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Cheap flights from Miami to Ko Samui from $1,378

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Miami to Ko Samui departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Miami to Ko Samui

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
3:45 pm - 7:40 pmMIA  Miami-USM Ko Samui
40h 55m2 stops Los Angeles Los Angeles Hong Kong Intl
Cathay Pacific Logo
11:55 am - 11:18 pmUSM  Ko Samui-MIA Miami
46h 23m2 stops Hong Kong Intl Dallas/Fort Worth
$1,378Cathay Pacific
Wed, Sep 16 - Sun, Sep 20
Lufthansa Logo
6:45 pm - 9:05 pmMIA  Miami-USM Ko Samui
38h 20m2 stops Munich Franz Josef Strauss Singapore Changi
Lufthansa Logo
1:25 pm - 2:40 pmUSM  Ko Samui-MIA Miami
37h 15m2 stops Singapore Changi Frankfurt am Main
$1,410Lufthansa
Wed, Jan 20 - Sun, Jan 31
Qatar Airways Logo
7:40 pm - 11:55 amMIA  Miami-USM Ko Samui
29h 15m2 stops Doha Hamad Intl Phuket City
Qatar Airways Logo
2:30 pm - 4:40 pmUSM  Ko Samui-MIA Miami
37h 10m2 stops Phuket City Doha Hamad Intl
$1,475Qatar Airways
Tue, Sep 8 - Tue, Sep 15
Qatar Airways Logo
7:40 pm - 4:55 pmMIA  Miami-USM Ko Samui
34h 15m2 stops Doha Hamad Intl Phuket City
Qatar Airways Logo
7:00 pm - 4:40 pmUSM  Ko Samui-MIA Miami
32h 40m2 stops Phuket City Doha Hamad Intl
$1,492Qatar Airways
Tue, Sep 22 - Tue, Sep 29
Multiple Airlines Logo
7:15 pm - 5:30 pmMIA  Miami-USM Ko Samui
34h 15m2 stops Doha Hamad Intl Phuket City
Multiple Airlines Logo
9:10 pm - 5:22 pmUSM  Ko Samui-MIA Miami
32h 12m2 stops Bangkok Suvarnabhumi Vancouver Intl
$1,532Multiple Airlines
Thu, Jan 28 - Sun, Jan 31
Multiple Airlines Logo
10:35 pm - 9:35 pmMIA  Miami-USM Ko Samui
36h 00m2 stops Istanbul Bangkok Suvarnabhumi
Multiple Airlines Logo
7:00 am - 8:10 amUSM  Ko Samui-MIA Miami
36h 10m2 stops Bangkok Suvarnabhumi Istanbul
$1,546Multiple Airlines
Wed, Oct 21 - Mon, Oct 26
Multiple Airlines Logo
6:14 pm - 12:35 pmMIA  Miami-USM Ko Samui
30h 21m3 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:10 pm - 5:22 pmUSM  Ko Samui-MIA Miami
32h 12m2 stops Bangkok Suvarnabhumi Vancouver Intl
$1,585Multiple Airlines
Thu, Jan 28 - Sun, Jan 31
Qatar Airways Logo
7:40 pm - 8:25 pmMIA  Miami-USM Ko Samui
37h 45m2 stops Doha Hamad Intl Phuket City
Qatar Airways Logo
2:30 pm - 4:40 pmUSM  Ko Samui-MIA Miami
37h 10m2 stops Phuket City Doha Hamad Intl
$1,588Qatar Airways
Wed, Sep 23 - Sun, Sep 27
Multiple Airlines Logo
7:25 am - 7:45 amMIA  Miami-USM Ko Samui
36h 20m3 stops Toronto Pearson Intl Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
8:40 pm - 5:22 pmUSM  Ko Samui-MIA Miami
32h 42m2 stops Bangkok Suvarnabhumi Vancouver Intl
$1,642Multiple Airlines
Wed, Jan 20 - Sun, Jan 31
Multiple Airlines Logo
7:40 pm - 8:25 amMIA  Miami-USM Ko Samui
49h 45m2 stops Doha Hamad Intl Phuket City
Multiple Airlines Logo
12:10 pm - 4:40 pmUSM  Ko Samui-MIA Miami
39h 30m2 stops Phuket City Doha Hamad Intl
$1,668Multiple Airlines
Fri, Sep 4 - Mon, Sep 7

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Qatar Airways flights from Miami to Ko Samui

Our best Qatar Airways deals on Miami to Ko Samui flight tickets
Qatar Airways
Sep 8
MIA7:40 pmMiami
29h 15m
2 stops
USM11:55 amKo Samui
Sep 15
USM2:30 pmKo Samui
37h 10m
2 stops
MIA4:40 pmMiami
$1,475
Qatar Airways
Sep 22
MIA7:40 pmMiami
34h 15m
2 stops
USM4:55 pmKo Samui
Sep 29
USM7:00 pmKo Samui
32h 40m
2 stops
MIA4:40 pmMiami
$1,492
Qatar Airways
Sep 23
MIA7:40 pmMiami
37h 45m
2 stops
USM8:25 pmKo Samui
Sep 27
USM2:30 pmKo Samui
37h 10m
2 stops
MIA4:40 pmMiami
$1,588

Emirates flights from Miami to Ko Samui

Our best Emirates deals on Miami to Ko Samui flight tickets
Emirates
Sep 20
MIA11:55 pmMiami
28h 50m
2 stops
USM3:45 pmKo Samui
Sep 27
USM8:00 amKo Samui
37h 00m
2 stops
MIA10:00 amMiami
$1,782
Emirates
Aug 27
MIA11:55 pmMiami
49h 00m
2 stops
USM11:55 amKo Samui
Sep 14
USM7:00 pmKo Samui
50h 00m
2 stops
MIA10:00 amMiami
$11,814

momondo Fare Finder

 
Customize your flight search to find flights from Miami to Ko Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from Miami to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MiamiKo Samui

MIA Miami - USM Ko Samui

MIAUSM

Miami

Wed 9/16

3:45 pm-7:40 pm

2 stops40h 55m

Ko Samui

Sun 9/20

11:55 am-11:18 pm

2 stops46h 23m

$1,378

MiamiKo Samui

MIA Miami - USM Ko Samui

MIAUSM

Miami

Wed 1/20

6:45 pm-9:05 pm

2 stops38h 20m

Ko Samui

Sun 1/31

1:25 pm-2:40 pm

2 stops37h 15m

$1,410

MiamiKo Samui

MIA Miami - USM Ko Samui

MIAUSM

Miami

Tue 9/8

7:40 pm-11:55 am

2 stops29h 15m

Ko Samui

Tue 9/15

2:30 pm-4:40 pm

2 stops37h 10m

$1,475

MiamiKo Samui

MIA Miami - USM Ko Samui

MIAUSM

Miami

Tue 9/22

7:40 pm-4:55 pm

2 stops34h 15m

Ko Samui

Tue 9/29

7:00 pm-4:40 pm

2 stops32h 40m

$1,492

MiamiKo Samui

MIA Miami - USM Ko Samui

MIAUSM

Miami

Thu 1/28

7:15 pm-5:30 pm

2 stops34h 15m

Ko Samui

Sun 1/31

9:10 pm-5:22 pm

2 stops32h 12m

$1,532

MiamiKo Samui

MIA Miami - USM Ko Samui

MIAUSM

Miami

Wed 10/21

10:35 pm-9:35 pm

2 stops36h 00m

Ko Samui

Mon 10/26

7:00 am-8:10 am

2 stops36h 10m

$1,546
Quickest round-trip

MiamiKo Samui

MIA Miami - USM Ko Samui

MIAUSM

Miami

Thu 1/28

6:14 pm-12:35 pm

3 stops30h 21m

Ko Samui

Sun 1/31

9:10 pm-5:22 pm

2 stops32h 12m

$1,585

MiamiKo Samui

MIA Miami - USM Ko Samui

MIAUSM

Miami

Wed 9/23

7:40 pm-8:25 pm

2 stops37h 45m

Ko Samui

Sun 9/27

2:30 pm-4:40 pm

2 stops37h 10m

$1,588

MiamiKo Samui

MIA Miami - USM Ko Samui

MIAUSM

Miami

Wed 1/20

7:25 am-7:45 am

3 stops36h 20m

Ko Samui

Sun 1/31

8:40 pm-5:22 pm

2 stops32h 42m

$1,642

MiamiKo Samui

MIA Miami - USM Ko Samui

MIAUSM

Miami

Fri 9/4

7:40 pm-8:25 am

2 stops49h 45m

Ko Samui

Mon 9/7

12:10 pm-4:40 pm

2 stops39h 30m

$1,668

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Ko Samui from

How to get the cheapest flight ticket from Miami to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How often are flights from Miami to Ko Samui delayed?

Historically, on average around 23% of flights between Miami and Ko Samui have experienced a delay on any given week. The average delay length over the past 12 months has been 157 minutes.

What is the most punctual flight time for Miami to Ko Samui flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Miami to Ko Samui flights?

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 20% of their flights experiencing any sort of delay.

When to book flights from Miami to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Miami to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Miami to Ko Samui (MIA to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Miami to Ko Samui

Fastest flight time

26h 40m

Direct flights

None
The fastest flight from Miami to Ko Samui takes 26h 40m
There are no direct flights from Miami to Ko Samui. There are no popular flight routes from Miami to Ko Samui.
Search flight deals

Frequently asked questions about flying from Miami to Ko Samui

  • How far is Miami to Ko Samui by plane?

    There are 9991.2 mi between Miami and Ko Samui. 26h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Miami Airport to Ko Samui Airport?

    Prices for flights from Miami Airport to Ko Samui Airport refresh daily.

  • How old do you have to be to fly from Miami Airport to Ko Samui Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Miami Airport to Ko Samui Airport.

  • What documentation or ID do you need to fly to Ko Samui Airport?

    The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao
Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Miami to Ko Samui?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ko Samui from Miami.

Can I find flights from Miami to Ko Samui with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ko Samui from Miami which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Miami to Ko Samui?

Once all potential Miami to Ko Samui flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Miami to Ko Samui right now. Can momondo alert me if prices change?

Price alerts on flights to Ko Samui from Miami are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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