Flights from Phnom Penh to Koh Samui (KTI → USM)

KTI
Phnom Penh
Kratie Airport, Cambodia
USM
Koh Samui
Samui, Thailand
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No direct flights found. Here are the 5 fastest 1-stop options.
viaBangkok(BKK)
KTI→BKK+1h 30mBKK→USM
2h 40m
viaBangkok(DMK)
KTI→DMK+1h 30mDMK→USM
2h 43m
viaSingapore(SIN)
KTI→SIN+1h 30mSIN→USM
4h
viaHong Kong(HKG)
KTI→HKG+1h 30mHKG→USM
5h 44m
viaChengdu(TFU)
KTI→TFU+1h 30mTFU→USM
6h 45m
Search all options on Kiwi.com → Total times include an estimated 90-minute layover. Actual times vary by airline and connection.

Frequently asked questions

Are there direct flights from Phnom Penh to Koh Samui? Currently, there are no direct flights from KTI to USM. You may need to connect through another airport.

Related guides for this route

Sibling pages from across Flightmaps — fares, visa rules, country aggregations, and per-airline routes for Phnom Penh → Koh Samui.

Cheap flights from Phnom Penh to Koh Samui Cheapest month to fly to Koh Samui Flights from Cambodia Flights to Thailand Visa-free with Cambodia passport All airports in Thailand

Try a nearby airport to Phnom Penh

Flights to Koh Samui (USM) from other airports within 350 km of Phnom Penh. Often unlocks cheaper fares or better times.

KOS → USM 165 km from KTI Sihanoukville → Koh Samui Cambodia · 10 destinations PQC → USM 167 km from KTI Phu Quoc → Koh Samui Viet Nam · 23 destinations VCA → USM 173 km from KTI Can Tho → Koh Samui Viet Nam · 6 destinations SGN → USM 200 km from KTI Ho Chi Minh City → Koh Samui Viet Nam · 88 destinations SAI → USM 236 km from KTI Siem Reap → Koh Samui Cambodia · 14 destinations

Or try a nearby airport to Koh Samui

Flights from Phnom Penh (KTI) to other airports within 350 km of Koh Samui.

KTI → KBV 201 km from USM Phnom Penh → Krabi Thailand · 12 destinations KTI → HKT 251 km from USM Phnom Penh → Phuket Thailand · 70 destinations KTI → HDY 293 km from USM Phnom Penh → Hat Yai Thailand · 9 destinations

Other flights from Phnom Penh (KTI)

Abu Dhabi (AUH) Bangkok (BKK) Bangkok (DMK) Beijing (PEK) Changsha (CSX) Chengdu (TFU) Chongqing (CKG) Da Nang (DAD) All 38 destinations →

Other flights from Koh Samui (USM)

Bangkok (BKK) Bangkok (DMK) Chengdu (TFU) Chiang Mai (CNX) Hong Kong (HKG) Krabi (KBV) Phuket (HKT) Singapore (SIN) All 9 destinations →