Utapao (UTP) to Koh Samui (USM) flights
One airline flies nonstop from Utapao (UTP) to Koh Samui (USM): Bangkok Airways. The two airports are 226 miles (363 km) apart. There are also 2 ways to fly it with one stop, through Phuket and Chiang Mai.
Airlines flying nonstop from UTP to USM
- Bangkok AirwaysNot in an alliance · bookable with 3 programsWho books it
Book UTP to USM with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air France-KLM Flying BlueBooks Bangkok Airways
- Emirates SkywardsBooks Bangkok Airways
- Singapore Airlines KrisFlyerBooks Bangkok Airways
UTP to USM with one stop
2 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Phuket (HKT)Bangkok Airways the whole way
- Via Chiang Mai (CNX)Thai Lion Air, then Bangkok Airways
UTP to USM: common questions
Which airlines fly nonstop from UTP to USM?
Bangkok Airways flies nonstop from Utapao (UTP) to Koh Samui (USM).
How far is Utapao from Koh Samui by plane?
Utapao (UTP) and Koh Samui (USM) are 226 miles (363 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book UTP to USM award flights?
3 programs can book at least one of the nonstop airlines: Air France-KLM Flying Blue, Emirates Skywards and Singapore Airlines KrisFlyer. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does UTP to USM cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for UTP to USM with taxes and fees.
Where can I connect between Utapao and Koh Samui?
The most direct connections are through Phuket (HKT) and Chiang Mai (CNX). On 1 of them the same airline flies both flights, for example Bangkok Airways through Phuket.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.