Dublin (DUB) to Trieste (TRS) flights
One airline flies nonstop from Dublin (DUB) to Trieste (TRS): Ryanair. The two airports are 1,023 miles (1,646 km) apart. There are also 22 ways to fly it with one stop, through London, Brussels and Zurich and more.
Airlines flying nonstop from DUB to TRS
- RyanairNot in an alliance

DUB to TRS with one stop
22 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via London (STN)Ryanair the whole way



- Via Brussels (CRL)Ryanair the whole way


- Via Zurich (ZRH)Aer Lingus and SWISS, then Helvetic Airways

2L - Via Paris (BVA)Ryanair the whole way


- Via Frankfurt (FRA)Aer Lingus and Lufthansa, then TUI fly Deutschland and Air Dolomiti

X3
- Via Dusseldorf (DUS)Aer Lingus and Eurowings, then TUI fly Deutschland

X3 - Via Milan (LIN)Aer Lingus, then AeroItalia
XZ - Via Prague (PRG)Ryanair the whole way



- Via Berlin (BER)Ryanair the whole way



- Via Rome (FCO)Aer Lingus and Ryanair, then ITA Airways



- Via Olbia (OLB)Ryanair the whole way


- Via Krakow (KRK)Ryanair the whole way


- Via Alghero (AHO)Ryanair, then AeroItalia
XZ - Via Barcelona (BCN)Ryanair the whole way




- Via Naples (NAP)Ryanair the whole way




DUB to TRS: common questions
Which airlines fly nonstop from DUB to TRS?
Ryanair flies nonstop from Dublin (DUB) to Trieste (TRS).
How far is Dublin from Trieste by plane?
Dublin (DUB) and Trieste (TRS) are 1,023 miles (1,646 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does DUB to TRS cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for DUB to TRS with taxes and fees.
Where can I connect between Dublin and Trieste?
The most direct connections are through London (STN), Brussels (CRL), Zurich (ZRH), Paris (BVA) and Frankfurt (FRA). On 16 of them the same airline flies both flights, for example Ryanair through London.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.