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Siem Reap

Cheap flights from California to Siem Reap

LAX — SAI
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from California to Siem Reap

Keep the following information in mind while searching for California to Siem Reap flight deals. Data was last updated October 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Popular in

June

Cheapest in

November

Average price

$976
Provider with most accurate pricing for Los Angeles-Siem Reap–Angkor Intl flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Siem Reap–Angkor Intl flights.
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Highest demand for flights based on searches. 16% potential increase in price ($191 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Insights

Everything you need to know about your flight from California to Siem Reap

What is the cheapest month to book a flight from California to Region of Siem Reap?

Currently, January is the cheapest month in which you can book a flight from California to Region of Siem Reap (average of $586). Flying from California to Region of Siem Reap in June is currently the most expensive (average of $1,257). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CA to SI?

Find hourly flight availability from California to Siem Reap. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from California to Region of Siem Reap in the morning. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Siem Reap

Get insights into the airlines that provide service to Siem Reap. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siem Reap. Reviews last updated October 30, 2025.
Read through reviews of airlines operating flights from California to Siem Reap, such as Singapore Airlines and Vietnam Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,388 reviews

Comfort

8.0

Food

7.7

Entertainment

8.0

Boarding

8.3

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Singapore Airlines
8.1
Very good
1,388 reviews
Singapore Airlines
8.1
Very good
1,388 reviews

Comfort

8.0

Food

7.7

Entertainment

8.0

Boarding

8.3

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Vietnam Airlines
7.5
Good
210 reviews
Singapore Airlines
8.1
Very good
1,388 reviews

Comfort

8.0

Food

7.7

Entertainment

8.0

Boarding

8.3

Overall

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Related info for your journey

Find useful and relevant information for your journey from California to Siem Reap. 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 California to Siem Reap that include hotel bookings?

    Yes. In addition to deals on California to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to Siem Reap?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Siem Reap.

  • Can I find deals for business class flights from California to Siem Reap?

    Yes. Cheapflights offers flight deals from California to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from California to Region of Siem Reap?

    Currently, January is the cheapest month in which you can book a flight from California to Region of Siem Reap (average of $586). Flying from California to Region of Siem Reap in June is currently the most expensive (average of $1,257). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for California to Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from California to Siem Reap

Discover the top 2 airlines that operate flights from California to Siem Reap. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$628Average$871FlexibilityNo cancel feeOn-time81%
Vietnam AirlinesCheapest$756Average$1,022FlexibilityNo cancel feeOn-time81%

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