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Cheap flights from Chicago O'Hare Intl Airport to Dublin from £316

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 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Dublin are usually found in January or November, booked 64 days in advance, depart on a Monday or Saturday 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 25 March 2025.

Round-trip from

£397

One-way from

£316

Popular in

June

Cheapest in

January

Average price

£513

Good round-trip deal

£570 or less

Good one-way deal

£393 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 12/5-22/5
  • 4 total stops
  • 67h 30m total
  • Chicago to Dublin
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United Airlines
  • United Airlines
  • 31/3
  • Nonstop
  • 7h 30m total
  • Chicago to Dublin
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Highest demand for flights based on searches. 21% potential increase in price (£114 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Dublin.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Dublin.
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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 25 March 2025.

Mon 22/919:15ORD - DUB
2 stops33h 40mScandinavian Airlines
Wed 1/1011:45DUB - ORD
2 stops34h 25mScandinavian Airlines
Deal found 24/3£384
Sun 9/1120:25ORD - DUB
1 stop13h 45mTAP AIR PORTUGAL
Thu 20/1104:25DUB - ORD
1 stop17h 05mTAP AIR PORTUGAL
Deal found 24/3£390
Thu 16/1013:35ORD - DUB
1 stop12h 45mJetBlue
Thu 23/1011:30DUB - ORD
1 stop15h 24mJetBlue
Deal found 24/3£401
Sun 9/1113:12ORD - DUB
1 stop14h 53mUnited Airlines
Wed 19/1109:00DUB - ORD
1 stop18h 59mUnited Airlines
Deal found 24/3£431
Mon 10/1113:16ORD - DUB
1 stop12h 29mDelta
Tue 18/1109:45DUB - ORD
1 stop11h 14mDelta
Deal found 24/3£442
Fri 24/1020:20ORD - DUB
Nonstop7h 25mMultiple Airlines
Sun 2/1109:00DUB - ORD
1 stop29h 57mMultiple Airlines
Deal found 24/3£457
Tue 11/1121:25ORD - DUB
1 stop13h 50mLufthansa
Mon 17/1118:00DUB - ORD
1 stop30h 25mLufthansa
Deal found 24/3£462
Wed 2/414:40ORD - DUB
1 stop14h 05mKLM
Sun 6/420:45DUB - ORD
1 stop23h 25mKLM
Deal found 25/3£472
Wed 24/911:25ORD - DUB
1 stop22h 30mTurkish Airlines
Tue 14/1016:55DUB - ORD
1 stop31h 00mTurkish Airlines
Deal found 25/3£499
Wed 20/821:30ORD - DUB
1 stop13h 45mFinnair
Fri 5/913:45DUB - ORD
Nonstop8h 00mFinnair
Deal found 23/3£509
Wed 2/413:26ORD - DUB
2 stops13h 49mAir France
Wed 9/412:00DUB - ORD
2 stops16h 01mAir France
Deal found 25/3£518
Mon 7/419:30ORD - DUB
1 stop9h 35mIcelandair
Sun 20/412:15DUB - ORD
1 stop15h 00mIcelandair
Deal found 25/3£534

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 25 March 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

Mon 12/5

19:15-10:55

2 stops33h 40m

Dublin

Thu 22/5

12:20-16:10

2 stops33h 50m

£397

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 2/5

08:50-08:20

1 stop17h 30m

Dublin

Fri 9/5

10:40-10:08

1 stop29h 28m

£439

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 24/8

18:00-18:05

1 stop18h 05m

Dublin

Wed 22/10

10:45-12:35

1 stop31h 50m

£449

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sat 16/8

21:31-10:20

1 stop30h 49m

Dublin

Tue 26/8

09:20-09:54

1 stop30h 34m

£493

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 3/9

22:20-11:40

Nonstop7h 20m

Dublin

Wed 10/9

13:45-15:45

Nonstop8h 00m

£499

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 27/5

22:25-17:05

1 stop12h 40m

Dublin

Tue 10/6

09:45-17:50

1 stop14h 05m

£500

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 25/5

13:30-09:15

1 stop13h 45m

Dublin

Fri 6/6

10:00-16:45

1 stop12h 45m

£518

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Thu 17/4

21:40-16:55

1 stop13h 15m

Dublin

Sat 26/4

09:00-19:55

1 stop16h 55m

£525

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Fri 25/4

11:25-09:35

1 stop16h 10m

Dublin

Fri 9/5

13:35-09:40

1 stop26h 05m

£532

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 7/4

19:30-11:05

1 stop9h 35m

Dublin

Sat 26/4

12:15-18:15

1 stop12h 00m

£534

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 24 results
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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 21 March 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 64 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 June is currently the most expensive (average of £100). 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 25 March 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 5% on the cost of your flight, compared to a flight at midday.

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 25 March 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
7,890 reviews
Check prices

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,890 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,318 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,569 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,423 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 3 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 £397, Scandinavian Airlines will fly you from Chicago O'Hare Intl Airport to Dublin and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from JetBlue and TAP AIR PORTUGAL - these airlines can fly you to your destination from £439 and £449, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Dublin for 26% 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 United Airlines, which is currently one of the cheapest options available, starting at £316. Icelandair flights start at £352 while deals on JetBlue start at £362 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 American Airlines (78%), Aer Lingus (78%) or British Airways (78%) 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 £539, our data indicates the cheapest price to be £358. The most popular route (Chicago O'Hare Intl - Dublin), is priced around £369.

  • 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 June is currently the most expensive (average of £100). 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
Bray
Drogheda
Tullamore
Malahide
Portmarnock
Athlone
Carlingford
Cavan
Kildare
Mullingar
Enniscorthy
Dundalk
Arklow
Maynooth
Castleknock
Swords
Naas

Browse thousands of different options on Cheapflights for your next trip

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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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£372Average£565FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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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.

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