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Siem Reap

$416+ Cheap flights from Irvine, CA to Siem Reap, Cambodia (SAI)

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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SAI
Feb 10 — Feb 171
Tue 2/10
Tue 2/17
1 adult, Economy
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Cheap flight deals from Irvine to Siem Reap

Keep the following information in mind while searching for Irvine to Siem Reap flight deals. Data was last updated January 11, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$723
(FlightHub)

One-way from

$416
(Kiwi.com)

Popular in

July

Cheapest in

August

Average price

$957
Provider with most accurate pricing for Los Angeles-Siem Reap–Angkor Intl flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Siem Reap–Angkor Intl flights.
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From Irvine to Siem Reap–Angkor Intl
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One-way flight from Irvine to Siem Reap–Angkor Intl
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Highest demand for flights based on searches. 9% potential increase in price ($101 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Irvine to Siem Reap

Cheapest flights from Irvine to Siem Reap
Explore the most affordable flight options available from Irvine to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 11, 2026.

This FlightHub deal was found by Cheapflights users on 1/10. 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.
Tue 3/3112:30 pmLAX - SAI
3 stops65h 40mChina Eastern
Mon 4/209:10 pmSAI - LAX
3 stops50h 55mChina Eastern
Deal found 1/10$723
This KAYAK deal was found by Cheapflights users on 1/11. 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 3/2312:30 pmLAX - SAI
3 stops66h 30mChina Eastern
Wed 4/19:10 pmSAI - LAX
2 stops50h 55mChina Eastern
Deal found 1/11$737
This KAYAK deal was found by Cheapflights users on 1/11. 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 3/2312:30 pmLAX - SAI
2 stops66h 30mChina Eastern
Mon 4/69:10 pmSAI - LAX
2 stops50h 55mChina Eastern
Deal found 1/11$787
This KAYAK deal was found by Cheapflights users on 1/11. 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.
Sun 3/2212:30 pmLAX - SAI
2 stops42h 30mChina Eastern
Wed 4/19:10 pmSAI - LAX
2 stops50h 55mChina Eastern
Deal found 1/11$852
This Gotogate deal was found by Cheapflights users on 1/10. 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.
Tue 3/3112:30 pmLAX - SAI
2 stops32h 20mMultiple Airlines
Mon 4/209:10 pmSAI - LAX
2 stops26h 55mMultiple Airlines
Deal found 1/10$864
This Mytrip deal was found by Cheapflights users on 1/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1012:30 pmLAX - SAI
2 stops32h 20mMultiple Airlines
Mon 4/139:10 pmSAI - LAX
2 stops26h 55mMultiple Airlines
Deal found 1/11$873
This oojo deal was found by Cheapflights users on 1/9. 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 pmLAX - SAI
1 stop27h 55mSingapore Airlines
Tue 10/274:45 pmSAI - LAX
1 stop40h 25mSingapore Airlines
Deal found 1/9$876
This KAYAK deal was found by Cheapflights users on 1/11. 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.
Sun 3/2212:30 pmLAX - SAI
2 stops42h 30mChina Eastern
Mon 4/69:10 pmSAI - LAX
2 stops50h 55mChina Eastern
Deal found 1/11$878
This KAYAK deal was found by Cheapflights users on 1/11. 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.
Wed 3/2512:30 pmLAX - SAI
2 stops66h 30mChina Eastern
Wed 4/19:10 pmSAI - LAX
2 stops50h 55mChina Eastern
Deal found 1/11$909

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irvine 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 11, 2026.
Use the filters below to find and compare flights from Irvine to Siem Reap that are best for you.

Fly from

Irvine

Fly to

Siem Reap

Route

Depart

Return

Price

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Tue 3/31

12:30 pm-8:10 pm

3 stops65h 40m

Siem Reap–Angkor Intl

Mon 4/20

9:10 pm-10:05 am

3 stops50h 55m

$723

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Sun 3/22

12:30 pm-9:00 pm

2 stops42h 30m

Siem Reap–Angkor Intl

Mon 4/6

9:10 pm-10:05 am

2 stops50h 55m

$878

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Tue 3/24

12:30 pm-9:00 pm

2 stops42h 30m

Siem Reap–Angkor Intl

Wed 4/1

9:10 pm-10:05 am

3 stops50h 55m

$918

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Tue 3/17

11:05 pm-3:55 pm

1 stop26h 50m

Siem Reap–Angkor Intl

Tue 3/31

10:30 am-9:20 pm

1 stop24h 50m

$1,004

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Wed 2/4

9:40 pm-3:55 pm

2 stops51h 15m

Siem Reap–Angkor Intl

Wed 2/11

10:45 am-12:34 am

2 stops28h 49m

$1,016

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Mon 3/23

12:30 pm-9:00 pm

3 stops66h 30m

Siem Reap–Angkor Intl

Fri 4/3

9:10 pm-10:05 am

2 stops50h 55m

$1,029

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Wed 3/25

12:30 pm-9:00 pm

3 stops66h 30m

Siem Reap–Angkor Intl

Fri 4/3

9:10 pm-10:05 am

2 stops50h 55m

$1,060

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Sat 3/21

11:50 pm-6:45 pm

2 stops28h 55m

Siem Reap–Angkor Intl

Sat 4/4

9:40 am-9:10 pm

2 stops25h 30m

$1,092

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Thu 2/12

10:35 pm-6:45 pm

2 stops29h 10m

Siem Reap–Angkor Intl

Sun 2/22

7:25 pm-6:50 am

2 stops26h 25m

$1,101

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Mon 2/23

10:50 am-6:05 pm

2 stops40h 15m

$416

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

Showing 1-10 of 15 results
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Best time to book a flight from Irvine to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Irvine 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.

Cheapflights Insights

Everything you need to know about your flight from Irvine to Siem Reap
No data available for this route at this time. Please check back soon.

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 January 11, 2026.
Read reviews from past customers who have flown Singapore Airlines from Irvine to Siem Reap. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,430 reviews

Food

7.8

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,430 reviews
Singapore Airlines
8.1
Very good
1,430 reviews

Food

7.8

Crew

8.6

Entertainment

8.0

Overall

8.1

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

Find useful and relevant information for your journey from Irvine to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Siem Reap from Irvine?

    Located just 24.7 mi from the city center, Siem Reap–Angkor Intl is the airport most travelers will use when flying to Siem Reap from Irvine. Booking flights from Irvine to Siem Reap–Angkor Intl (SAI) should be relatively easy as there are 0 daily inbound flights from Irvine from 1 airline.

  • How long is the flight from Irvine to Siem Reap?

    A quick flight from Irvine to Siem Reap can take about 26h 50m. China Eastern provides one of the quickest options available for as low as $1,004. Airlines will cover a distance of 8126 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Irvine to Siem Reap that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Irvine 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.

See more FAQs

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Top airline flying from Irvine to Siem Reap

Discover the top airline that operate flights from Irvine 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 January 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$773Average$986FlexibilityNo cancel feeOn-time81%

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