$1,108+ Cheap flights from Miami (MIA) to Ko Samui (USM)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — USM
Jan 4 — Jan 111
1 adult, Economy
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Find cheap flights from Miami to Ko Samui with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Miami to Ko Samui
Cheapest flights from Miami to Ko SamuiExplore the most affordable flight options available from Miami to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2025.
Explore the most affordable flight options available from Miami to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2025.
This Trip.com deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:20 amMIA - USM
2 stops43h 55mMultiple Airlines
Fri 1/23:50 pmUSM - MIA
2 stops40h 45mMultiple Airlines
Deal found 12/3![Multiple Airlines logo]()
$3,893
This Gotogate deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:30 pmMIA - USM
2 stops58h 35mMultiple Airlines
Thu 1/18:15 amUSM - MIA
2 stops44h 10mMultiple Airlines
Deal found 12/3![Multiple Airlines logo]()
$4,998
This Mytrip deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:30 pmMIA - USM
2 stops55h 45mMultiple Airlines
Sat 1/38:20 pmUSM - MIA
2 stops32h 35mMultiple Airlines
Deal found 12/3![Multiple Airlines logo]()
$5,299
This Mytrip deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:20 amMIA - USM
2 stops46h 45mMultiple Airlines
Fri 1/21:25 pmUSM - MIA
2 stops32h 25mMultiple Airlines
Deal found 12/3![Multiple Airlines logo]()
$5,650
This British Airways deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:00 pmMIA - USM
2 stops35h 05mBritish Airways
Sun 1/114:25 pmUSM - MIA
2 stops39h 05mBritish Airways
Deal found 12/4![British Airways logo]()
$8,833
Find flight deals from Miami to Ko Samui
Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 5, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $1,573 (Ovago) |
One-way from | $1,129 (FlightHub) |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 5, 2025.
Use the filters below to find and compare flights from Miami to Ko Samui that are best for you.
Fly from
Miami
Fly to
Ko Samui
Route
Depart
Return
Price
MiamiKo Samui
MIA - USM
MIAUSM
Miami
Tue 2/10
7:15 pm-9:20 am
2 stops26h 05m
Ko Samui
Thu 2/19
6:15 pm-4:25 pm
2 stops34h 10m
$1,668
MiamiKo Samui
MIA - USM
MIAUSM
Miami
Mon 12/22
10:20 am-6:15 pm
2 stops43h 55m
Ko Samui
Fri 1/2
3:50 pm-8:35 pm
2 stops40h 45m
$3,893
MiamiKo Samui
MIA - USM
MIAUSM
Miami
Tue 2/10
3:55 pm-7:35 pm
2 stops39h 40m
Ko Samui
Thu 2/19
1:45 pm-6:50 am
3 stops29h 05m
$4,280
MiamiKo Samui
MIA - USM
MIAUSM
Miami
Fri 12/19
10:30 pm-9:05 pm
2 stops58h 35m
Ko Samui
Thu 1/1
8:15 am-4:25 pm
2 stops44h 10m
$4,998
MiamiKo Samui
MIA - USM
MIAUSM
Miami
Fri 12/19
10:30 pm-6:15 pm
2 stops55h 45m
Ko Samui
Sat 1/3
8:20 pm-4:55 pm
2 stops32h 35m
$5,299
MiamiKo Samui
MIA - USM
MIAUSM
Miami
Mon 12/15
10:20 am-7:30 am
3 stops57h 10m
$1,108
Compare providers for flights from Miami to Ko Samui
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Miami to Ko Samui in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Miami-Ko Samui flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Miami-Ko Samui flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Miami-Ko Samui flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Miami-Ko Samui flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Miami-Ko Samui flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Miami to Ko Samui
Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Miami with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Miami to Ko Samui
Prices
Delays
What is the cheapest time of day to fly from MIA to USM?
Find hourly flight availability from Miami to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 5, 2025.
It’s optimal to fly from Miami to Ko Samui in the morning. By choosing this option you can save up to 76% on the cost of your flight, compared to a flight in the afternoon.
What is the cheapest day to fly from Miami to Ko Samui?
Use this chart to determine the cheapest time to fly round-trip from Miami to Ko Samui. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Miami to Ko Samui flight should consider departing on Thursday mornings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Miami to Ko Samui delayed?
About 22% of weekly flights between Miami and Ko Samui have experienced delays in the past year, with the average delay time being 161 minutes.
What is the most punctual flight time for Miami to Ko Samui flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Miami to Ko Samui flights?
Over the last year, Frontier have had the lowest number of delays on this route, with just 6% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Miami to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Ko Samui?
Book flights to Ko Samui if you plan to visit one of these locationsKo Tao
Ko Pha Ngan