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XSP to STL: distance & flight time
Singapore (Seletar Airport) → St. Louis (St Louis Lambert International Airport)
9,518 mi
15,317 km · 8,271 nm
19h 8m
estimated nonstop flight time
-13h
time difference · heading north
See live XSP→STL fares Phone-only fares on this route — call free
Flight time details
9,518 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 set-back when reading arrival times on your ticket.
The two airports
- XSP — Seletar Airport · Singapore, Singapore
- 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 XSP
- SIN · Singapore Changi Airport10 mi away
- QPG · Paya Lebar Air Base5 mi away
- TGA · Tengah Air Base11 mi away
- JHB · Senai International Airport21 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 XSP from STL?
The flight distance from Singapore (XSP) to St. Louis (STL) is 9,518 miles (15,317 km, 8,271 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from XSP to STL?
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 Singapore and St. Louis?
St. Louis is 13 hours behind Singapore.
What is the cheapest way to fly from XSP to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on XSP–STL that never appear on search engines, with no booking fees.