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Flights from Bangkok to Koh Samui

Cheapest airlines flights from Bangkok to Koh Samui

You can choose from 1 airlines that fly from Bangkok to Koh Samui, including Bangkok Airways, Bangkok Airways has lowest fares on this route.
Bangkok Airways logo Bangkok Airways
Airlines are determined based on actual purchased flight tickets from Bangkok to Koh Samui according to previous 12 months data from Trip.com.

Search for direct flights from Bangkok to Koh Samui in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$79, and round-trip direct flights start at US$147.

      • Cheapest nonstop
        BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Fri, May 22 | Bangkok Airways
        USM 07:50
        1h 15m
        Nonstop
        BKK 09:05
        Koh Samui - Bangkok | Wed, May 27 | Bangkok Airways
        US$147 US$197
        25% off
        25% off
        US$197 US$147
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Fri, Jun 5 | Bangkok Airways
        USM 06:00
        1h 15m
        Nonstop
        BKK 07:15
        Koh Samui - Bangkok | Tue, Jun 9 | Bangkok Airways
        US$149 US$197
        24% off
        24% off
        US$197 US$149
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Thu, Jun 4 | Bangkok Airways
        USM 06:00
        1h 15m
        Nonstop
        BKK 07:15
        Koh Samui - Bangkok | Tue, Jun 9 | Bangkok Airways
        US$149 US$197
        24% off
        24% off
        US$197 US$149
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Thu, May 21 | Bangkok Airways
        USM 06:00
        1h 15m
        Nonstop
        BKK 07:15
        Koh Samui - Bangkok | Tue, May 26 | Bangkok Airways
        US$149
        24% off
        US$197 US$149
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Mon, May 25 | Bangkok Airways
        USM 07:50
        1h 15m
        Nonstop
        BKK 09:05
        Koh Samui - Bangkok | Thu, May 28 | Bangkok Airways
        US$149
        24% off
        US$197 US$149
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Sun, May 24 | Bangkok Airways
        USM 06:00
        1h 15m
        Nonstop
        BKK 07:15
        Koh Samui - Bangkok | Tue, May 26 | Bangkok Airways
        US$149
        24% off
        US$197 US$149
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Sat, May 23 | Bangkok Airways
        USM 06:00
        1h 15m
        Nonstop
        BKK 07:15
        Koh Samui - Bangkok | Tue, May 26 | Bangkok Airways
        US$149
        24% off
        US$197 US$149
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Thu, May 28 | Bangkok Airways
        USM 06:55
        1h 30m
        Nonstop
        DMK 08:25
        Koh Samui - Bangkok | Sat, May 30 | Bangkok Airways
        US$149
        24% off
        US$197 US$149
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Wed, May 27 | Bangkok Airways
        USM 06:55
        1h 30m
        Nonstop
        DMK 08:25
        Koh Samui - Bangkok | Sat, May 30 | Bangkok Airways
        US$149
        24% off
        US$197 US$149
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Tue, May 26 | Bangkok Airways
        USM 07:50
        1h 15m
        Nonstop
        BKK 09:05
        Koh Samui - Bangkok | Thu, May 28 | Bangkok Airways
        US$149
        24% off
        US$197 US$149
      • BKK 13:00
        17h 25m
        1 stop
        USM Invalid Date
        Bangkok - Koh Samui | Thu, Apr 23 | Normal Airline
        USM 15:00
        6h
        Nonstop
        BKK 16:00
        Koh Samui - Bangkok | Sat, Apr 25 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Fri, Jun 19 | Bangkok Airways
        US$79 US$108
        27% off
        27% off
        US$108 US$79
      • BKK 15:00
        1h 30m
        Nonstop
        USM 16:30
        Bangkok - Koh Samui | Wed, Jun 17 | Bangkok Airways
        US$81 US$108
        25% off
        25% off
        US$108 US$81
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Thu, Jun 18 | Bangkok Airways
        US$82 US$108
        24% off
        24% off
        US$108 US$82
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Thu, Jun 4 | Bangkok Airways
        US$82
        24% off
        US$108 US$82
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Wed, May 20 | Bangkok Airways
        US$82
        24% off
        US$108 US$82
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Sun, May 24 | Bangkok Airways
        US$82
        24% off
        US$108 US$82
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Tue, May 12 | Bangkok Airways
        US$82
        24% off
        US$108 US$82
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Sun, May 17 | Bangkok Airways
        US$82
        24% off
        US$108 US$82
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Fri, Jun 5 | Bangkok Airways
        US$82
        24% off
        US$108 US$82
      • BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Tue, May 26 | Bangkok Airways
        US$82
        24% off
        US$108 US$82
      • BKK 13:00
        17h 25m
        1 stop
        USM Invalid Date
        Bangkok - Koh Samui | Thu, Apr 23 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Bangkok to Koh Samui are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Bangkok to Koh Samui Flight Details

The distance between Bangkok and Koh Samui is about 467.57 km. The average flying time from Bangkok to Koh Samui is around 1 hour 8 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is October.

Cheapest one-way flight priceUS$79
Cheapest return ticket priceUS$147
Cheapest monthOctober
Peak season for travelJuly
Flight distance467.57 km
Average flight time1 hour 8 minutes
Popular airlineBangkok Airways
Flight statistics for the Bangkok–Koh Samui route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Bangkok to Koh Samui

Which month has the cheapest one-way flights from Bangkok to Koh Samui?

The average price of one-way flights from Bangkok to Koh Samui purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Bangkok to Koh Samui is May, with an average price of US$76; while the month with the highest flight price is usually July, with an average price of up to US$125.

US$125
US$101
US$76
US$52
    Cheapest
  • US$102
    Apr
  • US$76
    May
  • US$91
    Jun
  • US$125
    Jul
  • US$102
    Aug
  • US$92
    Sep
  • US$77
    Oct
  • US$82
    Nov
  • US$97
    Dec
  • US$90
    Jan
  • US$110
    Feb
  • US$90
    Mar

Which month has the cheapest round-trip flights from Bangkok to Koh Samui?

The average price of round-trip flights from Bangkok to Koh Samui purchased by Trip.com users by month over the past 12 months.

Based on data from Trip.com, the lowest prices for round-trip flights from Bangkok to Koh Samui are found during June, with an average price of US$252. Conversely, the highest prices are found during August, with an average price of up to US$321.

US$321
US$287
US$252
US$218
    Cheapest
  • US$286
    Apr
  • US$269
    May
  • US$252
    Jun
  • US$320
    Jul
  • US$321
    Aug
  • US$284
    Sep
  • US$281
    Oct
  • US$258
    Nov
  • US$316
    Dec
  • US$321
    Jan
  • US$315
    Feb
  • US$306
    Mar

What is the cheapest day of the week to fly from Bangkok to Koh Samui?

Average weekly flight prices from Bangkok to Koh Samui by travel date (Based on Trip.com’s past 12 months of data)

Based on Trip.com’s past 12 months of flight data, the cheapest day to fly from Bangkok to Koh Samui is Tuesday, with average prices lower than on other days. Avoid Monday, as prices are usually highest then.

US$154
US$152
US$150
US$148
  • US$154
    Mon
  • US$150
    Tue
  • US$153
    Wed
  • US$150
    Thu
  • US$153
    Fri
  • US$153
    Sat
  • US$154
    Sun

When is the cheapest day to fly from Bangkok to Koh Samui during International Workers' Day?

Based on Trip.com's data over the past 3 days, these are the lowest one-way flight prices from Bangkok to Koh Samui during International Workers' Day.

International Workers' Day is scheduled for May 1. The cheapest flights from Bangkok to Koh Samui are available on May 3, with fares starting at US$115.

US$166
US$141
US$115
US$90
    Cheapest
  • US$137
    27
    Apr
  • US$135
    28
  • US$157
    29
  • US$166
    30
  • US$143
    1
    May
  • US$158
    2
  • US$115
    3

Frequently Asked Questions

  • What are the cheapest flights from Bangkok to Koh Samui (BKK-USM)?

    Based on Trip.com data, Bangkok Airways offers one-way fares as low as US$79 on Cheapest nonstop routes (e.g. BKK to USM on Fri, Jun 19), while Bangkok Airways offers Cheapest nonstop round-trips from US$147 departing on Fri, May 22 and returning on Wed, May 27.
  • At the moment, you can catch a nonstop flight from Bangkok to Koh Samui with the following airlines, including: Bangkok Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 1 hour 8 minutes to fly from Bangkok to Koh Samui.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Bangkok to Koh Samui is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 196 flight per week flying from Bangkok to Koh Samui. You can check the weekly schedule for popular airlines on this route below: Bangkok Airways: S/M/T/W/T/F/S -- PG455 (18:25) Bangkok Airways: S/M/T/W/T/F/S -- PG133 (11:46)
  • To find best deals on flights from Bangkok to Koh Samui, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Jun 19, with one-way flights priced at just US$79.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Bangkok Airways.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Koh Samui travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Bangkok to Koh Samui is October, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Bangkok to Koh Samui on April 22, 2026 with Bangkok Airways, with prices starting at US$78.
  • You can land at any one of the following hubs in Koh Samui, with Suvarnabhumi Airport to Samui Airport (BKK-USM) is by far the most common option on this route: Samui Airport (USM).
  • The time difference between Koh Samui and Bangkok is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Flight from Bangkok(BKK) to Koh Samui(USM)

Koh Samui is one of several gorgeous islands off the Thai coast and is the second-largest in the region. It is the most remarkable island in the Gulf of Thailand. From honeymoon couples to backpackers it has been a popular tourist destination for all and is now popular with families and groups. If you want to spend a memorable vacation with family, then Koh Samui is the best destination.

The tourism expansion here has contributed to the island’s growth of buildings, resorts, bungalows, and luxury private villas. The island receives numerous international tourists. The warm and clear water found is a good attraction for the tourists.

Tip: Although clearness of water on the smaller islands is much better, Koh Samui is still a better place to go.

Getting to city Koh Samui

In order to go from Bangkok to Koh Samui by means of the flight, we have to get down at Ko Samui Airport. There are a number of direct flights to Koh Samui. They all depart from Bangkok or Suvarnabhumi Airport. There are approximately three regular flights from Bangkok to Ko Samui of which two are direct flights to Koh Samui and one connecting flight on that route. Bangkok Airways, Thai Airways, British Airways, Air Berlin, Japan Airlines, are some of the major airlines along this route. Check out the best flights served in this route and book your tickets accordingly to save travel time. Airlines change air ticket price depending on day and time a flight is booked. After analyzing data from all airlines, it is found that Tuesdays, Wednesdays and Saturdays are the best for Cheap Flights from Bangkok to Koh Samui.

Tip: Several modes like flight, bus, train, or ferry depending on time, capacity and budget is there for getting from Bangkok to Koh Samui. Flights are the fastest way to travel.

Duration of Flight

There are Direct Flights from Bangkok to Koh Samui. Bangkok to Koh Samui flights can be expected to take about 1 hour 10 minutes. The time difference is not there. Here the destination airport is the Ko Samui Airport.

Tip: A non-stop flight has a minimum time duration of travel which becomes more for flights with stoppages.

Details of city Koh Samui

The 10 supreme beaches of Koh Samui are Chaweng, Lamai, Bophut, Maenam, Choeng Mon, Lipa Noi, Taling Ngam, Silver Beach, Samrong Beach and Thongson Bay and Bong Por.

Resorts on the beaches are the best places in the city for visitors to stay.

The Angthong Marine National Park, Big Buddha Beach also spectacular beaches surrounded with palm trees, thick mountainous rainforests and coconut groves are popular attraction within the city. The luxury resort and fashionable spas are also places of attraction. The restaurants available on the resorts provide Thai cuisine and international cuisines. Thai street food is also available. The main shopping spots are Chewng, Lamai, and Nathon. Taxis, Songthaews, Motorbike taxis, Motorbike renting, car renting, bicycle renting, uber and grab are some commuting facilities available in the city. Some of the well-known events and festivals of Samui are Bull Fighting Festival, Samui Regatta, Ten Stars Samui Art Party, Samui Traithlon, Koh Samui Midnight Run, Koh Samui International Podcast Festival. Thai is their official language.

Tip: Koh Samui or Ko Samui or Samui is an island off the east coast of Thailand

Trip.com is a brilliant travelling site with their services, mainly for customer support, helps customers make Bangkok-Koh Samui bookings easily online. Trip.com helps the visitor to easily arrange for a visit to Koh Samui and comfortable stay thereby choosing the best hotel, one of its specialities.

Trip.com Airline Insights on Flights from Bangkok to Koh Samui

Which airline operates the most flights from Bangkok to Koh Samui?

Total flights from Bangkok to Koh Samui across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, Bangkok Airways operates the most frequent flights from Bangkok to Koh Samui, with 228 flights per week.

141
170
199
228
Bangkok Airways
228
Bangkok Airways
Thai Airways
183
Thai Airways
China Airlines
181
China Airlines
EVA Air
181
EVA Air
Etihad Airways
181
Etihad Airways
Turkish Airlines
170
Turkish Airlines

How many flights fly from Bangkok to Koh Samui daily?

The data is based on the flight numbers for each day of the week from Bangkok to Koh Samui within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Bangkok to Koh Samui is the highest on Friday and the lowest on Monday.

1725
1537
1349
1161
Highest
1349
Mon
1400
Tue
1367
Wed
1452
Thu
1725
Fri
1555
Sat
1410
Sun

Explore More Popular Flights

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.