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BOI to TRS: distance & flight time
Boise (Boise Air Terminal/Gowen Field) → Ronchi De Legionari (Trieste–Friuli Venezia Giulia Airport)
5,535 mi
8,907 km · 4,810 nm
11h 19m
estimated nonstop flight time
+8h
time difference · heading northeast
See live BOI→TRS fares Phone-only fares on this route — call free
Flight time details
5,535 miles nonstop takes roughly 11h 19m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- BOI — Boise Air Terminal/Gowen Field · Boise, United States
- 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 BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 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 BOI from TRS?
The flight distance from Boise (BOI) to Ronchi De Legionari (TRS) is 5,535 miles (8,907 km, 4,810 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOI to TRS?
A nonstop flight takes about 11h 19m 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 Boise and Ronchi De Legionari?
Ronchi De Legionari is 8 hours ahead of Boise.
What is the cheapest way to fly from BOI to TRS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOI–TRS that never appear on search engines, with no booking fees.