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UTH to NST: distance & flight time
Udon Thani (Udon Thani Airport) → Nakhon Si Thammarat (Nakhon Si Thammarat Airport)
640 mi
1,031 km · 557 nm
1h 52m
estimated nonstop flight time
Same time
time difference · heading south
See live UTH→NST fares Phone-only fares on this route — call free
Flight time details
640 miles nonstop takes roughly 1h 52m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- UTH — Udon Thani Airport · Udon Thani, Thailand
- NST — Nakhon Si Thammarat Airport · Nakhon Si Thammarat, 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 UTH
- VTE · Wattay International Airport44 mi away
- KKC · Khon Kaen Airport64 mi away
- LOE · Loei Airport70 mi away
- SNO · Sakon Nakhon Airport89 mi away
Near NST
- URT · Surat Thani Airport69 mi away
- USM · Samui Airport70 mi away
- KBV · Krabi Airport72 mi away
- TST · Trang Airport75 mi away
Frequently asked questions
How far is UTH from NST?
The flight distance from Udon Thani (UTH) to Nakhon Si Thammarat (NST) is 640 miles (1,031 km, 557 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UTH to NST?
A nonstop flight takes about 1h 52m 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 cheapest way to fly from UTH to NST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UTH–NST that never appear on search engines, with no booking fees.