NZD/NZ
Find cheap flights to Ko Samui in 2026/2027 from $1,425 This is the cheapest return flight found to Ko Samui from New Zealand on FlightsFinder on March 15th 2026 at 07:37. This offer may no longer be available. Click the offer to check live prices & dates of travel.
Our Flight Finder compares the cheapest flights to Ko Samui from the most established flight comparison sites.
Fly to Ko Samui and visit sites like Chaweng Beach, Lamai Beach, Maenam Beach & Bo Phut Beach.
1. Enter your search requirements for Ko Samui
2. Compare the best Ko Samui deals from top comparison engines
3. Book your Ko Samui flight at the cheapest price
These economy flights were found on FlightsFinder from New Zealand to Ko Samui in the last few days. Prices subject to availability.
No flights found for this month.
These economy flights were found on FlightsFinder from New Zealand to Ko Samui in the last few days. Prices subject to availability.
No flights found for this month.
No flights found for this month.
According to our data, May is on average the cheapest time to book flights to Ko Samui.
You can get flights from $1,425 return.
According to our data, December is on average the most expensive time to book flights to Ko Samui.
A return flight could set you back more than $2,037.
Ko Samui, an idyllic island paradise nestled in the Gulf of Thailand, captures the hearts of visitors with its pristine white sandy beaches, crystal-clear turquoise waters, and lush tropical landscapes. This enchanting destination offers a perfect blend of serenity and vibrant energy, making it a haven for relaxation and adventure seekers alike. Explore picturesque fishing villages, indulge in sumptuous local cuisine, or snorkel in the vibrant coral reefs teeming with marine life. Whether you seek tranquillity under swaying palm trees or excitement in bustling markets, Ko Samui promises an unforgettable journey of discovery and relaxation.
A good price for a flight to Koh Samui is $1283 - $1568.
The popular airports near Ko Samui include Samui International Airport (USM), Surat Thani Airport (URT), and Nakhon Si Thammarat Airport (NST).
The flight to Ko Samui (USM) is roughly 13 hours 22 minutes and 5,792 miles (9,321 kilometres) from Auckland, New Zealand - Auckland International Airport (AKL).
The best way is to compare flights to Ko Samui from leading comparison sites using our search engine dashboard.
We have currently found no direct flights to Ko Samui.
Here is the average weather forecast in Ko Samui by month:
• Jan: 29°C
• Feb: 29°C
• Mar: 31°C
• Apr: 32°C
• May: 33°C
• Jun: 33°C
• Jul: 32°C
• Aug: 32°C
• Sep: 32°C
• Oct: 31°C
• Nov: 30°C
• Dec: 29°C
The Ko Samui Airport is located approximately 2 km from the city centre.
Typically, flights are cheapest to Ko Samui 2 months before departure.
Studies show flights to Ko Samui are typically cheaper on Tuesdays and Wednesdays.
26 °C
Sun, 15 Mar 2026
Average Temperature
29°C
Jan
29°C
Feb
31°C
Mar
32°C
Apr
33°C
May
33°C
Jun
32°C
Jul
32°C
Aug
32°C
Sep
31°C
Oct
30°C
Nov
29°C
Dec
Auckland, New Zealand - Auckland International Airport (AKL) to Ko Samui (USM)
Distance:
5,792 miles (9,321 kilometres)
Average flight time (direct 13 hours 22 minutes)
Christchurch, New Zealand - Christchurch International Airport (CHC) to Ko Samui (USM)
Distance:
5,817 miles (9,361 kilometres)
Average flight time (direct 13 hours 25 minutes)
Wellington, New Zealand - Wellington International Airport (WLG) to Ko Samui (USM)
Distance:
5,880 miles (9,463 kilometres)
Average flight time (direct 13 hours 34 minutes)
Queenstown, New Zealand - Queenstown Airport (ZQN) to Ko Samui (USM)
Distance:
5,678 miles (9,138 kilometres)
Average flight time (direct 13 hours 7 minutes)
Dunedin, New Zealand - Dunedin International Airport (DUD) to Ko Samui (USM)
Distance:
5,767 miles (9,280 kilometres)
Average flight time (direct 13 hours 18 minutes)
Taupo, New Zealand - Taupo Airport (TUO) to Ko Samui (USM)
Distance:
5,893 miles (9,485 kilometres)
Average flight time (direct 13 hours 35 minutes)
Gisborne, New Zealand - Gisborne Airport (GIS) to Ko Samui (USM)
Distance:
5,990 miles (9,641 kilometres)
Average flight time (direct 13 hours 48 minutes)
Hokitika, New Zealand - Hokitika Airport (HKK) to Ko Samui (USM)
Distance:
5,725 miles (9,214 kilometres)
Average flight time (direct 13 hours 13 minutes)
Hamilton, New Zealand - Hamilton International Airport (HLZ) to Ko Samui (USM)
Distance:
5,837 miles (9,394 kilometres)
Average flight time (direct 13 hours 28 minutes)
Kerikeri, New Zealand - Bay of Islands Airport (KKE) to Ko Samui (USM)
Distance:
5,709 miles (9,188 kilometres)
Average flight time (direct 13 hours 11 minutes)
Kaitaia, New Zealand - Kaitaia Airport (KAT) to Ko Samui (USM)
Distance:
5,672 miles (9,128 kilometres)
Average flight time (direct 13 hours 6 minutes)
New Plymouth, New Zealand - New Plymouth Airport (NPL) to Ko Samui (USM)
Distance:
5,801 miles (9,335 kilometres)
Average flight time (direct 13 hours 23 minutes)
Napier/Hastings, New Zealand - Hawke's Bay Airport (NPE) to Ko Samui (USM)
Distance:
5,948 miles (9,572 kilometres)
Average flight time (direct 13 hours 43 minutes)
Nelson, New Zealand - Nelson Airport (NSN) to Ko Samui (USM)
Distance:
5,801 miles (9,336 kilometres)
Average flight time (direct 13 hours 23 minutes)
Invercargill, New Zealand - Invercargill Airport (IVC) to Ko Samui (USM)
Distance:
5,695 miles (9,165 kilometres)
Average flight time (direct 13 hours 9 minutes)
Palmerston North, New Zealand - Palmerston North Airport (PMR) to Ko Samui (USM)
Distance:
5,900 miles (9,496 kilometres)
Average flight time (direct 13 hours 36 minutes)
Rotorua, New Zealand - Rotorua International Airport (ROT) to Ko Samui (USM)
Distance:
5,893 miles (9,485 kilometres)
Average flight time (direct 13 hours 35 minutes)
Tauranga, New Zealand - Tauranga Airport (TRG) to Ko Samui (USM)
Distance:
5,879 miles (9,461 kilometres)
Average flight time (direct 13 hours 33 minutes)
Timaru, New Zealand - Richard Pearse Airport (TIU) to Ko Samui (USM)
Distance:
5,774 miles (9,292 kilometres)
Average flight time (direct 13 hours 19 minutes)
Blenheim, New Zealand - Woodbourne Airport (BHE) to Ko Samui (USM)
Distance:
5,838 miles (9,395 kilometres)
Average flight time (direct 13 hours 28 minutes)
Whangarei, New Zealand - Whangarei Airport (WRE) to Ko Samui (USM)
Distance:
5,744 miles (9,244 kilometres)
Average flight time (direct 13 hours 15 minutes)
From Auckland (AKL), New Zealand to Koh Samui, Thailand (USM): $1,425
Depart: 05 May 2026 · Return: 12 May 2026 Price found 15 Mar 2026, 07:37
From Christchurch (CHC), New Zealand to Koh Samui, Thailand (USM): $1,549
Depart: 06 May 2026 · Return: 13 May 2026 Price found 15 Mar 2026, 02:46
From Queenstown (ZQN), New Zealand to Koh Samui, Thailand (USM): $1,614
Depart: 11 May 2026 · Return: 24 May 2026 Price found 11 Mar 2026, 19:55
From Wellington (WLG), New Zealand to Koh Samui, Thailand (USM): $1,777
Depart: 16 Jun 2026 · Return: 23 Jun 2026 Price found 14 Mar 2026, 19:00
From Nelson (NSN), New Zealand to Koh Samui, Thailand (USM): $1,833
Depart: 09 Jun 2026 · Return: 25 Jun 2026 Price found 14 Mar 2026, 11:03
From Tauranga (TRG), New Zealand to Koh Samui, Thailand (USM): $1,931
Depart: 28 Apr 2026 · Return: 05 May 2026 Price found 14 Mar 2026, 21:45
From Blenheim (BHE), New Zealand to Koh Samui, Thailand (USM): $2,722
Depart: 26 Jun 2026 · Return: 05 Jul 2026 Price found 15 Mar 2026, 05:10
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