Cheap Flights from Vientiane to Siem Reap

Cheapest flights from Vientiane to Siem Reap

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 Vientiane to Siem Reap. 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

$207

Thai AirAsia

1 layover

8h 5m

09/26/2026

The cheapest one-way flight from Vientiane to Siem Reap departs on 09/26/2026, is operated by Thai AirAsia and costs $207

Cheapest round trip flight

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

The fastest flight

7 hours

Fastest flight from Vientiane to Siem Reap takes 7 hours

Direct flights

No direct flights

There are no direct flights on this route.

Distance

525km

Timezone difference

0h

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

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

Airfare from Vientiane to Siem Reap by month

The minimum one-way ticket price from Vientiane to Siem Reap is $207 (September 2026), while the maximum is $300 (December 2026). On average, a ticket costs $248–$538.

September 2026

Lowest price

on average:

$207

December 2026

Highest price

on average:

$300

Avg Price

Price dynamics

Ticket prices for Vientiane — Siem Reap follow a predictable curve: rise, peak, and decline. This typical seasonal pattern lets you plan your purchase to avoid overpaying.

Cheaper and more expensive periods

Prices rise from September 2026 to December 2026 (+45%), then decline from June 2026 to September 2026 (13%). The cheapest tickets are in June 2026–September 2026 (averaging $222), while the priciest are in September 2026–December 2026 ($254).

Best time to buy

For savings, plan your flight for June 2026–September 2026 — you could save up to 12%. Try to avoid September 2026–December 2026 when possible: prices are at their highest then.

Price predictability

Price spread on this route is 15.7%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.

Airlines operating on route

The route Vientiane — Siem Reap is served by several airlines: Thai AirAsia, Vietnam Airlines, and Thai Airways. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $207 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.

Thai AirAsia

starting at $207

Vietnam Airlines

starting at $230

Thai Airways

starting at $300

Non-stop flights from Vientiane to Siem Reap

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

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

Schedule of direct flights from Vientiane to Siem Reap

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

Vientiane airports overview

Wattay International Airport

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VTE

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Siem Reap airports overview

Siem Reap International Airport

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SAI

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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 Vientiane to Siem Reap?

The cheapest flight ticket from Vientiane to Siem Reap according to data for the last 48 hours costs $207

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

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

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

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

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

The fastest flights from Vientiane to Siem Reap start from 7 hours in the air.

Which airline can fly direct from Vientiane to Siem Reap?

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

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

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 Vientiane to Siem Reap

Alternative routes

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 ➜ Siem Reap•Vientiane ➜ 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

•••••••••••••••••••

Cheapest one way flight

$207

Thai AirAsia

1 layover

8h 5m

09/26/2026

The cheapest one-way flight from Vientiane to Siem Reap departs on 09/26/2026, is operated by Thai AirAsia and costs $207

Cheapest round trip flight

—

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

The fastest flight