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NST to STL: distance & flight time
Nakhon Si Thammarat (Nakhon Si Thammarat Airport) → St. Louis (St Louis Lambert International Airport)
9,103 mi
14,650 km · 7,910 nm
18h 19m
estimated nonstop flight time
-12h
time difference · heading north
See live NST→STL fares Phone-only fares on this route — call free
Flight time details
9,103 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
- STL — St Louis Lambert International Airport · St. Louis, 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 STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
Frequently asked questions
How far is NST from STL?
The flight distance from Nakhon Si Thammarat (NST) to St. Louis (STL) is 9,103 miles (14,650 km, 7,910 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NST to STL?
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 St. Louis?
St. Louis is 12 hours behind Nakhon Si Thammarat.
What is the cheapest way to fly from NST to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NST–STL that never appear on search engines, with no booking fees.