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
Compare fares and flight options for Colombo — Siem Reap. Prices can change; check availability when searching.
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.
Answers to questions about the route that travelers are most interested in.
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.
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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.
There is a slight difference: it's a bit cheaper in January 2027–March 2027 (averaging $227) and slightly more in November 2026–December 2026 ($248). But overall, the difference is small.
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 8%. Book whenever it's convenient.
Monthly price variation is just 7.1%. Ticket costs on this route are among the most predictable.
The cost of a one-way flight from Colombo to Siem Reap ranges from $226 (March 2027) to $267 (November 2026). On average, the ticket price is about $229–$238.
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
starting at $223
starting at $226
starting at $247
starting at $256
No direct offers were found for this route.
For a flight on Colombo — Siem Reap, compare the featured carriers: Vietnam Airlines, Malindo Air, Thai AirAsia, and AirAsia. There are 4 airlines in this selection, with fares from $223.
The cheapest one-way flight from Colombo to Siem Reap departs on 01/04/2027, is operated by Vietnam Airlines and costs $223
The cheapest roundtrip flight from Colombo to Siem Reap departs on 12/19/2026, is operated by Vietnam Airlines and costs $411
Fastest flight from Colombo to Siem Reap takes 7h 50m
The found offers from Colombo to Siem Reap depart between 1:55 AM and 11:15 PM, in the origin city’s time zone. The straight-line distance between Colombo and Siem Reap is 2718km.
Direct-flight weekdays and the fastest option are based on the offers found.
Duration and departure times are based on found offers, not the full schedule. Times use the origin city’s time zone.
The cheapest flight ticket from Colombo to Siem Reap according to data for the last 48 hours costs $223
The lowest prices in the available monthly data for Colombo — Siem Reap are in: March, January, December. Prices can change.
The shortest duration among the offers found for Colombo — Siem Reap is 7 hours 50 minutes, including connections if present.
We couldn't find any special offers for flights from Colombo to Siem Reap
