Need help booking?
Unpublished phone-only deals available
FSI to PHS: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Phitsanulok (Phitsanulok Airport)
8,677 mi
13,965 km · 7,540 nm
17h 29m
estimated nonstop flight time
+12h
time difference · heading north
See live FSI→PHS fares Phone-only fares on this route — call free
Flight time details
8,677 miles nonstop takes roughly 17h 29m 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- PHS — Phitsanulok Airport · Phitsanulok, 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Near PHS
- THS · Sukhothai Airport44 mi away
- PHY · Phetchabun Airport61 mi away
- TKT · Tak Airport68 mi away
- PRH · Phrae Airport94 mi away
Frequently asked questions
How far is FSI from PHS?
The flight distance from Fort Sill (FSI) to Phitsanulok (PHS) is 8,677 miles (13,965 km, 7,540 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to PHS?
A nonstop flight takes about 17h 29m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from FSI to PHS?
Nonstop service on FSI–PHS depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 17h 29m nonstop estimate.
What is the time difference between Fort Sill and Phitsanulok?
Phitsanulok is 12 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to PHS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–PHS that never appear on search engines, with no booking fees.
Why are some FSI to PHS fares phone-only?
Consolidator contracts let us sell certain FSI–PHS tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.