$43 Cheap Flights from Trieste (TRS) to Dublin (DUB)

View $43 flight on Tue, Oct 21, 2025Opens in a new window

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

Cheap Flights from Trieste to Dublin (TRS-DUB)

Prices were available within the past 7 days and start at $43 for one-way flights and $119 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Tue, Sep 16 - Sat, Sep 20
TRS
Trieste
DUB
Dublin
$119 Roundtrip, found 3 hours ago
$119
Roundtrip
found 3 hours ago
Select Ryanair flight, departing Tue, Sep 16 from Trieste to Dublin, returning Sat, Sep 20, priced at $119 found 3 hours ago
Lufthansa
Tue, Mar 3 - Fri, Mar 20
TRS
Trieste
DUB
Dublin
$179 Roundtrip, found 5 days ago
$179
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Mar 3 from Trieste to Dublin, returning Fri, Mar 20, priced at $179 found 5 days ago
Lufthansa
Tue, Sep 30 - Wed, Oct 8
TRS
Trieste
DUB
Dublin
$181 Roundtrip, found 4 days ago
$181
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Tue, Sep 30 from Trieste to Dublin, returning Wed, Oct 8, priced at $181 found 4 days ago
Lufthansa
Fri, Sep 19 - Wed, Sep 24
TRS
Trieste
DUB
Dublin
$183 Roundtrip, found 3 hours ago
$183
Roundtrip
found 3 hours ago
Select Lufthansa flight, departing Fri, Sep 19 from Trieste to Dublin, returning Wed, Sep 24, priced at $183 found 3 hours ago
Lufthansa
Tue, Mar 3 - Fri, Mar 20
TRS
Trieste
DUB
Dublin
$197 Roundtrip, found 5 days ago
$197
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Mar 3 from Trieste to Dublin, returning Fri, Mar 20, priced at $197 found 5 days ago
Lufthansa
Tue, Sep 30 - Wed, Oct 8
TRS
Trieste
DUB
Dublin
$198 Roundtrip, found 4 days ago
$198
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Tue, Sep 30 from Trieste to Dublin, returning Wed, Oct 8, priced at $198 found 4 days ago
Lufthansa
Thu, Sep 18 - Tue, Sep 23
TRS
Trieste
DUB
Dublin
$198 Roundtrip, found 3 hours ago
$198
Roundtrip
found 3 hours ago
Select Lufthansa flight, departing Thu, Sep 18 from Trieste to Dublin, returning Tue, Sep 23, priced at $198 found 3 hours ago
Lufthansa
Fri, Sep 19 - Wed, Sep 24
TRS
Trieste
DUB
Dublin
$201 Roundtrip, found 3 hours ago
$201
Roundtrip
found 3 hours ago
Select Lufthansa flight, departing Fri, Sep 19 from Trieste to Dublin, returning Wed, Sep 24, priced at $201 found 3 hours ago
ITA Airways
Tue, Sep 30 - Wed, Oct 8
TRS
Trieste
DUB
Dublin
$310 Roundtrip, found 4 days ago
$310
Roundtrip
found 4 days ago
Select ITA Airways flight, departing Tue, Sep 30 from Trieste to Dublin, returning Wed, Oct 8, priced at $310 found 4 days ago
KLM
Fri, Sep 5 - Mon, Sep 22
TRS
Trieste
DUB
Dublin
$439 Roundtrip, found 3 days ago
$439
Roundtrip
found 3 days ago
Select KLM flight, departing Fri, Sep 5 from Trieste to Dublin, returning Mon, Sep 22, priced at $439 found 3 days ago

Alternative airports near Dublin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dublin Airport DUB. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $334
DUB
Dublin Airport
CheapestClosest
Average driving time to city center14 min
Flights from $334
Flights from Trieste (TRS) to Dublin (DUB)
Origin airport
Friuli Venezia Giulia
Destination airport
Dublin
Airlines serving
ITA Airways, Lufthansa, Ryanair
Roundtrip price
$118
Distance
1022 mi
Average flight time
2 hours 50 mins

Trieste to Dublin Flights

The cheapest times to fly from Trieste to Dublin

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 Trieste to Dublin are during the month of September. You can find some of the cheapest flights from Trieste to Dublin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Trieste to Dublin

Sunday is one of the best days to book for cheap flights from Trieste to Dublin: 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 Trieste to Dublin

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 Trieste to Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $43 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 Trieste to Dublin 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 Trieste to Dublin 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 Friuli Venezia Giulia Airport (TRS) to Dublin Airport (DUB) cost?
Snag a cheap one-way flight from $43 or cheap return flight from $119 from Friuli Venezia Giulia Airport (TRS) to Dublin Airport (DUB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Friuli Venezia Giulia Airport (TRS) to Dublin Airport (DUB)?
The cheapest month to fly from TRS to DUB is September, when there's less demand. Off-peak season is often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Friuli Venezia Giulia Airport (TRS) to Dublin Airport (DUB)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from TRS to DUB. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Friuli Venezia Giulia Airport (TRS) to Dublin Airport (DUB)?
On average, Friuli Venezia Giulia Airport (TRS) offers 2 nonstop flights to Dublin Airport (DUB) per week. If you want more options, take advantage of Expedia's filters to search for flights with one or two stops. Squeeze in a visit to another city or simply break up your travels.
What are the most popular departure times for flights from Friuli Venezia Giulia Airport (TRS) to Dublin Airport (DUB)?
Flights between TRS and DUB tend to be busiest at 6 AM. If you're after a quieter experience and possibly cheaper fares, choose a departure that's outside typical rush times.
What day of the week has the most flights from TRS to DUB?
Travel on a Saturday if you're looking for the best choice of flights from Friuli Venezia Giulia Airport (TRS) to Dublin Airport (DUB).
What is the earliest flight from Friuli Venezia Giulia Airport (TRS) to Dublin Airport (DUB)?
Hop on the earliest flight at around 6:50AM UTC+1, leaving from Friuli Venezia Giulia Airport (TRS). You'll be traveling for around 2h 55m, arriving at Dublin Airport (DUB) at approximately 8:45AM UTC+0.
How long does it take to fly from Friuli Venezia Giulia Airport (TRS) to Dublin Airport (DUB)?
The average flight time from TRS to DUB is 2 hours and 55 minutes, covering a total distance of 1,000 mi.
What is the best time to fly from Friuli Venezia Giulia Airport (TRS) to Dublin Airport (DUB)?
To avoid possible delays on the Friuli Venezia Giulia Airport (TRS) to Dublin Airport (DUB) route, fly before 3 PM. Later flights are 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 Dublin from Friuli Venezia Giulia Airport (TRS)?
Dublin Airport (DUB) is the only airport in Dublin with direct flights from Friuli Venezia Giulia Airport (TRS). Consider the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Friuli Venezia Giulia Airport (TRS) to Dublin Airport (DUB) last-minute?
Booking your ticket from TRS to DUB shortly before your trip is typically more expensive. But if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a TRS to DUB flight and hotel package?
Booking a TRS to DUB flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our impressive range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Friuli Venezia Giulia Airport (TRS) to Dublin Airport (DUB)?
It's generally possible to cancel or reschedule your TRS to DUB flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.