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Ko Samui

$844+ Cheap flights from Detroit (DTT) 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — USM
Jun 2 — Jun 91
Tue 6/2
Tue 6/9
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 May 3, 2026.

This Turkish Airlines deal was found by Cheapflights users on 4/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:50 pm
DTW
-
USM
2 stops37h 20m
Turkish Airlines
Sun 10/410:05 am
USM
-
DTW
2 stops43h 40m
Turkish Airlines
Deal found 4/30$1,644
This Turkish Airlines deal was found by Cheapflights users on 4/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:50 pm
DTW
-
USM
2 stops27h 50m
Turkish Airlines
Mon 9/216:25 pm
USM
-
DTW
2 stops35h 20m
Turkish Airlines
Deal found 4/28$1,748
This KAYAK deal was found by Cheapflights users on 5/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:50 pm
DTW
-
USM
2 stops37h 50m
Multiple Airlines
Mon 6/86:55 pm
USM
-
DTW
3 stops56h 38m
Multiple Airlines
Deal found 5/2$1,789
This Gurufare deal was found by Cheapflights users on 5/2. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:50 pm
DTW
-
USM
2 stops37h 50m
Cathay Pacific
Mon 6/811:55 am
USM
-
DTW
2 stops37h 18m
Cathay Pacific
Deal found 5/2$1,798
This IEagle deal was found by Cheapflights users on 4/28. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:50 pm
DTW
-
USM
2 stops24h 25m
Multiple Airlines
Fri 6/59:00 pm
USM
-
DTW
2 stops32h 45m
Multiple Airlines
Deal found 4/28$1,953
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:45 am
DTW
-
USM
2 stops45h 55m
Multiple Airlines
Fri 6/1911:55 am
USM
-
DTW
2 stops61h 16m
Multiple Airlines
Deal found 4/28$2,049

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 May 3, 2026.

Round-trip from

$1,644
(Turkish Airlines)

One-way from

$844
(Kiwi.com)
From Detroit (DTT) to Ko Samui
Search Deals
One-way flight 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 May 3, 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

Mon 6/1

6:50 pm-7:40 pm

2 stops37h 50m

Ko Samui

Mon 6/8

6:55 pm-4:33 pm

3 stops56h 38m

$1,789

DetroitKo Samui

DTW - USM

DTWUSM

Detroit Metropolitan Wayne County

Mon 6/1

6:50 pm-7:40 pm

2 stops37h 50m

Ko Samui

Mon 6/8

11:55 am-2:13 pm

2 stops37h 18m

$1,798
Quickest round-trip

DetroitKo Samui

DTW - USM

DTWUSM

Detroit Metropolitan Wayne County

Fri 5/29

8:50 pm-8:15 am

2 stops24h 25m

Ko Samui

Fri 6/5

9:00 pm-6:45 pm

2 stops32h 45m

$1,953

DetroitKo Samui

DTW - USM

DTWUSM

Detroit Metropolitan Wayne County

Sun 7/19

7:26 pm-7:40 pm

2 stops37h 14m

Ko Samui

Sat 7/25

8:10 am-11:41 pm

3 stops26h 31m

$2,107

DetroitKo Samui

DTW - USM

DTWUSM

Detroit Metropolitan Wayne County

Fri 6/12

5:29 pm-11:40 am

3 stops31h 11m

Ko Samui

Fri 6/19

8:35 pm-8:26 pm

3 stops34h 51m

$2,230

DetroitKo Samui

DTW - USM

DTWUSM

Detroit Metropolitan Wayne County

Sun 7/19

7:26 pm-7:40 pm

2 stops37h 14m

Ko Samui

Sat 7/25

11:55 am-6:10 pm

2 stops41h 15m

$2,238

DetroitKo Samui

DTW - USM

DTWUSM

Detroit Metropolitan Wayne County

Fri 6/12

8:50 pm-10:45 am

2 stops26h 55m

Ko Samui

Fri 6/19

5:50 pm-6:04 am

3 stops47h 14m

$2,251

DetroitKo Samui

DTW - USM

DTWUSM

Detroit Metropolitan Wayne County

Sun 7/19

2:46 pm-10:45 am

3 stops32h 59m

Ko Samui

Sat 7/25

3:20 pm-3:01 pm

3 stops34h 41m

$2,961
Cheapest one-way
Quickest one-way

DetroitKo Samui

DTW - USM

DTWUSM

Detroit Metropolitan Wayne County

Wed 8/12

6:50 am-5:20 pm

3 stops47h 30m

$844

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

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.

  • How long is the flight from Detroit to Ko Samui?

    For as low as $1,798, Cathay Pacific can have you in Ko Samui from Detroit in 37h 50m. The distance from Detroit to Ko Samui is about 8847 mi.

  • 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.

See more FAQs

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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