Cheap Flights from Detroit (DTW) to Sihanoukville (KOS)

Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to Sihanoukville (KOS)

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Cheap Flights from Detroit to Sihanoukville (DTW-KOS)

Prices were available within the past 7 days and start at for one-way flights and $2,647 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Fri, Feb 6 - Fri, Feb 13
DTW
Detroit
KOS
Sihanoukville
$2,647 Roundtrip, found 3 days ago
$2,647
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Fri, Feb 6 from Detroit to Sihanoukville, returning Fri, Feb 13, priced at $2,647 found 3 days ago
Turkish Airlines
Wed, Oct 15 - Wed, Oct 22
DTW
Detroit
KOS
Sihanoukville
$2,807 Roundtrip, found 3 days ago
$2,807
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Wed, Oct 15 from Detroit to Sihanoukville, returning Wed, Oct 22, priced at $2,807 found 3 days ago
Turkish Airlines
Fri, Feb 6 - Fri, Feb 13
DTW
Detroit
KOS
Sihanoukville
$2,832 Roundtrip, found 3 days ago
$2,832
Roundtrip
found 3 days ago
Select Turkish Airlines flight, departing Fri, Feb 6 from Detroit to Sihanoukville, returning Fri, Feb 13, priced at $2,832 found 3 days ago
Flights from Detroit (DTW) to Sihanoukville (KOS)
Origin airport
Detroit Metropolitan Wayne County
Destination airport
Sihanoukville
Roundtrip price
$2,647
Distance
8761 mi

Detroit to Sihanoukville Flights

The cheapest times to fly from Detroit to Sihanoukville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Detroit to Sihanoukville are during the month of February. You can find some of the cheapest flights from Detroit to Sihanoukville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Detroit to Sihanoukville

Sunday is one of the best days to book for cheap flights from Detroit to Sihanoukville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Detroit to Sihanoukville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Detroit to Sihanoukville in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Detroit to Sihanoukville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Detroit to Sihanoukville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Detroit Metropolitan Wayne County Airport (DTW) to Sihanoukville Airport (KOS) cost?
Snag a cheap one-way flight or cheap return flight from $2,647 from Detroit Metropolitan Wayne County Airport (DTW) to Sihanoukville Airport (KOS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Detroit Metropolitan Wayne County Airport (DTW) to Sihanoukville Airport (KOS)?
February is the cheapest month to fly from DTW to KOS. Avoiding peak travel times is often the key to finding better fares.
What is the cheapest airline that flies from Detroit Metropolitan Wayne County Airport (DTW) to Sihanoukville Airport (KOS)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest DTW to KOS flight.
How many flights per day from Detroit Metropolitan Wayne County Airport (DTW) to Sihanoukville Airport (KOS)?
There are no daily nonstop flights departing from Detroit Metropolitan Wayne County Airport (DTW) to Sihanoukville Airport (KOS). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from DTW to KOS?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Detroit Metropolitan Wayne County Airport (DTW) to Sihanoukville Airport (KOS)?
To avoid possible delays on the Detroit Metropolitan Wayne County Airport (DTW) to Sihanoukville Airport (KOS) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Detroit Metropolitan Wayne County Airport (DTW) to Sihanoukville Airport (KOS) last-minute?
Holding off until just before your trip to book your flight from DTW to KOS generally means paying more. Although you may find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule for the best chance of getting a bargain.
Is it cheaper to book a DTW to KOS flight and hotel package?
You'll generally save money by booking a DTW to KOS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal accommodations and flights, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Detroit Metropolitan Wayne County Airport (DTW) to Sihanoukville Airport (KOS)?
If you reserved your DTW to KOS flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.