How long is the flight from Miami to Ko Samui?

Departing from Miami to Ko Samui will take you 31h 45m. The distance between Miami and Ko Samui is about 9988 mi.

What is the cheapest day to fly from Miami to Ko Samui?

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.

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.

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).

What is the cheapest day to fly round-trip from Miami to Ko Samui?

Flights from Miami to Ko Samui are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ko Samui.

What is the cheapest time of day to fly from MIA to USM?

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.

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.

$595+ Flights from Miami to Ko Samui

Round-trip from	$1,365 (oojo)
One-way from	$595 (Kiwi.com)

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

$595+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Miami to Ko Samui with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Miami to Ko Samui

Round-trip from

One-way from

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 August 20, 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 August 20, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Miami to Ko Samui that are best for you.

The best insider tips for Miami to Ko Samui flights

Cheapflights partnered with top experts to bring you the best recommendations for your Miami to Ko Samui trip

Airlines

Frontier

Southwest

Spirit Airlines

Our travel experts

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.

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?

What is the cheapest day to fly from Miami to Ko Samui?

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?

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

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

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

Traveling to a place near Ko Samui?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Miami to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

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 August 20, 2025.