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Krong Preah Sihanouk

$898+ Cheap flights from San Francisco (SFO) to Krong Preah Sihanouk (KOS)

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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — KOS
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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Cheap flight deals from San Francisco to Krong Preah Sihanouk

Cheapest flights from San Francisco to Krong Preah Sihanouk
Explore the most affordable flight options available from San Francisco to Krong Preah Sihanouk. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.

This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2912:30 pm
SFO
-
KOS
2 stops30h 45m
Multiple Airlines
Tue 7/77:15 am
KOS
-
SFO
2 stops38h 05m
Multiple Airlines
Deal found 4/29$1,805
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2712:30 pm
SFO
-
KOS
2 stops41h 10m
Multiple Airlines
Tue 7/77:15 am
KOS
-
SFO
2 stops38h 05m
Multiple Airlines
Deal found 4/29$1,843
This Justfly.com deal was found by Cheapflights users on 4/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2912:30 pm
SFO
-
KOS
2 stops30h 45m
Multiple Airlines
Sun 7/59:50 am
KOS
-
SFO
2 stops35h 30m
Multiple Airlines
Deal found 4/29$1,865
This Justfly.com deal was found by Cheapflights users on 4/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2712:50 am
SFO
-
KOS
2 stops28h 50m
Multiple Airlines
Sun 7/59:50 am
KOS
-
SFO
2 stops35h 30m
Multiple Airlines
Deal found 4/29$1,903
This Justfly.com deal was found by Cheapflights users on 4/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2712:30 pm
SFO
-
KOS
2 stops41h 10m
Multiple Airlines
Sat 7/49:50 am
KOS
-
SFO
2 stops35h 30m
Multiple Airlines
Deal found 4/29$1,941
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2710:50 pm
SFO
-
KOS
1 stop30h 50m
Multiple Airlines
Wed 7/89:50 am
KOS
-
SFO
2 stops24h 40m
Multiple Airlines
Deal found 4/29$2,066
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2710:50 pm
SFO
-
KOS
1 stop30h 50m
Multiple Airlines
Fri 7/37:15 am
KOS
-
SFO
2 stops23h 20m
Multiple Airlines
Deal found 4/29$2,121
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2710:50 pm
SFO
-
KOS
1 stop30h 50m
Multiple Airlines
Mon 7/61:30 pm
KOS
-
SFO
3 stops31h 30m
Multiple Airlines
Deal found 4/29$2,147
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2710:50 pm
SFO
-
KOS
1 stop30h 50m
Multiple Airlines
Sun 7/51:30 pm
KOS
-
SFO
3 stops31h 30m
Multiple Airlines
Deal found 4/29$2,155
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2710:50 pm
SFO
-
KOS
1 stop30h 50m
Multiple Airlines
Thu 7/912:15 pm
KOS
-
SFO
3 stops32h 45m
Multiple Airlines
Deal found 4/29$2,210

Find flight deals from San Francisco to Krong Preah Sihanouk

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Krong Preah Sihanouk (KOS). 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 April 30, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,614
(Trip.com)

One-way from

$898
(oojo)
Provider with most accurate pricing for San Francisco-Krong Preah Sihanouk Sihanoukville flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Krong Preah Sihanouk Sihanoukville flights.
Search Deals
From San Francisco to Krong Preah Sihanouk Sihanoukville
Search Deals
One-way flight from San Francisco to Krong Preah Sihanouk Sihanoukville
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Krong Preah Sihanouk 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 April 30, 2026.
Use the filters below to find and compare flights from San Francisco to Krong Preah Sihanouk that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoKrong Preah Sihanouk

SFO - KOS

SFOKOS

San Francisco

Sat 6/27

12:50 am-7:40 pm

2 stops28h 50m

Krong Preah Sihanouk Sihanoukville

Sun 7/5

9:50 am-7:20 am

2 stops35h 30m

$1,903

San FranciscoKrong Preah Sihanouk

SFO - KOS

SFOKOS

San Francisco

Sat 6/27

10:50 pm-7:40 pm

1 stop30h 50m

Krong Preah Sihanouk Sihanoukville

Fri 7/3

1:30 pm-7:00 am

3 stops31h 30m

$2,252

San FranciscoKrong Preah Sihanouk

SFO - KOS

SFOKOS

San Francisco

Sat 6/27

10:50 pm-7:40 pm

1 stop30h 50m

Krong Preah Sihanouk Sihanoukville

Sat 7/4

9:50 am-5:55 pm

1 stop22h 05m

$2,331
Quickest round-trip

San FranciscoKrong Preah Sihanouk

SFO - KOS

SFOKOS

San Francisco

Fri 6/26

4:45 pm-1:00 pm

2 stops30h 15m

Krong Preah Sihanouk Sihanoukville

Sat 7/4

9:50 am-5:55 pm

1 stop22h 05m

$2,613
Cheapest one-way
Quickest one-way

San FranciscoKrong Preah Sihanouk

SFO - KOS

SFOKOS

San Francisco

Sat 6/20

3:55 pm-7:40 pm

2 stops37h 45m

$898

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on San Francisco-Krong Preah Sihanouk flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Francisco-Krong Preah Sihanouk flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from San Francisco-Krong Preah Sihanouk flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Krong Preah Sihanouk flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Krong Preah Sihanouk flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Francisco to Krong Preah Sihanouk

Have a flexible travel schedule? Discover the best time to fly to Krong Preah Sihanouk from San Francisco 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.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Krong Preah Sihanouk. 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 San Francisco to Krong Preah Sihanouk that include hotel bookings?

    Yes. In addition to deals on San Francisco to Krong Preah Sihanouk flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Krong Preah Sihanouk?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Krong Preah Sihanouk.

  • Can I find deals for business class flights from San Francisco to Krong Preah Sihanouk?

    Yes. Cheapflights offers flight deals from San Francisco to Krong Preah Sihanouk 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 Krong Preah Sihanouk?

Book flights to Krong Preah Sihanouk if you plan to visit one of these locations
Kampot

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