Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Chicago to Dublin
The cheapest flights right now
Chicago – Dublin
Outbound – Nov 2, 2026
direct
7h 20m Return – Nov 10, 2026
direct
8h 30m $601
yesterday
Chicago – Dublin
Outbound – Nov 3, 2026
direct
7h 25m Return – Nov 11, 2026
direct
8h 30m $589
3 days ago
Chicago – Dublin
Outbound – Nov 2, 2026
direct
7h 20m Return – Nov 11, 2026
direct
8h 40m $588
3 days ago
Chicago – Dublin
Outbound – Nov 3, 2026
direct
7h 25m Return – Nov 10, 2026
direct
8h 30m $586
2 days ago
* 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
$680
Average price of a round trip
$732
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
7h28
A flight from Chicago to Dublin takes on average 7h28.
Best time
August
According to user searches, the ideal month to go to Dublin is August.
The best flight deals for a week
Chicago – Dublin
Outbound – Nov 14, 2026
direct
7h 20m Return – Nov 21, 2026
direct
8h 30m $679
today
Chicago – Dublin
Outbound – Nov 15, 2026
direct
7h 25m Return – Nov 21, 2026
direct
8h 40m $680
today
Chicago – Dublin
Outbound – Nov 15, 2026
direct
7h 40m Return – Nov 21, 2026
direct
8h 40m $862
today
* 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 Chicago to Dublin
Check out our tips for booking your flight to Dublin (Ireland) from Chicago (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is February, with an average flight ticket price of $455 (calculation over the last two years). The most touristic season corresponds to the months of September, June and October.
For the cheapest flights, it is advisable to buy your ticket at least 50 days before the departure date.
The airline offering the cheapest flight tickets is Scandinavian Airlines. A ticket from the airline Scandinavian Airlines to Dublin costs on average $669.
The airlines that offer the most flights are American Airlines, Aer Lingus and United Airlines.
Price of flight tickets from Chicago to Dublin
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $680 to $1235
- The average price of a flight ticket is about $732
- Prices are lowest for stays in the month of February
- The month in which booking a ticket is cheaper is: October
info departure city :
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 a city in the country USA, the time zone is [[timezone]]. In Chicago, it is currently {fromLocalTime}, the temperature is on average 16°C, with a minimum of 15°C and a maximum of 18°C.
The city of Chicago (CHI) has 4 airport(s): Chicago-Merrill C. Meigs Field, Chicago FSS, Chicago-Midway and Chicago-O'Hare
destination info :
Dublin, Ireland
airport :
Dublin International Airport (DUB)
local time :
Dublin is in the country Ireland, the time zone is [[timezone]]. In Dublin, it is currently {toLocalTime}, the temperature is on average 8°C, with a minimum of 5°C and a maximum of 13°C.
The city of Dublin has 1 airport(s): Dublin
Useful info about Dublin
What is the least touristic period to go to Dublin?
If you want to visit Dublin during the least touristic period, choose the month of August.
What is the most popular time to travel to Dublin?
In Dublin, the most popular month is September. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Chicago to Dublin?
According to our data, it is recommended to book your flight 50 days before your departure. If you book your flight ticket 8 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Chicago to Dublin is Monday.
What are the arrival and destination airports when traveling between Chicago and Dublin?
When you leave, you can leave from Chicago-Midway or Chicago-O'Hare, and you will arrive at Dublin.
How to reach Chicago airport from the city centre?
The airport Chicago-Merrill C. Meigs Field is located 4 km, Chicago FSS is located 29 km, Chicago-Midway is located 12 km or Chicago-O'Hare is located 29 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from Chicago to Dublin?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Chicago and Dublin?
In summer, the average temperature is 15°C in Dublin and 22°C in Chicago. The average rainfall in summer is 76 mm in Dublin and 145 mm in Chicago. 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.
