Question 1

What are the cheapest airlines flying from Dublin to Chicago round-trip?

Accepted Answer

Currently priced at £386, Finnair will fly you from Dublin to Chicago and back. In addition to Finnair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Scandinavian Airlines and Delta - these airlines can fly you to your destination from £391 and £396, respectively. Finnair is currently priced 10% below the average price you’ll pay for this route.

Question 2

What are the cheapest airlines to fly from Dublin to Chicago one-way?

Accepted Answer

The cheapet airlines for a one-way flight from Dublin to Chicago are Scandinavian Airlines (£304), TAP AIR PORTUGAL (£315), and Aer Lingus (£412).

Question 3

How far ahead should I book a flight from Dublin to Chicago?

Accepted Answer

The price you pay for your flight from Dublin to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 4

What is the cheapest month to book a flight from Dublin to Chicago?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Dublin to Chicago (average of £595). Flying from Dublin to Chicago 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?

Accepted Answer

Travellers seeking maximum savings on their Dublin to Chicago 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

Accepted Answer

The most flights from DUB to CHI are scheduled on a Monday (18 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 on average).

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in Chicago 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 when rainfall is around 43.0 mm.

Question 8

E

Accepted Answer

If weather is an important factor for your trip to Chicago, 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?

Accepted Answer

The cheapest flight price from Dublin to Chicago is £338. On average you can expect to pay £965. The most popular route, (Dublin - Chicago O'Hare Intl), can usually be booked for £280.

Question 10

What are the most reliable airlines from Dublin to Chicago?

Accepted Answer

The top 3 most reliable airlines when flying from Dublin to Chicago are Air Canada (64%), Austrian Airlines (64%) and Brussels Airlines (64%).

Question 11

What are the most popular airlines that fly from Dublin to Chicago?

Accepted Answer

When booking a flight from Dublin to Chicago, you may want to consider flying on Finnair, British Airways or Aer Lingus as they are the most popular for this route.

Question 12

What is the cheapest day to fly round-trip from Dublin to Chicago?

Accepted Answer

Friday flights are generally found to be more expensive for flights from Dublin to Chicago. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chicago.

Question 13

How far in advance should I book a flight from Dublin to Chicago?

Accepted Answer

Users have found that booking a flight from Dublin to Chicago at least 56 days early can save you up to 23% on average compared to booking a flight this week. If booking 56 days before your flight isn’t an option for you, users have found flights from Dublin to Chicago for as little as £379 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £431 for flights departing within the next 3 days.

Question 14

What is the cheapest month to fly from Dublin to Chicago?

Accepted Answer

The best pricing can be found in the month of November. Prices to Chicago from Dublin average £430. You can even find prices in November for less than £430, as users have found deals to Chicago from as low as £248. The month of July appears to be one of the more expensive times to travel to Chicago from Dublin. Flying in the targeted month can save you up to 25%.

Question 15

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

Accepted Answer

One of the essential ways to save on airfare from Dublin to Chicago is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 20% on airfare.

Question 16

What airport do you fly from for flights from Dublin to Chicago?

Accepted Answer

For a flight from Dublin to Chicago, you will be flying from Dublin. Dublin (DUB) is just 5.7 mi from the center of the city. Dublin is the only Dublin airport and it handles 17 outbound flights to Chicago per day. 6 airlines have flights to Chicago from Dublin on a regular basis.

Question 17

Can I find deals for flights from Dublin to Chicago that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Dublin to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 18

How can I find direct flights from Dublin to Chicago?

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 Chicago.

Question 19

Can I find deals for business class flights from Dublin to Chicago?

Accepted Answer

Yes. Cheapflights offers flight deals from Dublin to Chicago 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 Chicago?

Accepted Answer

Deals for Dublin to Chicago 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 Chicago?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Dublin to Chicago by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 22

Can Cheapflights find flights from Dublin to Chicago with no change fees?

Accepted Answer

Need flexible booking options for your flight to Chicago 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 Chicago become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Chicago from Dublin today and book when prices fit your budget.

Round-trip from	£386
One-way from	£304
Popular in	July
Cheapest in	November
Average price	£539
Good round-trip deal	£460 or less
Good one-way deal	£572 or less

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£254	Average£353	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£284	Average£499	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£287	Average£520	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Aer Lingus	Cheapest£302	Average£437	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Finnair	Cheapest£362	Average£539	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£371	Average£545	FlexibilityNo cancel fee	On-time77%	Search Iberia flights

Cheap flights from Dublin to Chicago from £304

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 30/10. 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 are usually found in November or September, booked 62 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Dublin to Chicago

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Cheapest flights from Dublin to ChicagoExplore the most affordable flight options available from Dublin to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Explore the most affordable flight options available from Dublin to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

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Use the filters below to find and compare flights from Dublin to Chicago that are best for you.

Best time to book a flight from Dublin to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Dublin with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Dublin to Chicago

How far ahead should I book a flight from Dublin to Chicago?

Use this chart to determine the optimal time to book a return flight from Dublin to Chicago. Price data was last updated on 27 June 2025.

What is the cheapest month to book a flight from Dublin to Chicago?

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

Find hourly flight availability from Dublin to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

Weekly flight availability from Dublin to Chicago

Explore weekly flight availability from Dublin to Chicago. 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 4 July 2025.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated 4 July 2025.

Read through reviews of airlines operating flights from Dublin to Chicago, such as Delta, KLM, andFinnair. Reviews also offer insight into each airline's 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 Chicago. 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?

What are the cheapest airlines flying from Dublin to Chicago round-trip?

What are the cheapest airlines to fly from Dublin to Chicago one-way?

What are the most reliable airlines from Dublin to Chicago?

What are the cheapest flights from Dublin to Chicago?

Can I find deals for flights from Dublin to Chicago that include hotel bookings?

How can I find direct flights from Dublin to Chicago?

Can I find deals for business class flights from Dublin to Chicago?

What is the cheapest month to book a flight from Dublin to Chicago?

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Alternative routes for Dublin to Chicago

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Top 6 airlines flying from Dublin to Chicago

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How does Cheapflights help users find flights from Dublin to Chicago?

Why should you use Cheapflights to find cheap flight tickets from Dublin to Chicago?

Can Cheapflights find flights from Dublin to Chicago with no change fees?

Can Cheapflights notify me if prices for flights from Dublin to Chicago become cheaper?

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Cheapest flights from Dublin to Chicago
Explore the most affordable flight options available from Dublin to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.