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STL to URT: distance & flight time
St. Louis (St Louis Lambert International Airport) → Surat Thani (Surat Thani Airport)
9,072 mi
14,601 km · 7,884 nm
18h 15m
estimated nonstop flight time
+12h
time difference · heading north
See live STL→URT fares Phone-only fares on this route — call free
Flight time details
9,072 miles nonstop takes roughly 18h 15m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- URT — Surat Thani Airport · Surat Thani, 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 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
Near URT
- UNN · Ranong Airport58 mi away
- USM · Samui Airport69 mi away
- NST · Nakhon Si Thammarat Airport69 mi away
- KBV · Krabi Airport72 mi away
Frequently asked questions
How far is STL from URT?
The flight distance from St. Louis (STL) to Surat Thani (URT) is 9,072 miles (14,601 km, 7,884 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to URT?
A nonstop flight takes about 18h 15m 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 St. Louis and Surat Thani?
Surat Thani is 12 hours ahead of St. Louis.
What is the cheapest way to fly from STL to URT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–URT that never appear on search engines, with no booking fees.