฿5,816 Find Cheap Flights from Hong Kong to Ko Samui – Compare and Save

Only Bangkok Airways operates flights between Hong Kong and Ko Samui.

Flights from Hong Kong to Ko Samui usually depart from Hong Kong Intl (HKG) and arrive at Ko Samui (USM).

Here are some options for this route, based on selected ticket types and cabin classes:

• Bangkok Airways: a cabin bag and a checked bag in Economy class
• Cathay Pacific: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average ฿15,320 return via Singapore Changi (SIN), compared with ฿19,247 for direct.

The Airbus A319 family is used most often on this route, operated mainly by Bangkok Airways and Cathay Pacific. Other aircraft seen on the route include Airbus A318/A319/A320/A321 variants.

One-stop flights from Hong Kong to Ko Samui most commonly connect through:

• Bangkok Suvarnabhumi (BKK) – 93% of one-stop connections
• Phuket City (HKT) – 3% of one-stop connections
• Singapore Changi (SIN) – 3% of one-stop connections

Bangkok Suvarnabhumi (BKK) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 26% on the Hong Kong to Ko Samui route. Tuesday is the cheapest departure day at ฿17,746 return on average, while Thursday is the most expensive at ฿23,925, a difference of ฿6,180. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Hong Kong to Ko Samui route, 13% of flights were delayed in the past 3 months, with delays averaging 2 hours 16 minutes.

Evening is the busiest departure period on Hong Kong to Ko Samui flights, with 100% leaving in that window. Morning departures account for 0%, Afternoon flights for 0%, and Night flights for 0%.

Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Hin Ta and Hin Yai Rocks. These are among the most viewed places in Ko Samui on KAYAK.

These are the earliest and latest flight times available from Hong Kong to Ko Samui:

• Earliest: departs at 17:05 and lands at 20:30
• Latest: departs at 17:20 and lands at 20:45.

The flight takes about 3h 25m.

Last-minute fares on this route (booked within 2 weeks of departure) run 7% above the route average of ฿19,909. Book 22 weeks before departure for the lowest fares.

A direct flight from Hong Kong to Ko Samui takes 3h 25m, covering 3,294 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿11,434 to ฿96,163. That means the highest observed fare was about 8x higher than the lowest one.

One-way fares from Hong Kong to Ko Samui are currently lower than usual. Average one-way flight prices are about ฿6,322, which is 43% below the typical average for this route.

Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Phuket City (HKT) gives the shortest average 1-stop total travel time of 6h 17m, compared to 7h 30m via Bangkok Suvarnabhumi (BKK) and 9h 00m via Singapore Changi (SIN).

Ko Samui is 1 hour behind Hong Kong (Indochina Time vs Hong Kong Time). Plan for the time shift when scheduling connections or first-day activities.

Ko Samui Airport (USM) hosts 5 major car hire companies, with daily rates starting from around ฿448 for economy cars. Top options include:
• Drive Car Rental
• Alamo
• Sixt
• Enterprise Rent-A-Car
• Hertz

Return flights from Hong Kong to Ko Samui range from ฿17,013 to ฿24,026, with an average of ฿19,909 over the past 12 months. Anything below ฿17,013 counts as a good deal.