How long is the flight from Vientiane to Siem Reap?

Airlines like Vietnam Airlines fly from Vientiane to Siem Reap in about 6h 15m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 337 mi.

In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 260.0 inches per month. September is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 mm.

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 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.0 C).

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

When flying from Vientiane to Siem Reap, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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.

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

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.

£147+ Cheap Flights from Vientiane to Siem Reap, Cambodia

Cheap flight deals from Vientiane to Siem Reap

Enter your travel dates to find the best prices.

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Cheapest flights from Vientiane to Siem Reap
Explore the most affordable flight options available from Vientiane to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Sat 31/1011:25 -

2 stops6h 15m

Sat 7/1120:30 -

1 stop14h 10m

Deal found 19/9£306

Sun 25/1011:25 -

2 stops6h 15m

Sat 31/1020:30 -

1 stop14h 10m

Deal found 18/9£311

Mon 2/1111:25 -

3 stops32h 15m

Tue 10/1120:30 -

3 stops46h 35m

Deal found 16/9£343

Find flight deals from Vientiane to Siem Reap

Round-trip from	£306
One-way from	£147

Vietnam Airlines
31/10-7/11
3 total stops
20h 25m total
Vientiane to Siem Reap

Search Deals

Vietnam Airlines
3/10-31/12
3 total stops
29h 50m total
Vientiane to Siem Reap

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Vientiane to Siem Reap that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Sat 3/10

11:20-17:10

3 stops29h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£147

Fastest return journey

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Sun 25/10

11:25-17:40

2 stops6h 15m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£152

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Sat 30/1

08:05-20:00

1 stop11h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£154

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Sat 26/9

11:20-17:10

3 stops29h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£158

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Mon 28/9

11:20-17:10

3 stops29h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£159

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Sun 27/9

11:20-17:10

3 stops29h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£159

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Tue 29/9

11:20-17:10

3 stops29h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£159

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Fri 25/9

11:20-18:20

2 stops7h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£169

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Fri 25/12

11:25-19:40

3 stops32h 15m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£172

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Mon 11/1

11:25-16:55

3 stops29h 30m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

£172

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 14 resultsSorted by cheapest first

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.

VTE-SAI

Estimated return 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.

Related info for your journey

How long is the flight from Vientiane to Siem Reap?
Airlines like Vietnam Airlines fly from Vientiane to Siem Reap in about 6h 15m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 337 mi.
Can I find deals for flights from Vientiane to Siem Reap that include hotel bookings?
Yes. In addition to deals on Vientiane to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Vientiane to Siem Reap?
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.
Can I find deals for business class flights from Vientiane to Siem Reap?
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.

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Siem Reap car hire

Siem Reap–Angkor Intl Airport car hire

Old French Quarter car hire

Taphul Village Area car hire

Wat Bo Area car hire

Wat Polanka Area car hire

Wat Damnak Area car hire

Night Market Area car hire

Phsar Leu Area car hire

Royal Gardens Area car hire

Old Market Area car hire

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Vientiane to Siem Reap. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Vientiane to Siem Reap?

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Can Cheapflights find flights from Vientiane to Siem Reap with no change fees?

Need flexible booking options for your flight to Siem Reap from Vientiane? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Vientiane to Siem Reap become cheaper?

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This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Vientiane to Siem Reap

Cheapest flights from Vientiane to Siem Reap
Explore the most affordable flight options available from Vientiane to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Explore the most affordable flight options available from Vientiane to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Best flights from Vientiane to Siem Reap
Discover carefully curated flight deals from Vientiane to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Discover carefully curated flight deals from Vientiane to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Last-minute flights from Vientiane to Siem Reap
Discover last-minute flight deals from Vientiane to Siem Reap. Data last updated 20 September 2026 and is based on user searches.

Discover last-minute flight deals from Vientiane to Siem Reap. Data last updated 20 September 2026 and is based on user searches.

One-way flights from Vientiane to Siem Reap
Search for one-way flight options from Vientiane to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

Search for one-way flight options from Vientiane to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

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Use the filters below to find and compare flights from Vientiane to Siem Reap that are best for you.

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.

Related info for your journey

How long is the flight from Vientiane to Siem Reap?

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 hire and/or hotel booking 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 20 September 2026.

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Cheap flights from Vientiane to Siem Reap, Cambodia from £147

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Vientiane to Siem Reap

Cheapest flights from Vientiane to Siem ReapExplore the most affordable flight options available from Vientiane to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Explore the most affordable flight options available from Vientiane to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Best flights from Vientiane to Siem ReapDiscover carefully curated flight deals from Vientiane to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Discover carefully curated flight deals from Vientiane to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Last-minute flights from Vientiane to Siem ReapDiscover last-minute flight deals from Vientiane to Siem Reap. Data last updated 20 September 2026 and is based on user searches.

Discover last-minute flight deals from Vientiane to Siem Reap. Data last updated 20 September 2026 and is based on user searches.

One-way flights from Vientiane to Siem ReapSearch for one-way flight options from Vientiane to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

Search for one-way flight options from Vientiane to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

Find flight deals from Vientiane to Siem Reap

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Vientiane to Siem Reap that are best for you.

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.

Related info for your journey

How long is the flight from Vientiane to Siem Reap?

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 hire and/or hotel booking 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 20 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Vientiane to Siem Reap?

Why should you use Cheapflights to find cheap flight tickets from Vientiane to Siem Reap?

Can Cheapflights find flights from Vientiane to Siem Reap with no change fees?

Can Cheapflights notify me if prices for flights from Vientiane to Siem Reap become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Vientiane to Siem Reap
Explore the most affordable flight options available from Vientiane to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Best flights from Vientiane to Siem Reap
Discover carefully curated flight deals from Vientiane to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Last-minute flights from Vientiane to Siem Reap
Discover last-minute flight deals from Vientiane to Siem Reap. Data last updated 20 September 2026 and is based on user searches.

One-way flights from Vientiane to Siem Reap
Search for one-way flight options from Vientiane to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.