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Ko Samui

$694+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — USM
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$1,381
(FlightHub)

One-way from

$694
(Kiwi.com)
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 junio 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/110:15 pmMIA - USM
2 stops32h 45mTurkish Airlines
jue. 9/187:30 pmUSM - MIA
2 stops35h 50mTurkish Airlines
Deal found 6/10$1,381
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/2610:15 pmMIA - USM
2 stops47h 00mMultiple Airlines
sáb. 8/27:10 pmUSM - MIA
2 stops36h 10mMultiple Airlines
Deal found 6/11$1,910
This AranGrant deal was found by Cheapflights users on 6/10. 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.
lun. 9/17:55 pmMIA - USM
2 stops35h 40mCathay Pacific
lun. 10/1310:55 amUSM - MIA
2 stops37h 13mCathay Pacific
Deal found 6/10$2,540
This British Airways deal was found by Cheapflights users on 6/10. 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.
mié. 9/35:00 pmMIA - USM
2 stops41h 10mBritish Airways
lun. 10/131:30 pmUSM - MIA
2 stops36h 00mBritish Airways
Deal found 6/10$2,574

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 junio 12, 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

lun. 9/1

10:15 pm-6:00 pm

2 stops32h 45m

Ko Samui

jue. 9/18

7:30 pm-8:20 pm

2 stops35h 50m

$1,381

MiamiKo Samui

MIA - USM

MIAUSM

Miami

sáb. 7/26

10:15 pm-8:15 am

2 stops47h 00m

Ko Samui

sáb. 8/2

7:10 pm-8:20 pm

2 stops36h 10m

$1,910

MiamiKo Samui

MIA - USM

MIAUSM

Miami

lun. 9/1

7:55 pm-6:35 pm

2 stops35h 40m

Ko Samui

lun. 10/13

10:55 am-1:08 pm

2 stops37h 13m

$2,540

MiamiKo Samui

MIA - USM

MIAUSM

Miami

mié. 9/3

5:00 pm-9:10 pm

2 stops41h 10m

Ko Samui

lun. 10/13

1:30 pm-2:30 pm

2 stops36h 00m

$2,574

MiamiKo Samui

MIA - USM

MIAUSM

Miami

vie. 8/1

10:15 pm-8:50 pm

3 stops59h 35m

$694

MiamiKo Samui

MIA - USM

MIAUSM

Miami

vie. 8/1

10:35 am-6:15 pm

2 stops44h 40m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

The best insider tips for Miami to Ko Samui flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Miami to Ko Samui trip
Airlines
Frontier

Consider Premium Seats with 35” separation for more comfort on long flights.


Frontier's Economy Bundle includes a carry-on bag, seat selection, and no change fees.

Read more about Frontierby Marisa Garcia
Southwest

Enjoy free snacks and non-alcoholic drinks, plus a free drink on special occasions.


Two free checked bags included, even oversized like skis or golf clubs.

Read more about Southwestby Marisa Garcia
Spirit Airlines

Purchase Big Front Seats for 11 extra inches of legroom and larger tray tables.


Use the Spirit Bag-O-Tron tool to compare baggage fees and save money.

Read more about Spirit Airlinesby Daniel Scheffler
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more

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 junio 12, 2025.

It’s optimal to fly from Miami to Ko Samui in the morning. By choosing this option you can save up to 77% 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.

Rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ko Samui ranges from 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Ko Samui when rainfall is around 2.3 in.

Temperature in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated junio 12, 2025.
Cathay Pacific
7.6
Good
892 reviews

Boarding

7.9

Comfort

7.6

Food

7.3

Overall

7.6

Entertainment

7.8

Crew

8.0

Reviews

1 / 20
8.0
Excellent

KS,Jun 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
Cathay Pacific
7.6
Good
892 reviews
Cathay Pacific
7.6
Good
892 reviews

Boarding

7.9

Comfort

7.6

Food

7.3

Overall

7.6

Entertainment

7.8

Crew

8.0

Reviews

1 / 20
8.0
Excellent

KS,Jun 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
Turkish Airlines
7.3
Good
3,848 reviews
Cathay Pacific
7.6
Good
892 reviews

Boarding

7.9

Comfort

7.6

Food

7.3

Overall

7.6

Entertainment

7.8

Crew

8.0

Reviews

1 / 20
8.0
Excellent

KS,Jun 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
British Airways
6.6
Okay
7,008 reviews
Cathay Pacific
7.6
Good
892 reviews

Boarding

7.9

Comfort

7.6

Food

7.3

Overall

7.6

Entertainment

7.8

Crew

8.0

Reviews

1 / 20
8.0
Excellent

KS,Jun 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.

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.

  • 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.

Traveling to a place near Miami?

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

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