Q: E

Most accurate provider : When it comes to deals on Vientiane-Siem Reap flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Vientiane-Siem Reap flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Vientiane-Siem Reap flight searches over the past month and is updated monthly.

Q: E

Most trusted provider : When it comes to deals on Vientiane-Siem Reap flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Vientiane-Siem Reap flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Question 1

E

Accepted Answer

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.

Question 2

E

Accepted Answer

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).

Question 3

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

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Vientiane to Siem Reap as you normally would.

Question 4

E

Accepted Answer

Most accurate provider: When it comes to deals on Vientiane-Siem Reap flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Vientiane-Siem Reap flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Vientiane-Siem Reap flight searches over the past month and is updated monthly.

Question 5

E

Accepted Answer

Most trusted provider: When it comes to deals on Vientiane-Siem Reap flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Vientiane-Siem Reap flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Question 6

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

Accepted Answer

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

Question 7

How can I find direct flights from Vientiane to Siem Reap?

Accepted Answer

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

Question 8

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

Accepted Answer

Yes. Cheapflights offers flight deals from Vientiane 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.

Find cheap flights from Vientiane to Siem Reap with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Vientiane to Siem Reap

Most accurate provider

Most trusted provider

Best time to book a flight from Vientiane to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Vientiane with our price prediction graph.

Reviews of airlines servicing Siem Reap

See what other customers who have flown with Vietnam Airlines from Vientiane to Siem Reap have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

How can I find direct flights from Vientiane to Siem Reap?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Siem Reap by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Vientiane to Siem Reap by cabin class

Find flights from Vientiane to Siem Reap, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Vientiane and Siem Reap flights

Browse other Vientiane and Siem Reap flight options. Last updated on January 28, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top airline flying from Vientiane to Siem Reap

100% Free

Book with Flexibility

Travel Smart

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars

Cheap flights from Vientiane (VTE) to Siem Reap, Cambodia (SAI)

Find cheap flights from Vientiane to Siem Reap with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Vientiane to Siem Reap

Most accurate provider

Most trusted provider

Best time to book a flight from Vientiane to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Vientiane with our price prediction graph.

Reviews of airlines servicing Siem Reap

See what other customers who have flown with Vietnam Airlines from Vientiane to Siem Reap have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

How can I find direct flights from Vientiane to Siem Reap?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Vientiane to Siem Reap

100% Free

Book with Flexibility

Travel Smart