108:40DUB - ORD
1 stop12h 05mBritish Airways
週四 6/217:00ORD - DUB
1 stop10h 50mBritish Airways
Deal found 16/1£340
週日 2/205:55DUB - ORD
1 stop14h 35mKLM
週六 8/213:25ORD - DUB
1 stop13h 20mKLM
Deal found 16/1£345
週五 19/911:00DUB - ORD
2 stops17h 00mAmerican Airlines
週一 29/917:45ORD - DUB
1 stop12h 05mAmerican Airlines
Deal found 16/1£346
週一 3/308:50DUB - MDW
2 stops15h 21mDelta
週一 10/318:42MDW - DUB
2 stops15h 58mDelta
Deal found 17/1£346
週二 22/406:00DUB - ORD
1 stop15h 00mDelta
週日 27/416:56ORD - DUB
2 stops16h 04mDelta
Deal found 17/1£349
週三 26/211:30DUB - ORD
1 stop11h 50mIcelandair
週三 12/319:30ORD - DUB
1 stop9h 45mIcelandair
Deal found 17/1£357
週二 22/411:00DUB - MDW
1 stop13h 00mKLM
週日 27/413:16MDW - DUB
1 stop12h 29mKLM
Deal found 17/1£360
週四 16/104:25DUB - ORD
1 stop17h 05mTAP AIR PORTUGAL
週日 26/120:25ORD - DUB
1 stop13h 45mTAP AIR PORTUGAL
Deal found 16/1£379

Find flights from Dublin to Chicago within your budget

Customise your flight search to find flights from Dublin to Chicago 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 1月 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

週四 3/4

09:50-19:30

1 stop15h 40m

Chicago O'Hare Intl

週一 21/4

20:15-09:45

Nonstop7h 30m

£329

DublinChicago

DUB - ORD

DUBORD

Dublin

週一 17/2

18:40-16:15

1 stop27h 35m

Chicago O'Hare Intl

週二 4/3

19:05-17:50

1 stop16h 45m

£336

DublinChicago

DUB - ORD

DUBORD

Dublin

週一 24/2

10:45-18:25

1 stop13h 40m

Chicago O'Hare Intl

週一 10/3

22:25-17:15

1 stop13h 50m

£337

DublinChicago

DUB - ORD

DUBORD

Dublin

週五 23/5

08:55-19:55

1 stop17h 00m

Chicago O'Hare Intl

週一 26/5

20:15-09:45

Nonstop7h 30m

£338

DublinChicago

DUB - ORD

DUBORD

Dublin

週四 30/1

08:40-14:45

1 stop12h 05m

Chicago O'Hare Intl

週四 6/2

17:00-09:50

1 stop10h 50m

£340

DublinChicago

DUB - ORD

DUBORD

Dublin

週日 2/2

05:55-14:30

1 stop14h 35m

Chicago O'Hare Intl

週六 8/2

13:25-08:45

1 stop13h 20m

£345

DublinChicago

DUB - ORD

DUBORD

Dublin

週六 1/2

08:55-15:05

1 stop12h 10m

Chicago O'Hare Intl

週五 7/2

10:05-08:05

2 stops16h 00m

£346

DublinChicago

DUB - MDW

DUBMDW

Dublin

週一 3/3

08:50-18:11

2 stops15h 21m

Chicago Midway

週一 10/3

18:42-15:40

2 stops15h 58m

£346

DublinChicago

DUB - ORD

DUBORD

Dublin

週三 26/2

11:30-17:20

1 stop11h 50m

Chicago O'Hare Intl

週三 12/3

19:30-10:15

1 stop9h 45m

£357

DublinChicago

DUB - MDW

DUBMDW

Dublin

週二 22/4

11:00-18:00

1 stop13h 00m

Chicago Midway

週日 27/4

13:16-07:45

1 stop12h 29m

£360

Flights are sorted by cheapest return flights first.

Deals found on 17/1

Showing 1-10 of 29 results
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Best time to book a flight from Dublin to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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 Chicago

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

How far ahead should I book a flight from Dublin to Chicago?

Use this chart to determine the optimal time to book a return flight from Dublin to Chicago. Price data was last updated on 10 January 2025.

The price you pay for your flight from Dublin to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Dublin to Chicago?

Currently, January is the cheapest month in which you can book a flight from Dublin to Chicago (average of £595). Flying from Dublin to Chicago in July is currently the most expensive (average of £843). 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 CHI?

Find hourly flight availability from Dublin to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 1月 2025.

One of the essential ways to save on airfare from Dublin to Chicago is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 17% on airfare.

Weekly flight availability from Dublin to Chicago

Explore weekly flight availability from Dublin to Chicago. 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 1月 2025.

The most flights from DUB to CHI 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 Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago 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 when rainfall is around 43.0 mm.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, 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 Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated 17 1月 2025.
Get a feel of what it's like to fly with KLM, TAP AIR PORTUGAL and British Airways from Dublin to Chicago by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,513 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

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
8,513 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

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
1,339 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

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
8,513 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

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

SWISS
7.5
Good
1,598 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

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
8,969 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

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 Chicago. 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?

    For a flight from Dublin to Chicago, you will be flying from Dublin. Dublin (DUB) is just 5.7 mi from the center of the city. Dublin is the only Dublin airport and it handles 3 outbound flights to Chicago per day. 7 airlines have flights to Chicago from Dublin on a regular basis.

  • What are the cheapest airlines flying from Dublin to Chicago round-trip?

    Currently priced at £329, United Airlines will fly you from Dublin to Chicago and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from SWISS and Lufthansa - these airlines can fly you to your destination from £336 and £337, respectively. United Airlines is currently priced 27% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Dublin to Chicago one-way?

    The cheapet airlines for a one-way flight from Dublin to Chicago are TAP AIR PORTUGAL (£358), Icelandair (£359), and Aer Lingus (£415).

  • What are the most reliable airlines from Dublin to Chicago?

    The top 3 most reliable airlines when flying from Dublin to Chicago are American Airlines (65%), Aer Lingus (65%) and British Airways (65%).

  • What are the cheapest flights from Dublin to Chicago?

    The cheapest flight price from Dublin to Chicago is £360. On average you can expect to pay £1,128. The most popular route, (Dublin - Chicago O'Hare Intl), can usually be booked for £322.

  • Can I find deals for flights from Dublin to Chicago that include hotel bookings?

    Yes. In addition to deals on Dublin to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dublin to Chicago?

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

  • Can I find deals for business class flights from Dublin to Chicago?

    Yes. Cheapflights offers flight deals from Dublin to Chicago 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?

    Currently, January is the cheapest month in which you can book a flight from Dublin to Chicago (average of £595). Flying from Dublin to Chicago in July is currently the most expensive (average of £843). 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 Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to O'Hare Intl flights
Dublin to Midway flights

Top 7 airlines flying from Dublin to Chicago

Discover the top 7 airlines that operate flights from Dublin to Chicago. 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 1月 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£283Average£470FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£317Average£442FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£320Average£615FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£323Average£494FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£331Average£455FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IberiaCheapest£414Average£620FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£464Average£614FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dublin to Chicago?

Deals for Dublin to Chicago flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Dublin to Chicago?

Cheapflights simply makes it quick and affordable to book flights from Dublin to Chicago by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Dublin to Chicago with no change fees?

Need flexible booking options for your flight to Chicago 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 Chicago become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Chicago from Dublin today and book when prices fit your budget.

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