Need help booking?
Unpublished phone-only deals available
USM to SQH: distance & flight time
Ko Samui (Samui Airport) → Son-La (Na-San Airport)
848 mi
1,365 km · 737 nm
2h 19m
estimated nonstop flight time
Same time
time difference · heading north
See live USM→SQH fares Phone-only fares on this route — call free
Flight time details
848 miles nonstop takes roughly 2h 19m gate to gate, flying north. 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
- USM — Samui Airport · Ko Samui, Thailand
- SQH — Na-San Airport · Son-La, Vietnam
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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Near SQH
- NEU · Sam Neua Airport55 mi away
- DIN · Dien Bien Phu Airport67 mi away
- HAN · Noi Bai International Airport114 mi away
- XKH · Xieng Khouang Airport135 mi away
Frequently asked questions
How far is USM from SQH?
The flight distance from Ko Samui (USM) to Son-La (SQH) is 848 miles (1,365 km, 737 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to SQH?
A nonstop flight takes about 2h 19m 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 USM to SQH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–SQH that never appear on search engines, with no booking fees.