Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Chicago O'Hare Intl Airport to Dublin from £233

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Dublin are usually found in January or November, booked 58 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap flight deals from O'Hare Intl to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Dublin (DUB). 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 13 June 2025.

Round-trip from

£419

One-way from

£233

Popular in

June

Cheapest in

January

Average price

£679

Good round-trip deal

£528 or less

Good one-way deal

£554 or less
JetBlue
  • JetBlue
  • 20/8-27/8
  • 2 total stops
  • 31h 43m total
  • Chicago to Dublin
Search Deals
Icelandair
  • Icelandair
  • 26/8
  • 1 total stop
  • 9h 40m total
  • Chicago to Dublin
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Dublin.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Dublin.
Search Deals

Find flight deals from O'Hare Intl to Dublin

Cheapest flights from O'Hare Intl to Dublin
Explore the most affordable flight options available from O'Hare Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Wed 20/811:35ORD - DUB
1 stop14h 45mJetBlue
Wed 27/811:30DUB - ORD
1 stop16h 58mJetBlue
Deal found 13/6£419
Tue 28/1017:45ORD - DUB
2 stops16h 55mDelta
Tue 4/1108:55DUB - ORD
2 stops20h 58mDelta
Deal found 12/6£419
Tue 19/819:15ORD - DUB
1 stop17h 00mScandinavian Airlines
Sun 24/821:45DUB - ORD
2 stops24h 25mScandinavian Airlines
Deal found 13/6£420
Fri 8/815:35ORD - DUB
1 stop10h 10mUnited Airlines
Wed 20/811:35DUB - ORD
Nonstop8h 00mUnited Airlines
Deal found 12/6£421
Sat 9/822:25ORD - DUB
Nonstop7h 15mFinnair
Tue 19/809:45DUB - ORD
1 stop14h 05mFinnair
Deal found 11/6£422
Tue 5/814:20ORD - DUB
1 stop21h 30mSWISS
Mon 18/818:40DUB - ORD
1 stop27h 15mSWISS
Deal found 13/6£423
Sun 31/818:00ORD - DUB
1 stop18h 05mTAP AIR PORTUGAL
Thu 11/918:50DUB - ORD
1 stop27h 20mTAP AIR PORTUGAL
Deal found 12/6£424
Sun 3/820:15ORD - DUB
Nonstop7h 30mMultiple Airlines
Tue 12/809:20DUB - ORD
1 stop16h 56mMultiple Airlines
Deal found 12/6£434
Tue 2/919:25ORD - DUB
1 stop9h 40mIcelandair
Sat 6/914:15DUB - ORD
1 stop13h 00mIcelandair
Deal found 11/6£448
Sun 20/717:08ORD - DUB
1 stop10h 52mKLM
Thu 31/712:00DUB - ORD
1 stop13h 27mKLM
Deal found 11/6£451
Mon 28/721:40ORD - DUB
2 stops18h 35mLufthansa
Wed 20/820:00DUB - ORD
1 stop28h 15mLufthansa
Deal found 11/6£475
Mon 17/1117:00ORD - DUB
1 stop12h 15mAer Lingus
Sun 23/1111:30DUB - ORD
Nonstop8h 30mAer Lingus
Deal found 13/6£496

Cheapflights Fare Finder

Customise your flight search to find flights from O'Hare Intl to Dublin 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 13 June 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Dublin that are best for you.

Fly from

O'Hare Intl

Fly to

Dublin

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 20/8

11:35-08:20

1 stop14h 45m

Dublin

Wed 27/8

11:30-22:28

1 stop16h 58m

£419

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 28/10

17:45-15:40

2 stops16h 55m

Dublin

Tue 4/11

08:55-23:53

2 stops20h 58m

£419

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 19/8

19:15-18:15

1 stop17h 00m

Dublin

Sun 24/8

21:45-16:10

2 stops24h 25m

£420

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 8/8

15:35-07:45

1 stop10h 10m

Dublin

Wed 20/8

11:35-13:35

Nonstop8h 00m

£421

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 9/8

22:25-11:40

Nonstop7h 15m

Dublin

Tue 19/8

09:45-17:50

1 stop14h 05m

£422

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 5/8

14:20-17:50

1 stop21h 30m

Dublin

Mon 18/8

18:40-15:55

1 stop27h 15m

£423

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 31/8

18:00-18:05

1 stop18h 05m

Dublin

Thu 11/9

18:50-16:10

1 stop27h 20m

£424

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 3/8

20:15-09:45

Nonstop7h 30m

Dublin

Tue 12/8

09:20-20:16

1 stop16h 56m

£434

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 2/9

19:25-11:05

1 stop9h 40m

Dublin

Sun 7/9

12:15-18:15

1 stop12h 00m

£448

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 20/7

17:08-10:00

1 stop10h 52m

Dublin

Thu 31/7

12:00-19:27

1 stop13h 27m

£451

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from O'Hare Intl to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from O'Hare Intl 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 Chicago O'Hare Intl Airport to Dublin

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

Use this chart to determine the optimal time to book a return flight from O'Hare Intl to Dublin. Price data was last updated on 9 June 2025.

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Dublin, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Dublin?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Dublin (average of £71). Flying from Chicago O'Hare Intl Airport to Dublin in August is currently the most expensive (average of £94). 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 ORD to DUB?

Find hourly flight availability from O'Hare Intl to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

It’s optimal to fly from Chicago O'Hare Intl Airport to Dublin in the morning. By choosing this option you can save up to 2% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from Chicago O'Hare Intl Airport to Dublin

Explore weekly flight availability from O'Hare Intl to Dublin. 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 13 June 2025.

The most flights from ORD to DUB are scheduled on a Monday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in Dublin by month

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

In terms of precipitation, rainfall in Dublin ranges from 49.0 - 79.0 inches per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Dublin when rainfall is around 49.0 mm.

Temperature in Dublin by month

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

If weather is an important factor for your trip to Dublin, 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 16.0 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 Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated 13 June 2025.
To help decide which airline to fly from Chicago to Dublin, see what other customers have to say about Delta, KLM and Finnair. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,946 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,624 reviews
Delta
8.0
Very Good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Dublin. 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 into for flights to Dublin from Chicago O'Hare Intl?

    Dublin (DUB), located 5.7 mi from the city center, is the airport you fly into when you book flights from Chicago O'Hare Intl to Dublin. 1 airline have flights to Dublin from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Dublin should not be difficult; the airport handles an average of 17 inbound flights from Chicago O'Hare Intl per day.

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

    Currently priced at £419, JetBlue will fly you from Chicago O'Hare Intl Airport to Dublin and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Scandinavian Airlines - these airlines can fly you to your destination from £419 and £420, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Dublin for 17% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Dublin one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at £233. JetBlue flights start at £249 while deals on American Airlines start at £321 one-way.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Dublin?

    No one likes to see their flight delayed. When booking a flight from Chicago O'Hare Intl Airport to Dublin consider choosing Air France (89%), American Airlines (74%) or British Airways (73%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Dublin?

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to Dublin? While on average our users pay £1,891, our data indicates the cheapest price to be £400. The most popular route (Chicago O'Hare Intl - Dublin), is priced around £443.

  • Can I find deals for flights from O'Hare Intl to Dublin that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Dublin flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Dublin?

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

  • Can I find deals for business class flights from O'Hare Intl to Dublin?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Dublin 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 Chicago O'Hare Intl Airport to Dublin?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Dublin (average of £71). Flying from Chicago O'Hare Intl Airport to Dublin in August is currently the most expensive (average of £94). 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
Wicklow
Athlone
Bray
Tullamore
Malahide
Cavan
Drogheda
Portmarnock
Enniscorthy
Mullingar
Dundalk
Arklow
Carlingford
Kildare
Maynooth
Swords
Castleknock
Naas

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from O'Hare Intl to Dublin

Discover the top airline that operate flights from O'Hare Intl to Dublin. 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£354Average£493FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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 O'Hare Intl to Dublin?

Cheapflights makes it easy to find O'Hare Intl to Dublin flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Dublin?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from O'Hare Intl to Dublin.

Can Cheapflights find flights from O'Hare Intl to Dublin with no change fees?

Yes! Cheapflights helps users easily find flights from O'Hare Intl to Dublin with no change fees.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Dublin become cheaper?

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights