$785+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — USM
Dec 21 — Dec 281
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
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 November 21, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $1,437 (FlightHub) |
One-way from | $785 (oojo) |
Find 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 November 21, 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 November 21, 2025.
This oojo deal was found by Cheapflights users on 11/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:30 pmMIA - USM
2 stops38h 05mCathay Pacific
Sat 12/611:40 amUSM - MIA
2 stops32h 08mCathay Pacific
Deal found 11/18![Cathay Pacific logo]()
$1,511
This Ovago deal was found by Cheapflights users on 11/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:50 pmMIA - USM
2 stops36h 45mCathay Pacific
Sat 12/611:40 amUSM - MIA
2 stops31h 12mCathay Pacific
Deal found 11/19![Cathay Pacific logo]()
$1,541
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:35 pmMIA - USM
2 stops60h 00mCathay Pacific
Sat 12/611:40 amUSM - MIA
2 stops31h 12mCathay Pacific
Deal found 11/19![Cathay Pacific logo]()
$1,579
This Air France deal was found by Cheapflights users on 11/18. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/308:00 pmMIA - USM
2 stops29h 05mAir France
Thu 12/44:25 pmUSM - MIA
2 stops37h 15mAir France
Deal found 11/18![Air France logo]()
$2,088
This Air France deal was found by Cheapflights users on 11/20. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:40 pmMIA - USM
2 stops56h 55mMultiple Airlines
Sun 1/114:25 pmUSM - MIA
2 stops37h 15mMultiple Airlines
Deal found 11/20![Multiple Airlines logo]()
$9,666
This business-class.com deal was found by Cheapflights users on 11/21. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:25 amMIA - USM
3 stops37h 40mJapan Airlines
Sun 1/118:20 pmUSM - MIA
3 stops36h 49mJapan Airlines
Deal found 11/21![Japan Airlines logo]()
$13,173
This oojo deal was found by Cheapflights users on 11/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:25 amMIA - USM
3 stops50h 55mCathay Pacific
Sun 1/1111:40 amUSM - MIA
2 stops31h 41mCathay Pacific
Deal found 11/19![Cathay Pacific logo]()
$14,776
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 November 21, 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 11/25
5:30 pm-7:35 pm
2 stops38h 05m
Ko Samui
Sat 12/6
11:40 am-7:48 am
2 stops32h 08m
$1,511
MiamiKo Samui
MIA - USM
MIAUSM
Miami
Thu 11/27
5:30 pm-7:35 pm
2 stops38h 05m
Ko Samui
Sat 12/6
11:40 am-6:52 am
2 stops31h 12m
$1,541
MiamiKo Samui
MIA - USM
MIAUSM
Miami
Wed 11/26
5:30 pm-7:35 pm
2 stops38h 05m
Ko Samui
Sat 12/6
11:40 am-5:20 am
2 stops29h 40m
$1,541
MiamiKo Samui
MIA - USM
MIAUSM
Miami
Mon 11/24
6:50 pm-7:35 pm
2 stops36h 45m
Ko Samui
Sat 12/6
11:40 am-6:52 am
2 stops31h 12m
$1,541
MiamiKo Samui
MIA - USM
MIAUSM
Miami
Tue 2/10
7:15 pm-10:40 am
2 stops27h 25m
Ko Samui
Thu 2/19
8:30 pm-4:25 pm
2 stops31h 55m
$1,673
MiamiKo Samui
MIA - USM
MIAUSM
Miami
Sun 11/30
8:00 pm-1:05 pm
2 stops29h 05m
Ko Samui
Thu 12/4
4:25 pm-5:40 pm
2 stops37h 15m
$2,088
MiamiKo Samui
MIA - USM
MIAUSM
Miami
Mon 2/9
10:20 am-8:05 am
2 stops33h 45m
$785
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 November.
| 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 November 21, 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 20% of weekly flights between Miami and Ko Samui have experienced delays in the past year, with the average delay time being 162 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?
Tuesday 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, Alaska Airlines have had the lowest number of delays on this route, with no flights being classified as 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