Need help booking?
Unpublished phone-only deals available
DEF to DLI: distance & flight time
Dezful (Dezful Airport) → Dalat (Lien Khuong Airport)
4,041 mi
6,503 km · 3,511 nm
8h 23m
estimated nonstop flight time
+3.5h
time difference · heading east
See live DEF→DLI fares Phone-only fares on this route — call free
Flight time details
4,041 miles nonstop takes roughly 8h 23m 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
- DEF — Dezful Airport · Dezful, Iran
- DLI — Lien Khuong Airport · Dalat, Vietnam
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 DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 mi away
Near DLI
- PHA · Phan Rang Airport40 mi away
- CXR · Cam Ranh Airport60 mi away
- NHA · Nha Trang Air Base65 mi away
- BMV · Buon Ma Thuot Airport66 mi away
Frequently asked questions
How far is DEF from DLI?
The flight distance from Dezful (DEF) to Dalat (DLI) is 4,041 miles (6,503 km, 3,511 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEF to DLI?
A nonstop flight takes about 8h 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 Dezful and Dalat?
Dalat is 3.5 hours ahead of Dezful.
What is the cheapest way to fly from DEF to DLI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEF–DLI that never appear on search engines, with no booking fees.