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Ko Samui

Cheap flights from Rayong to Ko Samui (UTP - USM)

UTP — USM
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheapflights Tip: The best prices from Utapao Rayong Pattaya to Ko Samui are usually found in June or September, booked 52 days in advance, depart on a Saturday or Monday and return on a Monday

Cheap flight deals from Rayong to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Rayong (UTP) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 15, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Popular in

December

Cheapest in

June

Average price

$307

Good round-trip deal

$325 or less

Good one-way deal

$147 or less
Provider with most accurate pricing for Utapao Rayong Pattaya-Ko Samui flight deals.
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Provider most trusted by Cheapflights users for Utapao Rayong Pattaya-Ko Samui flights.
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Highest demand for flights based on searches. 15% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Utapao Rayong Pattaya to Ko Samui.
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Price to beat on a one-way flight from Utapao Rayong Pattaya to Ko Samui.
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Compare providers for flights from Rayong to Ko Samui

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rayong to Ko Samui in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
SmartFaresPrice Accuracy1 starTrust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rayong-Ko Samui flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Rayong-Ko Samui flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Rayong-Ko Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rayong-Ko Samui flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rayong-Ko Samui flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rayong to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Rayong with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rayong to Ko Samui

How far ahead should I book a flight from Rayong to Ko Samui?

Use this chart to determine the optimal time to book a round-trip flight from Rayong to Ko Samui. Price data was last updated on January 9, 2026.

The price you pay for your flight from Rayong to Ko Samui may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Rayong to Ko Samui?

Currently, June is the cheapest month in which you can book a flight from Rayong to Ko Samui (average of $26). Flying from Rayong to Ko Samui in April is currently the most expensive (average of $49). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from UTP to USM?

Find hourly flight availability from Rayong to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 15, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Rayong to Ko Samui as you normally would.

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated January 15, 2026.
Read reviews from past customers who have flown Bangkok Airways from Rayong to Ko Samui. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.1
Very good
120 reviews

Crew

8.6

Entertainment

6.3

Overall

8.1

Food

7.3

Comfort

8.0

Boarding

8.1

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Bangkok Airways
8.1
Very good
120 reviews
Bangkok Airways
8.1
Very good
120 reviews

Crew

8.6

Entertainment

6.3

Overall

8.1

Food

7.3

Comfort

8.0

Boarding

8.1

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.

Related info for your journey

Find useful and relevant information for your journey from Rayong to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Rayong to Ko Samui flight route?

    Flights from Utapao Rayong Pattaya to Ko Samui have been viewed 3 times in the past calendar month.

  • What is the cheapest airline to fly from Rayong to Ko Samui round-trip?

    Bangkok Airways, at $124, was found to be the cheapest airline from Rayong to Ko Samui.. Bangkok Airways is priced at 47% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Rayong to Ko Samui?

    No one likes to see their flight delayed. When booking a flight from Rayong to Ko Samui consider choosing Thai Airways (87%), Etihad Airways (87%) or Turkish Airlines (87%) as they are the most reliable in getting you off to your destination on time.

  • Can I find deals for flights from Rayong to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Rayong to Ko Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rayong to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rayong to Ko Samui.

  • Can I find deals for business class flights from Rayong to Ko Samui?

    Yes. Cheapflights offers flight deals from Rayong to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rayong to Ko Samui?

    Currently, June is the cheapest month in which you can book a flight from Rayong to Ko Samui (average of $26). Flying from Rayong to Ko Samui in April is currently the most expensive (average of $49). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

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Top airline flying from Rayong to Ko Samui

Discover the top airline that operate flights from Rayong to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest$124Average$221FlexibilityNo cancel feeOn-time74%

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