Need help booking?
Unpublished phone-only deals available
CJM to STL: distance & flight time
Chumphon (Chumphon Airport) → St. Louis (St Louis Lambert International Airport)
8,962 mi
14,424 km · 7,788 nm
18h 2m
estimated nonstop flight time
-12h
time difference · heading north
See live CJM→STL fares Phone-only fares on this route — call free
Flight time details
8,962 miles nonstop takes roughly 18h 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 set-back when reading arrival times on your ticket.
The two airports
- CJM — Chumphon Airport · Chumphon, 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 CJM
- VBP · Bokpyinn Airport52 mi away
- KAW · Kawthoung Airport72 mi away
- UNN · Ranong Airport83 mi away
- USM · Samui Airport93 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 CJM from STL?
The flight distance from Chumphon (CJM) to St. Louis (STL) is 8,962 miles (14,424 km, 7,788 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CJM to STL?
A nonstop flight takes about 18h 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 Chumphon and St. Louis?
St. Louis is 12 hours behind Chumphon.
What is the cheapest way to fly from CJM to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CJM–STL that never appear on search engines, with no booking fees.