Question 1

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

Accepted Answer

Currently priced at £399, Delta will fly you from Dublin to Chicago O'Hare Intl Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and SWISS - these airlines can fly you to your destination from £403 and £421, respectively. Delta is 10% cheaper than the average price of flights available within the next 90 days to this destination.

Question 2

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

Accepted Answer

For one-way options, check prices for Scandinavian Airlines. According to our data, you can fly for as low as £359. Users have also found prices from £362 and £448 on JetBlue and Aer Lingus, respectively.

Question 3

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

Accepted Answer

The best time to book flights from Dublin to Chicago O'Hare Intl Airport is 81 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.

Question 4

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

Accepted Answer

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.

Question 5

What is the cheapest day to fly from Dublin to Chicago O'Hare Intl Airport?

Accepted Answer

Travellers seeking maximum savings on their Dublin to Chicago O'Hare Intl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

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

Accepted Answer

The most flights from DUB to ORD are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (10 on average).

Question 7

E

Accepted Answer

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.

Question 8

E

Accepted Answer

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).

Question 9

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

Accepted Answer

Looking for the cheapest flight from Dublin to Chicago O'Hare Intl Airport? While on average our users pay £1,132, our data indicates the cheapest price to be £373. The most popular route (Dublin - Chicago O'Hare Intl), is priced around £390.

Question 10

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

Accepted Answer

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: Aer Lingus (88%), American Airlines (82%), British Airways( 82%).

Question 11

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

Accepted Answer

American Airlines, Finnair and British Airways are the most popular airlines when flying from Dublin to Chicago O'Hare Intl Airport.

Question 12

What is the cheapest day to fly round-trip from Dublin to Chicago O'Hare Intl Airport?

Accepted Answer

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 21% on the overall cost on flights from Dublin to Chicago O'Hare Intl Airport.

Question 13

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

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 57 days in advance, which can save you up to 63% on flights from Dublin to Chicago O'Hare Intl Airport compared to booking the week you need them. Waiting 57 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £386. For sooner than that we have options available in the next 3 days from £438.

Question 14

What is the cheapest month to fly from Dublin to Chicago O'Hare Intl Airport?

Accepted Answer

November can be a great time to fly to Chicago O'Hare Intl Airport from Dublin with a flight ticket averaging about £430. Cheapflights users have found deals in the month of November for as cheap as £257. The most expensive prices can be found in the month of July.

Question 15

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

Accepted Answer

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.

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

Yes. In addition to deals on Dublin to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 18

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

Accepted Answer

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.

Question 19

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

Accepted Answer

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.

Question 20

How does Cheapflights help users find flights from Dublin to O'Hare Intl?

Accepted Answer

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.

Question 21

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

Accepted Answer

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!

Question 22

Can Cheapflights find flights from Dublin to O'Hare Intl with no change fees?

Accepted Answer

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.

Question 23

Can Cheapflights notify me if prices for flights from Dublin to O'Hare Intl become cheaper?

Accepted Answer

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.

Round-trip from	£399
One-way from	£359
Popular in	July
Cheapest in	February
Average price	£408
Good round-trip deal	£493 or less
Good one-way deal	£390 or less

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£258	Average£429	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£289	Average£436	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£292	Average£534	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
KLM	Cheapest£302	Average£450	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Aer Lingus	Cheapest£308	Average£435	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
American Airlines	Cheapest£367	Average£492	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Finnair	Cheapest£368	Average£549	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£377	Average£565	FlexibilityNo cancel fee	On-time77%	Search Iberia flights

Cheap flights from Dublin to Chicago O'Hare Intl Airport from £357

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Dublin to Chicago O'Hare Intl are usually found in February or November, booked 81 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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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 30 April 2025.

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 30 April 2025.

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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.

Cheapflights Insights

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?

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 25 April 2025.

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?

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 30 April 2025.

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

Explore weekly flight availability from Dublin to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 April 2025.

Rainfall in O'Hare Intl by month

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

Temperature in O'Hare Intl by month

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

Reviews of airlines servicing O'Hare Intl

Read reviews from past customers who have flown Delta, Finnair and Austrian Airlines from Dublin to Chicago. 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?

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?

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

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

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

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Alternative routes for Dublin to O'Hare Intl

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Top 8 airlines flying from Dublin to O'Hare Intl

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

Can Cheapflights find flights from Dublin to O'Hare Intl with no change fees?

Can Cheapflights notify me if prices for flights from Dublin to O'Hare Intl become cheaper?

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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 30 April 2025.