BKK - USM

C$ 106 Find Cheap Flights from Bangkok to Ko Samui – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 220
Typical prices: C$ 269-C$ 450
Bangkok Airways
Tue 27/2Sat 31/3
BKK - USM • Direct
Cheapest one-way flights
C$ 109
Typical prices: C$ 169-C$ 244
Bangkok Airways
Sun 25/11
BKK - USM • Direct
Direct flights
You can fly direct with Bangkok Airways. Average duration is 1h 18m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 80% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 25 weeks in advance save around 41% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 26% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 412 (round-trip)
Shortest trip • 4h 18m (one-way)
Insights
Insights
Start a new search
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We hope you enjoy your trip to Ko Samui!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Bangkok to Ko Samui (BKK-USM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Bangkok to Ko Samui

Sat, 27 Feb - Wed, 31 Mar
Bangkok Airways Logo
6:00 a.m. - 7:10 a.m.BKK  Bangkok Suvarnabhumi-USM Ko Samui
1h 10mdirect
Bangkok Airways Logo
7:50 a.m. - 9:05 a.m.USM  Ko Samui-BKK Bangkok Suvarnabhumi
1h 15mdirect
C$ 220Bangkok Airways
2 days ago
Thu, 5 Nov - Thu, 12 Nov
Bangkok Airways Logo
6:00 a.m. - 7:10 a.m.BKK  Bangkok Suvarnabhumi-USM Ko Samui
1h 10mdirect
Bangkok Airways Logo
7:00 a.m. - 8:15 a.m.USM  Ko Samui-BKK Bangkok Suvarnabhumi
1h 15mdirect
C$ 230Bangkok Airways
13 hours ago
Tue, 9 Mar - Sun, 21 Mar
Bangkok Airways Logo
6:00 a.m. - 7:10 a.m.BKK  Bangkok Suvarnabhumi-USM Ko Samui
1h 10mdirect
Bangkok Airways Logo
7:00 a.m. - 8:15 a.m.USM  Ko Samui-BKK Bangkok Suvarnabhumi
1h 15mdirect
C$ 230Bangkok Airways
1 day ago
Thu, 5 Nov - Thu, 12 Nov
Bangkok Airways Logo
6:00 a.m. - 7:10 a.m.BKK  Bangkok Suvarnabhumi-USM Ko Samui
1h 10mdirect
Bangkok Airways Logo
9:10 p.m. - 10:45 p.m.USM  Ko Samui-BKK Bangkok Suvarnabhumi
1h 35mdirect
C$ 230Bangkok Airways
1 day ago
Thu, 15 Apr - Mon, 26 Apr
Bangkok Airways Logo
4:40 p.m. - 5:45 p.m.BKK  Bangkok Suvarnabhumi-USM Ko Samui
1h 05mdirect
Bangkok Airways Logo
7:50 a.m. - 9:05 a.m.USM  Ko Samui-BKK Bangkok Suvarnabhumi
1h 15mdirect
C$ 230Bangkok Airways
13 hours ago
Mon, 5 Apr - Sat, 10 Apr
Bangkok Airways Logo
6:05 a.m. - 7:10 a.m.BKK  Bangkok Suvarnabhumi-USM Ko Samui
1h 05mdirect
Bangkok Airways Logo
7:50 a.m. - 9:05 a.m.USM  Ko Samui-BKK Bangkok Suvarnabhumi
1h 15mdirect
C$ 230Bangkok Airways
1 day ago
Wed, 25 Nov - Wed, 9 Dec
Multiple Airlines Logo
6:00 a.m. - 7:10 a.m.BKK  Bangkok Suvarnabhumi-USM Ko Samui
1h 10mdirect
Multiple Airlines Logo
6:15 p.m. - 10:35 p.m.USM  Ko Samui-BKK Bangkok Suvarnabhumi
4h 20m1 stop Phuket City
C$ 380Multiple Airlines
16 hours ago
Wed, 17 Mar - Sat, 20 Mar
Multiple Airlines Logo
7:00 a.m. - 2:30 p.m.BKK  Bangkok Suvarnabhumi-USM Ko Samui
7h 30m1 stop Krabi
Multiple Airlines Logo
7:00 a.m. - 8:15 a.m.USM  Ko Samui-BKK Bangkok Suvarnabhumi
1h 15mdirect
C$ 381Multiple Airlines
3+ days ago
Wed, 6 Jan - Wed, 13 Jan
Multiple Airlines Logo
7:00 a.m. - 7:10 p.m.BKK  Bangkok Suvarnabhumi-USM Ko Samui
12h 10m1 stop Krabi
Multiple Airlines Logo
12:25 p.m. - 10:10 p.m.USM  Ko Samui-BKK Bangkok Suvarnabhumi
9h 45m1 stop Krabi
C$ 501Multiple Airlines
2 days ago
Sun, 22 Nov - Sun, 29 Nov
Multiple Airlines Logo
7:45 a.m. - 6:25 p.m.BKK  Bangkok Suvarnabhumi-USM Ko Samui
10h 40m1 stop Phuket City
Multiple Airlines Logo
8:15 a.m. - 10:35 p.m.USM  Ko Samui-BKK Bangkok Suvarnabhumi
14h 20m1 stop Phuket City
C$ 518Multiple Airlines
1 day ago
Booking Insights

Price, demand, and travel trends for Bangkok Suvarnabhumi Airport to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Bangkok Suvarnabhumi Airport to Ko Samui?

Round-trip flights from Bangkok Suvarnabhumi Airport to Ko Samui typically range from C$ 269 to C$ 450. The lowest price found in the past 5 days was C$ 220, on Bangkok Airways.

What's the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to Ko Samui?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Bangkok Suvarnabhumi Airport to Ko Samui. It's 4% cheaper than the average day, while Saturday is the most expensive, with prices 4% higher.

What is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Ko Samui?

•May is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Ko Samui at C$ 269 round-trip.
•February (C$ 436) and December (C$ 416) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 61% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Bangkok Suvarnabhumi Airport to Ko Samui the cheapest?

Flights from Bangkok Suvarnabhumi Airport to Ko Samui are cheapest 25 weeks before departure. Booking in this window typically costs about 41% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Bangkok Suvarnabhumi Airport to Ko Samui flights

Low season

October

Cheapest flight

C$ 109
Beat the crowds with an average 49% drop in traveller numbers.
The most popular month to fly with an average 42% increase in traveller numbers.
One-way flight from Bangkok Suvarnabhumi Airport to Ko Samui

When to book flights from Bangkok to Ko Samui

Are your dates flexible? Find out the best times to travel from Bangkok to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Bangkok Suvarnabhumi Airport to Ko Samui flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Bangkok Suvarnabhumi Airport to Ko Samui?

    These are the earliest and latest flight times available from Bangkok Suvarnabhumi Airport to Ko Samui:

    • Earliest: departs at 5:50 am and lands at 7:08 am
    • Latest: departs at 7:45 pm and lands at 9:03 pm.

    The flight takes about 1h 18m.

  • Which cabin classes can I book on flights from Bangkok Suvarnabhumi Airport to Ko Samui?

    Two cabin classes are available on flights from Bangkok Suvarnabhumi Airport to Ko Samui:

    • Economy Class
    • Business Class

  • How long does a flight from Bangkok Suvarnabhumi Airport to Ko Samui take?

    A direct flight from Bangkok Suvarnabhumi Airport to Ko Samui takes 1h 18m, covering 751 km.

  • Do I need a passport to fly from Bangkok Suvarnabhumi Airport to Ko Samui?

    No, a passport is not required for this domestic route, but you will need another form of identification, such as a driver's licence.

  • How much should I expect to pay for a Bangkok Suvarnabhumi Airport to Ko Samui flight?

    Round-trip flights from Bangkok Suvarnabhumi Airport to Ko Samui range from C$ 269 to C$ 450, with an average of C$ 362 over the past 12 months. Anything below C$ 269 counts as a good deal.

  • How expensive are last-minute Bangkok Suvarnabhumi Airport to Ko Samui flights?

    Last-minute fares on this route (booked within two weeks of departure) run 24% above the C$ 362 route average. Book 25 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Bangkok Suvarnabhumi Airport to Ko Samui?

    On this route, direct flights are cheaper than layover options on average. Direct fares average C$ 360 round-trip, compared to C$ 412 via a layover through Krabi (KBV).

  • How does on-time performance compare across airlines flying from Bangkok Suvarnabhumi Airport to Ko Samui?

    Bangkok Airways is the only airline operating Bangkok Suvarnabhumi Airport to Ko Samui flights. 80% of its flights are on time.

  • What is the standard checked bag allowance on flights from Bangkok Suvarnabhumi Airport to Ko Samui?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 22–C$ 140 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Bangkok Suvarnabhumi Airport to Ko Samui?

    The Airbus A319 family is used most often on this route, operated mainly by Bangkok Airways and Thai Airways. Other aircraft seen on the route include ATR 42 / ATR 72 variants.

  • How are flight departures from Bangkok Suvarnabhumi Airport to Ko Samui spread across the day?

    Morning is the busiest departure period on Bangkok Suvarnabhumi Airport to Ko Samui flights, with 59% leaving in that window. Afternoon departures account for 29%, Evening flights for 12%, and Night flights for 0%.

  • How are flight prices from Bangkok Suvarnabhumi Airport to Ko Samui looking right now?

    One-way fares from Bangkok Suvarnabhumi Airport to Ko Samui are currently lower than usual. Average one-way flight prices are about C$ 131, which is 42% below the typical average for this route.

  • What car rental options are available at Ko Samui Airport (USM)?

    Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around C$ 18 for economy cars. Top options include:

    • Drive Car Rental
    • Alamo
    • Sixt
    • Enterprise Rent-A-Car
    • Thai Rent

  • Which airports can I use when flying from Bangkok Suvarnabhumi Airport to Ko Samui?

    Flights from Bangkok Suvarnabhumi Airport to Ko Samui usually depart from Bangkok Suvarnabhumi (BKK) and arrive at Ko Samui (USM).

  • What time of day has the fewest delays on flights from Bangkok Suvarnabhumi Airport to Ko Samui?

    Night flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight considered delayed on the route from Bangkok Suvarnabhumi Airport to Ko Samui?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Bangkok Suvarnabhumi Airport to Ko Samui route, 20% of flights were delayed in the past three months, with delays averaging 1h 37m.

  • Which airports do connecting flights from Bangkok Suvarnabhumi Airport to Ko Samui pass through?

    One-stop flights from Bangkok Suvarnabhumi Airport to Ko Samui most commonly connect through:

    • Phuket City (HKT) – 53% of one-stop connections
    • Hong Kong Intl (HKG) – 33% of one-stop connections
    • Krabi (KBV) – 13% of one-stop connections

  • Can I save money by using flexible dates for flights from Bangkok Suvarnabhumi Airport to Ko Samui?

    Yes. Flexible dates can save you up to 8% on flights from Bangkok Suvarnabhumi Airport to Ko Samui. Tuesday is the cheapest departure day at C$ 349 round-trip on average, while Saturday is the most expensive at C$ 378, a difference of C$ 29.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Bangkok Suvarnabhumi Airport to Ko Samui?

    Only Bangkok Airways operates flights between Bangkok Suvarnabhumi Airport and Ko Samui.

  • How much time can I save by choosing a different layover airport when travelling from Bangkok Suvarnabhumi Airport to Ko Samui?

    Flying via Phuket City (HKT) gives the shortest average 1-stop total travel time at 4h 18m, compared with 5h 49m via Krabi (KBV) and 12h 48m via Hong Kong Intl (HKG).

  • Which popular places can I visit in Ko Samui?

    Some of the most popular sights in Ko Samui are Lamai Beach, Chaweng Beach, and Fishermans Village. These are among the most viewed places in Ko Samui on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Bangkok Suvarnabhumi Airport to Ko Samui flights?

    Among airlines operating Bangkok Suvarnabhumi Airport to Ko Samui flights:

    • Bangkok Airways: offers free seat selection
    • Thai Airways: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Bangkok Suvarnabhumi Airport to Ko Samui flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Bangkok Airways: a carry-on bag and a checked bag in Economy Class
    • Thai Airways: a carry-on bag and a checked bag in Economy Class
    • Oman Air: a carry-on bag and a checked bag in Economy Class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

  • Are there any sustainable airlines that service flights from Suvarnabhumi Airport (BKK) to Samui Airport (USM)?

    Bangkok Airways has taken steps to reduce its environmental footprint and increase its sustainability. For example, the company has chosen to participate in a mangrove restoration and conservation project in order to help local ecosystems. It has also tried to reduce the amount of single use plastic that is used during its flights.

  • What is the checked luggage allowance for flights from Suvarnabhumi Airport (BKK) to Samui Airport (USM)?

    Most of the airlines that offer flights from Suvarnabhumi Airport (BKK) to Samui Airport (USM) allow their customers to check a bag or item at no cost. Keep in mind that this is only if you are flying in Economy or above, as Basic Economy tickets typically do not have the same luggage allowance.

  • What transportation options are there for going from Samui Airport (USM) to downtown Koh Samui?

    Public transportation is typically not an option for going from Samui Airport (USM) to downtown Koh Samui, so you will instead need to drive, whether that be renting your own car or grabbing a local taxi. When driving between these two locations, the trip will usually take around 15 minutes in total.

  • Where do layovers typically take place for flights from Suvarnabhumi Airport (BKK) to Samui Airport (USM)?

    When flying from Suvarnabhumi Airport (BKK) to Samui Airport (USM) with Nok Air, you will usually have a layover in the city of Phuket. If you will be flying with Bangkok Airways, you will also likely have a layover in Phuket. Flights that are serviced by Thai AirAsia usually have layovers in Krabi.

Your guide to booking Bangkok Suvarnabhumi Airport to Ko Samui flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average C$ 349, about C$ 29 less than Saturday fares (8% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 25 weeks before you fly. On this route, that window historically saves about 41% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Bangkok Suvarnabhumi Airport to Ko Samui trip for May. Fares historically average C$ 269 round-trip in that month – typically C$ 167 less than the most expensive month, which is February (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.

    • Ozo Chaweng Samui - Sha Extra Plus
    • Melia Koh Samui
    • Amari Koh Samui
  • There are several ways to go from downtown Bangkok to Suvarnabhumi Airport (BKK). When driving, the trip is typically around 50 minutes in total. Otherwise, you can take public transport, including bus lines 371 and 383. If you take the bus, the journey will also be around 50 minutes.
  • A majority of the airports that service flights from Suvarnabhumi Airport (BKK) to Samui Airport (USM) allow their customers to bring a carry-on bag and a personal item without having to pay a fee. Some of these airlines include Bangkok Airways and Thai AirAsia.
  • Suvarnabhumi Airport (BKK) has a few different airline lounges for you to enjoy before your flight departs. There are the Japan Airlines JAL Sakura Lounge and the Qatar Airways Premium Lounge in Concourse D. You can also find the Thai Airways Royal First Class Lounge in Concourse D.
  • As flights from Suvarnabhumi Airport (BKK) to Samui Airport (USM) are short, you will typically be able to upgrade your reservation to Business Class or Premium Economy for a reasonable fee. Once you have booked an Economy seat, many airlines will give you an upgrade option at a special price.
  • You can save some money during your trip by choosing to book a Basic Economy seat instead of Standard Economy. There are a few airlines that offer this for flights from Suvarnabhumi Airport (BKK) to Samui Airport (USM), including Bangkok Airways.

Prefer to fly direct from Bangkok to Ko Samui?

 
Find which airlines fly direct from Bangkok Suvarnabhumi Airport to Ko Samui Airport, which days they fly and book direct flights.

Direct departures

Bangkok Suvarnabhumi to Ko Samui

Monday

Bangkok Airways

Bangkok Airways

Tuesday

Bangkok Airways

Bangkok Airways

Wednesday

Bangkok Airways

Bangkok Airways

Thursday

Bangkok Airways

Bangkok Airways

Friday

Bangkok Airways

Bangkok Airways

Saturday

Bangkok Airways

Bangkok Airways

Sunday

Bangkok Airways

Bangkok Airways

See more nonstop flights

Direct returns

Ko Samui to Bangkok Suvarnabhumi

Monday

Bangkok Airways

Bangkok Airways

Tuesday

Bangkok Airways

Bangkok Airways

Wednesday

Bangkok Airways

Bangkok Airways

Thursday

Bangkok Airways

Bangkok Airways

Friday

Bangkok Airways

Bangkok Airways

Saturday

Bangkok Airways

Bangkok Airways

Sunday

Bangkok Airways

Bangkok Airways

See more nonstop flights

More options for your flight from Bangkok to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car rental