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STL to LPT: distance & flight time
St. Louis (St Louis Lambert International Airport) → Lampang (Lampang Airport)
8,446 mi
13,592 km · 7,339 nm
17h 2m
estimated nonstop flight time
+12h
time difference · heading north
See live STL→LPT fares Phone-only fares on this route — call free
Flight time details
8,446 miles nonstop takes roughly 17h 2m 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
- LPT — Lampang Airport · Lampang, 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 LPT
- PRH · Phrae Airport44 mi away
- CNX · Chiang Mai International Airport49 mi away
- THS · Sukhothai Airport74 mi away
- NNT · Nan Airport92 mi away
Frequently asked questions
How far is STL from LPT?
The flight distance from St. Louis (STL) to Lampang (LPT) is 8,446 miles (13,592 km, 7,339 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to LPT?
A nonstop flight takes about 17h 2m 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 Lampang?
Lampang is 12 hours ahead of St. Louis.
What is the cheapest way to fly from STL to LPT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–LPT that never appear on search engines, with no booking fees.