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Cheap flights from Dublin to Chicago from £357

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — CHI
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Dublin to Chicago are usually found in November or September, booked 56 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 30 April 2025.

Round-trip from

£399

One-way from

£359

Popular in

July

Cheapest in

November

Average price

£414

Good round-trip deal

£493 or less

Good one-way deal

£390 or less
Delta
  • Delta
  • 8/5-14/5
  • 4 total stops
  • 32h 35m total
  • Dublin to Chicago
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Scandinavian Airlines
  • Scandinavian Airlines
  • 29/5
  • 1 total stop
  • 27h 05m total
  • Dublin to Chicago
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Highest demand for flights based on searches. 16% potential increase in price (£61 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Dublin to Chicago (CHI).
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Price to beat on a one-way flight from Dublin to Chicago (CHI).
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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 30 April 2025.

Sat 30/805:55DUB - ORD
2 stops16h 39mDelta
Tue 2/917:45ORD - DUB
2 stops15h 15mDelta
Deal found 29/4£399
Wed 27/808:55DUB - MDW
2 stops15h 33mDelta
Sun 31/813:00MDW - DUB
2 stops13h 15mDelta
Deal found 29/4£399
Wed 17/911:35DUB - ORD
Nonstop8h 00mUnited Airlines
Sun 21/920:20ORD - DUB
Nonstop7h 25mUnited Airlines
Deal found 29/4£403
Fri 5/910:00DUB - MDW
1 stop14h 03mKLM
Mon 15/915:40MDW - DUB
1 stop11h 05mKLM
Deal found 30/4£405
Tue 16/909:50DUB - ORD
2 stops15h 04mAir Canada
Mon 29/912:00ORD - DUB
2 stops13h 45mAir Canada
Deal found 30/4£407
Fri 19/905:55DUB - ORD
2 stops18h 26mLufthansa
Mon 29/915:35ORD - DUB
1 stop19h 20mLufthansa
Deal found 29/4£408
Sat 13/910:55DUB - ORD
1 stop13h 20mBritish Airways
Thu 2/1021:15ORD - DUB
1 stop11h 20mBritish Airways
Deal found 29/4£417
Mon 19/518:40DUB - ORD
2 stops23h 20mSWISS
Mon 26/519:05ORD - DUB
1 stop16h 45mSWISS
Deal found 29/4£421
Mon 2/611:35DUB - ORD
Nonstop8h 00mMultiple Airlines
Mon 30/615:35ORD - DUB
1 stop34h 10mMultiple Airlines
Deal found 28/4£422
Fri 23/519:05DUB - ORD
2 stops34h 54mScandinavian Airlines
Fri 30/519:15ORD - DUB
2 stops18h 00mScandinavian Airlines
Deal found 29/4£424
Sun 14/913:45DUB - ORD
Nonstop8h 00mFinnair
Mon 22/922:20ORD - DUB
Nonstop7h 20mFinnair
Deal found 29/4£430
Thu 30/1017:25DUB - ORD
1 stop27h 05mKLM
Tue 4/1114:10ORD - DUB
1 stop13h 10mKLM
Deal found 30/4£435

Cheapflights Fare Finder

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 30 April 2025.
Use the filters below to find and compare flights from Dublin to Chicago that are best for you.

Fly from

Dublin

Fly to

Chicago

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 30/8

05:55-16:34

2 stops16h 39m

Chicago O'Hare Intl

Tue 2/9

17:45-15:00

2 stops15h 15m

£399

DublinChicago

DUB - MDW

DUBMDW

Dublin

Wed 27/8

08:55-18:28

2 stops15h 33m

Chicago Midway

Sun 31/8

13:00-08:15

2 stops13h 15m

£399

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 17/9

11:35-13:35

Nonstop8h 00m

Chicago O'Hare Intl

Tue 23/9

20:20-09:45

Nonstop7h 25m

£403

DublinChicago

DUB - MDW

DUBMDW

Dublin

Fri 5/9

10:00-18:03

1 stop14h 03m

Chicago Midway

Mon 15/9

15:40-08:45

1 stop11h 05m

£405

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 16/9

09:50-18:54

2 stops15h 04m

Chicago O'Hare Intl

Mon 29/9

12:00-07:45

2 stops13h 45m

£406

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 19/9

05:55-18:21

2 stops18h 26m

Chicago O'Hare Intl

Mon 29/9

15:35-16:55

1 stop19h 20m

£408

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 13/9

10:55-18:15

1 stop13h 20m

Chicago O'Hare Intl

Thu 2/10

21:15-14:35

1 stop11h 20m

£417

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 19/5

18:40-12:00

2 stops23h 20m

Chicago O'Hare Intl

Mon 26/5

19:05-17:50

1 stop16h 45m

£421

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 2/6

11:35-13:35

Nonstop8h 00m

Chicago O'Hare Intl

Mon 30/6

15:35-07:45

1 stop34h 10m

£422

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 23/5

19:05-23:59

2 stops34h 54m

Chicago O'Hare Intl

Fri 30/5

19:15-19:15

2 stops18h 00m

£424

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 32 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.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Chicago

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 25 April 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 56 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 30 April 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 evening could potentially save you up to 19% 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 30 April 2025.

The most flights from DUB to CHI are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (10 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 30 April 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair 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
7,934 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

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
7,934 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

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
1,334 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

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
1,275 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

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
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

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
1,588 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

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 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 10 outbound flights to Chicago per day. 8 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 £399, Delta will fly you from Dublin to Chicago and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and KLM - these airlines can fly you to your destination from £403 and £405, respectively. Delta is currently priced 7% 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 Scandinavian Airlines (£359), JetBlue (£362), and Aer Lingus (£448).

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

    The top 3 most reliable airlines when flying from Dublin to Chicago are Aer Lingus (88%), American Airlines (82%) and British Airways (82%).

  • What are the cheapest flights from Dublin to Chicago?

    The cheapest flight price from Dublin to Chicago is £373. On average you can expect to pay £1,132. The most popular route, (Dublin - Chicago O'Hare Intl), can usually be booked for £390.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 8 airlines flying from Dublin to Chicago

Discover the top 8 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£258Average£429FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£289Average£436FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£292Average£534FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£302Average£450FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£308Average£435FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
American AirlinesCheapest£367Average£492FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£368Average£549FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£377Average£565FlexibilityNo cancel feeOn-time77%
Search Iberia 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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