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TRS to DED: distance & flight time
Ronchi De Legionari (Trieste–Friuli Venezia Giulia Airport) → Dehra Dun (Dehradun Airport)
3,581 mi
5,763 km · 3,112 nm
7h 29m
estimated nonstop flight time
+3.5h
time difference · heading east
See live TRS→DED fares Phone-only fares on this route — call free
Flight time details
3,581 miles nonstop takes roughly 7h 29m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- TRS — Trieste–Friuli Venezia Giulia Airport · Ronchi De Legionari, Italy
- DED — Dehradun Airport · Dehra Dun, India
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 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
Near DED
- IXC · Chandigarh Airport89 mi away
- SLV · Shimla Airport90 mi away
- PGH · Pantnagar Airport111 mi away
- DEL · Indira Gandhi International Airport130 mi away
Frequently asked questions
How far is TRS from DED?
The flight distance from Ronchi De Legionari (TRS) to Dehra Dun (DED) is 3,581 miles (5,763 km, 3,112 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TRS to DED?
A nonstop flight takes about 7h 29m 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 Ronchi De Legionari and Dehra Dun?
Dehra Dun is 3.5 hours ahead of Ronchi De Legionari.
What is the cheapest way to fly from TRS to DED?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TRS–DED that never appear on search engines, with no booking fees.