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Ko Samui

$1,396+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — USM
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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Cheap flight deals from Detroit to Ko Samui

Cheapest flights from Detroit to Ko Samui
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 August 2, 2026.

This Booking.com deal was found by Cheapflights users on 7/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:59 pm
DTW
-
USM
3 stops31h 36m
Multiple Airlines
Tue 11/37:35 pm
USM
-
DTW
3 stops37h 23m
Multiple Airlines
Deal found 7/28$1,396
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Sun 11/15:43 pm
DTW
-
USM
3 stops30h 52m
Multiple Airlines
Sun 11/87:35 pm
USM
-
DTW
3 stops36h 55m
Multiple Airlines
Deal found 7/29$1,487
This Gotogate deal was found by Cheapflights users on 8/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:39 pm
DTW
-
USM
3 stops32h 06m
Multiple Airlines
Thu 9/247:45 pm
USM
-
DTW
3 stops33h 20m
Multiple Airlines
Deal found 8/1$1,515
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:00 am
DTW
-
USM
3 stops42h 45m
Multiple Airlines
Sun 9/206:55 pm
USM
-
DTW
3 stops45h 27m
Multiple Airlines
Deal found 7/30$1,525
This Cathay Pacific deal was found by Cheapflights users on 7/29. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:24 am
DTW
-
USM
2 stops46h 16m
Multiple Airlines
Sun 9/611:55 am
USM
-
DTW
2 stops44h 38m
Multiple Airlines
Deal found 7/29$1,530
This Turkish Airlines deal was found by Cheapflights users on 7/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:55 pm
DTW
-
USM
2 stops30h 50m
Turkish Airlines
Sun 9/208:35 pm
USM
-
DTW
2 stops33h 15m
Turkish Airlines
Deal found 7/29$1,558
This Orbitz deal was found by Cheapflights users on 7/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:50 pm
DTW
-
USM
2 stops61h 50m
Multiple Airlines
Sat 9/511:55 am
USM
-
DTW
2 stops43h 25m
Multiple Airlines
Deal found 7/30$1,565
This Ovago deal was found by Cheapflights users on 8/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:52 pm
DTW
-
USM
2 stops36h 48m
Cathay Pacific
Thu 9/2411:55 am
USM
-
DTW
2 stops42h 41m
Cathay Pacific
Deal found 8/1$1,572

Find 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 August 2, 2026.

Round-trip from

$1,483
(Mytrip)
From Detroit (DTT) to Ko Samui
Search Deals

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 August 2, 2026.
Use the filters below to find and compare flights from Detroit to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitKo Samui

DTW - USM

DTWUSM

Detroit Metropolitan Wayne County

Thu 10/29

5:59 pm-12:35 pm

3 stops31h 36m

Ko Samui

Tue 11/3

7:35 pm-8:58 pm

3 stops37h 23m

$1,396
Quickest round-trip

DetroitKo Samui

DTW - USM

DTWUSM

Detroit Metropolitan Wayne County

Thu 9/17

8:55 pm-8:35 am

2 stops24h 40m

Ko Samui

Thu 9/24

8:35 pm-6:05 pm

3 stops32h 30m

$1,519

DetroitKo Samui

DTW - USM

DTWUSM

Detroit Metropolitan Wayne County

Sun 9/13

9:00 am-2:45 pm

3 stops42h 45m

Ko Samui

Sun 9/20

6:55 pm-5:22 am

3 stops45h 27m

$1,525

DetroitKo Samui

DTW - USM

DTWUSM

Detroit Metropolitan Wayne County

Tue 9/1

10:24 am-7:40 pm

2 stops46h 16m

Ko Samui

Sun 9/6

11:55 am-9:33 pm

2 stops44h 38m

$1,530

DetroitKo Samui

DTW - USM

DTWUSM

Detroit Metropolitan Wayne County

Sun 9/13

8:55 pm-2:45 pm

2 stops30h 50m

Ko Samui

Sun 9/20

8:35 pm-6:50 pm

2 stops33h 15m

$1,558

DetroitKo Samui

DTW - USM

DTWUSM

Detroit Metropolitan Wayne County

Sat 8/29

6:50 pm-7:40 pm

2 stops61h 50m

Ko Samui

Sat 9/5

11:55 am-8:20 pm

2 stops43h 25m

$1,565

DetroitKo Samui

DTW - USM

DTWUSM

Detroit Metropolitan Wayne County

Thu 9/17

7:52 pm-7:40 pm

2 stops36h 48m

Ko Samui

Thu 9/24

11:55 am-7:36 pm

2 stops42h 41m

$1,572

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Sorted by cheapest first

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

No data available for this route at this time. Please check back soon.

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.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Detroit 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 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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