
Currently, August is the cheapest month in which you can book a flight from Southeast Asia to Siem Reap (average of $120). Flying from Southeast Asia to Siem Reap in September is currently the most expensive (average of $154). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from Southeast Asia to Siem Reap at noon. Doing so could potentially save you 31% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their Southeast Asia to Siem Reap flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Juliet,Oct 2025
PUS - SIN
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Juliet,Oct 2025
PUS - SIN
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Juliet,Oct 2025
PUS - SIN
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Juliet,Oct 2025
PUS - SIN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$125 | Average$211 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$137 | Average$231 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$141 | Average$194 | FlexibilityNo cancel fee | On-time87% | |
| Cheapest$158 | Average$195 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$176 | Average$320 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$187 | Average$254 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$196 | Average$271 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$196 | Average$220 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$303 | Average$331 | FlexibilityNo cancel fee | On-time66% |