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FSI to PHY: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Phetchabun (Phetchabun Airport)
8,664 mi
13,944 km · 7,529 nm
17h 27m
estimated nonstop flight time
+12h
time difference · heading northwest
See live FSI→PHY fares Phone-only fares on this route — call free
Flight time details
8,664 miles nonstop takes roughly 17h 27m gate to gate, flying northwest. 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
- PHY — Phetchabun Airport · Phetchabun, 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 PHY
- PHS · Phitsanulok Airport61 mi away
- LOE · Loei Airport63 mi away
- THS · Sukhothai Airport99 mi away
- KKC · Khon Kaen Airport106 mi away
Frequently asked questions
How far is FSI from PHY?
The flight distance from Fort Sill (FSI) to Phetchabun (PHY) is 8,664 miles (13,944 km, 7,529 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to PHY?
A nonstop flight takes about 17h 27m 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 PHY?
Nonstop service on FSI–PHY 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 27m nonstop estimate.
What is the time difference between Fort Sill and Phetchabun?
Phetchabun is 12 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to PHY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–PHY that never appear on search engines, with no booking fees.
Why are some FSI to PHY fares phone-only?
Consolidator contracts let us sell certain FSI–PHY 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.