Cheap flights from Dublin to Chicago O'Hare Intl Airport from £240

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
11 Jun — 18 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Dublin to Chicago O'Hare Intl are usually found in November or September, booked 67 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Dublin to O'Hare Intl

Enter your travel dates to find the best prices.

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 12 May 2026.

Fri 19/609:30
DUB
-
ORD
Nonstop7h 59m
Multiple Airlines
Mon 29/622:30
ORD
-
DUB
1 stop14h 10m
Multiple Airlines
Deal found 7/5£466
Tue 23/609:30
DUB
-
ORD
Nonstop7h 59m
Multiple Airlines
Mon 29/622:30
ORD
-
DUB
1 stop14h 10m
Multiple Airlines
Deal found 7/5£467
Thu 17/911:30
DUB
-
ORD
1 stop16h 36m
JetBlue
Wed 30/914:15
ORD
-
DUB
1 stop12h 05m
JetBlue
Deal found 9/5£468
Wed 14/1011:40
DUB
-
ORD
2 stops34h 30m
Scandinavian Airlines
Sat 14/1119:15
ORD
-
DUB
2 stops33h 30m
Scandinavian Airlines
Deal found 7/5£469
Thu 15/1019:05
DUB
-
ORD
1 stop27h 05m
Scandinavian Airlines
Mon 16/1119:15
ORD
-
DUB
1 stop17h 05m
Scandinavian Airlines
Deal found 7/5£470
Sun 17/509:30
DUB
-
ORD
Nonstop8h 00m
British Airways
Tue 16/620:50
ORD
-
DUB
1 stop14h 10m
British Airways
Deal found 7/5£471
Fri 15/509:30
DUB
-
ORD
Nonstop8h 00m
Finnair
Mon 25/522:20
ORD
-
DUB
Nonstop7h 30m
Finnair
Deal found 8/5£472
Tue 23/609:30
DUB
-
ORD
Nonstop7h 59m
Finnair
Tue 30/622:20
ORD
-
DUB
Nonstop7h 30m
Finnair
Deal found 11/5£472
Sun 11/1012:15
DUB
-
ORD
1 stop12h 00m
Icelandair
Fri 13/1118:30
ORD
-
DUB
1 stop9h 45m
Icelandair
Deal found 7/5£473
Wed 23/1213:10
DUB
-
ORD
1 stop11h 35m
British Airways
Sun 27/1221:45
ORD
-
DUB
1 stop11h 55m
British Airways
Deal found 8/5£474
Tue 30/611:30
DUB
-
ORD
1 stop15h 59m
JetBlue
Tue 7/709:39
ORD
-
DUB
1 stop17h 21m
JetBlue
Deal found 8/5£475

Find 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 12 May 2026.

Round-trip from

£466

One-way from

£240

Popular in

July

Cheapest in

November

Average price

£547

Good round-trip deal

£474 or less

Good one-way deal

£499 or less
19/6-29/6
  • 19/6-29/6
  • 1 total stop
  • 22h 09m total
  • Dublin to Chicago
JetBlue
  • JetBlue
  • 7/7
  • 1 total stop
  • 15h 57m total
  • Dublin to Chicago
Highest demand for flights based on searches. 16% potential increase in price (£69 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Dublin to Chicago O'Hare Intl.
Price to beat on a one-way flight from Dublin to Chicago O'Hare Intl.

Cheapflights Fare Finder

 
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 12 May 2026.
Use the filters below to find and compare flights from Dublin to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 27/8

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Tue 1/9

22:35-17:00

1 stop12h 25m

£472

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 8/6

10:40-19:34

1 stop14h 54m

Chicago O'Hare Intl

Wed 8/7

10:56-08:20

1 stop15h 24m

£476

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 30/9

12:15-18:15

1 stop12h 00m

Chicago O'Hare Intl

Sun 4/10

19:25-13:15

1 stop11h 50m

£535

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 8/9

11:40-16:10

2 stops34h 30m

Chicago O'Hare Intl

Tue 22/9

10:30-11:50

2 stops19h 20m

£537

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 27/8

19:50-16:10

2 stops26h 20m

Chicago O'Hare Intl

Tue 1/9

19:15-18:20

1 stop17h 05m

£541

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 8/9

05:55-14:15

1 stop14h 20m

Chicago O'Hare Intl

Tue 22/9

10:30-08:15

2 stops15h 45m

£578

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/8

11:45-19:51

1 stop14h 06m

Chicago O'Hare Intl

Mon 10/8

17:00-09:40

1 stop10h 40m

£621

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/8

12:00-18:15

1 stop12h 15m

Chicago O'Hare Intl

Mon 10/8

22:35-15:45

1 stop11h 10m

£658

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 20/7

08:55-19:30

2 stops16h 35m

Chicago O'Hare Intl

Mon 10/8

17:10-15:25

1 stop16h 15m

£669

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 15/7

05:55-16:23

2 stops16h 28m

Chicago O'Hare Intl

Wed 29/7

18:00-15:25

2 stops15h 25m

£669

Flights are sorted by cheapest return flights first.

Deals found on 12/5

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Dublin to Chicago O'Hare Intl Airport?

The best time to book flights from Dublin to Chicago O'Hare Intl Airport is 66 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, November is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of £350). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £622). 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 12 May 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 O'Hare Intl Airport as you normally would.

How much does it cost for a return flight from Dublin to Chicago O'Hare Intl Airport?

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 12 May 2026.
See what other customers who have flown with Finnair,United Airlines, andAer Lingus from Dublin to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.4

Boarding

7.7

Food

6.7

Crew

8.2

Entertainment

6.9

Overall

7.6

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.

Comfort

7.4

Boarding

7.7

Food

6.7

Crew

8.2

Entertainment

6.9

Overall

7.6

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.

Comfort

7.4

Boarding

7.7

Food

6.7

Crew

8.2

Entertainment

6.9

Overall

7.6

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.

Comfort

7.4

Boarding

7.7

Food

6.7

Crew

8.2

Entertainment

6.9

Overall

7.6

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.

Comfort

7.4

Boarding

7.7

Food

6.7

Crew

8.2

Entertainment

6.9

Overall

7.6

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.

Comfort

7.4

Boarding

7.7

Food

6.7

Crew

8.2

Entertainment

6.9

Overall

7.6

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 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 17 daily outbound flights to Chicago O'Hare Intl from 5 different airlines.

  • How long is the flight from Dublin to Chicago O'Hare Intl Airport?

    A quick flight from Dublin to Chicago O'Hare Intl Airport can take about 8h. British Airways provides one of the quickest options available for as low as £472. The distance between Dublin and Chicago O'Hare Intl Airport is about 3661 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at £327, Lufthansa will fly you from Dublin to Chicago O'Hare Intl Airport and back. In addition to Lufthansa, 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 £340 and £349, respectively. Lufthansa is 32% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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: Air Canada (77%), Austrian Airlines (77%), Brussels Airlines( 77%).

  • 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 £544, our data indicates the cheapest price to be £371. The most popular route (Dublin - Chicago O'Hare Intl), is priced around £536.

  • 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, November is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of £350). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £622). 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

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Elk Grove Village

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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.

Top 5 airlines flying from Dublin to O'Hare Intl

Discover the top 5 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 12 May 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£327Average£640FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£340Average£519FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£349Average£634FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£377Average£588FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£447Average£584FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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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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