Need help booking?
Unpublished phone-only deals available
UNI to TRS: distance & flight time
Union Island (Union Island International Airport) → Ronchi De Legionari (Trieste–Friuli Venezia Giulia Airport)
4,871 mi
7,839 km · 4,233 nm
10h 1m
estimated nonstop flight time
+6h
time difference · heading northeast
See live UNI→TRS fares Phone-only fares on this route — call free
Flight time details
4,871 miles nonstop takes roughly 10h 1m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- UNI — Union Island International Airport · Union Island, Saint Vincent and the Grenadines
- TRS — Trieste–Friuli Venezia Giulia Airport · Ronchi De Legionari, Italy
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near UNI
- CIW · Canouan Airport8 mi away
- MQS · Mustique Airport25 mi away
- BQU · J F Mitchell Airport29 mi away
- SVD · Argyle International Airport42 mi away
Near TRS
- POW · Portoroz Airport25 mi away
- AVB · Aviano Air Base44 mi away
- LJU · Ljubljana Jože Pučnik Airport55 mi away
- VCE · Venice Marco Polo Airport58 mi away
Frequently asked questions
How far is UNI from TRS?
The flight distance from Union Island (UNI) to Ronchi De Legionari (TRS) is 4,871 miles (7,839 km, 4,233 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UNI to TRS?
A nonstop flight takes about 10h 1m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Union Island and Ronchi De Legionari?
Ronchi De Legionari is 6 hours ahead of Union Island.
What is the cheapest way to fly from UNI to TRS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UNI–TRS that never appear on search engines, with no booking fees.