$583+ Cheap flights from Los Angeles (LAX) to Siem Reap
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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SAI
May 8 — May 151
Round-trip
1 adult, Economy
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Find cheap flights from Los Angeles to Siem Reap with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Best
Last-minute
One-way
Cheapest flights from Los Angeles to Siem ReapExplore the most affordable flight options available from Los Angeles to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 8, 2026.
Explore the most affordable flight options available from Los Angeles to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 8, 2026.
This Booking.com deal was found by Cheapflights users on 4/5. 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.
Wed 4/2212:30 pm
LAX
- SAI
2 stops32h 45m
Multiple Airlines
Wed 5/2010:35 pm
SAI
- LAX
2 stops25h 30m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$923
This oojo deal was found by Cheapflights users on 4/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:15 pm
LAX
- SAI
1 stop22h 25m
Singapore Airlines
Tue 10/274:45 pm
SAI
- LAX
1 stop40h 25m
Singapore Airlines
Deal found 4/6![Singapore Airlines logo]()
$970
This oojo deal was found by Cheapflights users on 4/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:30 pm
LAX
- SAI
1 stop25h 40m
Multiple Airlines
Tue 10/274:45 pm
SAI
- LAX
2 stops33h 51m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$981
This oojo deal was found by Cheapflights users on 4/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:20 pm
LAX
- SAI
2 stops34h 50m
Singapore Airlines
Fri 10/2310:30 am
SAI
- LAX
1 stop25h 20m
Singapore Airlines
Deal found 4/7![Singapore Airlines logo]()
$982
This Booking.com deal was found by Cheapflights users on 4/4. 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.
Mon 4/2012:25 am
LAX
- SAI
2 stops28h 20m
Multiple Airlines
Wed 5/209:45 am
SAI
- LAX
2 stops26h 15m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$994
This KAYAK deal was found by Cheapflights users on 4/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:10 am
LAX
- SAI
2 stops31h 05m
Multiple Airlines
Thu 11/269:55 am
SAI
- LAX
2 stops24h 30m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$1,010
This oojo deal was found by Cheapflights users on 4/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:05 pm
LAX
- SAI
1 stop26h 50m
Singapore Airlines
Sat 11/2810:45 am
SAI
- LAX
1 stop24h 10m
Singapore Airlines
Deal found 4/4![Singapore Airlines logo]()
$1,014
This KAYAK deal was found by Cheapflights users on 4/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:25 am
LAX
- SAI
2 stops27h 20m
Multiple Airlines
Mon 8/3112:55 pm
SAI
- LAX
2 stops23h 40m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,018
Best flights from Los Angeles to Siem ReapDiscover carefully curated flight deals from Los Angeles to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 8, 2026.
Discover carefully curated flight deals from Los Angeles to Siem Reap that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 8, 2026.
This Ovago deal was found by Cheapflights users on 4/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:55 am
LAX
- SAI
1 stop40h 25m
Multiple Airlines
Sat 5/97:10 pm
SAI
- LAX
1 stop29h 45m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$1,175
This Vietnam Airlines deal was found by Cheapflights users on 4/6. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:05 am
LAX
- SAI
2 stops31h 50m
Vietnam Airlines
Sat 6/1310:35 pm
SAI
- LAX
2 stops36h 10m
Vietnam Airlines
Deal found 4/6![Vietnam Airlines logo]()
$1,681
This Emirates deal was found by Cheapflights users on 4/3. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/94:40 pm
LAX
- SAI
2 stops29h 40m
Emirates
Thu 5/2811:50 pm
SAI
- LAX
3 stops37h 05m
Emirates
Deal found 4/3![Emirates logo]()
$1,688
This Qatar Airways deal was found by Cheapflights users on 4/3. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:57 pm
LAX
- SAI
3 stops52h 23m
Qatar Airways
Fri 5/297:30 pm
SAI
- LAX
3 stops38h 51m
Qatar Airways
Deal found 4/3![Qatar Airways logo]()
$1,712
This Qatar Airways deal was found by Cheapflights users on 4/3. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:57 pm
LAX
- SAI
3 stops52h 23m
Qatar Airways
Tue 5/267:30 pm
SAI
- LAX
3 stops40h 32m
Qatar Airways
Deal found 4/3![Qatar Airways logo]()
$1,757
This Emirates deal was found by Cheapflights users on 4/6. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/244:40 pm
LAX
- SAI
2 stops38h 50m
Emirates
Thu 6/1111:50 pm
SAI
- LAX
2 stops28h 25m
Emirates
Deal found 4/6![Emirates logo]()
$1,760
This Emirates deal was found by Cheapflights users on 4/6. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/244:40 pm
LAX
- SAI
2 stops38h 50m
Emirates
Wed 6/101:05 pm
SAI
- LAX
2 stops39h 10m
Emirates
Deal found 4/6![Emirates logo]()
$1,761
Last-minute flights from Los Angeles to Siem ReapDiscover last-minute flight deals from Los Angeles to Siem Reap. Data last updated April 8, 2026 and is based on user searches.
Discover last-minute flight deals from Los Angeles to Siem Reap. Data last updated April 8, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 4/4. 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.
Mon 4/2012:25 am
LAX
- SAI
2 stops28h 20m
Multiple Airlines
Wed 5/209:45 am
SAI
- LAX
2 stops26h 15m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$994
This Booking.com deal was found by Cheapflights users on 4/5. 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.
Wed 4/2212:30 pm
LAX
- SAI
2 stops32h 45m
Multiple Airlines
Wed 5/2010:35 pm
SAI
- LAX
2 stops25h 30m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$923
This KAYAK deal was found by Cheapflights users on 4/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:55 am
LAX
- SAI
2 stops31h 10m
Multiple Airlines
Sat 5/97:45 pm
SAI
- LAX
2 stops29h 10m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$1,105
This FlightHub deal was found by Cheapflights users on 4/6. 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 5/912:15 am
LAX
- SAI
2 stops28h 50m
Multiple Airlines
Sun 5/317:45 pm
SAI
- LAX
2 stops39h 15m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,138
This FlightHub deal was found by Cheapflights users on 4/3. 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 5/911:50 am
LAX
- SAI
2 stops31h 15m
Multiple Airlines
Wed 5/277:45 pm
SAI
- LAX
2 stops25h 25m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$1,139
This BusinessClass deal was found by Cheapflights users on 4/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1012:30 pm
LAX
- SAI
2 stops32h 45m
Multiple Airlines
Thu 5/286:55 pm
SAI
- LAX
2 stops29h 10m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,135
One-way flights from Los Angeles to Siem ReapSearch for one-way flight options from Los Angeles to Siem Reap. Find affordable one-way fares based on user searches. Data last updated April 8, 2026.
Search for one-way flight options from Los Angeles to Siem Reap. Find affordable one-way fares based on user searches. Data last updated April 8, 2026.
This Justfly.com deal was found by Cheapflights users on 4/3. 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.
Wed 5/611:50 am
LAX
- SAI
2 stops31h 15m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$583
This FlightHub deal was found by Cheapflights users on 4/3. 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 4/2511:40 am
LAX
- SAI
2 stops31h 25m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$621
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Fri 7/1010:40 am
LAX
- SAI
2 stops32h 20m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$662
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Fri 7/3112:05 am
LAX
- SAI
1 stop25h 05m
Singapore Airlines
Deal found 4/4![Singapore Airlines logo]()
$709
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Sun 5/3111:55 pm
LAX
- SAI
3 stops43h 20m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$787
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Tue 5/2611:55 pm
LAX
- SAI
3 stops45h 15m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$800
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 6/611:55 pm
LAX
- SAI
3 stops45h 15m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$802
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Mon 5/2511:55 pm
LAX
- SAI
3 stops45h 15m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$803
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Sun 5/2412:10 pm
LAX
- SAI
3 stops38h 00m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$812
Find flight deals from Los Angeles to Siem Reap
Keep the following information in mind while searching for Los Angeles to Siem Reap flight deals. Data was last updated April 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $923 (Booking.com) |
One-way from | $583 (Justfly.com) |
Popular in | June |
Cheapest in | April |
Average price | $678 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 8, 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
Cheapest round-trip
Los AngelesSiem Reap
LAX - SAI
LAXSAI
Los Angeles
Sat 5/2
11:55 am-6:20 pm
1 stop40h 25m
Siem Reap–Angkor Intl
Sat 5/9
7:10 pm-10:55 am
1 stop29h 45m
$1,175
Los AngelesSiem Reap
LAX - SAI
LAXSAI
Los Angeles
Mon 5/25
12:05 am-9:55 pm
2 stops31h 50m
Siem Reap–Angkor Intl
Sat 6/13
10:35 pm-8:45 pm
2 stops36h 10m
$1,681
Quickest round-trip
Los AngelesSiem Reap
LAX - SAI
LAXSAI
Los Angeles
Sat 5/9
4:40 pm-12:20 pm
2 stops29h 40m
Siem Reap–Angkor Intl
Thu 5/28
11:50 pm-10:55 pm
3 stops37h 05m
$1,688
Los AngelesSiem Reap
LAX - SAI
LAXSAI
Los Angeles
Sun 5/10
5:57 pm-12:20 pm
3 stops52h 23m
Siem Reap–Angkor Intl
Fri 5/29
7:30 pm-8:21 pm
3 stops38h 51m
$1,712
Los AngelesSiem Reap
LAX - SAI
LAXSAI
Los Angeles
Sun 5/10
5:57 pm-12:20 pm
3 stops52h 23m
Siem Reap–Angkor Intl
Tue 5/26
7:30 pm-10:02 pm
3 stops40h 32m
$1,757
Los AngelesSiem Reap
LAX - SAI
LAXSAI
Los Angeles
Sun 5/24
4:40 pm-9:30 pm
2 stops38h 50m
Siem Reap–Angkor Intl
Thu 6/11
11:50 pm-2:15 pm
2 stops28h 25m
$1,760
Los AngelesSiem Reap
LAX - SAI
LAXSAI
Los Angeles
Sun 5/24
4:40 pm-9:30 pm
2 stops38h 50m
Siem Reap–Angkor Intl
Wed 6/10
1:05 pm-2:15 pm
2 stops39h 10m
$1,761
Cheapest one-way
Los AngelesSiem Reap
LAX - SAI
LAXSAI
Los Angeles
Wed 5/6
11:50 am-12:20 pm
2 stops34h 30m
$583
Los AngelesSiem Reap
LAX - SAI
LAXSAI
Los Angeles
Sat 4/25
11:40 am-9:05 am
2 stops31h 25m
$621
Quickest one-way
Los AngelesSiem Reap
LAX - SAI
LAXSAI
Los Angeles
Fri 7/31
12:05 am-3:10 pm
1 stop25h 05m
$709
Showing 1-10 of 13 resultsSorted by cheapest first
Best time to book a flight from Los Angeles to Siem Reap
Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Los Angeles with our price prediction graph.
LAX-SAI
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.
Cheapflights Insights
Everything you need to know about your flight from Los Angeles to Siem Reap
LAX-KHSI
LAX-SAI
What is the cheapest month to book a flight from Los Angeles to Region of Siem Reap?
Currently, April is the cheapest month in which you can book a flight from Los Angeles to Region of Siem Reap (average of $360). Flying from Los Angeles to Region of Siem Reap in December is currently the most expensive (average of $1,442). 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.
How much does it cost to fly round-trip from Los Angeles to Region of Siem Reap?
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 April 8, 2026.
Get a feel of what it's like to fly with Singapore Airlines from Los Angeles to Siem Reap by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
8.0
Overall
8.2
Food
7.8
Comfort
8.0
Boarding
8.3
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
BCN - SIN
Entertainment
8.0
Overall
8.2
Food
7.8
Comfort
8.0
Boarding
8.3
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
BCN - SIN
Related info for your journey
Find useful and relevant information for your journey from Los Angeles to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Los Angeles and Siem Reap flights
Browse other Los Angeles and Siem Reap flight options. Last updated on April 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Los Angeles to Siem Reap
Discover the top airline that operate flights from Los Angeles 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 April 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$631 | Average$967 | FlexibilityNo cancel fee | On-time81% |