Need help booking?
Unpublished phone-only deals available
IAH to TRS: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Ronchi De Legionari (Trieste–Friuli Venezia Giulia Airport)
5,567 mi
8,959 km · 4,838 nm
11h 23m
estimated nonstop flight time
+7h
time difference · heading northeast
See live IAH→TRS fares Phone-only fares on this route — call free
Flight time details
5,567 miles nonstop takes roughly 11h 23m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- IAH — George Bush Intercontinental Houston Airport · Houston, 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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 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 IAH from TRS?
The flight distance from Houston (IAH) to Ronchi De Legionari (TRS) is 5,567 miles (8,959 km, 4,838 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to TRS?
A nonstop flight takes about 11h 23m 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 Houston and Ronchi De Legionari?
Ronchi De Legionari is 7 hours ahead of Houston.
What is the cheapest way to fly from IAH to TRS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–TRS that never appear on search engines, with no booking fees.