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Cheap flights from Dublin to Chicago O'Hare Intl Airport from £354

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 29/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
10 Jul — 17 Jul1
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 10 June 2026.

Sun 27/908:35
DUB
-
ORD
2 stops18h 37m
British Airways
Sat 3/1021:15
ORD
-
DUB
1 stop11h 10m
British Airways
Deal found 6/6£468
Sun 14/609:30
DUB
-
ORD
Nonstop8h 00m
Multiple Airlines
Sun 21/612:00
ORD
-
DUB
1 stop15h 35m
Multiple Airlines
Deal found 7/6£468
Wed 7/1009:40
DUB
-
ORD
1 stop14h 10m
Finnair
Mon 12/1012:04
ORD
-
DUB
1 stop15h 41m
Finnair
Deal found 7/6£471
Wed 12/811:30
DUB
-
ORD
1 stop16h 25m
JetBlue
Mon 17/809:39
ORD
-
DUB
1 stop17h 21m
JetBlue
Deal found 9/6£471
Mon 31/809:30
DUB
-
ORD
Nonstop8h 00m
American Airlines
Fri 25/916:45
ORD
-
DUB
1 stop10h 50m
American Airlines
Deal found 8/6£472
Fri 10/712:15
DUB
-
ORD
1 stop15h 10m
Icelandair
Tue 21/719:25
ORD
-
DUB
1 stop9h 40m
Icelandair
Deal found 10/6£473
Fri 9/1011:45
DUB
-
ORD
1 stop13h 26m
Finnair
Mon 12/1012:04
ORD
-
DUB
1 stop15h 41m
Finnair
Deal found 8/6£474
Sun 30/809:30
DUB
-
ORD
Nonstop8h 00m
American Airlines
Wed 30/913:15
ORD
-
DUB
1 stop11h 15m
American Airlines
Deal found 6/6£474
Wed 15/710:40
DUB
-
ORD
1 stop14h 35m
JetBlue
Wed 7/1014:15
ORD
-
DUB
1 stop12h 05m
JetBlue
Deal found 8/6£475
Thu 25/611:30
DUB
-
ORD
1 stop16h 00m
JetBlue
Tue 7/709:40
ORD
-
DUB
1 stop17h 20m
JetBlue
Deal found 10/6£476
Sun 30/813:45
DUB
-
ORD
1 stop15h 15m
American Airlines
Thu 1/1013:15
ORD
-
DUB
1 stop11h 15m
American Airlines
Deal found 7/6£477
Thu 25/610:40
DUB
-
ORD
1 stop14h 45m
JetBlue
Thu 9/709:40
ORD
-
DUB
1 stop17h 20m
JetBlue
Deal found 6/6£477

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 10 June 2026.

Round-trip from

£468

One-way from

£354

Popular in

August

Cheapest in

November

Average price

£544

Good round-trip deal

£598 or less

Good one-way deal

£495 or less
British Airways
  • British Airways
  • 27/9-3/10
  • 3 total stops
  • 29h 47m total
  • Dublin to Chicago
Search Deals
29/8
  • 29/8
  • 2 total stops
  • 24h 25m total
  • Dublin to Chicago
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Dublin to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Dublin to Chicago O'Hare Intl.
Search Deals

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 10 June 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

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 29/8

14:15-18:15

1 stop10h 00m

Chicago O'Hare Intl

Wed 23/9

22:25-11:05

1 stop30h 40m

£508

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 5/12

09:00-14:56

1 stop11h 56m

Chicago O'Hare Intl

Mon 7/12

12:40-07:30

2 stops12h 50m

£539

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 4/12

09:00-14:56

1 stop11h 56m

Chicago O'Hare Intl

Mon 7/12

18:30-08:10

Nonstop7h 40m

£539

DublinChicago

DUB - ORD

DUBORD

Dublin

Thu 5/11

10:40-13:20

Nonstop8h 40m

Chicago O'Hare Intl

Mon 9/11

18:30-08:10

Nonstop7h 40m

£540

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 23/9

11:40-16:10

2 stops34h 30m

Chicago O'Hare Intl

Fri 2/10

19:15-09:15

2 stops32h 00m

£548

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 8/7

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Tue 21/7

17:00-18:50

1 stop19h 50m

£549

DublinChicago

DUB - ORD

DUBORD

Dublin

Fri 10/7

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Thu 16/7

16:30-14:30

2 stops16h 00m

£549

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/8

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Mon 10/8

21:15-18:40

1 stop15h 25m

£550
Fastest return journey

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 7/7

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Sun 12/7

22:20-11:50

Nonstop7h 30m

£551

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/8

09:30-11:30

Nonstop8h 00m

Chicago O'Hare Intl

Mon 10/8

22:20-11:50

Nonstop7h 30m

£551

Flights are sorted by cheapest return flights first.

Deals found on 9/6

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 £356). Flying from Dublin to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £643). 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 10 June 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 10 June 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.
Finnair
7.7
Good
1,405 reviews
Check prices

Crew

8.2

Food

6.7

Overall

7.7

Boarding

7.7

Entertainment

6.9

Comfort

7.4

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
7.7
Good
1,405 reviews
Finnair
7.7
Good
1,405 reviews
Check prices

Crew

8.2

Food

6.7

Overall

7.7

Boarding

7.7

Entertainment

6.9

Comfort

7.4

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
9,807 reviews
Finnair
7.7
Good
1,405 reviews
Check prices

Crew

8.2

Food

6.7

Overall

7.7

Boarding

7.7

Entertainment

6.9

Comfort

7.4

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
7.3
Good
1,603 reviews
Finnair
7.7
Good
1,405 reviews
Check prices

Crew

8.2

Food

6.7

Overall

7.7

Boarding

7.7

Entertainment

6.9

Comfort

7.4

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.
Lufthansa
6.8
Okay
8,052 reviews
Finnair
7.7
Good
1,405 reviews
Check prices

Crew

8.2

Food

6.7

Overall

7.7

Boarding

7.7

Entertainment

6.9

Comfort

7.4

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 4 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 10h. Icelandair provides one of the quickest options available for as low as £508. 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 £333, 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 £344 and £355, respectively. Lufthansa is 33% 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: American Airlines (80%), Aer Lingus (80%), British Airways( 80%).

  • 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 £587, our data indicates the cheapest price to be £385. The most popular route (Dublin - Chicago O'Hare Intl), is priced around £436.

  • 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 £356). Flying from Dublin to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £643). 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.
Dublin to Midway flights

Top 4 airlines flying from Dublin to O'Hare Intl

Discover the top 4 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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£333Average£651FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapest£344Average£536FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£355Average£646FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£461Average£664FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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

Deals for Dublin to O'Hare Intl 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 O'Hare Intl?

Cheapflights helps you find that perfect flight to O'Hare Intl from Dublin by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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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