What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

How often are flights from Dublin to Chicago delayed?

About 12% of weekly flights between Dublin and Chicago have experienced delays in the past year, with the average delay time being 140 minutes.

Which airline has the best punctuality record on Dublin to Chicago flights?

Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 7% of flights being delayed.

What is the most punctual flight time for Dublin to Chicago flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

How long is the flight from Dublin to Chicago O'Hare Intl Airport?

Departing from Dublin to Chicago O'Hare Intl Airport will take you 34h 15m. The distance from Dublin to Chicago O'Hare Intl Airport is about 3661 mi.

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

Our cheapest airline available from Dublin to Chicago O'Hare Intl Airport is Icelandair. Our recent data shows that you can find tickets from as low as $388 on this airline. Additional options worth looking into are Lufthansa and Aer Lingus, starting at $411 and $455 round-trip. Icelandair is 36% 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?

To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $342. Aer Lingus flights start at $421 while deals on Brussels Airlines start at $426 one-way.

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

The most flights from DUB to ORD are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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

On average you can expect to pay $668 for a flight from Dublin to Chicago O'Hare Intl Airport. The cheapest flight overall is $437 while the most popular route, (Dublin - Chicago O'Hare Intl) is currently priced at $416.

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

Consider American Airlines (87%), Aer Lingus (87%) or Iberia (87%) when booking your flight. These represent the most reliable airlines when flying from Dublin to Chicago O'Hare Intl Airport.

What are the most popular airlines that fly from Dublin to Chicago O'Hare Intl Airport?

When booking a flight from Dublin to Chicago O'Hare Intl Airport, you may want to consider flying on Aer Lingus, United Airlines or Lufthansa as they are the most popular for this route.

Most accurate provider : When it comes to deals on Dublin-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Dublin-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Dublin-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Dublin-Chicago O'Hare Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Dublin to Chicago O'Hare Intl?

Most people fly from Dublin (DUB) if they book a flight from Dublin to Chicago O'Hare Intl. On average, Dublin has 8 outbound flights to Chicago O'Hare Intl per day from 4 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.

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 vacation 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.

$405+ Flights from Dublin to Chicago O'Hare Intl Airport

Q: How much does it cost to fly round-trip from Dublin to Chicago O'Hare Intl Airport?

Airfare is below average for this route at the moment. Dublin to Chicago O'Hare Intl Airport flights typically cost between $610 and $784 in February. The cheapest round-trip price found within the last 3 days was $416 on Scandinavian Airlines (Feb 3-Feb 16).

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Dublin to Chicago O'Hare Intl are usually found in November or September, booked 31 days in advance, depart on a Sunday or Saturday and return on a Monday

Cheap flight deals from Dublin to O'Hare Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$416 (SmartFares)
One-way from	$405 (Mytrip)
Popular in	July
Cheapest in	November
Average price	$631
Good round-trip deal	$676 or less
Good one-way deal	$487 or less

Provider with most accurate pricing for Dublin-Chicago O'Hare Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Dublin-Chicago O'Hare Intl flights.

Search Deals

From Dublin to Chicago O'Hare Intl

Search Deals

One-way flight from Dublin to Chicago O'Hare Intl

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($101 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

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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 janvier 8, 2026.

mar. 2/37:05 pmDUB - ORD

1 stop27h 40mScandinavian Airlines

lun. 2/167:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Deal found 1/7

$416

mer. 2/47:05 pmDUB - ORD

1 stop27h 40mScandinavian Airlines

lun. 2/237:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Deal found 1/6

$417

mar. 10/67:05 pmDUB - ORD

1 stop27h 05mScandinavian Airlines

lun. 10/127:15 pmORD - DUB

1 stop17h 05mScandinavian Airlines

Deal found 1/8

$421

dim. 3/112:05 pmDUB - ORD

2 stops34h 40mScandinavian Airlines

mer. 3/118:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Deal found 1/8

$424

mer. 2/1811:30 amDUB - ORD

2 stops35h 15mScandinavian Airlines

mer. 2/257:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Deal found 1/7

$427

ven. 2/136:55 pmDUB - ORD

2 stops27h 50mScandinavian Airlines

lun. 2/237:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Deal found 1/6

$428

jeu. 2/512:30 pmDUB - ORD

1 stop34h 15mScandinavian Airlines

jeu. 2/127:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Deal found 1/6

$430

mar. 10/1312:40 pmDUB - ORD

1 stop33h 30mScandinavian Airlines

ven. 10/167:15 pmORD - DUB

1 stop17h 05mScandinavian Airlines

Deal found 1/6

$434

lun. 4/207:50 pmDUB - ORD

2 stops50h 20mScandinavian Airlines

lun. 4/277:15 pmORD - DUB

2 stops32h 55mScandinavian Airlines

Deal found 1/8

$438

Best flights from Dublin to O'Hare Intl
Discover carefully curated flight deals from Dublin to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated janvier 8, 2026.

jeu. 2/512:30 pmDUB - ORD

1 stop34h 15mScandinavian Airlines

lun. 2/97:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Deal found 1/7

$454

jeu. 2/125:00 amDUB - ORD

1 stop16h 20mLufthansa

dim. 2/156:35 pmORD - DUB

Nonstop7h 35mLufthansa

Deal found 1/7

$513

mar. 2/35:15 pmDUB - ORD

1 stop27h 05mMultiple Airlines

mar. 2/1010:29 amORD - DUB

2 stops15h 21mMultiple Airlines

Deal found 1/6

$527

sam. 1/245:55 amDUB - ORD

1 stop14h 25mDelta

lun. 2/210:29 amORD - DUB

2 stops15h 21mDelta

Deal found 1/7

$528

mar. 4/217:05 pmDUB - ORD

1 stop27h 05mScandinavian Airlines

ven. 5/17:15 pmORD - DUB

1 stop32h 10mScandinavian Airlines

Deal found 1/8

$459

ven. 4/2412:40 pmDUB - ORD

1 stop33h 30mScandinavian Airlines

mer. 4/297:15 pmORD - DUB

1 stop17h 05mScandinavian Airlines

Deal found 1/8

$459

mer. 2/1811:30 amDUB - ORD

2 stops35h 15mScandinavian Airlines

mer. 2/257:20 pmORD - DUB

2 stops33h 25mScandinavian Airlines

Deal found 1/7

$487

Last-minute flights from Dublin to O'Hare Intl
Discover last-minute flight deals from Dublin to O'Hare Intl. Data last updated janvier 8, 2026 and is based on user searches.

sam. 1/2410:10 amDUB - ORD

1 stop12h 35mScandinavian Airlines

lun. 2/27:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Deal found 1/7

$439

mar. 2/37:05 pmDUB - ORD

1 stop27h 40mScandinavian Airlines

lun. 2/167:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Deal found 1/7

$416

mer. 2/47:05 pmDUB - ORD

1 stop27h 40mScandinavian Airlines

lun. 2/237:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Deal found 1/6

$417

jeu. 2/512:30 pmDUB - ORD

1 stop34h 15mScandinavian Airlines

jeu. 2/127:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Deal found 1/6

$430

sam. 2/74:55 pmDUB - ORD

1 stop27h 50mTAP AIR PORTUGAL

dim. 2/158:25 pmORD - DUB

1 stop13h 45mTAP AIR PORTUGAL

Deal found 1/7

$441

ven. 2/136:55 pmDUB - ORD

2 stops27h 50mScandinavian Airlines

lun. 2/237:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Deal found 1/6

$428

ven. 2/136:55 pmDUB - ORD

2 stops27h 50mScandinavian Airlines

dim. 2/227:10 pmORD - DUB

1 stop17h 10mScandinavian Airlines

Deal found 1/6

$440

mer. 2/1811:30 amDUB - ORD

2 stops35h 15mScandinavian Airlines

mer. 2/257:20 pmORD - DUB

1 stop17h 00mScandinavian Airlines

Deal found 1/7

$427

One-way flights from Dublin to O'Hare Intl
Search for one-way flight options from Dublin to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated janvier 8, 2026.

jeu. 6/45:30 amDUB - ORD

1 stop15h 50mTAP AIR PORTUGAL

Deal found 1/7

$405

jeu. 5/149:40 pmDUB - ORD

3 stops26h 10mMultiple Airlines

Deal found 1/7

$406

dim. 4/57:30 pmDUB - ORD

3 stops28h 20mMultiple Airlines

Deal found 1/8

$407

mer. 5/1312:00 pmDUB - ORD

1 stop12h 15mAer Lingus

Deal found 1/7

$409

mer. 6/310:45 amDUB - ORD

1 stop34h 35mTAP AIR PORTUGAL

Deal found 1/7

$412

lun. 5/189:55 amDUB - ORD

2 stops34h 20mMultiple Airlines

Deal found 1/7

$413

dim. 4/126:55 pmDUB - ORD

2 stops43h 46mMultiple Airlines

Deal found 1/7

$415

dim. 1/2511:35 amDUB - ORD

3 stops41h 07mMultiple Airlines

Deal found 1/7

$416

mar. 4/79:05 pmDUB - ORD

3 stops26h 45mMultiple Airlines

Deal found 1/8

$417

ven. 5/151:50 pmDUB - ORD

3 stops34h 00mMultiple Airlines

Deal found 1/7

$419

Cheapflights Fare Finder

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

DublinChicago

DUB - ORD

DUBORD

Dublin

jeu. 2/5

12:30 pm-4:45 pm

1 stop34h 15m

Chicago O'Hare Intl

lun. 2/9

7:20 pm-6:20 pm

1 stop17h 00m

$454

DublinChicago

DUB - ORD

DUBORD

Dublin

mar. 4/21

7:05 pm-4:10 pm

1 stop27h 05m

Chicago O'Hare Intl

ven. 5/1

7:15 pm-9:25 am

1 stop32h 10m

$459

DublinChicago

DUB - ORD

DUBORD

Dublin

ven. 4/24

12:40 pm-4:10 pm

1 stop33h 30m

Chicago O'Hare Intl

mer. 4/29

7:15 pm-6:20 pm

1 stop17h 05m

$459

DublinChicago

DUB - ORD

DUBORD

Dublin

mer. 2/18

11:30 am-4:45 pm

2 stops35h 15m

Chicago O'Hare Intl

mer. 2/25

7:20 pm-10:45 am

2 stops33h 25m

$487

DublinChicago

DUB - ORD

DUBORD

Dublin

jeu. 2/12

5:00 am-3:20 pm

1 stop16h 20m

Chicago O'Hare Intl

dim. 2/15

6:35 pm-8:10 am

Nonstop7h 35m

$513

DublinChicago

DUB - ORD

DUBORD

Dublin

mar. 2/3

5:15 pm-2:20 pm

1 stop27h 05m

Chicago O'Hare Intl

mar. 2/10

10:29 am-7:50 am

2 stops15h 21m

$527

DublinChicago

DUB - ORD

DUBORD

Dublin

sam. 1/24

5:55 am-2:20 pm

1 stop14h 25m

Chicago O'Hare Intl

lun. 2/2

10:29 am-7:50 am

2 stops15h 21m

$528

DublinChicago

DUB - ORD

DUBORD

Dublin

dim. 4/5

7:30 pm-5:50 pm

3 stops28h 20m

$408

DublinChicago

DUB - ORD

DUBORD

Dublin

mer. 4/8

6:20 pm-5:50 pm

2 stops29h 30m

$408

DublinChicago

DUB - ORD

DUBORD

Dublin

jeu. 3/5

8:40 pm-3:25 pm

2 stops24h 45m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 18 results

Compare providers for flights from Dublin to O'Hare Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to O'Hare Intl in January.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Dublin-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Dublin-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Dublin-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Dublin-Chicago O'Hare Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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

Prices

Airlines

Delays

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

To ensure you get the cheapest price possible for a flight from Dublin to Chicago O'Hare Intl Airport, you should look to book at least 31 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 Dublin to Chicago O'Hare Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of $400). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $636). 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?

When flying from Dublin to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Dublin to Chicago O'Hare Intl Airport?

The best insider tips for Dublin to Chicago O'Hare Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Dublin to Chicago O'Hare Intl Airport trip

Airports

DUB

For US travelers, preclearance at DUB can be time-consuming. Allow 30-45 minutes after security for this process.

ORD

At ORD, all international flights arrive at Terminal 5. Prepare for long walks to immigration and other terminals.

Our travel experts

Ramsey Qubein

Expert on ORD

James March

Expert on DUB

Reviews of airlines servicing O'Hare Intl

Get a feel of what it's like to fly with United Airlines, Aer Lingus, and Icelandair from Dublin to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,142 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

United Airlines

7.4

Good

9,142 reviews

United Airlines

7.4

Good

9,142 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Aer Lingus

7.2

Good

1,429 reviews

United Airlines

7.4

Good

9,142 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Icelandair

7.1

Good

593 reviews

United Airlines

7.4

Good

9,142 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Lufthansa

6.8

Okay

7,698 reviews

United Airlines

7.4

Good

9,142 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

What airport do you fly from for flights from Dublin to Chicago O'Hare Intl?
Most people fly from Dublin (DUB) if they book a flight from Dublin to Chicago O'Hare Intl. On average, Dublin has 8 outbound flights to Chicago O'Hare Intl per day from 4 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.
How long is the flight from Dublin to Chicago O'Hare Intl Airport?
Departing from Dublin to Chicago O'Hare Intl Airport will take you 34h 15m. The distance from Dublin to Chicago O'Hare Intl Airport is about 3661 mi.
What are the cheapest airlines flying from Dublin to Chicago O'Hare Intl Airport round-trip?
Our cheapest airline available from Dublin to Chicago O'Hare Intl Airport is Icelandair. Our recent data shows that you can find tickets from as low as $388 on this airline. Additional options worth looking into are Lufthansa and Aer Lingus, starting at $411 and $455 round-trip. Icelandair is 36% 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?
To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $342. Aer Lingus flights start at $421 while deals on Brussels Airlines start at $426 one-way.
What are the most reliable airlines from Dublin to Chicago O'Hare Intl Airport?
Consider American Airlines (87%), Aer Lingus (87%) or Iberia (87%) when booking your flight. These represent the most reliable airlines when flying from Dublin to Chicago O'Hare Intl Airport.
What are the cheapest flights from Dublin to Chicago O'Hare Intl Airport?
On average you can expect to pay $668 for a flight from Dublin to Chicago O'Hare Intl Airport. The cheapest flight overall is $437 while the most popular route, (Dublin - Chicago O'Hare Intl) is currently priced at $416.
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 vacation 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, March is the cheapest month in which you can book a flight from Dublin to Chicago O'Hare Intl Airport (average of $400). Flying from Dublin to Chicago O'Hare Intl Airport in July is currently the most expensive (average of $636). 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.

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Top 4 airlines flying from Dublin to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$388	Average$585	FlexibilityNo cancel fee	On-time76%
Lufthansa	Cheapest$411	Average$543	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$455	Average$637	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$479	Average$680	FlexibilityNo cancel fee	On-time69%

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$405+ Cheap flights from Dublin (DUB) to O'Hare Intl (ORD)

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dublin to O'Hare Intl with Cheapflights

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Cheapest flights from Dublin to O'Hare IntlExplore 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 janvier 8, 2026.

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 janvier 8, 2026.

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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?

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

What is the cheapest time of day to fly from DUB to ORD?

How much does it cost to fly round-trip from Dublin to Chicago O'Hare Intl Airport?

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

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What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Dublin to Chicago flights?

The best insider tips for Dublin to Chicago O'Hare Intl Airport flights

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Cheapflights partnered with top experts to bring you the best recommendations for your Dublin to Chicago O'Hare Intl Airport trip

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Reviews of airlines servicing O'Hare Intl

Get a feel of what it's like to fly with United Airlines, Aer Lingus, and Icelandair from Dublin to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

How long is the flight from Dublin to Chicago O'Hare Intl Airport?

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

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

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

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

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

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

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Top 4 airlines flying from Dublin to O'Hare Intl

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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 janvier 8, 2026.