Cheap Flights from Siem Reap to Vientiane

Cheapest flights from Siem Reap to Vientiane

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Siem Reap to Vientiane. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$256

Cambodia Angkor Air

1 layover

19h 50m

06/20/2026

The cheapest one-way flight from Siem Reap to Vientiane departs on 06/20/2026, is operated by Cambodia Angkor Air and costs $256

Cheapest round trip flight

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There is no information about the cheapest roundtrip flight from Siem Reap to Vientiane

The fastest flight

10h 50m

Fastest flight from Siem Reap to Vientiane takes 10h 50m

Direct flights

No direct flights

There are no direct flights on this route.

Distance

525km

Timezone difference

0h

The distance between Siem Reap and Vientiane is 525km (326 miles). Siem Reap and Vientiane are in the same time zone

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Siem Reap to Vientiane by month

In different months, ticket prices from Siem Reap to Vientiane vary: minimum — $256 (June 2026), maximum — $294 (December 2026). Typically, the flight costs $275–$286.

June 2026

Lowest price

on average:

$256

December 2026

Highest price

on average:

$294

Avg Price

Price dynamics

Tickets from Siem Reap to Vientiane cost roughly the same any month. This is convenient: you can plan your trip based on your schedule rather than prices.

Cheaper and more expensive periods

There is a slight difference: it's a bit cheaper in June 2026–July 2026 (averaging $271) and slightly more in July 2026–December 2026 ($290). But overall, the difference is small.

Best time to buy

On this route, you don't need to target specific months — prices are stable. The difference between the cheapest and most expensive period is only 7%. Book whenever it's convenient.

Price predictability

Monthly price variation is just 5.7%. Ticket costs on this route are among the most predictable.

Airlines operating on route

The route Siem Reap — Vientiane is served by many carriers — 4 in total, including Cambodia Angkor Air, Thai AirAsia, Emirates, and Vietnam Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $256) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.

starting at $256

starting at $264

starting at $275

starting at $294

Non-stop flights from Siem Reap to Vientiane

A non-stop flight is the most convenient and comfortable way to fly from Siem Reap to Vientiane, despite the fact that sometimes flights with transfers can cost significantly less.

There appear to be no non-stop flights from Siem Reap to Vientiane at this time.... Well, or something went wrong on our side and we couldn't find anything

Schedule of direct flights from Siem Reap to Vientiane

There are most likely no direct flights on the Siem Reap — Vientiane route

Siem Reap airports overview

Siem Reap International Airport

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SAI

•

Vientiane airports overview

Wattay International Airport

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VTE

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Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Siem Reap to Vientiane?

The cheapest flight ticket from Siem Reap to Vientiane according to data for the last 48 hours costs $256

When is the best time to buy air tickets on the route Siem Reap — Vientiane?

Often the best time to buy tickets from Siem Reap to Vientiane is 2 months before departure.

When is the cheapest time of year to fly from Siem Reap to Vientiane?

Based on statistics over the past years, the lowest prices for flights from Siem Reap to Vientiane can be found flying in these months: June, February, July.

How long does it take to fly from Siem Reap to Vientiane?

The fastest flights from Siem Reap to Vientiane start from 10 hours 50 minutes in the air.

Which airline can fly direct from Siem Reap to Vientiane?

The following airlines operate direct flights on the route Siem Reap — Vientiane:

Special offers and sales on air tickets from Siem Reap to Vientiane

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Siem Reap to Vientiane

Alternative routes

Bangkok ➜ Vientiane•Khon Kaen ➜ Vientiane•Phnom Penh ➜ Vientiane•Pleiku ➜ Vientiane•Ho Chi Minh City ➜ Vientiane•Udon Thani ➜ Vientiane•Can Tho ➜ Vientiane•Rach Gia ➜ Vientiane•Savannakhet ➜ Vientiane•Siem Reap ➜ Bangkok•Siem Reap ➜ Chiang Mai•Siem Reap ➜ Hanoi•Siem Reap ➜ Jinghong•Siem Reap ➜ Khon Kaen•Siem Reap ➜ Thanh Hoa•Siem Reap ➜ Udon Thani•Siem Reap ➜ Dong Hoi•Siem Reap ➜ Savannakhet

•••••••••••••••••••

Cheapest one way flight

$256

Cambodia Angkor Air

1 layover

19h 50m

06/20/2026

The cheapest one-way flight from Siem Reap to Vientiane departs on 06/20/2026, is operated by Cambodia Angkor Air and costs $256

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Siem Reap to Vientiane

The fastest flight