$3,429+ Cheap flights from Detroit (DTT) to Ko Samui (USM)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — USM
Apr 27 — May 41
1 adult, Economy
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Find cheap flights from Detroit 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 Detroit to Ko Samui
Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) 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 April 22, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Find flight deals from Detroit to Ko Samui
Cheapest flights from Detroit to Ko SamuiExplore the most affordable flight options available from Detroit to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.
Explore the most affordable flight options available from Detroit to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.
This AranGrant deal was found by Cheapflights users on 4/21. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/291:00 pmDTW - USM
2 stops42h 35mCathay Pacific
Sun 7/610:55 amUSM - DTW
2 stops44h 27mCathay Pacific
Deal found 4/21![Cathay Pacific logo]()
$3,429
This business-class.com deal was found by Cheapflights users on 4/21. 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.
Sun 6/299:05 pmDTW - USM
3 stops33h 40mJapan Airlines
Sun 7/67:10 pmUSM - DTW
3 stops36h 12mJapan Airlines
Deal found 4/21![Japan Airlines logo]()
$5,187
Cheapflights Fare Finder
Customize your flight search to find flights from Detroit 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 April 22, 2025.
Use the filters below to find and compare flights from Detroit to Ko Samui that are best for you.
Fly from
Detroit
Fly to
Ko Samui
Route
Depart
Return
Price
DetroitKo Samui
DTW - USM
DTWUSM
Detroit Metropolitan Wayne County
Sun 6/29
1:00 pm-6:35 pm
2 stops42h 35m
Ko Samui
Sun 7/6
10:55 am-8:22 pm
2 stops44h 27m
$3,429
DetroitKo Samui
DTW - USM
DTWUSM
Detroit Metropolitan Wayne County
Sun 6/29
9:05 pm-5:45 pm
3 stops33h 40m
Ko Samui
Sun 7/6
7:10 pm-8:22 pm
3 stops36h 12m
$5,187
- Most accurate provider: When it comes to deals on Detroit-Ko Samui flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Detroit-Ko Samui flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Detroit-Ko Samui flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Detroit-Ko Samui flights, Cheapflights users trust AranGrant the most. AranGrant 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 Detroit-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 Detroit to Ko Samui
Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Detroit 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 Detroit to Ko Samui
What is the cheapest time of day to fly from DTT to USM?
Find hourly flight availability from Detroit 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 April 22, 2025.
When flying from Detroit to Ko Samui, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 68% versus a flight in the morning.
What is the cheapest day to fly from Detroit to Ko Samui?
Use this chart to determine the cheapest time to fly round-trip from Detroit to Ko Samui. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Detroit to Ko Samui flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday 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).
Related info for your journey
Find useful and relevant information for your journey from Detroit 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 Detroit?
Book flights to Detroit if you plan to visit one of these locationsKo Tao
Ko Pha Ngan