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Flights from Koh Samui to Bangkok

Find cheap airlines flights from Koh Samui to Bangkok

You can choose from 1 airlines that fly from Koh Samui to Bangkok, 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 Koh Samui to Bangkok according to previous 12 months data from Trip.com.

Book direct flights from Koh Samui to Bangkok: One way flights from $74, round trip flights from $157. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        USM 6:00 AM
        1h 15m
        Nonstop
        BKK 7:15 AM
        Koh Samui - Bangkok | Mon, Jun 8 | Bangkok Airways
        BKK 8:05 PM
        1h 30m
        Nonstop
        USM 9:35 PM
        Bangkok - Koh Samui | Sat, Jun 13 | Bangkok Airways
        $157 $236
        33% off
        33% off
        $236 $157
      • USM 8:50 PM
        1h 30m
        Nonstop
        BKK 10:20 PM
        Koh Samui - Bangkok | Thu, Jun 11 | Bangkok Airways
        BKK 8:05 PM
        1h 30m
        Nonstop
        USM 9:35 PM
        Bangkok - Koh Samui | Sun, Jun 14 | Bangkok Airways
        $159 $236
        33% off
        33% off
        $236 $159
      • USM 6:00 AM
        1h 15m
        Nonstop
        BKK 7:15 AM
        Koh Samui - Bangkok | Sat, Jun 13 | Bangkok Airways
        BKK 6:05 AM
        1h 5m
        Nonstop
        USM 7:10 AM
        Bangkok - Koh Samui | Thu, Jun 18 | Bangkok Airways
        $161 $236
        32% off
        32% off
        $236 $161
      • USM 9:00 PM
        1h 30m
        Nonstop
        BKK 10:30 PM
        Koh Samui - Bangkok | Wed, Jun 10 | Bangkok Airways
        BKK 6:05 AM
        1h 5m
        Nonstop
        USM 7:10 AM
        Bangkok - Koh Samui | Wed, Jun 17 | Bangkok Airways
        $162
        31% off
        $236 $162
      • USM 6:55 PM
        1h 30m
        Nonstop
        BKK 8:25 PM
        Koh Samui - Bangkok | Tue, Jun 16 | Bangkok Airways
        BKK 6:05 AM
        1h 5m
        Nonstop
        USM 7:10 AM
        Bangkok - Koh Samui | Sat, Jun 20 | Bangkok Airways
        $162
        31% off
        $236 $162
      • USM 6:55 AM
        1h 30m
        Nonstop
        DMK 8:25 AM
        Koh Samui - Bangkok | Fri, Jun 12 | Bangkok Airways
        BKK 6:05 AM
        1h 5m
        Nonstop
        USM 7:10 AM
        Bangkok - Koh Samui | Sun, Jun 14 | Bangkok Airways
        $165
        30% off
        $236 $165
      • USM 7:50 AM
        1h 15m
        Nonstop
        BKK 9:05 AM
        Koh Samui - Bangkok | Sun, Jun 14 | Bangkok Airways
        BKK 6:05 AM
        1h 5m
        Nonstop
        USM 7:10 AM
        Bangkok - Koh Samui | Tue, Jun 16 | Bangkok Airways
        $170
        28% off
        $236 $170
      • USM 7:50 AM
        1h 15m
        Nonstop
        BKK 9:05 AM
        Koh Samui - Bangkok | Tue, May 12 | Bangkok Airways
        BKK 6:05 AM
        1h 5m
        Nonstop
        USM 7:10 AM
        Bangkok - Koh Samui | Sat, May 16 | Bangkok Airways
        $171
        28% off
        $236 $171
      • USM 6:00 AM
        1h 15m
        Nonstop
        BKK 7:15 AM
        Koh Samui - Bangkok | Mon, Jun 15 | Bangkok Airways
        BKK 6:05 AM
        1h 5m
        Nonstop
        USM 7:10 AM
        Bangkok - Koh Samui | Thu, Jun 18 | Bangkok Airways
        $172
        27% off
        $236 $172
      • USM 7:50 AM
        1h 15m
        Nonstop
        BKK 9:05 AM
        Koh Samui - Bangkok | Thu, May 21 | Bangkok Airways
        BKK 6:05 AM
        1h 5m
        Nonstop
        USM 7:10 AM
        Bangkok - Koh Samui | Sat, May 23 | Bangkok Airways
        $174
        26% off
        $236 $174
      • USM 1:00 PM
        17h 25m
        1 stop
        BKK Invalid Date
        Koh Samui - Bangkok | Sun, Apr 19 | Normal Airline
        BKK 3:00 PM
        6h
        Nonstop
        USM 4:00 PM
        Bangkok - Koh Samui | Tue, Apr 21 | Normal Airline
        Find more flights
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      • Cheapest nonstop
        USM 7:50 AM
        1h 15m
        Nonstop
        BKK 9:05 AM
        Koh Samui - Bangkok | Sat, May 9 | Bangkok Airways
        $74 $123
        40% off
        40% off
        $123 $74
      • USM 7:50 AM
        1h 15m
        Nonstop
        BKK 9:05 AM
        Koh Samui - Bangkok | Fri, May 22 | Bangkok Airways
        $83 $123
        33% off
        33% off
        $123 $83
      • USM 9:00 PM
        1h 30m
        Nonstop
        BKK 10:30 PM
        Koh Samui - Bangkok | Fri, Jun 12 | Bangkok Airways
        $88 $123
        28% off
        28% off
        $123 $88
      • USM 9:00 PM
        1h 30m
        Nonstop
        BKK 10:30 PM
        Koh Samui - Bangkok | Tue, Jun 9 | Bangkok Airways
        $89
        28% off
        $123 $89
      • USM 7:50 AM
        1h 15m
        Nonstop
        BKK 9:05 AM
        Koh Samui - Bangkok | Sun, Jun 14 | Bangkok Airways
        $89
        28% off
        $123 $89
      • USM 7:50 AM
        1h 15m
        Nonstop
        BKK 9:05 AM
        Koh Samui - Bangkok | Sat, Jun 13 | Bangkok Airways
        $89
        28% off
        $123 $89
      • USM 7:50 AM
        1h 15m
        Nonstop
        BKK 9:05 AM
        Koh Samui - Bangkok | Thu, Jun 11 | Bangkok Airways
        $90
        27% off
        $123 $90
      • USM 8:45 AM
        1h 15m
        Nonstop
        BKK 10:00 AM
        Koh Samui - Bangkok | Mon, Jun 15 | Bangkok Airways
        $90
        27% off
        $123 $90
      • USM 6:55 AM
        1h 30m
        Nonstop
        DMK 8:25 AM
        Koh Samui - Bangkok | Fri, May 29 | Bangkok Airways
        $90
        27% off
        $123 $90
      • USM 7:50 AM
        1h 15m
        Nonstop
        BKK 9:05 AM
        Koh Samui - Bangkok | Sat, May 30 | Bangkok Airways
        $91
        26% off
        $123 $91
      • USM 1:00 PM
        17h 25m
        1 stop
        BKK Invalid Date
        Koh Samui - Bangkok | Sun, Apr 19 | Normal Airline
        Find more flights
        Find more flights

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

Flight Info | Koh Samui to Bangkok

The distance between Koh Samui and Bangkok is approximately 467.57 km. It takes around 1 hour 18 minutes on average to fly from Koh Samui to Bangkok. Based on Trip.com's data travel demand peaks in January. The off-season for travel is November.

Cheapest one-way flight price$74
Cheapest round-trip ticket price$157
Off-season for travelNovember
Peak season for travelJanuary
Flight distance467.57 km
Average flight time1 hour 18 minutes
Popular airlineBangkok Airways
Flight statistics for the Koh Samui–Bangkok route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Koh Samui to Bangkok

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

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

Based on Trip.com’s data, the cheapest month for flights from Koh Samui to Bangkok is November, with an average price of $94; while the month with the highest flight price is usually August, with an average price of up to $147.

$147
$121
$94
$68
    Cheapest
  • $146
    Apr
  • $95
    May
  • $99
    Jun
  • $123
    Jul
  • $147
    Aug
  • $104
    Sep
  • $103
    Oct
  • $94
    Nov
  • $98
    Dec
  • $121
    Jan
  • $126
    Feb
  • $107
    Mar

What is the cheapest month for round-trip flights from Koh Samui to Bangkok?

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

According to historical data from Trip.com, the lowest prices for flights from Koh Samui to Bangkok are found during October, with an average price of $196. Conversely, the highest prices are found during February, with an average price of up to $364.

$364
$280
$196
$112
    Cheapest
  • $309
    Apr
  • $266
    May
  • $301
    Jun
  • $334
    Jul
  • $347
    Aug
  • $301
    Sep
  • $196
    Oct
  • $292
    Nov
  • $329
    Dec
  • $340
    Jan
  • $364
    Feb
  • $349
    Mar

Frequently Asked Questions

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

    Based on Trip.com data, Bangkok Airways offers one-way fares as low as $74 on Cheapest nonstop routes (e.g. USM to BKK on Sat, May 9), while Bangkok Airways offers Cheapest nonstop round-trips from $157 departing on Mon, Jun 8 and returning on Sat, Jun 13.
  • At the moment, you can catch a nonstop flight from Koh Samui to Bangkok 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 around 1 hour 18 minutes to fly from Koh Samui (USM) to Bangkok (BKK).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Koh Samui to Bangkok 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 200 flight per week flying from Koh Samui to Bangkok. You can check the weekly schedule for popular airlines on this route below: Bangkok Airways: S/M/T/W/T/F/S -- PG178 (21:38) Bangkok Airways: -/-/-/W/T/-/- -- PG1146 (15:34)
  • To find best deals on flights from Koh Samui to Bangkok, 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 Sat, May 9, with one-way flights priced at just $74.
    · 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 Bangkok travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Koh Samui to Bangkok is November, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Koh Samui to Bangkok on April 20, 2026 with Bangkok Airways, with prices starting at $85.
  • You can land at any one of the following hubs in Bangkok, with Samui Airport to Suvarnabhumi Airport (USM-BKK) is by far the most common option on this route: Suvarnabhumi Airport (BKK) Don Mueang International Airport (DMK).
  • The time difference between Bangkok and Koh Samui 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.

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

Bangkok is the capital city and also the tourism capital of Thailand. It is a cosmopolitan city with numerous tourist attractions and endless opportunities. Tourists will be thrilled with the myriad of attractions from modern-day malls to culturally significant architectural marvels. It is a commercial and cultural centre located on the Chao Phraya River delta, well connected by bridges and canals. Along the canals is a well connected floating market and as such, it has earned the name of “Venice of the East” notably due to its unique cultural traditions. It is one of the world’s most famous tourist destinations which also connects to other major tourist attractions in the country. There are several historical and architectural attractions besides the flourishing markets and shopping malls. It is one of the tourist-friendly cities in Asia and is surprisingly safe and well organized.

Tip: Tourists should be careful while riding tuk-tuks and gem shop scams around tourist attractions.

Getting to Bangkok

Suvarnabhumi Airport (BKK) is the main Bangkok airport. It is one of the busiest airports in the world handling both international flights and domestic flights that connects to other tourist attractions in the country. It is also one of the biggest airports that handle large volumes of flight services in a year. It is situated east of Bangkok, approximately 30 km away from the city centre. It is well connected with the city via trains, buses, and expressways. There are 7 Direct flights to Bangkok from Koh Samui with an average of 151 flights a week. It takes approximately 1hr 15 minutes from Koh Samui Airport to Bangkok averaging a distance of 208 miles on this trip. Bangkok Airways is one of the popular flights proving services along this route. It offers one of the best cheap flights from Koh Samui to Bangkok.

Tip: If you are planning in advance, look out for offers in-flight tickets by being flexible with your travel days for some extra savings.

Enjoy the Main Attractions in Bangkok

Nature lovers can explore the gorgeous Lumpini Park and enjoy the shade or take a boat ride on the lake with your family. Take a guided tour along with the fascinating ancient historical places in and around the city. Make a trip to the city’s most famous site in the Giant Swing. It is located adjacent to one of the oldest and beautiful Buddhist temple, for a blissful intimate experience. Explore the wonderful street market which is home to more than 15000 stalls. It is one of the world’s largest markets and hosts a variety of food vendors apart from local stalls selling almost everything. Also, experience the unique floating market which offers local delicacies and fresh fruits.

Tip: The street market takes around 1 hr 30mins to reach from Bangkok city; you can take a floating market tour from your hotel.

Dine, Shop and Stay in Bangkok

You will find high-end hotels in the Riverside area. Take a look at the budget hotels and stay-ins in the Khao San Road area which is located near some of the famous tourist attractions in Bangkok. It also hosts some of the best street food stalls in the city. Another major area that has numerous shopping attractions is Sukhumvit, which can be easily accessed via local trains.

Tip: While shopping and opting for taxi rides, be prepared to bargain.

Koh Samui to Bangkok flight booking can be done through Trip.com which offers the best discounts and daily flight information. Get the best seasonal offers and cheap Koh Samui to Bangkok flights by using our mobile app or through our website.

Explore the historical city of Bangkok with Trip.com and avail the best compliments and services all year round.

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

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.