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SEP to URT: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Surat Thani (Surat Thani Airport)
9,360 mi
15,063 km · 8,134 nm
18h 49m
estimated nonstop flight time
+12h
time difference · heading northwest
See live SEP→URT fares Phone-only fares on this route — call free
Flight time details
9,360 miles nonstop takes roughly 18h 49m 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
- SEP — Stephenville Clark Regional Airport · Stephenville, United States
- URT — Surat Thani Airport · Surat Thani, 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Near URT
- UNN · Ranong Airport58 mi away
- USM · Samui Airport69 mi away
- NST · Nakhon Si Thammarat Airport69 mi away
- KBV · Krabi Airport72 mi away
Frequently asked questions
How far is SEP from URT?
The flight distance from Stephenville (SEP) to Surat Thani (URT) is 9,360 miles (15,063 km, 8,134 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to URT?
A nonstop flight takes about 18h 49m 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 Stephenville and Surat Thani?
Surat Thani is 12 hours ahead of Stephenville.
What is the cheapest way to fly from SEP to URT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–URT that never appear on search engines, with no booking fees.