Find the exact window to book your Siem Reap flight for the lowest price — based on real long-haul pricing patterns, not guesswork.
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There's no nonstop service to Siem Reap from the US — travelers connect through an Asian hub such as Seoul, Tokyo, Singapore, or Bangkok, with total journey time often 22 hours or more.
Dry season (November–April) is peak for visiting Angkor Wat, especially the cooler December–February window, and is the most crowded and expensive. Wet season (May–October) is cheaper and lush, with hot, humid afternoons and rain.
Because every itinerary connects, the routing and partner airline drive pricing more than a simple budget-vs-premium choice — booking within the optimal window is the most reliable lever.
6 to 8 weeks out on full-service carriers, or 5 to 7 weeks out on lower fare classes.
Wet season (May–October) is generally cheaper. Dry season (November–April, especially December–February) is the most popular time to visit Angkor Wat and the most expensive.
Every itinerary connects since there's no nonstop option — the routing and partner airline matter more than a simple budget-vs-premium choice.
US citizens need a visa for Cambodia — available as an e-Visa online in advance or a visa on arrival for a fee; it is not visa-free.