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Cheap flights from Dublin to Chicago from £318

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — CHI
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Dublin to Chicago are usually found in September or November, booked 49 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Dublin to Chicago

Enter your travel dates to find the best prices.

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 10 March 2026.

Tue 21/419:05
DUB
-
ORD
1 stop27h 05m
Scandinavian Airlines
Mon 27/419:15
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Deal found 6/3£327
Thu 23/410:40
DUB
-
ORD
1 stop16h 59m
JetBlue
Wed 29/408:31
ORD
-
DUB
1 stop18h 29m
JetBlue
Deal found 8/3£353
Wed 29/410:40
DUB
-
ORD
1 stop16h 56m
JetBlue
Mon 4/509:41
ORD
-
DUB
1 stop16h 39m
JetBlue
Deal found 8/3£370
Thu 23/419:05
DUB
-
ORD
1 stop27h 05m
Scandinavian Airlines
Mon 27/419:15
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Deal found 10/3£371
Tue 5/510:40
DUB
-
ORD
1 stop16h 56m
JetBlue
Tue 12/509:41
ORD
-
DUB
1 stop16h 39m
JetBlue
Deal found 5/3£388
Wed 22/410:40
DUB
-
ORD
1 stop16h 59m
JetBlue
Wed 29/409:41
ORD
-
DUB
1 stop16h 39m
JetBlue
Deal found 8/3£390
Tue 21/414:15
DUB
-
ORD
1 stop10h 00m
Icelandair
Tue 28/419:25
ORD
-
DUB
1 stop9h 40m
Icelandair
Deal found 7/3£400
Wed 27/510:40
DUB
-
ORD
1 stop14h 55m
JetBlue
Tue 2/608:50
ORD
-
DUB
1 stop17h 30m
JetBlue
Deal found 8/3£403
Sun 10/511:40
DUB
-
ORD
1 stop26h 01m
JetBlue
Sat 16/506:00
ORD
-
DUB
1 stop20h 20m
JetBlue
Deal found 8/3£404
Wed 6/510:40
DUB
-
ORD
1 stop16h 56m
JetBlue
Mon 11/509:41
ORD
-
DUB
1 stop16h 39m
JetBlue
Deal found 5/3£410
Mon 20/405:55
DUB
-
MDW
2 stops18h 03m
Delta
Mon 27/414:12
MDW
-
DUB
1 stop11h 43m
Delta
Deal found 6/3£457
Wed 1/405:55
DUB
-
MDW
2 stops17h 59m
Delta
Sun 5/409:30
MDW
-
DUB
1 stop16h 25m
Delta
Deal found 5/3£458

Find 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 10 March 2026.

Round-trip from

£327

One-way from

£318

Popular in

July

Cheapest in

September

Average price

£472

Good round-trip deal

£507 or less

Good one-way deal

£402 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 21/4-27/4
  • 2 total stops
  • 44h 10m total
  • Dublin to Chicago
Search Deals
JetBlue
  • JetBlue
  • 9/5
  • 1 total stop
  • 16h 56m total
  • Dublin to Chicago
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Dublin to Chicago (CHI).
Search Deals
Price to beat on a one-way flight from Dublin to Chicago (CHI).
Search Deals

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 10 March 2026.
Use the filters below to find and compare flights from Dublin to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 16/4

14:15-18:15

1 stop10h 00m

Chicago O'Hare Intl

Sun 19/4

19:25-13:15

1 stop11h 50m

£423

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 13/5

12:15-18:15

1 stop12h 00m

Chicago O'Hare Intl

Tue 26/5

19:25-11:05

1 stop9h 40m

£434
Fastest return journey

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 10/5

16:45-19:15

Nonstop8h 30m

Chicago O'Hare Intl

Sat 16/5

21:00-10:35

Nonstop7h 35m

£443

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 22/4

09:40-17:50

1 stop14h 10m

Chicago O'Hare Intl

Sun 26/4

12:30-09:45

1 stop15h 15m

£445

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 15/5

09:40-17:50

1 stop14h 10m

Chicago O'Hare Intl

Mon 25/5

22:20-11:50

Nonstop7h 30m

£454

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 13/5

08:55-14:30

1 stop11h 35m

Chicago O'Hare Intl

Tue 26/5

10:25-08:20

2 stops15h 55m

£455

DublinChicago

DUB - MDW

DUBMDW

Dublin

Mon 20/4

05:55-17:58

2 stops18h 03m

Chicago Midway

Mon 27/4

14:12-07:55

1 stop11h 43m

£457

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 22/4

05:55-18:52

2 stops18h 57m

Chicago O'Hare Intl

Sun 26/4

13:06-09:15

1 stop14h 09m

£458

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 27/5

20:30-15:55

1 stop25h 25m

Chicago O'Hare Intl

Sun 7/6

22:20-11:50

Nonstop7h 30m

£463

DublinChicago

DUB - MDW

DUBMDW

Dublin

Wed 22/4

11:00-22:28

1 stop17h 28m

Chicago Midway

Sun 26/4

09:27-09:15

2 stops17h 48m

£466

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 31 resultsSorted by cheapest first
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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 6 March 2026.

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 49 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, March is the cheapest month in which you can book a flight from Dublin to Chicago (average of £309). Flying from Dublin to Chicago in July is currently the most expensive (average of £478). 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 10 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dublin to Chicago as you normally would.

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 10 March 2026.

The most flights from DUB to CHI are scheduled on a Monday (15 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost for a return flight from Dublin to Chicago?

What’s the top stopover airport for flights from Dublin to Chicago?

Share of one-stop return flights from Dublin to Chicago chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Reykjavik (KEF) – chosen by Cheapflights users on 42% of one-stop itineraries from Dublin to Chicago on Cheapflights.

What’s the cheapest stopover airport for flights from Dublin to Chicago?

Average return fare for one-stop flights from Dublin to Chicago, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £282.

What’s the fastest stopover option from Dublin to Chicago?

Shortest average travel time for one-stop one-way flights from Dublin to Chicago, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 11h 15m.

Which airport typically offers the quickest stopover for flights from Dublin to Chicago?

Average stopover duration for one-stop one-way flights from Dublin to Chicago, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average stopover time of 0h 56m.

How often are flights from Dublin to Chicago delayed?

About 13% of weekly flights between Dublin and Chicago have experienced delays in the past year, with the average delay time being 136 minutes.

What is the most punctual flight time for Dublin to Chicago flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Dublin to Chicago flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 8% of flights being delayed.

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 10 March 2026.
Read through reviews of airlines operating flights from Dublin to Chicago, such as Finnair,United Airlines, andAer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,371 reviews
Check prices

Crew

8.2

Food

6.7

Entertainment

6.9

Comfort

7.5

Overall

7.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,371 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Crew

8.2

Food

6.7

Entertainment

6.9

Comfort

7.5

Overall

7.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
United Airlines
7.4
Good
9,409 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Crew

8.2

Food

6.7

Entertainment

6.9

Comfort

7.5

Overall

7.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Aer Lingus
7.2
Good
1,473 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Crew

8.2

Food

6.7

Entertainment

6.9

Comfort

7.5

Overall

7.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Brussels Airlines
7.2
Good
389 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Crew

8.2

Food

6.7

Entertainment

6.9

Comfort

7.5

Overall

7.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Icelandair
7.1
Good
619 reviews
Finnair
7.6
Good
1,371 reviews
Check prices

Crew

8.2

Food

6.7

Entertainment

6.9

Comfort

7.5

Overall

7.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 11 outbound flights to Chicago per day. 3 airlines have flights to Chicago from Dublin on a regular basis.

  • How long is the flight from Dublin to Chicago?

    For as low as £443, Icelandair can have you in Chicago from Dublin in 8h 30m. There are 3661 mi between Dublin and Chicago. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at £299, Icelandair will fly you from Dublin to Chicago and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Aer Lingus and United Airlines - these airlines can fly you to your destination from £346 and £356, respectively. Icelandair is currently priced 33% below the average price you’ll pay for this route.

  • 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 (93%), Aer Lingus (93%) and Iberia (93%).

  • What are the cheapest flights from Dublin to Chicago?

    The cheapest flight price from Dublin to Chicago is £353. On average you can expect to pay £992. The most popular route, (Dublin - Chicago O'Hare Intl), can usually be booked for £327.

  • 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, March is the cheapest month in which you can book a flight from Dublin to Chicago (average of £309). Flying from Dublin to Chicago in July is currently the most expensive (average of £478). 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 3 airlines flying from Dublin to Chicago

Discover the top 3 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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£299Average£341FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£346Average£504FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£356Average£645FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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