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Ko Samui

$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 23 — Dec 301
Tue 12/23
Tue 12/30
1 adult, Economy
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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 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,433
(FlightHub)

One-way from

$785
(oojo)
Provider with most accurate pricing for Miami-Ko Samui flight deals.
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Provider most trusted by Cheapflights users for Miami-Ko Samui flights.
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From Miami to Ko Samui
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One-way flight from Miami to Ko Samui
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Find flight deals from Miami to Ko Samui

Cheapest flights from Miami to Ko Samui
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 23, 2025.

This oojo deal was found by Cheapflights users on 11/22. 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 11/254:47 pmMIA - USM
2 stops38h 48mCathay Pacific
Sat 12/611:40 amUSM - MIA
2 stops29h 40mCathay Pacific
Deal found 11/22$1,540
This oojo deal was found by Cheapflights users on 11/22. 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 12/29:37 amMIA - USM
2 stops45h 58mCathay Pacific
Fri 12/1211:40 amUSM - MIA
2 stops31h 12mCathay Pacific
Deal found 11/22$1,790
This Air France deal was found by Cheapflights users on 11/22. 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 11/22$2,088
This AranGrant deal was found by Cheapflights users on 11/22. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:25 pmMIA - USM
2 stops55h 50mBritish Airways
Sun 1/114:25 pmUSM - MIA
2 stops34h 15mBritish Airways
Deal found 11/22$8,400
This oojo deal was found by Cheapflights users on 11/23. 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 12/1910:30 pmMIA - USM
2 stops34h 15mMultiple Airlines
Sun 1/117:00 amUSM - MIA
2 stops36h 00mMultiple Airlines
Deal found 11/23$10,213
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$13,173
This oojo 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 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 11/21$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 23, 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

Thu 2/19

7:15 pm-10:40 am

2 stops27h 25m

Ko Samui

Mon 2/23

3:05 pm-9:50 am

2 stops30h 45m

$1,433

MiamiKo Samui

MIA - USM

MIAUSM

Miami

Tue 1/20

7:15 pm-8:25 am

2 stops25h 10m

Ko Samui

Mon 4/20

5:50 pm-10:35 am

2 stops27h 45m

$1,469

MiamiKo Samui

MIA - USM

MIAUSM

Miami

Thu 2/19

10:30 pm-8:05 am

2 stops45h 35m

Ko Samui

Mon 2/23

7:10 pm-10:29 pm

3 stops39h 19m

$1,486

MiamiKo Samui

MIA - USM

MIAUSM

Miami

Thu 5/7

11:55 pm-4:55 pm

2 stops30h 00m

Ko Samui

Wed 5/13

8:00 am-10:05 am

2 stops37h 05m

$1,531

MiamiKo Samui

MIA - USM

MIAUSM

Miami

Tue 2/10

7:15 pm-10:40 am

2 stops27h 25m

Ko Samui

Thu 2/19

7:30 pm-4:25 pm

2 stops32h 55m

$1,673

MiamiKo Samui

MIA - USM

MIAUSM

Miami

Wed 1/7

7:15 pm-8:25 am

2 stops25h 10m

Ko Samui

Wed 1/14

8:55 am-8:54 pm

3 stops47h 59m

$1,859

MiamiKo Samui

MIA - USM

MIAUSM

Miami

Wed 1/7

3:55 pm-7:35 pm

2 stops39h 40m

Ko Samui

Wed 1/14

11:40 am-6:28 pm

2 stops42h 48m

$1,925

MiamiKo Samui

MIA - USM

MIAUSM

Miami

Tue 2/10

3:55 pm-7:35 pm

2 stops39h 40m

Ko Samui

Thu 2/19

2:05 pm-6:50 am

3 stops28h 45m

$3,832

MiamiKo Samui

MIA - USM

MIAUSM

Miami

Mon 2/9

10:20 am-8:05 am

2 stops33h 45m

$785

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

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.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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

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 23, 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.

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.

  • How long is the flight from Miami to Ko Samui?

    Departing from Miami to Ko Samui will take you 27h 25m. The distance between Miami and Ko Samui is about 9988 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Miami to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Miami to Ko Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Miami to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Miami to Ko Samui.

  • Can I find deals for business class flights from Miami to Ko Samui?

    Yes. Cheapflights offers flight deals from Miami to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Ko Samui?

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

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