Cheap Flights from Samui International to Bangkok

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Compare Samui International to Bangkok flight deals

Find the cheapest month or even day of the year to fly to Bangkok

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Flight deals from Samui International to Bangkok

Looking for a cheap last-minute deal or the best return flight from Samui International to Bangkok? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Samui International to Bangkok

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Samui International to Bangkok flights are currently cheapest in March.

Direct flights from Samui International to Bangkok

Alternative Samui International to Bangkok routes

Looking for the cheapest, fastest or easiest route from Samui International to Bangkok? You could fly into the following airports instead.

Koh Samui to Bangkok: Flight information

The things to know before you go.
Cheapest flight foundRs20,081
Cheapest month to flyMarch
Average flight time1 hr, 26 mins
Most popular airlineBangkok Airways
Average flights per week1,739

Finding cheap flights from Samui International to Bangkok: Frequently asked questions

There are 2 airports in Bangkok: Don Mueang and Bangkok Suvarnabhumi.
The best price we found for a return flight from Samui International to Bangkok is Rs37,836. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 26 minutes is the average flight time from Samui International to Bangkok.
Bangkok Airways, Qatar Airways and Thai Airways fly direct from Samui International to Bangkok.
As of May 2025, there are 1,739 flights per week flying from Samui International to Bangkok.
The cheapest month to fly from Samui International to Bangkok is usually May 2025.
If you're flying from Samui International Airport, the cheapest airport near Bangkok is Bangkok Suvarnabhumi – which is 28.5 km away from the centre of Bangkok. We've found flights into this airport from Rs37,836.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Samui International Airport to Bangkok on Friday, 5 September 2025.
Yes – the average flight time is 1 hour and 26 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Bangkok but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bangkok is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 30°C. April is typically the warmest month in Bangkok, when it usually averages around 35°C. You can expect the least rain in December. The coldest month is November, with temperatures averaging 22°C. The rainiest month is September.
Currently, Bangkok Airways offers the cheapest flight tickets to Bangkok.

Flying from Koh Samui Airport (USM) to Bangkok: what you need to know

  • Around 1 hour 11 minutes is how long you can expect to be in the air on a direct flight from Koh Samui Airport to Bangkok.

  • Bangkok and Thailand (where Koh Samui Airport is located) share the UTC+7 timezone. That means you won't need to change your watch once you land.

  • Koh Samui Airport (USM) to Suvarnabhumi Airport (BKK) is the most traveled route, with 378 weekly flights to pick from. If you prefer a later start to the day, the last flight from USM to BKK is with Bangkok Airways at 21:30. Opt for the first departure with Bangkok Airways at 07:00 if you want to get on your way earlier.

  • To ensure you catch your flight from USM to Bangkok, allow plenty of time to navigate the airport and find your gate. Arriving two hours before international departures and an hour before domestic flights is the general travel rule.

  • Flying during a peak time such as August? School holidays and other high seasons can lead to longer lines and delays at security. Play things extra safe and get there up to four hours before an international flight and two hours before a domestic departure.

  • You can catch a direct flight from Koh Samui Airport to Bangkok that arrives at Suvarnabhumi Airport (BKK).

  • Book your seat with Bangkok Airways. This well-known carrier offers direct flights from Koh Samui Airport to Bangkok.

  • You don't need a visa or passport to travel within Thailand. You will need a valid form of identification though, like an ID card or driver's licence. Add them to your packing checklist once you've booked cheap tickets from Koh Samui Airport to Bangkok.

  • Searching for a handy hotel near USM? If you've booked an early flight from Koh Samui Airport to Bangkok, these accommodation options will put you moments from check-in:

How to find the cheapest flights from Koh Samui Airport (USM) to Bangkok

  • Rs20,081 is the cheapest price we've found for a one-way ticket from Koh Samui Airport to Bangkok. For a return flight on this route, the best price is Rs37,836. Depending on the availability and when you book, these fares can change.

  • To secure cheap tickets from USM to Bangkok, book your trip 3 months ahead of the departure date.

  • Schedule your trip for November. That's the cheapest month for tickets from Koh Samui Airport to Bangkok. If you have flexibility with your dates, use the 'Whole month' tool to see the lowest price across every month.

  • Create a Price Alert for flight tickets from USM to Bangkok. There's no need to check back in every day to see whether prices have fallen. We'll tell you as soon as the price changes.

  • Make the most of the filters to find your ideal journey. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Koh Samui Airport to Bangkok, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and number of stops.

Airports in Bangkok

Suvarnabhumi Airport (BKK)

  • Suvarnabhumi Airport (BKK) to central Bangkok is around 35 minutes by car. It's approximately 32 kilometres away.

  • It'll take around 1 hour and 6 minutes to get there using public transport.

  • Book a hotel close to BKK if you have a late flight from Koh Samui Airport to Bangkok. Check in to one of these accommodation options and skip the long transfer:

Don Mueang International Airport (DMK)

  • After your flight from Koh Samui Airport to Bangkok has hit the tarmac, you can reach the city centre in about 30 minutes by car. Central Bangkok is approximately 27 kilometres from Don Mueang International Airport (DMK).

  • You can also travel using public transport, which will take about 1 hour and 5 minutes.

  • You'll find some great places to call home for the night near DMK. Settle in and get cosy after your flight from USM to Bangkok at one of these perfectly located options:

Best time to go to Bangkok

  • July is the busiest month for flights from Koh Samui Airport to Bangkok. To escape the crowds, travel to Bangkok in April when it's quieter.

  • The warmest month in Bangkok is April, with the temperature ranging between 26ºC and 37ºC. Lock in your flights from Koh Samui Airport to Bangkok in this month if you enjoy this type of weather.

  • December sees average temperatures of between 19ºC and 33ºC. Search for cheap flights from USM to Bangkok around that time if you want to travel when it's cooler.

More about Bangkok

  • Start your Bangkok trip off on the right foot by choosing the ideal place to stay. After booking your flight from Koh Samui Airport to Bangkok, check out our range of accommodation options including:

  • Grand Palace and Wat Arun are a couple of leading attractions to add to your Bangkok itinerary. Keep the momentum going by heading to Wat Phra Kaew.

Complete your Bangkok trip with a car rental

  • Finding you a cheap flight from Koh Samui Airport to Bangkok isn't our only cool trick. Check out our car rentals in Bangkok and explore the city on your own terms. We search for deals from trusted car rental companies and put them all in one place. Instantly compare rates and then book with no fees.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.