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Flights from Koh Samui to Bangkok

Search for direct flights from Koh Samui to Bangkok in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$83, and round-trip direct flights start at US$171.

      • Cheapest nonstop
        USM 07:50
        1h 15m
        Nonstop
        BKK 09:05
        Koh Samui - Bangkok | Tue, Jun 9 | Bangkok Airways
        BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Mon, Jun 15 | Bangkok Airways
        US$171 US$240
        28% off
        28% off
        US$240 US$171
      • USM 07:50
        1h 15m
        Nonstop
        BKK 09:05
        Koh Samui - Bangkok | Fri, Jun 12 | Bangkok Airways
        BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Wed, Jun 17 | Bangkok Airways
        US$171 US$240
        28% off
        28% off
        US$240 US$171
      • USM 07:50
        1h 15m
        Nonstop
        BKK 09:05
        Koh Samui - Bangkok | Thu, Jun 18 | Bangkok Airways
        BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Wed, Jun 24 | Bangkok Airways
        US$171 US$240
        28% off
        28% off
        US$240 US$171
      • USM 07:50
        1h 15m
        Nonstop
        BKK 09:05
        Koh Samui - Bangkok | Sun, Jun 21 | Bangkok Airways
        BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Tue, Jun 23 | Bangkok Airways
        US$171
        28% off
        US$240 US$171
      • USM 07:50
        1h 15m
        Nonstop
        BKK 09:05
        Koh Samui - Bangkok | Wed, Jun 10 | Bangkok Airways
        BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Tue, Jun 16 | Bangkok Airways
        US$172
        28% off
        US$240 US$172
      • USM 06:00
        1h 15m
        Nonstop
        BKK 07:15
        Koh Samui - Bangkok | Thu, Jun 11 | Bangkok Airways
        BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Mon, Jun 15 | Bangkok Airways
        US$181
        25% off
        US$240 US$181
      • USM 06:00
        1h 15m
        Nonstop
        BKK 07:15
        Koh Samui - Bangkok | Tue, Jun 16 | Bangkok Airways
        BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Tue, Jun 23 | Bangkok Airways
        US$181
        25% off
        US$240 US$181
      • USM 07:55
        1h 30m
        Nonstop
        DMK 09:25
        Koh Samui - Bangkok | Sun, Jun 14 | Bangkok Airways
        BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Wed, Jun 17 | Bangkok Airways
        US$196
        18% off
        US$240 US$196
      • USM 06:00
        1h 15m
        Nonstop
        BKK 07:15
        Koh Samui - Bangkok | Wed, Jun 17 | Bangkok Airways
        BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Tue, Jun 23 | Bangkok Airways
        US$196
        18% off
        US$240 US$196
      • USM 06:00
        1h 15m
        Nonstop
        BKK 07:15
        Koh Samui - Bangkok | Mon, Jun 15 | Bangkok Airways
        BKK 06:05
        1h 5m
        Nonstop
        USM 07:10
        Bangkok - Koh Samui | Wed, Jun 17 | Bangkok Airways
        US$196
        18% off
        US$240 US$196
      • USM 13:00
        17h 25m
        1 stop
        BKK 14:00
        Koh Samui - Bangkok | Fri, May 22 | Normal Airline
        BKK 15:00
        6h
        Nonstop
        USM 16:00
        Bangkok - Koh Samui | Sun, May 24 | Normal Airline
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      • Cheapest nonstop
        USM 07:50
        1h 15m
        Nonstop
        BKK 09:05
        Koh Samui - Bangkok | Thu, Jul 9 | Bangkok Airways
        US$83 US$141
        41% off
        41% off
        US$141 US$83
      • USM 07:50
        1h 15m
        Nonstop
        BKK 09:05
        Koh Samui - Bangkok | Thu, May 21 | Bangkok Airways
        US$89 US$141
        37% off
        37% off
        US$141 US$89
      • USM 07:50
        1h 15m
        Nonstop
        BKK 09:05
        Koh Samui - Bangkok | Tue, Jun 9 | Bangkok Airways
        US$90 US$141
        36% off
        36% off
        US$141 US$90
      • USM 07:50
        1h 15m
        Nonstop
        BKK 09:05
        Koh Samui - Bangkok | Fri, Jun 12 | Bangkok Airways
        US$90
        36% off
        US$141 US$90
      • USM 07:50
        1h 15m
        Nonstop
        BKK 09:05
        Koh Samui - Bangkok | Sun, Jun 21 | Bangkok Airways
        US$90
        36% off
        US$141 US$90
      • USM 10:05
        1h 15m
        Nonstop
        BKK 11:20
        Koh Samui - Bangkok | Mon, May 25 | Bangkok Airways
        US$90
        36% off
        US$141 US$90
      • USM 07:50
        1h 15m
        Nonstop
        BKK 09:05
        Koh Samui - Bangkok | Tue, Jun 16 | Bangkok Airways
        US$91
        35% off
        US$141 US$91
      • USM 06:00
        1h 15m
        Nonstop
        BKK 07:15
        Koh Samui - Bangkok | Wed, Jun 10 | Bangkok Airways
        US$101
        28% off
        US$141 US$101
      • USM 06:00
        1h 15m
        Nonstop
        BKK 07:15
        Koh Samui - Bangkok | Thu, Jun 11 | Bangkok Airways
        US$101
        28% off
        US$141 US$101
      • USM 07:55
        1h 30m
        Nonstop
        DMK 09:25
        Koh Samui - Bangkok | Sun, Jun 14 | Bangkok Airways
        US$115
        18% off
        US$141 US$115
      • USM 13:00
        17h 25m
        1 stop
        BKK 14:00
        Koh Samui - Bangkok | Fri, May 22 | Normal Airline
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        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.

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

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

Average monthly one-way flight prices from to Bangkok, based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from to Bangkok is April, with an average price of US$83; while the month with the highest flight price is usually August, with an average price of up to US$148.

US$148
US$116
US$83
US$51
    Cheapest
  • US$117
    May
  • US$99
    Jun
  • US$123
    Jul
  • US$148
    Aug
  • US$104
    Sep
  • US$103
    Oct
  • US$94
    Nov
  • US$98
    Dec
  • US$121
    Jan
  • US$126
    Feb
  • US$107
    Mar
  • US$83
    Apr

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

The average price of round-trip flights from to Bangkok 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 to Bangkok are found during October, with an average price of US$197. Conversely, the highest prices are found during February, with an average price of up to US$364.

US$364
US$281
US$197
US$114
    Cheapest
  • US$257
    May
  • US$301
    Jun
  • US$334
    Jul
  • US$347
    Aug
  • US$302
    Sep
  • US$197
    Oct
  • US$293
    Nov
  • US$330
    Dec
  • US$341
    Jan
  • US$364
    Feb
  • US$350
    Mar
  • US$292
    Apr

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 US$83 on Cheapest nonstop routes (e.g. USM to BKK on Thu, Jul 9), while Bangkok Airways offers Cheapest nonstop round-trips from US$171 departing on Tue, Jun 9 and returning on Mon, Jun 15.
  • 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 about 1 hour 19 minutes to fly from Koh Samui to Bangkok.
  • 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 5 flight per week flying from Koh Samui to Bangkok. You can check the weekly schedule for popular airlines on this route below: Bangkok Airways: -/M/-/W/-/F/- -- PG142 (13:57)
  • 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 Thu, Jul 9, with one-way flights priced at just US$83.
    · 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 May flight calendar, it's currently cheapest to fly from Koh Samui to Bangkok on May 31, 2026 with Bangkok Airways, with prices starting at US$79.
  • 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 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.