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Cheap flights from Dublin to Chicago O'Hare Intl Airport from £334

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — ORD
26 Feb — 5 Mar1
1 adult

The best prices from Dublin to Chicago O'Hare Intl are usually found in November or April, booked 68 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap 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 21 February 2025.

Round-trip from

£334

Popular in

July

Cheapest in

November

Average price

£400

Good round-trip deal

£452 or less

Good one-way deal

£406 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 23/4-28/4
  • 3 total stops
  • 51h 25m total
  • Dublin to Chicago
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Highest demand for flights based on searches. 17% potential increase in price (£76 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Dublin to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Dublin to Chicago O'Hare Intl.
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Find flight deals from Dublin to O'Hare Intl

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 21 February 2025.

Wed 23/411:45DUB - ORD
2 stops34h 25mScandinavian Airlines
Mon 28/419:15ORD - DUB
1 stop17h 00mScandinavian Airlines
Deal found 20/2£334
Tue 4/311:30DUB - ORD
1 stop11h 50mIcelandair
Wed 26/319:30ORD - DUB
1 stop9h 45mIcelandair
Deal found 20/2£345
Mon 3/314:05DUB - ORD
1 stop14h 39mMultiple Airlines
Wed 26/317:11ORD - DUB
2 stops18h 49mMultiple Airlines
Deal found 20/2£383
Sat 1/312:00DUB - ORD
1 stop12h 47mAir France
Wed 26/314:55ORD - DUB
1 stop13h 50mAir France
Deal found 20/2£395
Thu 27/210:30DUB - ORD
1 stop14h 15mBritish Airways
Wed 26/316:27ORD - DUB
2 stops14h 43mBritish Airways
Deal found 20/2£395
Thu 27/213:25DUB - ORD
1 stop31h 05mKLM
Wed 5/314:00ORD - DUB
1 stop12h 45mKLM
Deal found 20/2£402
Thu 27/205:55DUB - ORD
2 stops22h 03mDelta
Mon 3/316:58ORD - DUB
2 stops16h 42mDelta
Deal found 20/2£403
Sun 2/314:05DUB - ORD
1 stop14h 39mAmerican Airlines
Sun 23/317:11ORD - DUB
1 stop10h 29mAmerican Airlines
Deal found 20/2£410
Thu 27/216:40DUB - ORD
Nonstop8h 35mAer Lingus
Wed 26/316:55ORD - DUB
Nonstop7h 20mAer Lingus
Deal found 20/2£421
Sat 1/1105:00DUB - ORD
1 stop21h 05mLufthansa
Sun 2/1121:25ORD - DUB
1 stop13h 50mLufthansa
Deal found 21/2£432
Sat 1/1109:00DUB - ORD
1 stop13h 17mUnited Airlines
Mon 3/1113:00ORD - DUB
2 stops15h 05mUnited Airlines
Deal found 20/2£435
Mon 31/309:30DUB - ORD
1 stop16h 36mIberia
Sun 27/420:35ORD - DUB
1 stop31h 10mIberia
Deal found 20/2£448

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

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 21 February 2025.

Fly from

Dublin

Fly to

O'Hare Intl

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 23/4

11:45-16:10

2 stops34h 25m

Chicago O'Hare Intl

Mon 28/4

19:15-18:15

1 stop17h 00m

£334

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 4/3

11:30-17:20

1 stop11h 50m

Chicago O'Hare Intl

Wed 26/3

19:30-10:15

1 stop9h 45m

£345

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/3

14:05-22:44

1 stop14h 39m

Chicago O'Hare Intl

Wed 26/3

17:11-17:00

2 stops18h 49m

£383

DublinChicago

DUB - ORD

DUBORD

Dublin

Sat 8/3

08:50-14:30

1 stop11h 40m

Chicago O'Hare Intl

Wed 12/3

17:25-16:40

1 stop18h 15m

£403

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 10/3

08:50-15:30

1 stop11h 40m

Chicago O'Hare Intl

Tue 18/3

10:25-08:05

2 stops16h 40m

£404

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 1/4

08:35-14:45

1 stop12h 10m

Chicago O'Hare Intl

Tue 22/4

16:55-09:50

1 stop10h 55m

£406

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/3

14:05-22:44

1 stop14h 39m

Chicago O'Hare Intl

Sat 29/3

14:36-05:30

1 stop9h 54m

£410

DublinChicago

DUB - ORD

DUBORD

Dublin

Tue 4/3

15:20-17:55

Nonstop8h 35m

Chicago O'Hare Intl

Wed 26/3

16:55-05:15

Nonstop7h 20m

£421

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 31/3

09:30-20:06

1 stop16h 36m

Chicago O'Hare Intl

Sun 27/4

20:35-09:45

1 stop31h 10m

£448

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 12/3

08:00-09:01

1 stop30h 01m

Chicago O'Hare Intl

Wed 19/3

15:00-10:05

2 stops14h 05m

£460

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 24 results
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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.

Travel insights for flights from Dublin to O'Hare Intl

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

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

Use this chart to determine the optimal time to book a return flight from Dublin to O'Hare Intl. Price data was last updated on 14 February 2025.

The best time to book flights from Dublin to Chicago O'Hare Intl Airport is 68 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, January is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of £595). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). 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 21 February 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 16% on flights from Dublin to Chicago O'Hare Intl Airport by exploring options for tickets in the evening.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 23.0 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 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 21 February 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Dublin to Chicago. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,217 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,760 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

JetBlue
7.4
Good
3,069 reviews
Delta
8.0
Very Good
8,217 reviews
Check prices

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 2 daily outbound flights to Chicago O'Hare Intl from 8 different airlines.

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

    Currently priced at £334, Scandinavian Airlines will fly you from Dublin to Chicago O'Hare Intl Airport and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and KLM - these airlines can fly you to your destination from £345 and £403, respectively. Scandinavian Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £343. Users have also found prices from £349 and £355 on TAP AIR PORTUGAL and Icelandair, respectively.

  • 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 (57%), Aer Lingus (57%), British Airways( 57%).

  • 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 £1,091, our data indicates the cheapest price to be £340. The most popular route (Dublin - Chicago O'Hare Intl), is priced around £402.

  • 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, January is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of £595). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). 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

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Alternative routes for Dublin to O'Hare Intl

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Dublin to Midway flights

Top 8 airlines flying from Dublin to O'Hare Intl

Discover the top 8 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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£274Average£455FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£307Average£446FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£310Average£578FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£313Average£478FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£323Average£444FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
American AirlinesCheapest£390Average£523FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapest£391Average£583FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£401Average£589FlexibilityNo cancel feeOn-time77%
Search Iberia 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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