$37 Cheap Flights from Dublin (DUB) to Trieste (TRS)

Popular airlines from Dublin Airport (DUB) to Friuli Venezia Giulia Airport (TRS)

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Cheap Flights from Dublin to Trieste (DUB-TRS)

Prices were available within the past 7 days and start at $37 for one-way flights and $131 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Lufthansa
Lufthansa
Ryanair
Lufthansa
Lufthansa
Lufthansa
Lufthansa
ITA Airways
KLM
Flights from Dublin (DUB) to Trieste (TRS)
Origin airport
Dublin
Destination airport
Friuli Venezia Giulia
Airlines serving
ITA Airways, Lufthansa
Roundtrip price
$131
Distance
1022 mi

Dublin to Trieste Flights

The cheapest times to fly from Dublin to Trieste

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dublin to Trieste are during the month of August. You can find some of the cheapest flights from Dublin to Trieste with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Dublin to Trieste

Sunday is one of the best days to book for cheap flights from Dublin to Trieste: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Dublin to Trieste

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dublin to Trieste in 2025. You can also book with separate airlines for your outbound and return journeys, from $37 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dublin to Trieste flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dublin to Trieste airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Dublin Airport (DUB) to Friuli Venezia Giulia Airport (TRS) cost?
Cheap round-trip fares from Dublin Airport (DUB) to Friuli Venezia Giulia Airport (TRS) start at $115. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Ryanair flight leaving DUB on May 20 2025 and touching down at TRS. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from DUB to TRS?
The cheapest flights from DUB to TRS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DUB to TRS?
With prices as low as $52 for a one-way flight from DUB to TRS, Ryanair is currently the cheapest carrier on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DUB on June 10 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Dublin Airport (DUB) to Friuli Venezia Giulia Airport (TRS)?
On average, you can choose from 2 direct flights per week from Dublin Airport (DUB) to Friuli Venezia Giulia Airport (TRS). To increase your travel options, consider a flight with a layover. Enter your details on Expedia and then filter your search to include one or more stops.
What are the most popular departure times for flights from Dublin Airport (DUB) to Friuli Venezia Giulia Airport (TRS)?
More people fly between DUB and TRS at 5 AM than at any other time of day. Looking to skip the crowds? Pick a flight outside the busiest times and you could save on your ticket as well.
What day of the week has the most flights from DUB to TRS?
Monday has the most flights from Dublin Airport (DUB) to Friuli Venezia Giulia Airport (TRS). Consider jetting off on this day and you’ll have a greater chance of finding a departure that works with your plans.
What is the earliest flight from Dublin Airport (DUB) to Friuli Venezia Giulia Airport (TRS)?
Dublin Airport (DUB)’s first flight to Friuli Venezia Giulia Airport (TRS) leaves at approximately 5:55AM UTC+0. With a total travel time of 2h 35m, you’ll land at around 9:30AM UTC+1.
How long does it take to fly from Dublin Airport (DUB) to Friuli Venezia Giulia Airport (TRS)?
The average flight time from DUB to TRS is 2 hours and 35 minutes, covering a total distance of 1,000 mi.
What is the best time to fly from Dublin Airport (DUB) to Friuli Venezia Giulia Airport (TRS)?
Select a flight from Dublin Airport (DUB) to Friuli Venezia Giulia Airport (TRS) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Trieste from Dublin Airport (DUB)?
Friuli Venezia Giulia Airport (TRS) is the only airport in Trieste with direct flights from Dublin Airport (DUB). Browse the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Dublin Airport (DUB) to Friuli Venezia Giulia Airport (TRS) last-minute?
Last-minute bookings from DUB to TRS are generally more expensive. To lock in the lowest prices, start searching for flights early. That said, if you’re flexible with your travel dates, you may land a cheap fare just before your departure.
Is it cheaper to book a DUB to TRS flight and hotel package?
You’ll generally save money by booking a DUB to TRS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. After choosing your preferred flights and accommodations, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Dublin Airport (DUB) to Friuli Venezia Giulia Airport (TRS)?
If you booked your DUB to TRS flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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