$503 Find Cheap Flights from Los Angeles to Siem Reap

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Los Angeles to Siem Reap departing on 4/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Siem Reap

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Los Angeles to Siem Reap, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Los Angeles to Siem Reap, as well as popular online travel agencies
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Flight Deals

Book Cheap Los Angeles to Siem Reap Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Los Angeles to Siem Reap that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Los Angeles to Siem Reap

Wed, Aug 12 - Wed, Aug 26
Singapore Airlines Logo
9:50 pm - 9:40 am
LAX
-
SAI
21h 50m
1 stop
Singapore Airlines Logo
10:30 am - 10:10 pm
SAI
-
LAX
25h 40m
1 stop
$611Singapore Airlines
Wed, Aug 12 - Wed, Aug 26
Singapore Airlines Logo
9:50 pm - 3:10 pm
LAX
-
SAI
27h 20m
1 stop
Singapore Airlines Logo
4:00 pm - 12:50 pm
SAI
-
LAX
34h 50m
2 stops
$623Singapore Airlines
Wed, Aug 12 - Wed, Aug 26
Singapore Airlines Logo
2:20 pm - 9:40 am
LAX
-
SAI
29h 20m
2 stops
Singapore Airlines Logo
10:30 am - 12:50 pm
SAI
-
LAX
40h 20m
2 stops
$636Singapore Airlines
Fri, Jul 31 - Mon, Aug 31
Singapore Airlines Logo
12:05 am - 3:10 pm
LAX
-
SAI
25h 05m
1 stop
Singapore Airlines Logo
10:30 am - 10:10 pm
SAI
-
LAX
25h 40m
1 stop
$650Singapore Airlines
Mon, Aug 24 - Sat, Aug 29
Singapore Airlines Logo
12:05 am - 3:10 pm
LAX
-
SAI
25h 05m
1 stop
Singapore Airlines Logo
10:30 am - 10:10 pm
SAI
-
LAX
25h 40m
1 stop
$654Singapore Airlines
Tue, Aug 25 - Sat, Aug 29
Singapore Airlines Logo
2:20 pm - 9:40 am
LAX
-
SAI
29h 20m
2 stops
Singapore Airlines Logo
10:30 am - 10:10 pm
SAI
-
LAX
25h 40m
1 stop
$666Singapore Airlines
Wed, Apr 22 - Wed, May 6
Singapore Airlines Logo
8:55 pm - 3:10 pm
LAX
-
SAI
28h 15m
1 stop
Singapore Airlines Logo
10:30 am - 9:20 pm
SAI
-
LAX
24h 50m
1 stop
$673Singapore Airlines
Wed, Apr 22 - Wed, May 6
China Eastern Logo
12:30 pm - 8:10 pm
LAX
-
SAI
41h 40m
2 stops
China Eastern Logo
9:10 pm - 10:05 am
SAI
-
LAX
50h 55m
3 stops
$677China Eastern
Sun, May 17 - Wed, Jun 10
China Eastern Logo
12:30 pm - 8:10 pm
LAX
-
SAI
65h 40m
3 stops
China Eastern Logo
9:10 pm - 10:05 am
SAI
-
LAX
50h 55m
2 stops
$784China Eastern
Tue, Aug 25 - Fri, Sep 4
China Eastern Logo
12:30 pm - 8:10 pm
LAX
-
SAI
65h 40m
2 stops
China Eastern Logo
9:10 pm - 10:05 am
SAI
-
LAX
26h 55m
2 stops
$787China Eastern
Booking Insights

KAYAK's insights & trends for Los Angeles to Siem Reap flights

Get data-powered insights and trends into flights from Los Angeles to Siem Reap to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Los Angeles to Region of Siem Reap?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Los Angeles to Region of Siem Reap departing in August.

What is the cheapest month to fly from Los Angeles to Siem Reap?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Los Angeles to Siem Reap, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Los Angeles to Siem Reap is August, when tickets cost $792 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of round-trip tickets is $1,442 and $1,250 respectively.

Find deals

Good to know

Low seasonDecember
Best time to beat the crowds but there is an average 42% increase in price.
Most popular time to fly and prices are also 4% lower on average.

FAQs - booking Siem Reap flights

  • How does KAYAK find such low prices on flights from Los Angeles to Siem Reap?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Los Angeles to Siem Reap.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Los Angeles to Siem Reap?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Los Angeles to Siem Reap is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Los Angeles to Siem Reap?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Los Angeles to Siem Reap with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Los Angeles to Siem Reap?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Los Angeles to Siem Reap up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Los Angeles to Siem Reap

 
See real verified KAYAK customer reviews for airlines flying from Los Angeles to Siem Reap. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Los Angeles to Siem Reap? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.2
Singapore AirlinesOverall score based on 1480 reviews
8.0Comfort
7.8Food
8.3Boarding
8.1Entertainment
8.6Crew
Airline reviews

They ran out of the second choice of food was stuck with fish

4.0 OkayOscar, Mar 2026
LAX - NRT
Read more Singapore Airlines reviews

They ran out of the second choice of food was stuck with fish

I wish there was a little more leg room between the seats. The recline was good and seats overall were comfortable. I also didn’t like the 2-4-2 configuration.

toilets could be cleaned more frequently, everything else was pretty good.

The flight crew was phenominal! We couldn't have asked for any better. They were experienced professionals.

Wish the underseat compartment don’t have a restriction, can fit a personal item such as backpack fully like most Boeing

I was in a middle seat where I felt a bit too cramped otherwise the trip was good

The business class seats were very uncomfortable. When in lie flat position my legs were very restricted.

Crew and service excellent. 2 hour delay for takeoff. SQ app showed flight on time.

Very good flight from Boarding to landing -efficient and comfortable with decent entertainment options

Construction at PDX resulting in very lung walk from the rental car to the gate. SFO, extremely long walk between terminals to get to connecting Singapore airlines flight. My smart watch recorded a total of 3 miles.

Everything you need to know for your flight from Los Angeles to Siem Reap

Information on your arrival and departure airports

Los Angeles (LAX)