$1,388+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — USM
Dec 2 — Dec 91
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 November 2, 2025.
Round-trip from | $1,388 (oojo) |
|---|
Find flight deals from Detroit to Ko Samui
Best flights from Detroit to Ko SamuiDiscover carefully curated flight deals from Detroit to Ko Samui that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 2, 2025.
Discover carefully curated flight deals from Detroit to Ko Samui that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 2, 2025.
This oojo deal was found by Cheapflights users on 11/1. 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.
Sat 4/188:55 pmDTW - USM
2 stops34h 05mTurkish Airlines
Sat 4/257:30 pmUSM - DTW
2 stops34h 20mTurkish Airlines
Deal found 11/1![Turkish Airlines logo]()
$1,388
This Mytrip deal was found by Cheapflights users on 11/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/288:55 pmDTW - USM
2 stops26h 50mMultiple Airlines
Fri 4/312:05 pmUSM - DTW
3 stops42h 35mMultiple Airlines
Deal found 11/1![Multiple Airlines logo]()
$1,745
This Qatar Airways deal was found by Cheapflights users on 11/1. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/183:36 pmDTW - USM
3 stops30h 44mQatar Airways
Sat 4/253:50 pmUSM - DTW
3 stops31h 30mQatar Airways
Deal found 11/1![Qatar Airways logo]()
$1,751
This Mytrip deal was found by Cheapflights users on 11/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:44 amDTW - USM
3 stops35h 36mMultiple Airlines
Sat 4/257:15 pmUSM - DTW
2 stops34h 35mMultiple Airlines
Deal found 11/1![Multiple Airlines logo]()
$1,875
This Qatar Airways deal was found by Cheapflights users on 11/1. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/286:43 pmDTW - USM
3 stops28h 27mQatar Airways
Fri 4/38:50 pmUSM - DTW
3 stops36h 57mQatar Airways
Deal found 11/1![Qatar Airways logo]()
$2,041
This oojo deal was found by Cheapflights users on 11/1. 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 4/178:55 pmDTW - USM
2 stops24h 40mTurkish Airlines
Sat 4/255:35 pmUSM - DTW
2 stops36h 15mTurkish Airlines
Deal found 11/1![Turkish Airlines logo]()
$5,237
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 November 2, 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
Sat 4/18
8:55 pm-6:00 pm
2 stops34h 05m
Ko Samui
Sat 4/25
7:30 pm-6:50 pm
2 stops34h 20m
$1,388
DetroitKo Samui
DTW - USM
DTWUSM
Detroit Metropolitan Wayne County
Sat 3/28
8:55 pm-10:45 am
2 stops26h 50m
Ko Samui
Fri 4/3
12:05 pm-7:40 pm
3 stops42h 35m
$1,745
DetroitKo Samui
DTW - USM
DTWUSM
Detroit Metropolitan Wayne County
Sat 4/18
3:36 pm-9:20 am
3 stops30h 44m
Ko Samui
Sat 4/25
3:50 pm-12:20 pm
3 stops31h 30m
$1,751
DetroitKo Samui
DTW - USM
DTWUSM
Detroit Metropolitan Wayne County
Sat 4/18
10:44 am-9:20 am
3 stops35h 36m
Ko Samui
Sat 4/25
7:15 pm-6:50 pm
2 stops34h 35m
$1,875
DetroitKo Samui
DTW - USM
DTWUSM
Detroit Metropolitan Wayne County
Sat 3/28
6:43 pm-10:10 am
3 stops28h 27m
Ko Samui
Fri 4/3
8:50 pm-10:47 pm
3 stops36h 57m
$2,041
DetroitKo Samui
DTW - USM
DTWUSM
Detroit Metropolitan Wayne County
Fri 4/17
8:55 pm-8:35 am
2 stops24h 40m
Ko Samui
Sat 4/25
5:35 pm-6:50 pm
2 stops36h 15m
$5,237
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 November 2, 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 51% versus a flight in the afternoon.
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 Monday at noon when fares are most often at their lowest. Wednesday afternoons 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 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 Ko Samui?
Book flights to Ko Samui if you plan to visit one of these locationsKo Tao
Ko Pha Ngan