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Siem Reap

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

LAX — SAI
Nov 7 — Nov 141
Fri 11/7
Fri 11/14
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 October 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

November

Average price

$976
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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Highest demand for flights based on searches. 14% potential increase in price ($178 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Insights

Everything you need to know about your flight from Irvine to Siem Reap

What is the cheapest time of day to fly from IR9 to SAI?

Find hourly flight availability from Irvine to Siem Reap. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 8, 2025.

A simple way to save on the total cost of your ticket is to fly from Irvine to Siem Reap in the morning. If you’re flexible enough to do this you can expect to save up to 55% on your trip compared to booking a flight at noon.

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 October 8, 2025.
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
1,377 reviews

Entertainment

8.0

Crew

8.6

Food

7.7

Overall

8.1

Comfort

8.0

Boarding

8.2

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
1,377 reviews
Singapore Airlines
8.1
Very good
1,377 reviews

Entertainment

8.0

Crew

8.6

Food

7.7

Overall

8.1

Comfort

8.0

Boarding

8.2

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.

  • 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.

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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 October 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$756Average$981FlexibilityNo cancel feeOn-time81%

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