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STL to TGA: distance & flight time
St. Louis (St Louis Lambert International Airport) → Tengah (Tengah Air Base)
9,523 mi
15,325 km · 8,275 nm
19h 8m
estimated nonstop flight time
+13h
time difference · heading north
See live STL→TGA fares Phone-only fares on this route — call free
Flight time details
9,523 miles nonstop takes roughly 19h 8m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- TGA — Tengah Air Base · Tengah, Singapore
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 TGA
- SIN · Singapore Changi Airport20 mi away
- XSP · Seletar Airport11 mi away
- QPG · Paya Lebar Air Base14 mi away
- JHB · Senai International Airport18 mi away
Frequently asked questions
How far is STL from TGA?
The flight distance from St. Louis (STL) to Tengah (TGA) is 9,523 miles (15,325 km, 8,275 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to TGA?
A nonstop flight takes about 19h 8m 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 Tengah?
Tengah is 13 hours ahead of St. Louis.
What is the cheapest way to fly from STL to TGA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–TGA that never appear on search engines, with no booking fees.