Flights from Koh Samui to London (USM → LHR)

USM
Koh Samui
Samui, Thailand
LHR
London
Heathrow, United Kingdom
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No direct flights found. Here are the 5 fastest 1-stop options.
viaBangkok(BKK)
USM→BKK+1h 30mBKK→LHR
13h 19m
viaPhuket(HKT)
USM→HKT+1h 30mHKT→LHR
13h 27m
viaChengdu(TFU)
USM→TFU+1h 30mTFU→LHR
14h 6m
viaHong Kong(HKG)
USM→HKG+1h 30mHKG→LHR
15h 15m
viaSingapore(SIN)
USM→SIN+1h 30mSIN→LHR
15h 29m
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 Koh Samui to London? Currently, there are no direct flights from USM to LHR. 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 Koh Samui → London.

Cheap flights from Koh Samui to London Cheapest month to fly to London Flights from Thailand Flights to United Kingdom Visa-free with Thailand passport All airports in United Kingdom

Try a nearby airport to Koh Samui

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

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

Or try a nearby airport to London

Flights from Koh Samui (USM) to other airports within 350 km of London.

USM → LCY 35 km from LHR Koh Samui → London United Kingdom · 31 destinations USM → LGW 40 km from LHR Koh Samui → London United Kingdom · 216 destinations USM → LTN 46 km from LHR Koh Samui → London United Kingdom · 137 destinations USM → STN 68 km from LHR Koh Samui → London United Kingdom · 202 destinations USM → SEN 81 km from LHR Koh Samui → Southend United Kingdom · 25 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 →

Other flights from London (LHR)

Aberdeen (ABZ) Abu Dhabi (AUH) Abuja (ABV) Accra (ACC) Addis Ababa (ADD) Algiers (ALG) Almaty (ALA) Amman (AMM) All 224 destinations →