Cheap Flights from Samui International to Bangkok

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 round-trip flight from Samui International Airport to Bangkok? If you want to travel next month, round-trip fares start from AED 612. Find the lowest prices on one-way and round-trip 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 April.

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 foundAED 314
Cheapest month to flyApril
Average flight time1 hr, 26 mins
Most popular airlineBangkok Airways
Average flights per week1,814

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 round-trip flight from Samui International to Bangkok is AED 612. 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, Thai Airways and EVA Air fly direct from Samui International to Bangkok.
There are 1,814 flights per week flying from Samui International to Bangkok, as of April 2026.
The cheapest month to fly from Samui International to Bangkok is usually May.
If you're flying from Samui International Airport, the cheapest airport near Bangkok is Bangkok Suvarnabhumi – which is 28.5 km away from the center of Bangkok. We've found flights to this airport from AED 612.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Samui International Airport to Bangkok on Thursday, May 21, 2026.
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 April, the average temperature is usually around 31°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.

Traveling from Ko Samui International Airport (USM) to Bangkok: what you need to know

  • Hop on a direct flight from Ko Samui International Airport to Bangkok and you'll be traveling for around 1 hour 15 minutes.

  • Bangkok's timezone is UTC+7, which is the same as Koh Samui (the location of Ko Samui International Airport).

  • The most popular route is from Ko Samui International Airport (USM) to Bangkok Suvarnabhumi International Airport (BKK). Take your pick of 202 services every week between these two airports. If you'd like to get on your way as soon as possible, the earliest flight from USM to BKK is the 07:00 Bangkok Airways service. If you prefer to travel later, the last departure is at 21:30 with Bangkok Airways.

  • To avoid missing your USM to Bangkok flight, leave enough time to navigate the airport and find your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • During popular months such as November, it's wise to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead for an international flight whenever you're traveling during peak periods in general.

  • You can book a direct Ko Samui International Airport to Bangkok ticket. Start your journey at USM and land at Bangkok Suvarnabhumi International Airport (BKK).

  • Bangkok Airways is a popular airline that offers direct flights from Ko Samui International Airport to Bangkok.

  • Located around 3 kilometers from central Koh Samui, USM can be reached in about 20 minutes by car, depending on traffic. The journey on public transport will take roughly 30 minutes.

  • Searching for a hotel close to USM? If you're boarding an early flight from Ko Samui International Airport to Bangkok, these accommodation options put the terminal practically at your doorstep:

  • 83% of flights departing from Ko Samui International Airport touch down at their destination on schedule. Given its strong on-time stats, you're unlikely to be delayed when flying out of USM.

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

  • AED 314 is the lowest price we've seen for a one-way Ko Samui International Airport to Bangkok flight. A round-trip plane ticket right now is AED 612. Depending on when you book and the availability, these fares can change.

  • Get cheap flights from USM to Bangkok by booking six months ahead. According to our research, that's the best time for picking up a bargain.

  • November is the best month for nabbing a fantastic deal on Ko Samui International Airport to Bangkok tickets. If you're looking to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • There's no need to check back constantly to see if fares have dropped when you create a Price Alert. We'll update you when there's an even bigger deal on cheap flights from USM to Bangkok.

  • Save on your flight from Ko Samui International Airport to Bangkok with the help of our filters. Select your preferred times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

Airports in Bangkok

Bangkok Suvarnabhumi International Airport (BKK)

  • Bangkok Suvarnabhumi International Airport (BKK) to the center of Bangkok takes about 35 minutes to reach by car. The center is roughly 31 kilometers away.

  • It takes around 35 minutes if you're traveling on public transport.

  • Look into staying at a hotel near BKK if you have a late flight from Ko Samui International Airport to Bangkok. Settle into one of these options and make your first night all about catching up on rest:

  • To secure the lowest price, book your ride from Bangkok Suvarnabhumi International Airport about four weeks in advance of your flight from USM to Bangkok.

Bangkok Don Mueang International Airport (DMK)

  • Bangkok Don Mueang International Airport (DMK) is about 24 kilometers from central Bangkok. Following your flight from Ko Samui International Airport to Bangkok, it'll take you around 35 minutes to reach the heart of the city in a ride-share or cab.

  • If you travel by public transport, the ride to the center will take you 1 hour 5 minutes or so.

  • After stepping off your USM to Bangkok flight, tuck yourself in at a hotel near DMK. These are some great accommodation options that'll help you switch to relaxation mode:

  • Get the lowest price by booking your ride from DMK three weeks in advance. You'll also have access to a wider range of vehicles.

Best time to go to Bangkok

  • May is the quietest month for flights from Ko Samui International Airport to Bangkok, while February is the most popular. Find the best time to visit Bangkok based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • When booking your Ko Samui International Airport to Bangkok plane ticket, think about the kind of weather forecast you're hoping for. April is the warmest month in Bangkok, with temperatures ranging from 26ºC (79ºF) to 37ºC (99ºF).

  • If you like cooler conditions, search for a cheap ticket from USM to Bangkok in January when temperatures average between 19ºC (66ºF) and 34ºC (93ºF).

More about Bangkok

  • When it comes to searching for somewhere to lay your head, you'll find the best places to stay in Bangkok right here. Browse these hotels after locking in your flight from Ko Samui International Airport to Bangkok:

  • There are so many things to explore in this city it can be hard to work out where to begin. Wat Phra Kaew, Grand Palace and Songkran Festival Silom are top attractions which should be on any good Bangkok itinerary.

Explore more of Thailand

  • You've seen Bangkok, now it's time to discover more of Thailand. Journey about 467 kilometers northeast to Udon Thani to check off its top attractions. From Thai-Chinese Cultural Center to Wat Pho Chai and Wat Burapa Wanaram, there's plenty to keep you busy.

  • Nakhon Ratchasima is another sought-after destination in Thailand and is around 225 kilometers northeast of Bangkok. No trip is complete without visiting Night Safari Korat, Wat Chai Mongkol and Wat Na Pha That.

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