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Siem Reap

$1,516+ Cheap flights from San Diego (SAN) to Siem Reap, Cambodia (SAI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SAI
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from San Diego to Siem Reap

Cheapest flights from San Diego to Siem Reap
Explore the most affordable flight options available from San Diego to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Gotogate deal was found by Cheapflights users on 1/28. 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.
Thu 2/196:05 pm
SAN
-
SAI
2 stops27h 35m
Multiple Airlines
Wed 3/47:25 pm
SAI
-
SAN
2 stops36h 59m
Multiple Airlines
Deal found 1/28$1,516
This Booking.com deal was found by Cheapflights users on 1/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/36:05 pm
SAN
-
SAI
2 stops33h 25m
Multiple Airlines
Tue 2/107:25 pm
SAI
-
SAN
2 stops36h 59m
Multiple Airlines
Deal found 1/28$2,201

Find flight deals from San Diego to Siem Reap

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Siem Reap (SAI). 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,516
(Gotogate)
Provider with most accurate pricing for San Diego-Siem Reap–Angkor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Siem Reap–Angkor Intl flights.
Search Deals
From San Diego to Siem Reap–Angkor Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Siem Reap 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 January 29, 2026.
Use the filters below to find and compare flights from San Diego to Siem Reap that are best for you.

Fly from

San Diego

Fly to

Siem Reap

Route

Depart

Return

Price

San DiegoSiem Reap

SAN - SAI

SANSAI

San Diego

Thu 2/19

6:05 pm-12:40 pm

2 stops27h 35m

Siem Reap–Angkor Intl

Wed 3/4

7:25 pm-5:24 pm

2 stops36h 59m

$1,516

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Compare providers for flights from San Diego to Siem Reap

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Siem Reap in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Siem Reap flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Siem Reap flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Siem Reap flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Siem Reap flights, Cheapflights users trust FlightHub the most. FlightHub 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 Diego-Siem Reap 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 Diego to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from San Diego 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 Diego 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 San Diego to Siem Reap that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego 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.

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