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ZER to USM: distance & flight time
Zero (Ziro Airport) → Ko Samui (Samui Airport)
1,311 mi
2,110 km · 1,139 nm
3h 19m
estimated nonstop flight time
+1.5h
time difference · heading south
See live ZER→USM fares Phone-only fares on this route — call free
Flight time details
1,311 miles nonstop takes roughly 3h 19m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time gain when reading arrival times on your ticket.
The two airports
- ZER — Ziro Airport · Zero, India
- USM — Samui Airport · Ko Samui, 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 ZER
- IXI · North Lakhimpur Airport26 mi away
- JRH · Jorhat Airport63 mi away
- IXV · Along Airport72 mi away
- DIB · Dibrugarh Airport73 mi away
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
Frequently asked questions
How far is ZER from USM?
The flight distance from Zero (ZER) to Ko Samui (USM) is 1,311 miles (2,110 km, 1,139 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZER to USM?
A nonstop flight takes about 3h 19m 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 ZER to USM?
Nonstop service on ZER–USM 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 3h 19m nonstop estimate.
What is the time difference between Zero and Ko Samui?
Ko Samui is 1.5 hours ahead of Zero.
What is the cheapest way to fly from ZER to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZER–USM that never appear on search engines, with no booking fees.
Why are some ZER to USM fares phone-only?
Consolidator contracts let us sell certain ZER–USM 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.