Need help booking?
Unpublished phone-only deals available
NST to SUS: distance & flight time
Nakhon Si Thammarat (Nakhon Si Thammarat Airport) → Null (Spirit of St Louis Airport)
9,105 mi
14,653 km · 7,912 nm
18h 19m
estimated nonstop flight time
-12h
time difference · heading north
See live NST→SUS fares Phone-only fares on this route — call free
Flight time details
9,105 miles nonstop takes roughly 18h 19m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- NST — Nakhon Si Thammarat Airport · Nakhon Si Thammarat, Thailand
- SUS — Spirit of St Louis Airport · Null, United States
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 NST
- URT · Surat Thani Airport69 mi away
- USM · Samui Airport70 mi away
- KBV · Krabi Airport72 mi away
- TST · Trang Airport75 mi away
Near SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 mi away
Frequently asked questions
How far is NST from SUS?
The flight distance from Nakhon Si Thammarat (NST) to Null (SUS) is 9,105 miles (14,653 km, 7,912 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NST to SUS?
A nonstop flight takes about 18h 19m 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 Nakhon Si Thammarat and Null?
Null is 12 hours behind Nakhon Si Thammarat.
What is the cheapest way to fly from NST to SUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NST–SUS that never appear on search engines, with no booking fees.