Cheap Flights from San Diego (SAN) to Sihanoukville (KOS)

Popular airlines from San Diego Intl. Airport (SAN) to Sihanoukville (KOS)

Cheap Flights from San Diego to Sihanoukville (SAN-KOS)

Prices were available within the past 7 days and start at for one-way flights and $1,727 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Oct 16 - Sun, Oct 19
SAN
San Diego
KOS
Sihanoukville
$1,727 Roundtrip, found 1 day ago
$1,727
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Oct 16 from San Diego to Sihanoukville, returning Sun, Oct 19, priced at $1,727 found 1 day ago
Flights from San Diego (SAN) to Sihanoukville (KOS)
Origin airport
San Diego Intl.
Destination airport
Sihanoukville
Roundtrip price
$1,726
Distance
8412 mi

San Diego to Sihanoukville Flights

The cheapest times to fly from San Diego 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 San Diego to Sihanoukville are during the month of October. You can find some of the cheapest flights from San Diego to Sihanoukville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Sihanoukville

Sunday is one of the best days to book for cheap flights from San Diego 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 San Diego 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 San Diego 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 San Diego 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 San Diego 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 San Diego Intl. Airport (SAN) to Sihanoukville Airport (KOS) cost?
Get a cheap one-way flight or cheap return flight from $1,727 from San Diego Intl. Airport (SAN) 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 San Diego Intl. Airport (SAN) to Sihanoukville Airport (KOS)?
Planning your trip for October can help you save, as it's the cheapest month for flights between SAN and KOS. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from San Diego Intl. Airport (SAN) to Sihanoukville Airport (KOS)?
To find the cheapest airline that'll fly you from SAN to KOS, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from San Diego Intl. Airport (SAN) to Sihanoukville Airport (KOS)?
You'll need to take a flight with a layover when traveling from San Diego Intl. Airport (SAN) to Sihanoukville Airport (KOS). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from SAN to KOS?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego Intl. Airport (SAN) to Sihanoukville Airport (KOS)?
Choose a flight from San Diego Intl. Airport (SAN) to Sihanoukville Airport (KOS) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**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 San Diego Intl. Airport (SAN) to Sihanoukville Airport (KOS) last-minute?
Waiting until just before your departure to book your flight from SAN to KOS generally means paying more. While you may come across some last-minute deals, they're not always guaranteed. Be flexible with your itinerary for a better chance of snagging a bargain.
Is it cheaper to book a SAN to KOS flight and hotel package?
Booking a SAN to KOS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our impressive range of hotels and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Sihanoukville Airport (KOS)?
If you booked your SAN to KOS flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.