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SXI to NST: distance & flight time
Siri Island (Sirri Island Airport) → Nakhon Si Thammarat (Nakhon Si Thammarat Airport)
3,207 mi
5,161 km · 2,787 nm
6h 45m
estimated nonstop flight time
+3.5h
time difference · heading east
See live SXI→NST fares Phone-only fares on this route — call free
Flight time details
3,207 miles nonstop takes roughly 6h 45m 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
- SXI — Sirri Island Airport · Siri Island, 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 SXI
- DXB · Dubai International Airport69 mi away
- AEU · Abu Musa Island Airport31 mi away
- BDH · Bandar Lengeh Airport47 mi away
- KIH · Kish International Airport55 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 SXI from NST?
The flight distance from Siri Island (SXI) to Nakhon Si Thammarat (NST) is 3,207 miles (5,161 km, 2,787 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SXI to NST?
A nonstop flight takes about 6h 45m 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 Siri Island and Nakhon Si Thammarat?
Nakhon Si Thammarat is 3.5 hours ahead of Siri Island.
What is the cheapest way to fly from SXI to NST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SXI–NST that never appear on search engines, with no booking fees.