Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Chicago O'Hare Intl Airport to Dublin from £279

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DUB
25 Feb — 4 Mar1
1 adult

The best prices from Chicago O'Hare Intl to Dublin are usually found in January or November, booked 41 days in advance, depart on a Thursday or Monday 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 20 February 2025.

Round-trip from

£410

One-way from

£279

Popular in

June

Cheapest in

January

Average price

£446

Good round-trip deal

£652 or less

Good one-way deal

£382 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 6/4-13/4
  • 3 total stops
  • 43h 55m total
  • Chicago to Dublin
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 16/4
  • 1 total stop
  • 24h 05m total
  • Chicago to Dublin
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£138 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 20 February 2025.

Sun 26/1021:25ORD - DUB
1 stop13h 45mTAP AIR PORTUGAL
Tue 4/1117:00DUB - ORD
1 stop28h 30mTAP AIR PORTUGAL
Deal found 19/2£398
Sun 6/419:15ORD - DUB
1 stop17h 00mScandinavian Airlines
Sun 13/419:15DUB - ORD
2 stops26h 55mScandinavian Airlines
Deal found 20/2£410
Sun 23/321:07ORD - DUB
1 stop31h 58mUnited Airlines
Fri 4/409:50DUB - ORD
1 stop29h 05mUnited Airlines
Deal found 19/2£436
Thu 16/1009:50ORD - DUB
1 stop17h 10mJetBlue
Thu 23/1011:30DUB - ORD
1 stop12h 00mJetBlue
Deal found 19/2£444
Tue 4/320:30ORD - DUB
1 stop35h 10mTurkish Airlines
Tue 11/316:50DUB - ORD
1 stop23h 20mTurkish Airlines
Deal found 18/2£449
Wed 26/321:07ORD - DUB
1 stop31h 58mMultiple Airlines
Thu 3/409:50DUB - ORD
1 stop29h 05mMultiple Airlines
Deal found 19/2£451
Mon 10/317:25ORD - DUB
1 stop14h 15mKLM
Mon 17/308:50DUB - ORD
1 stop11h 40mKLM
Deal found 18/2£452
Sun 23/1119:05ORD - DUB
1 stop16h 45mSWISS
Mon 1/1213:20DUB - ORD
1 stop32h 55mSWISS
Deal found 19/2£461
Mon 24/314:40ORD - DUB
1 stop12h 45mDelta
Wed 2/408:55DUB - ORD
2 stops17h 49mDelta
Deal found 20/2£465
Mon 3/1121:45ORD - DUB
1 stop13h 20mBritish Airways
Mon 10/1120:30DUB - ORD
1 stop23h 25mBritish Airways
Deal found 19/2£474
Sat 25/1015:35ORD - DUB
1 stop13h 25mLufthansa
Sat 1/1111:50DUB - ORD
1 stop14h 15mLufthansa
Deal found 19/2£497
Sun 23/318:15ORD - DUB
2 stops33h 10mAir France
Mon 31/315:55DUB - ORD
2 stops31h 48mAir France
Deal found 20/2£532

Find flights from O'Hare Intl to Dublin within your budget

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 20 February 2025.

Fly from

O'Hare Intl

Fly to

Dublin

Route

Depart

Return

Price

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 6/4

19:15-18:15

1 stop17h 00m

Dublin

Sun 13/4

19:15-16:10

2 stops26h 55m

£410

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 5/3

19:15-23:20

1 stop22h 05m

Dublin

Tue 18/3

16:55-16:30

1 stop28h 35m

£415

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 2/4

12:05-09:45

1 stop15h 40m

Dublin

Mon 7/4

09:45-17:50

1 stop14h 05m

£429

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 23/3

21:07-10:05

1 stop31h 58m

Dublin

Fri 4/4

09:50-08:55

1 stop29h 05m

£436

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 4/3

20:30-13:40

1 stop35h 10m

Dublin

Tue 11/3

16:50-11:10

1 stop23h 20m

£449

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Wed 26/3

21:07-10:05

1 stop31h 58m

Dublin

Thu 3/4

09:50-08:55

1 stop29h 05m

£451

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 10/3

17:25-12:40

1 stop14h 15m

Dublin

Mon 17/3

08:50-15:30

1 stop11h 40m

£452

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Mon 24/3

14:40-08:25

1 stop12h 45m

Dublin

Wed 2/4

08:55-20:44

2 stops17h 49m

£465

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Tue 6/5

13:12-09:00

1 stop13h 48m

Dublin

Tue 27/5

11:45-22:20

1 stop16h 35m

£503

ChicagoDublin

ORD - DUB

ORDDUB

Chicago O'Hare Intl

Sun 23/3

18:15-08:25

2 stops33h 10m

Dublin

Mon 31/3

15:55-17:43

2 stops31h 48m

£532

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 25 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.

Travel insights for flights from O'Hare Intl to Dublin

Get recent, data-driven insights about flights from O'Hare Intl to Dublin including ideal travel times, pricing trends, and more.

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 14 February 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 41 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 £104). 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 20 February 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 8% 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 20 February 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
8,220 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

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
8,220 reviews
Delta
8.0
Very Good
8,220 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

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
1,333 reviews
Delta
8.0
Very Good
8,220 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

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
1,274 reviews
Delta
8.0
Very Good
8,220 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

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.

Austrian Airlines
7.6
Good
774 reviews
Delta
8.0
Very Good
8,220 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

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
1,449 reviews
Delta
8.0
Very Good
8,220 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Boarding

8.2

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 2 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 £410, 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 TAP AIR PORTUGAL and Finnair - these airlines can fly you to your destination from £415 and £429, 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 TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £279. WestJet flights start at £323 while deals on United Airlines start at £328 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 (74%), Aer Lingus (74%) or British Airways (74%) 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 £608, our data indicates the cheapest price to be £303. The most popular route (Chicago O'Hare Intl - Dublin), is priced around £633.

  • 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 £104). 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
Bray
Wicklow
Athlone
Drogheda
Tullamore
Carlingford
Malahide
Mullingar
Enniscorthy
Dundalk
Arklow
Cavan
Kildare
Castleknock
Naas
Swords
Portmarnock

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 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£381Average£507FlexibilityNo 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.