Cheap flights from Las Vegas (LAS) to Siem Reap, Cambodia (SAI)
LAS — SAI
Jun 23 — Jun 301
1 adult, Economy
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1. Tell us where you want to go
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Best time to book a flight from Las Vegas to Siem Reap
Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Las Vegas 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 Las Vegas to Siem Reap
What is the cheapest time of day to fly from LAS to SAI?
Find hourly flight availability from Las Vegas 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 June 18, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Las Vegas to Siem Reap as you normally would.
Rainfall in Siem Reap by month
Plan your trip to Siem Reap by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 10.2 inches per month. September is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 in.
Temperature in Siem Reap by month
Plan your trip to Siem Reap by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 75.2 F).
Related info for your journey
Find useful and relevant information for your journey from Las Vegas 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
Complete your trip to Siem Reap by adding a car rental and/or hotel reservation to your travel itinerary.
Top airline flying from Las Vegas to Siem Reap
Discover the top airline that operate flights from Las Vegas 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 June 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,171 | Average$1,298 | FlexibilityNo cancel fee | On-time81% |