Need help booking?
Unpublished phone-only deals available
USM to PIE: distance & flight time
Ko Samui (Samui Airport) → St. Petersburg (St Petersburg Clearwater International Airport)
9,842 mi
15,839 km · 8,553 nm
19h 46m
estimated nonstop flight time
-11h
time difference · heading north
See live USM→PIE fares Phone-only fares on this route — call free
Flight time details
9,842 miles nonstop takes roughly 19h 46m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- PIE — St Petersburg Clearwater International Airport · St. Petersburg, 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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Near PIE
- TPA · Tampa International Airport10 mi away
- CLW · Clearwater Air Park6 mi away
- SPG · Albert Whitted Airport11 mi away
- MCF · Mac Dill Air Force Base11 mi away
Frequently asked questions
How far is USM from PIE?
The flight distance from Ko Samui (USM) to St. Petersburg (PIE) is 9,842 miles (15,839 km, 8,553 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to PIE?
A nonstop flight takes about 19h 46m 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 Ko Samui and St. Petersburg?
St. Petersburg is 11 hours behind Ko Samui.
What is the cheapest way to fly from USM to PIE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–PIE that never appear on search engines, with no booking fees.