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Cheap flights from Ko Samui to Bangkok from ฿3,126

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
USM — BKK
19 May — 26 May1
1 adult

Cheapflights Tip: The best prices from Ko Samui to Bangkok are usually found in October or May, booked 86 days in advance, depart on a Monday or Saturday and return on a Sunday

Cheap flight deals from Ko Samui to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from Ko Samui (USM) to Bangkok (TH1). 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 14 May 2025.

Round-trip from

฿4,523

One-way from

฿3,126

Popular in

March

Cheapest in

October

Average price

฿7,017
Bangkok Airways
  • Bangkok Airways
  • 13/6-15/6
  • Nonstop
  • 2h 20m total
  • Ko Samui to Bangkok
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29/9
  • 29/9
  • 1 total stop
  • 6h 35m total
  • Ko Samui to Bangkok
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (฿32,416 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿6,560 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2025
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Find flight deals from Ko Samui to Bangkok

Cheapest flights from Ko Samui to Bangkok
Explore the most affordable flight options available from Ko Samui to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 May 2025.

Fri 13/607:00USM - BKK
Nonstop1h 15mBangkok Airways
Sun 15/606:15BKK - USM
Nonstop1h 05mBangkok Airways
Deal found 14/5฿4,523
Thu 12/607:00USM - BKK
Nonstop1h 15mMultiple Airlines
Sun 15/619:50BKK - USM
1 stop22h 10mMultiple Airlines
Deal found 13/5฿5,055
Thu 27/1116:35USM - DMK
Nonstop1h 35mBangkok Airways
Fri 28/1118:55DMK - USM
Nonstop1h 35mBangkok Airways
Deal found 13/5฿5,321
Fri 13/614:30USM - DMK
1 stop6h 40mMultiple Airlines
Sun 15/618:15DMK - USM
Nonstop1h 30mMultiple Airlines
Deal found 13/5฿7,017

Cheapflights Fare Finder

Customise your flight search to find flights from Ko Samui to Bangkok that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 14 May 2025.
Use the filters below to find and compare flights from Ko Samui to Bangkok that are best for you.

Fly from

Ko Samui

Fly to

Bangkok

Route

Depart

Return

Price

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Fri 13/6

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 15/6

06:15-07:20

Nonstop1h 05m

฿4,523

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 12/6

07:00-08:15

Nonstop1h 15m

Bangkok Suvarnabhumi

Sun 15/6

19:50-18:00

1 stop22h 10m

฿5,055

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Tue 24/6

06:55-08:25

Nonstop1h 30m

Bangkok Don Mueang Intl

Sun 9/11

18:55-20:30

Nonstop1h 35m

฿6,285

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Fri 13/6

14:30-21:10

1 stop6h 40m

Bangkok Don Mueang Intl

Sun 15/6

18:15-19:45

Nonstop1h 30m

฿7,017

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Tue 12/8

12:10-23:05

2 stops10h 55m

Bangkok Suvarnabhumi

Sat 16/8

11:05-20:25

2 stops9h 20m

฿29,698

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Mon 29/9

12:30-19:05

1 stop6h 35m

฿3,126

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Thu 5/6

18:55-20:25

Nonstop1h 30m

฿3,159

Ko SamuiBangkok

USM - DMK

USMDMK

Ko Samui

Mon 16/6

06:55-08:25

Nonstop1h 30m

฿3,193

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Mon 9/6

12:30-18:05

1 stop5h 35m

฿3,326

Ko SamuiBangkok

USM - BKK

USMBKK

Ko Samui

Mon 30/6

08:00-17:20

2 stops9h 20m

฿9,611

Flights are sorted by cheapest return flights first.

Deals found on 13/5

Best time to book a flight from Ko Samui to Bangkok

Have a flexible travel schedule? Discover the best time to fly to Bangkok from Ko Samui with our price prediction graph.
Estimated return 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 Ko Samui to Bangkok

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

Use this chart to determine the optimal time to book a return flight from Ko Samui to Bangkok. Price data was last updated on 9 May 2025.

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ko Samui to Bangkok. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, June is the cheapest month in which you can book a flight from Ko Samui to Bangkok (average of ฿57). Flying from Ko Samui to Bangkok in December is currently the most expensive (average of ฿79). 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 USM to BKK?

Find hourly flight availability from Ko Samui to Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 May 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 47% on flights from Ko Samui to Bangkok by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Ko Samui to Bangkok?

Use this chart to determine the cheapest time to fly return from Ko Samui to Bangkok. Price data was last updated on 11 May 2025.

Travellers seeking maximum savings on their Ko Samui to Bangkok flight should consider departing on Sunday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Ko Samui to Bangkok

Explore weekly flight availability from Ko Samui to Bangkok. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 14 May 2025.

The most flights from USM to TH1 are scheduled on a Tuesday (272 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (249 on average).

Rainfall in Bangkok by month

Plan your trip to Bangkok by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bangkok ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Bangkok when rainfall is around 10.0 mm.

Temperature in Bangkok by month

Plan your trip to Bangkok by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bangkok, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

Reviews of airlines servicing Bangkok

Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated 14 May 2025.
Bangkok Airways
7.9
Good
109 reviews
Check prices

Food

7.2

Overall

7.9

Boarding

7.9

Comfort

7.8

Crew

8.5

Entertainment

6.2

Reviews

1 / 6
4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.
Bangkok Airways
7.9
Good
109 reviews
Bangkok Airways
7.9
Good
109 reviews
Check prices

Food

7.2

Overall

7.9

Boarding

7.9

Comfort

7.8

Crew

8.5

Entertainment

6.2

Reviews

1 / 6
4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.
Malaysia Airlines
7.3
Good
255 reviews
Bangkok Airways
7.9
Good
109 reviews
Check prices

Food

7.2

Overall

7.9

Boarding

7.9

Comfort

7.8

Crew

8.5

Entertainment

6.2

Reviews

1 / 6
4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Related info for your journey

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

  • What airport do you fly from for flights from Ko Samui to Bangkok?

    For a flight from Ko Samui to Bangkok, you will be flying from Ko Samui. Ko Samui (USM) is just 3.3 km from the centre of the city. Ko Samui is the only Ko Samui airport and it handles 263 outbound flights to Bangkok per day. 1 airline has flights to Bangkok from Ko Samui on a regular basis.

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

    According to our current data, Bangkok Airways (฿4,523), offers the cheapest pricing from Ko Samui to Bangkok. Bangkok Airways is currently priced 44% below the average price you’ll pay for this route.

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

    The top 3 most reliable airlines when flying from Ko Samui to Bangkok are Garuda Indonesia (96%), แอร์ฟร้านซ์ (93%) and เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ (93%).

  • What are the cheapest flights from Ko Samui to Bangkok?

    The cheapest flight price from Ko Samui to Bangkok is ฿447. On average you can expect to pay ฿7,720. The most popular route, (Ko Samui - Bangkok Suvarnabhumi), can usually be booked for ฿4,523.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ko Samui to Bangkok 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 Ko Samui to Bangkok?

    Currently, June is the cheapest month in which you can book a flight from Ko Samui to Bangkok (average of ฿57). Flying from Ko Samui to Bangkok in December is currently the most expensive (average of ฿79). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Ko Samui to Bangkok

Discover the top airline that operate flights from Ko Samui to Bangkok. 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 17,341 searches. Data last updated 14 May 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest฿4,742Average฿9,662FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ko Samui to Bangkok?

When you search for this flight from Ko Samui to Bangkok, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ko Samui to Bangkok?

Millions of users choose and trust Cheapflights to book the best flight deals from Ko Samui to Bangkok for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ko Samui to Bangkok with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ko Samui to Bangkok, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ko Samui to Bangkok become cheaper?

Yes, Cheapflights offers price alerts on Ko Samui to Bangkok flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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