Koh Samui USM to Trat TDX Flights

Cheap plane tickets from Koh Samui to Trat can start from as little as $313 (€255) when you book in advance. The average flight ticket price for Koh Samui to Trat is $313 (€255) ; however, prices vary depending on the time of day and class and they tend to be more expensive on the day.

The average journey time by plane from Koh Samui to Trat is 10h 30m to travel the 243 miles (392 km) long route. Journey times can vary on weekends and holidays, so use our Journey Planner to search for a specific date.

The earliest flight from Koh Samui to Trat leaves at 11:45 PM. Plan your trip with the Journey Planner from Omio.

The latest flight from Koh Samui to Trat leaves at 11:45 PM.

The cheapest month for a flight from Koh Samui to Trat is January.

It's helpful to compare your options as there are 2 ways to travel between Koh Samui and Trat including taking a ferry and flight.

Since neither Koh Samui nor Trat are in the Schengen Area, passport requirements depend on the specific immigration rules of Thailand and Thailand. Entry and visa requirements can be subject to change. For the latest information, check with your destination's embassy or consulate.

There is no time difference between Koh Samui and Trat.

For domestic flights we recommend to arrive 1.5 to 2 hours before departure. Please check the website of your departure airport if in doubt. Some airports may offer booking time slots for security checks or offer additional information on when to get there based on time of day.

Most airlines permit carry-on bags that fit within specific dimensions (e.g., 22 x 14 x 9 inches or 56 x 36 x 23 cm), including handles and wheels. Bags must fit in the overhead bin or under the seat in front of you.

Many airlines impose weight limits, commonly ranging between 7 kg (15 lbs) and 12 kg (26 lbs). Typically, passengers are allowed one carry-on bag and one personal item (for example a purse, laptop bag, or backpack). Personal items must fit under the seat in front of you. Budget Airlines (like Ryanair or Wizz Air) have stricter size and weight limits, often requiring fees for larger carry-ons. Full-Service Airlines have more lenient policies, sometimes including more spacious dimensions or higher weight limits depending on your ticket class.

The list of items prohibited on an airplane varies by country and airline, but in general, the following items are not allowed in carry-on or checked baggage: Weapons and self-defence items, sharp objects, flammable materials, explosives, toxic substances, or liquids over 100ml (except for medications and baby essentials). In checked baggage, firearms (without authorization), explosives, large lithium batteries, and hazardous chemicals are prohibited. Electronic cigarettes must be in carry-on bags, while alcohol and dry ice have restrictions. Always check with your airline for specific regulations.

Thailand uses the Thai Baht (THB) as its currency. Travelers often find it convenient to use cash for small purchases, markets, and transportation, while cards are widely accepted in hotels, restaurants, and larger stores. Carrying some cash is advisable, but using cards can offer better security and exchange rates in urban areas.

Pack lightweight, versatile clothing suitable for the destination's climate, and use secure, lockable luggage to protect belongings. Keep essential items like travel documents, medication, and valuables in a carry-on bag for easy access. Use packing organizers or cubes to maximize space and maintain order. Lastly, include a small first aid kit and personal hygiene items for added comfort during travel.