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Cheap flights from Vientiane to Siem Reap from $165

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Vientiane to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Vietnam Airlines Logo
11:25 am - 5:40 pmVTE  Vientiane Wattay-SAI Siem Reap–Angkor Intl
6h 15m2 stops Phnom Penh Techo Intl Ho Chi Minh City
Vietnam Airlines Logo
8:30 pm - 10:40 amSAI  Siem Reap–Angkor Intl-VTE Vientiane Wattay
14h 10m1 stop Hanoi Noibai
$410Vietnam Airlines
Sat, Oct 31 - Sat, Nov 7
Vietnam Airlines Logo
11:25 am - 5:40 pmVTE  Vientiane Wattay-SAI Siem Reap–Angkor Intl
6h 15m2 stops Phnom Penh Techo Intl Ho Chi Minh City
Vietnam Airlines Logo
8:30 pm - 10:40 amSAI  Siem Reap–Angkor Intl-VTE Vientiane Wattay
14h 10m1 stop Hanoi Noibai
$411Vietnam Airlines
Sat, Oct 31 - Sat, Nov 7
Vietnam Airlines Logo
11:25 am - 8:30 pmVTE  Vientiane Wattay-SAI Siem Reap–Angkor Intl
9h 05m2 stops Phnom Penh Techo Intl Ho Chi Minh City
Vietnam Airlines Logo
8:30 pm - 10:40 amSAI  Siem Reap–Angkor Intl-VTE Vientiane Wattay
14h 10m1 stop Hanoi Noibai
$413Vietnam Airlines
Sat, Oct 31 - Sat, Nov 7
Vietnam Airlines Logo
11:25 am - 5:40 pmVTE  Vientiane Wattay-SAI Siem Reap–Angkor Intl
6h 15m2 stops Phnom Penh Techo Intl Ho Chi Minh City
Vietnam Airlines Logo
8:30 pm - 10:40 amSAI  Siem Reap–Angkor Intl-VTE Vientiane Wattay
14h 10m1 stop Hanoi Noibai
$416Vietnam Airlines
Sun, Oct 25 - Sat, Oct 31
Multiple Airlines Logo
8:05 am - 4:10 pmVTE  Vientiane Wattay-SAI Siem Reap–Angkor Intl
8h 05m1 stop Bangkok Don Mueang Intl
Multiple Airlines Logo
9:30 pm - 6:00 pmSAI  Siem Reap–Angkor Intl-VTE Vientiane Wattay
20h 30m1 stop Ho Chi Minh City
$443Multiple Airlines
Sat, Oct 24 - Fri, Oct 30
Multiple Airlines Logo
8:05 am - 4:10 pmVTE  Vientiane Wattay-SAI Siem Reap–Angkor Intl
8h 05m1 stop Bangkok Don Mueang Intl
Multiple Airlines Logo
6:40 pm - 7:05 pmSAI  Siem Reap–Angkor Intl-VTE Vientiane Wattay
24h 25m2 stops Ho Chi Minh City Phnom Penh Techo Intl
$445Multiple Airlines
Sat, Oct 24 - Fri, Oct 30
Multiple Airlines Logo
8:05 am - 4:00 pmVTE  Vientiane Wattay-SAI Siem Reap–Angkor Intl
7h 55m1 stop Bangkok Don Mueang Intl
Multiple Airlines Logo
8:30 pm - 10:40 amSAI  Siem Reap–Angkor Intl-VTE Vientiane Wattay
14h 10m1 stop Hanoi Noibai
$448Multiple Airlines
Sat, Oct 31 - Sat, Nov 7
Vietnam Airlines Logo
7:50 pm - 4:55 pmVTE  Vientiane Wattay-SAI Siem Reap–Angkor Intl
21h 05m1 stop Hanoi Noibai
Vietnam Airlines Logo
8:30 pm - 7:05 pmSAI  Siem Reap–Angkor Intl-VTE Vientiane Wattay
46h 35m3 stops Hanoi Noibai Ho Chi Minh City Phnom Penh Techo Intl
$471Vietnam Airlines
Sun, Oct 25 - Sat, Oct 31
Vietnam Airlines Logo
11:25 am - 4:55 pmVTE  Vientiane Wattay-SAI Siem Reap–Angkor Intl
29h 30m3 stops Phnom Penh Techo Intl Ho Chi Minh City Hanoi Noibai
Vietnam Airlines Logo
8:30 pm - 7:05 pmSAI  Siem Reap–Angkor Intl-VTE Vientiane Wattay
46h 35m3 stops Hanoi Noibai Ho Chi Minh City Phnom Penh Techo Intl
$492Vietnam Airlines
Sun, Oct 25 - Sat, Oct 31
Vietnam Airlines Logo
11:25 am - 5:40 pmVTE  Vientiane Wattay-SAI Siem Reap–Angkor Intl
6h 15m2 stops Phnom Penh Techo Intl Ho Chi Minh City
Vietnam Airlines Logo
5:05 pm - 10:40 amSAI  Siem Reap–Angkor Intl-VTE Vientiane Wattay
17h 35m2 stops Luang Prabang Hanoi Noibai
$493Vietnam Airlines
Sat, Oct 31 - Sat, Nov 7

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Vietnam Airlines flights from Vientiane to Siem Reap

Our best Vietnam Airlines deals on Vientiane to Siem Reap flight tickets
Vietnam Airlines
Oct 31
VTE11:25 amVientiane Wattay
6h 15m
2 stops
SAI5:40 pmSiem Reap–Angkor Intl
Nov 7
SAI8:30 pmSiem Reap–Angkor Intl
14h 10m
1 stop
VTE10:40 amVientiane Wattay
$410
Vietnam Airlines
Oct 31
VTE11:25 amVientiane Wattay
6h 15m
2 stops
SAI5:40 pmSiem Reap–Angkor Intl
Nov 7
SAI8:30 pmSiem Reap–Angkor Intl
14h 10m
1 stop
VTE10:40 amVientiane Wattay
$411
Vietnam Airlines
Oct 31
VTE11:25 amVientiane Wattay
9h 05m
2 stops
SAI8:30 pmSiem Reap–Angkor Intl
Nov 7
SAI8:30 pmSiem Reap–Angkor Intl
14h 10m
1 stop
VTE10:40 amVientiane Wattay
$413

momondo 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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Quickest round-trip

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Sat 10/31

11:25 am-5:40 pm

2 stops6h 15m

Siem Reap–Angkor Intl

Sat 11/7

8:30 pm-10:40 am

1 stop14h 10m

$410

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Sat 10/31

11:25 am-5:40 pm

2 stops6h 15m

Siem Reap–Angkor Intl

Sat 11/7

8:30 pm-10:40 am

1 stop14h 10m

$411

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Sat 10/31

11:25 am-8:30 pm

2 stops9h 05m

Siem Reap–Angkor Intl

Sat 11/7

8:30 pm-10:40 am

1 stop14h 10m

$413

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Sun 10/25

11:25 am-5:40 pm

2 stops6h 15m

Siem Reap–Angkor Intl

Sat 10/31

8:30 pm-10:40 am

1 stop14h 10m

$416

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Sat 10/24

8:05 am-4:10 pm

1 stop8h 05m

Siem Reap–Angkor Intl

Fri 10/30

9:30 pm-6:00 pm

1 stop20h 30m

$443

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Sat 10/24

8:05 am-4:10 pm

1 stop8h 05m

Siem Reap–Angkor Intl

Fri 10/30

6:40 pm-7:05 pm

2 stops24h 25m

$445

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Sat 10/31

8:05 am-4:00 pm

1 stop7h 55m

Siem Reap–Angkor Intl

Sat 11/7

8:30 pm-10:40 am

1 stop14h 10m

$448

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Sun 10/25

7:50 pm-4:55 pm

1 stop21h 05m

Siem Reap–Angkor Intl

Sat 10/31

8:30 pm-7:05 pm

3 stops46h 35m

$471

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Sun 10/25

11:25 am-4:55 pm

3 stops29h 30m

Siem Reap–Angkor Intl

Sat 10/31

8:30 pm-7:05 pm

3 stops46h 35m

$492

VientianeSiem Reap

VTE Vientiane Wattay - SAI Siem Reap–Angkor Intl

VTESAI

Vientiane Wattay

Sat 10/31

11:25 am-5:40 pm

2 stops6h 15m

Siem Reap–Angkor Intl

Sat 11/7

5:05 pm-10:40 am

2 stops17h 35m

$493

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Vientiane to Siem Reap

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Vientiane to Siem Reap flights?

You could potentially save up to 24% on your flight if you consider stops on a Vientiane to Siem Reap flight.

How have Vientiane to Siem Reap flight prices changed over time?

As of September 2026, prices for Vientiane to Siem Reap flights are approximately 75% more expensive when compared to flights at the same time last year.

When to book flights from Vientiane to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from Vientiane to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Vientiane to Siem Reap (VTE to SAI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Vientiane to Siem Reap

Best Price Found

$165

Direct flights

None
The best one-way flight to Siem Reap from Vientiane in the past 72 hours is $165. The best round-trip flight deal from Vientiane to Siem Reap found on momondo in the last 72 hours is $410.
There are no direct flights from Vientiane to Siem Reap. There are no popular flight routes from Vientiane to Siem Reap.
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Frequently asked questions about flying from Vientiane to Siem Reap

  • How far is Vientiane Wattay to Siem Reap–Angkor Intl by plane?

    The distance between Vientiane Wattay and Siem Reap–Angkor Intl is about 329.0 mi.

  • When did momondo last update prices for flights from Vientiane Wattay Airport to Siem Reap–Angkor Intl Airport?

    Prices for flights from Vientiane Wattay Airport to Siem Reap–Angkor Intl Airport refresh daily.

  • How old do you have to be to fly from Vientiane Wattay Airport to Siem Reap–Angkor Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Vientiane Wattay Airport to Siem Reap–Angkor Intl Airport.

  • What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

    The travel and health documents you'll need for your trip to Siem Reap–Angkor Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Vientiane to Siem Reap?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Vientiane to Siem Reap. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Vientiane to Siem Reap with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Vientiane to Siem Reap flights to just show those with flexible booking policies.

How can momondo help me find flights from Vientiane to Siem Reap?

Once you have performed a search for Vientiane to Siem Reap flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Vientiane to Siem Reap right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Vientiane to Siem Reap flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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