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DEF to NST: distance & flight time
Dezful (Dezful Airport) → Nakhon Si Thammarat (Nakhon Si Thammarat Airport)
3,677 mi
5,918 km · 3,196 nm
7h 41m
estimated nonstop flight time
+3.5h
time difference · heading east
See live DEF→NST fares Phone-only fares on this route — call free
Flight time details
3,677 miles nonstop takes roughly 7h 41m 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
- NST — Nakhon Si Thammarat Airport · Nakhon Si Thammarat, Thailand
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 NST
- URT · Surat Thani Airport69 mi away
- USM · Samui Airport70 mi away
- KBV · Krabi Airport72 mi away
- TST · Trang Airport75 mi away
Frequently asked questions
How far is DEF from NST?
The flight distance from Dezful (DEF) to Nakhon Si Thammarat (NST) is 3,677 miles (5,918 km, 3,196 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEF to NST?
A nonstop flight takes about 7h 41m 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 Nakhon Si Thammarat?
Nakhon Si Thammarat is 3.5 hours ahead of Dezful.
What is the cheapest way to fly from DEF to NST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEF–NST that never appear on search engines, with no booking fees.