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Flights from Koh Samui to Bangkok

Airlines operating flights from Koh Samui to Bangkok

Choose from 1 airlines flying from Koh Samui to Bangkok, including Bangkok Airways, and . Bangkok Airways currently offers the cheapest ticket 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.

Find the cheapest direct flight options from Koh Samui to Bangkok over the next three months. Book one-way tickets from £97 and round-trip tickets from £123.

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 details for Koh Samui to Bangkok

The distance between Koh Samui and Bangkok is 467.57km. 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£97
Cheapest return ticket price£123
Off-season travel monthNovember
Peak season for travelJanuary
Flight distance467.57km
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

What is the cheapest month for one-way flights from Koh Samui to Bangkok?

The average one way ticket price paid by Trip.com users from Koh Samui to Bangkok in each month over the past 12 months.

Based on Trip.com data, the cheapest month to fly from Koh Samui to Bangkok is May, with an average price of £59. The most expensive month is usually August, with average prices reaching £111.

£111
£85
£59
£33
    Cheapest
  • £79
    Jun
  • £92
    Jul
  • £111
    Aug
  • £78
    Sep
  • £78
    Oct
  • £71
    Nov
  • £74
    Dec
  • £91
    Jan
  • £95
    Feb
  • £80
    Mar
  • £63
    Apr
  • £59
    May

What is the cheapest month for return flights from Koh Samui to Bangkok?

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

Based on Trip.com's historical data, October is often the cheapest month for fly from Koh Samui to Bangkok, with an average price of £148. February is usually the most expensive period, with prices averaging as high as £274.

£274
£211
£148
£85
    Cheapest
  • £234
    Jun
  • £251
    Jul
  • £261
    Aug
  • £227
    Sep
  • £148
    Oct
  • £220
    Nov
  • £248
    Dec
  • £256
    Jan
  • £274
    Feb
  • £263
    Mar
  • £220
    Apr
  • £196
    May

Flight FAQs

  • Which airlines offer the cheapest flights from Koh Samui (USM) to Bangkok (BKK)?

    Based on Trip.com data, Bangkok Airways offers one-way fares as low as £97 on Cheapest nonstop routes (e.g. USM to BKK on Mon, Jun 22), while Bangkok Airways offers Cheapest nonstop round-trips from £123 departing on Tue, Jun 16 and returning on Thu, Jun 18.
  • At the moment, you can catch a direct 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 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 161 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 -- PG144 (14:02)
  • 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 Mon, Jun 22, with one-way flights priced at just £97.
    · 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 June flight calendar, it's currently cheapest to fly from Koh Samui to Bangkok on June 22, 2026 with Bangkok Airways, with prices starting at £63.
  • 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 cancelled 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 Koh Samui to Bangkok

If you don't want to splash out on full-price airfares for flights Koh Samui to Bangkok, then let Trip.com find the best-priced ticket on the market instead. It will consider all your requirements, e.g., seat class, flight duration or airline, and unearth the perfect flight deals for your trip. 

How to search for cheap flights Koh Samui to Bangkok?

Various factors can dramatically affect the price of your flight, such as the time/date of the flight, seat type, flight duration and airlines. Finding the right combo of these facts can save you a bundle on airfare. Give these travel insider tips when buying your next airline tickets. First, when possible, avoid travelling during the peak season, as flight prices could double or triple. The off-peak season for flights Koh Samui to Bangkok is in September (and the high season is in April). Second, different days of the week tend to have different prices. For example, according to Trip.com data, the lowest flight prices are often around midweek or the weekends for business class seats. 

About Airport

-Airports providing direct flights from Koh Samui

There is only one international airport serving Koh Samui and its surrounding region, Samui International Airport (USM).

-Airport in Bangkok

Direct flights Koh Samui to Bangkok only land in one airport in Bangkok, Suvarnabhumi Airport (BKK).

-How to get to airport in Koh Samui

When flying out of Koh Samui's Samui International Airport (USM), travellers can transfer from the city centre to the airport by taxi or shared van. 

TransportationDurationPrice (one-way)
Taxi15-45 minsApprox. £12.20 (475 THB)
Shared Van10-40 minsApprox. £3 (130 THB)

-Airports and terminal information in Koh Samui

Samui International Airport (USM) is located only 2 km north of Chaweng, the main city on the island of Koh Samui. The airport is privately owned and built by Bangkok Airways in 1989. As Koh Samui is a popular tourist destination, the USM is the 7th busiest airport in Thailand. There are six terminal buildings, with 4 terminals handling domestic flights and two for international flights.

-How to get to downtown from the airport in Bangkok?

Passengers arriving in Bangkok from flights Koh Samui to Bangkok can transfer from Suvarnabhumi Airport (BKK) to the city centre in a number of ways.

TransportationDurationPrice (one-way)
Taxi32 minsApprox. £5.60
Airport Rail Link City Train30 minsApprox. £0.85-1.05
Local Bus60 minsApprox. £1.40

Airport taxis can be found in the Arrival area's Level 1, outside of doors No 4 to 6. If you are taking a taxi, please note that additional costs may be added to your end fare if you travel during peak times or use the toll road - Sirat Expressway costing £1.75 (75THB). The Main Bus Terminal, also called Suvarnabhumi Public Transport Center, is located northeast of the airport. For the Airport Rail Link City Train option, you can either get off at Phayathai station for the BTS Skytrain or disembark at Makkasan station for the MRT subway.

-Airport and terminal information in Bangkok

While Bangkok has two main international airports, direct flights Koh Samui to Bangkok only land at Suvarnabhumi Airport (BKK). Located approx. 25 km or 16 miles from Bangkok city centre, Suvarnabhumi Airport is also called Bangkok Airport. In addition to being one of the largest international airports in Southeast Asia, the BKK also is an important Cargo Air Freight Hub. With 3 terminals, the BKK's T1 and T2 handle mainly international flights, while T3 is where domestic flights are located. Suvarnabhumi Airport has excellent ground transportation links, including regional trains, buses, taxis and Airport Rail Link.

About Airlines

-Which airlines providing the route?

There are hundreds of flights Koh Samui to Bangkok each week, Bangkok Airways is the most popular and only airline that operates direct flights for this route. It has over 57 non-stop flights Koh Samui to Bangkok a week. Several airlines also provide connecting flights Koh Samui to Bangkok, such as Thai AirAsia and Thai Lion Air.

-Fastest direct flight

On average, Bangkok Airways offers around 13 daily direct flights Koh Samui to Bangkok. Most flights have the shortest duration of 1 hour 15 minutes. Bangkok Airways operates multiple direct flights daily with a flight time of 1 hour 35 minutes.

-Cheapest flight

According to Trip.com, the lowest price for flights Koh Samui to Bangkok direct is around £49; flights Koh Samui to Bangkok return can be purchased for about £101. 

-Flight duration and distance

The average flight time is 1 hour 19 minutes from Koh Samui to Bangkok. The shortest duration is 1 hour 15 minutes, and the longest duration for direct flights Koh Samui to Bangkok is 1 hour 35 minutes. The air travel distance between Koh Samui and Bangkok is 470.99 km or 292.66 miles.

-Earliest and latest flights

The earliest flight departs from Koh Samui (USM) at 07:00 and arrives in Bangkok (BKK) at 08:15. The latest flight departs from Koh Samui (USM) at 21:00 and arrives in Bangkok (BKK) at 22:15.

About Bangkok

-Tourist attractions in Bangkok

Bangkok is the capital of Thailand and one of the largest metropolitan cities in Asia. Situated near the Gulf of Thailand, Bangkok has many waterways and the Chao Phraya River flowing through it. There's no shortage of magnificent imperial palaces and sacred temples in the city, such as the Grand Palace, Wat Phra Kaew, Wat Pho or Temple of the Reclining Buddha and Wat Arun or Temple of the Dawn. If wandering the busy and vibrant markets of Bangkok is at the top of your list, consider spending a day in souvenir shopping at Chatuchak Market; be amazed by the produce on offer at the Damnoen Saduak Floating Market; and sample local delicacies at street food stalls dotted all around town. Other exciting and must-try experiences in Bangkok include taking a memorable sunset river cruise on the Chao Phraya River; exploring one of the world's largest Chinatowns – Bangkok Chinatown; travelling like a local by riding the Skytrain; and taking a lesson in Thailand's national martial art, Muay Thai.

-Popular hotels in Bangkok

Is it your first time in Bangkok, and you're unsure where to stay? Check out Trip.com's Best Hotels on Bangkok and Top 10 Best Luxury Hotels in Bangkok recommendations for the most popular hotels in the city. In addition, the best neighbourhoods to stay for tourists in Bangkok include Siam Square for people who love to shop, Bangkok Old Town for exploring on foot and Khao San Road for budget travellers. 

-Best time to visit Bangkok

For most of the year, Bangkok is hot and sunny, with November to March being the most pleasant as the heat and humidity are at their lowest. Having a tropical monsoon climate means Bangkok does have a rainy season from May to October. So, if you don't like the rain, avoid September and October, as they're Bangkok's rainiest months.

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

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, 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 have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check 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 according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed 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 visit the customer support pages.