Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Dublin to Chicago
The cheapest flights right now
Dublin – Chicago
Outbound – Nov 14, 2026
direct
8h 30m Return – Nov 21, 2026
direct
7h 20m $556
2 days ago
Dublin – Chicago
Outbound – Dec 3, 2026
direct
8h 30m Return – Dec 11, 2026
direct
7h 25m $555
today
Dublin – Chicago
Outbound – Dec 3, 2026
direct
8h 30m Return – Dec 10, 2026
direct
7h 20m $554
today
Dublin – Chicago
Outbound – Mar 1, 2027
direct
8h 40m Return – Mar 7, 2027
direct
7h 20m $552
yesterday
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$315
Average price of a round trip
$579
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
8h16
A flight from Dublin to Chicago takes on average 8h16.
Best time
September
According to user searches, the ideal month to go to Chicago is September.
The best flight deals for a week
Dublin – Chicago
Outbound – Nov 14, 2026
direct
8h 30m Return – Nov 21, 2026
direct
7h 20m $556
2 days ago
Dublin – Chicago
Outbound – Dec 3, 2026
direct
8h 30m Return – Dec 11, 2026
direct
7h 25m $555
today
Dublin – Chicago
Outbound – Dec 3, 2026
direct
8h 30m Return – Dec 10, 2026
direct
7h 20m $554
today
Dublin – Chicago
Outbound – Nov 2, 2026
direct
8h 30m Return – Nov 10, 2026
direct
7h 25m $557
yesterday
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Tips for finding a cheap flight from Dublin to Chicago
Check out our tips for booking your flight to Chicago (USA) from Dublin (Ireland) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is January, with an average flight ticket price of $468 (calculation over the last two years). The most touristic season corresponds to the months of November, October and August.
For the cheapest flights, it is advisable to buy your ticket at least 47 days before the departure date.
The airline offering the cheapest flight tickets is Scandinavian Airlines. A ticket from the airline Scandinavian Airlines to Chicago costs on average $349.
The airlines that offer the most flights are Aer Lingus, Lufthansa and Brussels Airlines.
info departure city :
Dublin, Ireland
airport :
Dublin International Airport (DUB)
local time :
Dublin is a city in the country Ireland, the time zone is [[timezone]]. In Dublin, it is currently {fromLocalTime}, the temperature is on average 6°C, with a minimum of 2°C and a maximum of 12°C.
The city of Dublin has 1 airport(s): Dublin
destination info :
Chicago, USA
airports :
Chicago-Merrill C. Meigs Field Airport (CGX)
Chicago FSS (CHI)
Chicago-Midway International Airport (MDW)
Chicago-O'Hare International Airport (ORD)
local time :
Chicago is in the country USA, the time zone is [[timezone]]. In Chicago, it is currently {toLocalTime}, the temperature is on average 12°C, with a minimum of 10°C and a maximum of 16°C.
The city of Chicago (CHI) has 4 airport(s): Chicago-Merrill C. Meigs Field, Chicago FSS, Chicago-Midway and Chicago-O'Hare
Useful info about Chicago
What is the least touristic period to go to Chicago?
If you want to visit Chicago during the least touristic period, choose the month of September.
What is the most popular time to travel to Chicago?
In Chicago, the most popular month is November. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Dublin to Chicago?
According to our data, it is recommended to book your flight 47 days before your departure. If you book your flight ticket 7 weeks before your departure, you may find a price below average. You can also choose morning flights that are 25% cheaper than afternoon and evening flights. The cheapest day to book a flight from Dublin to Chicago is Thursday.
What are the arrival and destination airports when traveling between Dublin and Chicago?
When you leave, you can leave from Dublin, and you will arrive at Chicago-Midway or Chicago-O'Hare.
How to reach Dublin airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Dublin to Chicago?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Dublin and Chicago?
In summer, the average temperature is 22°C in Chicago and 15°C in Dublin. The average rainfall in summer is 145 mm in Chicago and 76 mm in Dublin. In summer, it is warmer in Chicago and it rains less in Dublin. In winter, it is colder in Dublin and it rains more in Dublin.
