Fares shown are modelled estimates, not live quotes.
Why visit Siem Reap in December?
November-February is dry season (75-85°F). March-May is brutally hot (95°F+). June-October is wet season (rain, mud, but fewer crowds). Best weather is December-January.
Best Time to Fly to Siem Reap
Click any month for the destination guide's weather, crowd, and festival notes.
Listed as a recommended month in this destination guide
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Flights to Siem Reap in December
All US departure cities for Siem Reap — sorted by estimated price. Set a price alert on any route now; fare reviews resume after the provider migration.
About Siem Reap
Siem Reap is the gateway to Angkor Wat — one of the world's greatest archaeological sites. The temples are jaw-dropping, and the town has good food, night markets, and Pub Street for backpacker chaos. You'll need 2-3 days minimum for the temples. The town itself is touristy but functional.
- •Angkor Wat sunrise (get there at 5 AM)
- •Bayon Temple (faces) and Ta Prohm (Tomb Raider temple)
- •Pub Street and night markets
- •Tonle Sap floating villages
Other months to visit Siem Reap
Frequently Asked Questions
Is December a good month to visit Siem Reap?
Yes — December is one of the best months for Siem Reap. November-February is dry season (75-85°F). March-May is brutally hot (95°F+). June-October is wet season (rain, mud, but fewer crowds). Best weather is December-January.
How much do flights to Siem Reap cost in December?
The lowest modelled estimate to Siem Reap in December is around $681 round trip from Seattle. This is not a live fare. Fare reviews are paused during the provider migration.
When should I book December flights to Siem Reap?
Book 6–10 weeks before your December travel date for the best price-availability balance. For peak seasons, book 3–4 months early. Fare reviews and notifications are paused during the provider migration.
Save a Siem Reap route for December
Fare reviews and notifications are paused during the provider migration. You can save a route now, and it will be waiting when reviews resume.
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