Cheap Flights from Colombo to Siem Reap

Cheapest flights from Colombo 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 Colombo 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

$222

Vietnam Airlines

1 layover

14h 15m

01/17/2027

The cheapest one-way flight from Colombo to Siem Reap departs on 01/17/2027, is operated by Vietnam Airlines and costs $222

Cheapest round trip flight

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

The fastest flight

10h 20m

Fastest flight from Colombo to Siem Reap takes 10h 20m

Direct flights

No direct flights

There are no direct flights on this route.

Distance

2721km

Timezone difference

1h 30m

The distance between Colombo and Siem Reap is 2721km (1687 miles). The time difference between Colombo and Siem Reap is 1h 30m

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

Airfare from Colombo to Siem Reap by month

The cost of a one-way flight from Colombo to Siem Reap ranges from $263 (November 2026) to $314 (September 2026). On average, the ticket price is about $283–$289.

November 2026

Lowest price

on average:

$263

September 2026

Highest price

on average:

$314

Avg Price

Price dynamics

Tickets from Colombo to Siem Reap 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 November 2026–January 2027 (averaging $264) and slightly more in September 2026–November 2026 ($289). 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 9%. Book whenever it's convenient.

Price predictability

Monthly price variation is just 7.4%. Ticket costs on this route are among the most predictable.

Airlines operating on route

Flights from Colombo to Siem Reap are operated by several airlines — Vietnam Airlines, AirAsia, and Thai AirAsia. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $222, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.

Vietnam Airlines

starting at $222

AirAsia

starting at $247

Thai AirAsia

starting at $252

Non-stop flights from Colombo to Siem Reap

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

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

Frequently asked questions (FAQ)

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

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

The cheapest flight ticket from Colombo to Siem Reap according to data for the last 48 hours costs $222

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

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

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

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

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

The fastest flights from Colombo to Siem Reap start from 10 hours 20 minutes in the air.

Which airline can fly direct from Colombo to Siem Reap?

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

Special offers and sales on air tickets from Colombo 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.

Colombo — Siem Reap

November 22

AirAsia

$258

Cheapest one way flight

$222

Vietnam Airlines

1 layover

14h 15m

01/17/2027

The cheapest one-way flight from Colombo to Siem Reap departs on 01/17/2027, is operated by Vietnam Airlines and costs $222

Cheapest round trip flight

—

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

The fastest flight