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THS to DUC: distance & flight time
Sukhothai (Sukhothai Airport) → Duncan (Halliburton Field)
8,678 mi
13,966 km · 7,541 nm
17h 29m
estimated nonstop flight time
-12h
time difference · heading north
See live THS→DUC fares Phone-only fares on this route — call free
Flight time details
8,678 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 set-back when reading arrival times on your ticket.
The two airports
- THS — Sukhothai Airport · Sukhothai, Thailand
- DUC — Halliburton Field · Duncan, 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 THS
- PHS · Phitsanulok Airport44 mi away
- TKT · Tak Airport44 mi away
- PRH · Phrae Airport66 mi away
- LPT · Lampang Airport74 mi away
Near DUC
Frequently asked questions
How far is THS from DUC?
The flight distance from Sukhothai (THS) to Duncan (DUC) is 8,678 miles (13,966 km, 7,541 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THS to DUC?
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 THS to DUC?
Nonstop service on THS–DUC 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 Sukhothai and Duncan?
Duncan is 12 hours behind Sukhothai.
What is the cheapest way to fly from THS to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THS–DUC that never appear on search engines, with no booking fees.
Why are some THS to DUC fares phone-only?
Consolidator contracts let us sell certain THS–DUC 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.