How to Get From Phnom Penh to Siem Reap
The Phnom Penh to Siem Reap route is Cambodia's most traveled corridor, connecting the capital city to Angkor Wat. At 315 km, you have multiple transport options ranging from $10 buses to $100+ flights. Here's everything you need to know.
Our Recommendation
For most travelers, the bus is the best balance of cost and comfort. If time is limited, fly — it's only 45 minutes. Private transfers are ideal for groups of 3+ who want door-to-door convenience.
🚀 All Transport Options
✈️ Domestic Flight
Duration
45 minutes
Cost
$60–$120
Frequency
Multiple daily flights
Cambodia Angkor Air and several budget carriers operate this route. The new Siem Reap-Angkor International Airport (SAI) opened in 2023. Factor in airport transfer time (40 min from city to SAI).
Insider Tips
- •Book 2–4 weeks ahead for best prices
- •New SAI airport is 40 km from Siem Reap center
- •Airport taxi to city costs $12–15
- •Morning flights avoid afternoon storm delays
🚌 Express Bus
Duration
5.5–6.5 hours
Cost
$10–$18
Frequency
Departures every 30–60 min (6am–1pm)
Giant Ibis, Mekong Express, and Capitol Bus are the top operators. Giant Ibis is the gold standard with wifi, USB charging, snacks, and reliable schedules. Road quality is good (NR6) with one rest stop.
Insider Tips
- •Book Giant Ibis online at giantibis.com
- •Sit on the left side for better views
- •Bring a light jacket — AC is strong
- •NR6 road is fully paved and smooth
🚐 Private Transfer / Taxi
Duration
5–6 hours
Cost
$70–$120
Frequency
On demand
Private cars (sedan or SUV) offer door-to-door service. Price is per vehicle, making it excellent value for 3–4 people. Book through your hotel or apps like PassApp and Grab.
Insider Tips
- •Negotiate price before departure
- •Ask for a stop at Skun (spider market) or Kompong Cham
- •Price is per vehicle — split with travel mates
- •PassApp offers fixed prices
🚤 Speedboat (Seasonal)
Duration
5–6 hours
Cost
$35–$40
Frequency
Daily (wet season: July–March)
Scenic route via Tonlé Sap lake. Only operates when water levels are high enough. Uncomfortable seats but incredible views of floating villages. Not recommended for those prone to seasickness.
Insider Tips
- •Only available roughly July to March
- •Bring sunscreen and a hat
- •Sit near the middle for less bouncing
- •Not suitable for young children or elderly
📊 Quick Comparison
| Option | Duration | Cost | Comfort |
|---|---|---|---|
| ✈️ Domestic Flight | 45 minutes | $60–$120 | premium |
| 🚌 Express Bus | 5.5–6.5 hours | $10–$18 | comfortable |
| 🚐 Private Transfer / Taxi | 5–6 hours | $70–$120 | comfortable |
| 🚤 Speedboat (Seasonal) | 5–6 hours | $35–$40 | basic |
❓ Frequently Asked Questions
What is the fastest way from Phnom Penh to Siem Reap?
Flying takes only 45 minutes. Several airlines operate multiple daily flights starting from $60 one way.
What is the cheapest way to get from Phnom Penh to Siem Reap?
The bus costs $10–18. Giant Ibis and Mekong Express are the most popular operators with comfortable coaches.
Is the road from Phnom Penh to Siem Reap safe?
Yes, National Route 6 is fully paved and in good condition. Stick to reputable bus companies for the safest experience.
Can I stop at Angkor Wat on the way?
Angkor Wat is in Siem Reap, which is the destination. You'll arrive ready to explore the next day.
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