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Cheap flights from Los Angeles to Siem Reap from $438

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Siem Reap departing on 10/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Los Angeles to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
China Eastern Logo
12:30 pm - 8:10 pmLAX  Los Angeles Los Angeles-SAI Siem Reap–Angkor Intl
41h 40m3 stops Shanghai Pu Dong Fuzhou Kunming Changshui
China Eastern Logo
9:10 pm - 10:05 amSAI  Siem Reap–Angkor Intl-LAX Los Angeles Los Angeles
50h 55m2 stops Kunming Changshui Shanghai Hongqiao Intl
$819China Eastern
Mon, Sep 21 - Wed, Sep 30
China Eastern Logo
12:30 pm - 8:10 pmLAX  Los Angeles Los Angeles-SAI Siem Reap–Angkor Intl
41h 40m2 stops Shanghai Pu Dong Kunming Changshui
China Eastern Logo
9:10 pm - 10:05 amSAI  Siem Reap–Angkor Intl-LAX Los Angeles Los Angeles
50h 55m2 stops Kunming Changshui Shanghai Hongqiao Intl
$819China Eastern
Mon, Sep 21 - Wed, Sep 30
Multiple Airlines Logo
12:30 pm - 8:10 pmLAX  Los Angeles Los Angeles-SAI Siem Reap–Angkor Intl
65h 40m3 stops Shanghai Pu Dong Yongzhou Lingling Kunming Changshui
Multiple Airlines Logo
9:50 pm - 10:05 amSAI  Siem Reap–Angkor Intl-LAX Los Angeles Los Angeles
26h 15m2 stops Phnom Penh Techo Intl Shanghai Pu Dong
$829Multiple Airlines
Tue, Aug 25 - Sat, Aug 29
Multiple Airlines Logo
11:30 am - 9:00 pmLAX  Los Angeles Los Angeles-SAI Siem Reap–Angkor Intl
42h 30m2 stops Shanghai Pu Dong Kunming Changshui
Multiple Airlines Logo
9:30 pm - 9:05 amSAI  Siem Reap–Angkor Intl-LAX Los Angeles Los Angeles
26h 35m2 stops Ho Chi Minh City Shanghai Pu Dong
$928Multiple Airlines
Sun, Nov 29 - Sun, Dec 6
Multiple Airlines Logo
11:30 am - 9:00 pmLAX  Los Angeles Los Angeles-SAI Siem Reap–Angkor Intl
42h 30m3 stops Shanghai Pu Dong Fuzhou Kunming Changshui
Multiple Airlines Logo
9:30 pm - 9:05 amSAI  Siem Reap–Angkor Intl-LAX Los Angeles Los Angeles
26h 35m2 stops Ho Chi Minh City Shanghai Pu Dong
$928Multiple Airlines
Sun, Nov 29 - Sun, Dec 6
Multiple Airlines Logo
12:30 pm - 11:15 amLAX  Los Angeles Los Angeles-SAI Siem Reap–Angkor Intl
32h 45m2 stops Shanghai Pu Dong Phnom Penh Techo Intl
Multiple Airlines Logo
7:20 pm - 10:05 amSAI  Siem Reap–Angkor Intl-LAX Los Angeles Los Angeles
28h 45m2 stops Phnom Penh Techo Intl Shanghai Pu Dong
$931Multiple Airlines
Tue, Aug 25 - Sat, Aug 29
Singapore Airlines Logo
10:05 pm - 3:55 pmLAX  Los Angeles Los Angeles-SAI Siem Reap–Angkor Intl
26h 50m1 stop Singapore Changi
Singapore Airlines Logo
10:45 am - 7:55 pmSAI  Siem Reap–Angkor Intl-LAX Los Angeles Los Angeles
24h 10m1 stop Singapore Changi
$987Singapore Airlines
Tue, Nov 24 - Sun, Dec 6
Singapore Airlines Logo
7:50 pm - 3:55 pmLAX  Los Angeles Los Angeles-SAI Siem Reap–Angkor Intl
29h 05m1 stop Singapore Changi
Singapore Airlines Logo
10:45 am - 7:55 pmSAI  Siem Reap–Angkor Intl-LAX Los Angeles Los Angeles
24h 10m1 stop Singapore Changi
$987Singapore Airlines
Sun, Jan 17 - Tue, Jan 26
Singapore Airlines Logo
7:50 pm - 3:55 pmLAX  Los Angeles Los Angeles-SAI Siem Reap–Angkor Intl
29h 05m1 stop Singapore Changi
Singapore Airlines Logo
4:45 pm - 6:10 pmSAI  Siem Reap–Angkor Intl-LAX Los Angeles Los Angeles
40h 25m1 stop Singapore Changi
$987Singapore Airlines
Sun, Jan 17 - Tue, Jan 26
Singapore Airlines Logo
10:05 pm - 3:55 pmLAX  Los Angeles Los Angeles-SAI Siem Reap–Angkor Intl
26h 50m1 stop Singapore Changi
Singapore Airlines Logo
10:45 am - 7:55 pmSAI  Siem Reap–Angkor Intl-LAX Los Angeles Los Angeles
24h 10m1 stop Singapore Changi
$987Singapore Airlines
Mon, Jan 18 - Tue, Jan 26

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Singapore Airlines flights from Los Angeles to Siem Reap

Our best Singapore Airlines deals on Los Angeles to Siem Reap flight tickets
Singapore Airlines
Nov 24
LAX10:05 pmLos Angeles Los Angeles
26h 50m
1 stop
SAI3:55 pmSiem Reap–Angkor Intl
Dec 6
SAI10:45 amSiem Reap–Angkor Intl
24h 10m
1 stop
LAX7:55 pmLos Angeles Los Angeles
$987
Singapore Airlines
Nov 24
LAX10:05 pmLos Angeles Los Angeles
26h 50m
1 stop
SAI3:55 pmSiem Reap–Angkor Intl
Dec 6
SAI10:45 amSiem Reap–Angkor Intl
24h 10m
1 stop
LAX7:55 pmLos Angeles Los Angeles
$988
Singapore Airlines
Nov 24
LAX10:05 pmLos Angeles Los Angeles
26h 55m
1 stop
SAI4:00 pmSiem Reap–Angkor Intl
Dec 6
SAI10:45 amSiem Reap–Angkor Intl
24h 10m
1 stop
LAX7:55 pmLos Angeles Los Angeles
$989

ANA flights from Los Angeles to Siem Reap

Our best ANA deals on Los Angeles to Siem Reap flight tickets
ANA
Sep 1
LAX12:45 pmLos Angeles Los Angeles
38h 25m
2 stops
SAI5:10 pmSiem Reap–Angkor Intl
Sep 8
SAI7:10 pmSiem Reap–Angkor Intl
34h 00m
2 stops
LAX3:10 pmLos Angeles Los Angeles
$1,004
ANA
Aug 12
LAX1:10 pmLos Angeles Los Angeles
38h 00m
2 stops
SAI5:10 pmSiem Reap–Angkor Intl
Sep 6
SAI7:10 pmSiem Reap–Angkor Intl
34h 00m
2 stops
LAX3:10 pmLos Angeles Los Angeles
$1,017
ANA
Aug 16
LAX10:55 amLos Angeles Los Angeles
40h 15m
2 stops
SAI5:10 pmSiem Reap–Angkor Intl
Aug 26
SAI7:10 pmSiem Reap–Angkor Intl
30h 15m
2 stops
LAX11:25 amLos Angeles Los Angeles
$1,051

momondo Fare Finder

 
Customize your flight search to find flights from Los Angeles 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, momondo users made 832,500 searches. Data last updated August 6, 2026.
Use the filters below to find and compare flights from Los Angeles to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesSiem Reap

LAX Los Angeles Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles Los Angeles

Mon 9/21

12:30 pm-8:10 pm

3 stops41h 40m

Siem Reap–Angkor Intl

Wed 9/30

9:10 pm-10:05 am

2 stops50h 55m

$819

Los AngelesSiem Reap

LAX Los Angeles Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles Los Angeles

Mon 9/21

12:30 pm-8:10 pm

2 stops41h 40m

Siem Reap–Angkor Intl

Wed 9/30

9:10 pm-10:05 am

2 stops50h 55m

$819

Los AngelesSiem Reap

LAX Los Angeles Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles Los Angeles

Tue 8/25

12:30 pm-8:10 pm

3 stops65h 40m

Siem Reap–Angkor Intl

Sat 8/29

9:50 pm-10:05 am

2 stops26h 15m

$829

Los AngelesSiem Reap

LAX Los Angeles Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles Los Angeles

Sun 11/29

11:30 am-9:00 pm

2 stops42h 30m

Siem Reap–Angkor Intl

Sun 12/6

9:30 pm-9:05 am

2 stops26h 35m

$928

Los AngelesSiem Reap

LAX Los Angeles Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles Los Angeles

Sun 11/29

11:30 am-9:00 pm

3 stops42h 30m

Siem Reap–Angkor Intl

Sun 12/6

9:30 pm-9:05 am

2 stops26h 35m

$928

Los AngelesSiem Reap

LAX Los Angeles Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles Los Angeles

Tue 8/25

12:30 pm-11:15 am

2 stops32h 45m

Siem Reap–Angkor Intl

Sat 8/29

7:20 pm-10:05 am

2 stops28h 45m

$931
Quickest round-trip

Los AngelesSiem Reap

LAX Los Angeles Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles Los Angeles

Tue 11/24

10:05 pm-3:55 pm

1 stop26h 50m

Siem Reap–Angkor Intl

Sun 12/6

10:45 am-7:55 pm

1 stop24h 10m

$987

Los AngelesSiem Reap

LAX Los Angeles Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles Los Angeles

Sun 1/17

7:50 pm-3:55 pm

1 stop29h 05m

Siem Reap–Angkor Intl

Tue 1/26

10:45 am-7:55 pm

1 stop24h 10m

$987

Los AngelesSiem Reap

LAX Los Angeles Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles Los Angeles

Sun 1/17

7:50 pm-3:55 pm

1 stop29h 05m

Siem Reap–Angkor Intl

Tue 1/26

4:45 pm-6:10 pm

1 stop40h 25m

$987

Los AngelesSiem Reap

LAX Los Angeles Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles Los Angeles

Mon 1/18

10:05 pm-3:55 pm

1 stop26h 50m

Siem Reap–Angkor Intl

Tue 1/26

10:45 am-7:55 pm

1 stop24h 10m

$987

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Siem Reap from

How to get the cheapest flight ticket from Los Angeles to Siem Reap

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Los Angeles and Siem Reap?

Prices are currently high for flights on this route.

Typical prices usually range from $627 to $679.
The lowest price recently found on this route was $819.

What is the cheapest month to fly to Siem Reap?

If you don’t want to visit Siem Reap in August, then you should wait until April to fly from Los Angeles, when ticket prices are also cheap, with an average price of $678.

When to book flights from Los Angeles to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Los Angeles to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Los Angeles to Siem Reap (LAX to SAI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Los Angeles to Siem Reap

Fastest flight time

26h 10m

Direct flights

None
The fastest flight from Los Angeles to Siem Reap takes 26h 10m
There are no direct flights from Los Angeles to Siem Reap. There are no popular flight routes from Los Angeles to Siem Reap.
Search flight deals

Frequently asked questions about flying from Los Angeles to Siem Reap

  • How far is Los Angeles to Siem Reap–Angkor Intl by plane?

    The straight-line distance from Los Angeles to Siem Reap–Angkor Intl is 8141.1 mi. By plane, this route typically takes 26h 10m.

  • When did momondo last update prices for flights from Los Angeles Los Angeles Airport to Siem Reap–Angkor Intl Airport?

    Prices for flights from Los Angeles Los Angeles Airport to Siem Reap–Angkor Intl Airport refresh daily.

  • How many operators does momondo search for flights from Los Angeles Los Angeles Airport to Siem Reap–Angkor Intl Airport?

  • How old do you have to be to fly from Los Angeles Los Angeles Airport to Siem Reap–Angkor Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Los Angeles Los Angeles Airport to Siem Reap–Angkor Intl Airport.

  • What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

    The travel and health documents you'll need for your trip to Siem Reap–Angkor Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Los Angeles to Siem Reap?

Best airlines flying from Los Angeles to Siem Reap

Compare and see reviews for airlines that fly from Los Angeles to Siem Reap with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $511Free CancellationRating
8.2
1,584 reviews
Search Singapore Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Los Angeles to Siem Reap?

It is quick and easy to find Los Angeles to Siem Reap flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Siem Reap that suits you.

Can I find flights from Los Angeles to Siem Reap with flexible booking policies on momondo?

All flight searches from Los Angeles to Siem Reap on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Los Angeles to Siem Reap?

momondo helps you find the best flight between Los Angeles and Siem Reap by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Los Angeles to Siem Reap right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Los Angeles to Siem Reap flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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