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

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

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

Over the past year, American Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.

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

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

How often are flights from Chicago to Dublin delayed?

About 23% of weekly flights between Chicago and Dublin have experienced delays in the past year, with the average delay time being 154 minutes.

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

For as low as £463, Scandinavian Airlines can have you in Dublin from Chicago O'Hare Intl Airport in 17h 10m. Airlines will cover a distance of 3661 mi. Both multi-stop and direct flights can be found to your destination and back.

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

The most flights from ORD to DUB are scheduled on a Monday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (14 on average).

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.

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).

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 £436, our data indicates the cheapest price to be £298. The most popular route (Chicago O'Hare Intl - Dublin), is priced around £821.

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 Alaska Airlines (88%), Finnair (78%) or American Airlines (74%) as they are the most reliable in getting you off to your destination on time.

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. 0 airlines 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 14 inbound flights from Chicago O'Hare Intl per day.

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.

£240+ Cheap Flights from Chicago O'Hare Intl Airport to Dublin

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Dublin are usually found in February or January, booked 40 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from O'Hare Intl to Dublin

Enter your travel dates to find the best prices.

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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 10 October 2026.

Wed 11/1113:35 -

1 stop13h 10m

Wed 18/1110:45 -

1 stop16h 57m

Deal found 5/10£420

Wed 18/1119:10 -

1 stop17h 10m

Wed 9/1212:35 -

2 stops34h 10m

Deal found 8/10£463

Tue 1/1219:10 -

1 stop17h 10m

Tue 15/1211:30 -

2 stops35h 25m

Deal found 8/10£465

Mon 30/1119:10 -

2 stops34h 40m

Fri 11/1210:55 -

2 stops35h 50m

Deal found 7/10£466

Wed 2/1219:10 -

1 stop17h 10m

Wed 9/1212:35 -

2 stops34h 10m

Deal found 7/10£468

Sat 5/1219:10 -

2 stops17h 20m

Fri 11/1210:55 -

2 stops35h 50m

Deal found 9/10£468

Sat 28/1119:10 -

2 stops33h 35m

Tue 8/1211:30 -

2 stops35h 25m

Deal found 8/10£471

Thu 24/1219:10 -

2 stops43h 40m

Tue 5/113:30 -

2 stops57h 15m

Deal found 7/10£477

Sun 1/1120:10 -

1 stop14h 00m

Sat 7/1104:15 -

1 stop17h 15m

Deal found 6/10£481

Sun 1/1120:10 -

1 stop14h 00m

Tue 10/1116:55 -

1 stop28h 35m

Deal found 5/10£487

Find flight deals from O'Hare Intl to Dublin

Round-trip from	£420
One-way from	£240
Popular in	June
Cheapest in	February
Average price	£554
Good round-trip deal	£440 or less
Good one-way deal	£324 or less

KLM
11/11-18/11
2 total stops
30h 07m total
Chicago to Dublin

Search Deals

British Airways
10/1-31/12
1 total stop
15h 55m total
Chicago to Dublin

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£86 potential increase over avg. return price).

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Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).

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Average for round-trip flights in October 2026

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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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Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Dublin that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Tue 12/1

17:10-14:20

1 stop15h 10m

Dublin

Wed 31/12

00:00-17:00

Nonstop0h 00m

£240

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Sun 4/4

17:00-16:20

1 stop17h 20m

Dublin

Wed 31/12

00:00-17:00

Nonstop0h 00m

£240

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Mon 11/1

21:50-19:45

1 stop15h 55m

Dublin

Wed 31/12

00:00-17:00

Nonstop0h 00m

£240

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Mon 5/4

17:00-18:40

1 stop19h 40m

Dublin

Wed 31/12

00:00-17:00

Nonstop0h 00m

£240

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Tue 16/3

08:00-07:30

2 stops18h 30m

Dublin

Wed 31/12

00:00-17:00

Nonstop0h 00m

£249

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Wed 6/1

07:10-08:45

2 stops19h 35m

Dublin

Wed 31/12

00:00-17:00

Nonstop0h 00m

£249

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Tue 12/1

09:00-07:30

2 stops16h 30m

Dublin

Wed 31/12

00:00-17:00

Nonstop0h 00m

£249

Fastest return journey

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Tue 6/4

12:00-07:20

2 stops13h 20m

Dublin

Wed 31/12

00:00-17:00

Nonstop0h 00m

£249

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Mon 11/1

09:00-07:30

2 stops16h 30m

Dublin

Wed 31/12

00:00-17:00

Nonstop0h 00m

£249

ChicagoDublin

ORD Chicago O'Hare Intl - DUB Dublin

ORDDUB

Chicago O'Hare Intl

Thu 18/2

19:10-18:20

1 stop17h 10m

Dublin

Mon 22/2

12:35-16:45

2 stops34h 10m

£463

Flights are sorted by cheapest return flights first.

Deals found on 9/10

Showing 1-10 of 21 resultsSorted by cheapest first

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.

ORD-DUB

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

Prices

Airlines

Delays

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

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 39 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, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Dublin (average of £391). Flying from Chicago O'Hare Intl Airport to Dublin in June is currently the most expensive (average of £723). 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?

When flying from Chicago O'Hare Intl Airport to Dublin, 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 for a return flight from Chicago O'Hare Intl Airport to Dublin?

Airfare is typical for this route at the moment.

Chicago O'Hare Intl Airport to Dublin flights typically cost between £419 and £701 in November.
The cheapest return price found within the last 5 days was £420 on KLM (11 Nov–18 Nov).

Related info for your journey

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. 0 airlines 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 14 inbound flights from Chicago O'Hare Intl per day.
How long is the flight from Chicago O'Hare Intl Airport to Dublin?
For as low as £463, Scandinavian Airlines can have you in Dublin from Chicago O'Hare Intl Airport in 17h 10m. Airlines will cover a distance of 3661 mi. Both multi-stop and direct flights can be found to your destination and back.
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 Alaska Airlines (88%), Finnair (78%) or American Airlines (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 £436, our data indicates the cheapest price to be £298. The most popular route (Chicago O'Hare Intl - Dublin), is priced around £821.
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, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Dublin (average of £391). Flying from Chicago O'Hare Intl Airport to Dublin in June is currently the most expensive (average of £723). 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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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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Cheap flights from Chicago O'Hare Intl Airport to Dublin from £240

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from O'Hare Intl to Dublin

Cheapest flights from O'Hare Intl to DublinExplore 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 10 October 2026.

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 10 October 2026.

Best flights from O'Hare Intl to DublinDiscover carefully curated flight deals from O'Hare Intl to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Discover carefully curated flight deals from O'Hare Intl to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Direct flights from O'Hare Intl to DublinExplore direct flight options from O'Hare Intl to Dublin based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 October 2026.

Explore direct flight options from O'Hare Intl to Dublin based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 October 2026.

Last-minute flights from O'Hare Intl to DublinDiscover last-minute flight deals from O'Hare Intl to Dublin. Data last updated 10 October 2026 and is based on user searches.

Discover last-minute flight deals from O'Hare Intl to Dublin. Data last updated 10 October 2026 and is based on user searches.

One-way flights from O'Hare Intl to DublinSearch for one-way flight options from O'Hare Intl to Dublin. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Search for one-way flight options from O'Hare Intl to Dublin. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Find flight deals from O'Hare Intl to Dublin

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Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Dublin that are best for you.

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.

Cheapflights Insights

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

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 39 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?

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

When flying from Chicago O'Hare Intl Airport to Dublin, 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 for a return flight from Chicago O'Hare Intl Airport to Dublin?

Airfare is typical for this route at the moment.

Chicago O'Hare Intl Airport to Dublin flights typically cost between £419 and £701 in November.The cheapest return price found within the last 5 days was £420 on KLM (11 Nov–18 Nov).

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

The most flights from ORD to DUB are scheduled on a Monday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (14 on average).

How often are flights from Chicago to Dublin delayed?

About 23% of weekly flights between Chicago and Dublin have experienced delays in the past year, with the average delay time being 154 minutes.

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

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

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

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

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

Over the past year, American Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.

Related info for your journey

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

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

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

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

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

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

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

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

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O'Hare Intl and Dublin flights

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

Can Cheapflights 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?

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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 10 October 2026.

Best flights from O'Hare Intl to Dublin
Discover carefully curated flight deals from O'Hare Intl to Dublin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Direct flights from O'Hare Intl to Dublin
Explore direct flight options from O'Hare Intl to Dublin based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 October 2026.

Last-minute flights from O'Hare Intl to Dublin
Discover last-minute flight deals from O'Hare Intl to Dublin. Data last updated 10 October 2026 and is based on user searches.

One-way flights from O'Hare Intl to Dublin
Search for one-way flight options from O'Hare Intl to Dublin. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Chicago O'Hare Intl Airport to Dublin flights typically cost between £419 and £701 in November.
The cheapest return price found within the last 5 days was £420 on KLM (11 Nov–18 Nov).