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Flights from Los Angeles to Siem Reap

Find flight deals from Los Angeles to Siem Reap for the next 3 months. Book one way flights from $534 or round trip flights from $1,247.

      • LAX 12:05 AM
        25h 5m
        1 stop
        SAI 3:10 PM
        Los Angeles - Siem Reap | Thu, Aug 27 | Singapore Airlines
        SAI 10:30 AM
        25h 20m
        1 stop
        LAX 9:50 PM
        Siem Reap - Los Angeles | Thu, Sep 3 | Singapore Airlines
        $1,247 $2,328
        46% off
        46% off
        $2,328 $1,247
      • LAX 12:05 AM
        25h 5m
        1 stop
        SAI 3:10 PM
        Los Angeles - Siem Reap | Thu, Aug 13 | Singapore Airlines
        SAI 4:00 PM
        20h 10m
        1 stop
        LAX 10:10 PM
        Siem Reap - Los Angeles | Wed, Aug 19 | Singapore Airlines
        $1,331 $2,328
        43% off
        43% off
        $2,328 $1,331
      • LAX 9:15 PM
        27h 55m
        1 stop
        SAI 3:10 PM
        Los Angeles - Siem Reap | Fri, Sep 11 | Singapore Airlines
        SAI 10:30 AM
        25h 20m
        1 stop
        LAX 9:50 PM
        Siem Reap - Los Angeles | Thu, Sep 17 | Singapore Airlines
        $1,336 $2,328
        43% off
        43% off
        $2,328 $1,336
      • LAX 12:05 AM
        25h 5m
        1 stop
        SAI 3:10 PM
        Los Angeles - Siem Reap | Tue, Aug 18 | Singapore Airlines
        SAI 10:30 AM
        25h 40m
        1 stop
        LAX 10:10 PM
        Siem Reap - Los Angeles | Tue, Aug 25 | Singapore Airlines
        $1,336
        43% off
        $2,328 $1,336
      • LAX 12:05 AM
        25h 5m
        1 stop
        SAI 3:10 PM
        Los Angeles - Siem Reap | Thu, Aug 6 | Singapore Airlines
        SAI 4:00 PM
        20h 10m
        1 stop
        LAX 10:10 PM
        Siem Reap - Los Angeles | Wed, Aug 12 | Singapore Airlines
        $1,458
        37% off
        $2,328 $1,458
      • LAX 4:40 PM
        38h 50m
        1 stop
        SAI 9:30 PM
        Los Angeles - Siem Reap | Tue, Aug 18 | Emirates
        SAI 11:50 PM
        28h 25m
        1 stop
        LAX 2:15 PM
        Siem Reap - Los Angeles | Tue, Aug 25 | Emirates
        $1,498
        36% off
        $2,328 $1,498
      • LAX 4:40 PM
        38h 50m
        1 stop
        SAI 9:30 PM
        Los Angeles - Siem Reap | Thu, Aug 27 | Emirates
        SAI 11:50 PM
        28h 25m
        1 stop
        LAX 2:15 PM
        Siem Reap - Los Angeles | Thu, Sep 3 | Emirates
        $1,525
        34% off
        $2,328 $1,525
      • LAX 2:20 PM
        29h 20m
        1 stop
        SAI 9:40 AM
        Los Angeles - Siem Reap | Mon, Aug 10 | Singapore Airlines
        SAI 10:30 AM
        25h 40m
        1 stop
        LAX 10:10 PM
        Siem Reap - Los Angeles | Sun, Aug 16 | Singapore Airlines
        $1,544
        34% off
        $2,328 $1,544
      • LAX 12:05 AM
        25h 5m
        1 stop
        SAI 3:10 PM
        Los Angeles - Siem Reap | Sat, Aug 8 | Singapore Airlines
        SAI 10:30 AM
        23h 25m
        1 stop
        LAX 7:55 PM
        Siem Reap - Los Angeles | Fri, Aug 14 | Singapore Airlines
        $1,587
        32% off
        $2,328 $1,587
      • LAX 12:05 AM
        25h 5m
        1 stop
        SAI 3:10 PM
        Los Angeles - Siem Reap | Tue, Aug 11 | Singapore Airlines
        SAI 10:30 AM
        25h 40m
        1 stop
        LAX 10:10 PM
        Siem Reap - Los Angeles | Mon, Aug 17 | Singapore Airlines
        $1,629
        30% off
        $2,328 $1,629
      • LAX 1:00 PM
        17h 25m
        1 stop
        SAI 2:00 PM
        Los Angeles - Siem Reap | Tue, Jul 21 | Normal Airline
        SAI 3:00 PM
        6h
        Nonstop
        LAX 4:00 PM
        Siem Reap - Los Angeles | Thu, Jul 23 | Normal Airline
        Find more flights
        Find more flights
      • LAX 11:45 PM
        22h 30m
        1 stop
        SAI 12:15 PM
        Los Angeles - Siem Reap | Thu, Sep 10 | United Airlines
        $534 $906
        41% off
        41% off
        $906 $534
      • LAX 11:55 PM
        29h
        1 stop
        SAI 6:55 PM
        Los Angeles - Siem Reap | Tue, Aug 11 | United Airlines
        $537 $906
        41% off
        41% off
        $906 $537
      • LAX 11:55 PM
        29h
        1 stop
        SAI 6:55 PM
        Los Angeles - Siem Reap | Fri, Sep 4 | United Airlines
        $547 $906
        40% off
        40% off
        $906 $547
      • LAX 11:45 PM
        22h 30m
        1 stop
        SAI 12:15 PM
        Los Angeles - Siem Reap | Fri, Sep 11 | United Airlines
        $561
        38% off
        $906 $561
      • LAX 11:45 PM
        29h 10m
        1 stop
        SAI 6:55 PM
        Los Angeles - Siem Reap | Wed, Sep 9 | United Airlines
        $561
        38% off
        $906 $561
      • LAX 11:55 PM
        29h
        1 stop
        SAI 6:55 PM
        Los Angeles - Siem Reap | Wed, Aug 26 | United Airlines
        $567
        37% off
        $906 $567
      • LAX 11:55 PM
        22h 20m
        1 stop
        SAI 12:15 PM
        Los Angeles - Siem Reap | Sat, Sep 5 | United Airlines
        $622
        31% off
        $906 $622
      • LAX 11:55 PM
        22h 20m
        1 stop
        SAI 12:15 PM
        Los Angeles - Siem Reap | Thu, Aug 27 | United Airlines
        $627
        31% off
        $906 $627
      • LAX 11:45 PM
        22h 30m
        1 stop
        SAI 12:15 PM
        Los Angeles - Siem Reap | Sat, Sep 12 | United Airlines
        $628
        31% off
        $906 $628
      • LAX 11:30 PM
        25h 40m
        1 stop
        SAI 3:10 PM
        Los Angeles - Siem Reap | Thu, Sep 3 | Singapore Airlines
        $634
        30% off
        $906 $634
      • LAX 1:00 PM
        17h 25m
        1 stop
        SAI 2:00 PM
        Los Angeles - Siem Reap | Tue, Jul 21 | Normal Airline
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        Find more flights

Find cheap airlines flights from Los Angeles to Siem Reap

You can choose from 2 airlines that fly from Los Angeles to Siem Reap, including Singapore Airlines, United Airlines, United Airlines has lowest fares on this route.
Singapore Airlines logo Singapore Airlines
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from Los Angeles to Siem Reap according to previous 12 months data from Trip.com.

Flight Info | Los Angeles to Siem Reap

The distance between Los Angeles and Siem Reap is approximately 13,112.47 km.

Cheapest one-way flight price$534
Cheapest round-trip ticket price$1,247
Flight distance13,112.47 km
Popular airlineSingapore Airlines
Flight statistics for the Los Angeles–Siem Reap route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Los Angeles to Siem Reap (LAX-SAI)?

    Based on Trip.com data, United Airlines offers one-way fares as low as $534 on Cheapest nonstop routes (e.g. LAX to SAI on Thu, Sep 10), while Singapore Airlines offers Cheapest nonstop round-trips from $1,247 departing on Thu, Aug 27 and returning on Thu, Sep 3.
  • At the moment, several airlines serve connecting flights from Los Angeles to Siem Reap, including: Singapore Airlines United Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Los Angeles to Siem Reap is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Los Angeles to Siem Reap, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Sep 10, with one-way flights priced at just $534.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Get exclusive promo codes for Trip.com app users.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Los Angeles to Siem Reap on July 26, 2026 with Emirates, with prices starting at $1,878.
  • You can land at any one of the following hubs in Siem Reap, with Los Angeles International Airport to Siem Reap Angkor International Airport (LAX-SAI) is by far the most common option on this route: Siem Reap Angkor International Airport (SAI).
  • The time difference between Siem Reap and Los Angeles is 15h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.