How to Fly from Hong Kong to Siem Reap: A Comprehensive Travel Guide

Written by Tony Bùi, with over 20 years of experience in the travel industry, personally guiding and organizing tours for over 100,000 travellers across Southeast Asia. This guide draws from firsthand insights, guest feedback from Legend Travel Group surveys, and official sources like Legend Travel Group’s expertise in Cambodia. Legend Travel Group since 2008. Information based on the latest data; verify before travel. Reflects Cambodia’s updated travel regulations for Hong Kong residents.

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A Practical, Cultural, and Rewarding Journey

Siem Reap, the gateway to the magnificent Angkor Wat temple complex, is one of the most accessible and enchanting destinations from Hong Kong — visa on arrival or e-visa available for Hong Kong residents (up to 30 days), convenient direct and connecting flights from Hong Kong International Airport (HKG) to Siem Reap International Airport (SAI/REP) (total travel time ~2.5–5 hours), world-renowned ancient Khmer temples, vibrant night markets, floating villages on Tonle Sap Lake, and excellent value for money. The Best Cambodia Tours from Legend Travel Group offer perfectly tailored experiences blending history, culture, nature and gastronomy. Legend Travel Group specialises in packages with English-speaking guides, vegetarian/halal meal options, and flexible payments—deposit just 10% and pay the rest 30 days before departure. Ideal for families, couples, solo travellers, retirees, and eco-conscious visitors.

Legend Travel Group connects Hong Kong and Siem Reap seamlessly. This guide provides practical flight information, tips and sustainable travel ideas.

Administrative Note

Hong Kong residents (HKSAR passport holders) can obtain a visa on arrival or apply for an e-visa for Cambodia (up to 30 days; passport valid 6+ months). No vaccinations required but recommended: Hepatitis A/B, Typhoid. Flight costs vary widely ($150–$450+ round-trip depending on season, airline and booking time). Direct flights available; some routes with short layovers. Verify travel advisories, visa rules and entry requirements via official sources or Legend Travel Group support.

Main Routes & Airlines

• Direct Flights — Hong Kong Airlines, Cambodia Angkor Air, and occasionally other carriers operate direct flights HKG → REP.
• Connecting Flights — Via Phnom Penh (PNH) with Cambodia Angkor Air, or via Bangkok, Hanoi, or Ho Chi Minh City with multiple carriers.
• Flight Time — Direct: ~2.5–3 hours; with 1 stop: 4–6 hours total.
• Best Airlines — Hong Kong Airlines and Cambodia Angkor Air frequently praised for convenience and service on this short route [Legend Travel Group expertise].
• Accessibility from Hong Kong — Depart from HKG; arrival at Siem Reap International Airport (REP/SAI); easy onward transfer to hotels or Angkor Wat area.

Key Tips for Booking

• Book 1–3 months in advance for best prices (cheapest often mid-week departures).
• Use tools like Google Flights, Skyscanner, Kayak or airline sites to compare.
• Consider flexible dates for savings; shoulder seasons (May–Jun, Sep–Oct) often cheaper.
• Check baggage allowances — most airlines allow 20–30kg checked on this route.

Visa Process

• Visa on Arrival — Available at Siem Reap Airport ($30 USD, payable in cash).
• E-Visa — Faster option; apply online via official Cambodian e-visa portal (cost ~$36 USD).
• Processing usually 3 working days for e-visa.
• Passport must have 6+ months validity and blank pages.

General Advice:

• Carry small USD notes for visa fee and airport taxis.
• Respect local customs; modest dress at temples.

Here are popular options based on current trends and Legend Travel Group recommendations. Always confirm schedules and prices.

1. Direct & Most Convenient

• Airlines — Hong Kong Airlines or Cambodia Angkor Air (direct).
• Duration — ~2.5–3 hours.
• Cost — Round-trip often $180–$320 (economy).
• Tip — Direct flights save time and reduce fatigue; one traveller noted: “Quick and hassle-free arrival right at Siem Reap.”

2. Budget-Friendly with Short Stop

• Airlines — Cambodia Angkor Air via Phnom Penh (PNH) or low-cost carriers with connection in Bangkok/Hanoi.
• Duration — ~4–5.5 hours total.
• Cost — Round-trip from $150–$250.
• Tip — Good option if direct flights are fully booked.

3. Premium & Comfortable Experience

• Airlines — Hong Kong Airlines (direct or via codeshare) or combinations with Thai Airways / Vietnam Airlines.
• Duration — ~3–5 hours.
• Cost — Round-trip $250–$450+.
• Tip — Choose morning departures to arrive in Siem Reap with full day for temple visits.

4. Multi-City or Open-Jaw Options

• Fly into Siem Reap (REP), out of Phnom Penh (PNH) for a full Cambodia itinerary.
• Cost — Similar to round-trip; adds flexibility for Angkor → Phnom Penh route.
• Tip — Book via Legend Travel Group for combined flight + tour packages.

Main opportunities:

• November–April (dry & cool season) — Best overall: pleasant weather, ideal for exploring Angkor Wat temples, Tonle Sap and outdoor activities.
• May–October (wet/green season) — Afternoon showers, lush scenery, fewer crowds, excellent for budget flights and photography.

Dry season (Nov–Apr) ideal for first-time visitors. Shoulder months offer good deals & fewer crowds. Check forecast via Legend Travel Group support.

• Online Platforms — Use Google Flights, Skyscanner, Kayak or direct airline sites (Hong Kong Airlines, Cambodia Angkor Air).
• Tour Packages — Contact Legend Travel Group for flight + tour combos (visa assistance, airport transfers, English-speaking guides).
• Advice — Book early for high season (Dec–Feb); compare layover times; carry small USD for visa and taxis; confirm visa on arrival or e-visa before travel.

• Documents — Passport (6+ months validity), printed e-visa or cash for visa on arrival, flight tickets.
• Clothing — Lightweight clothes, modest attire for temples (shoulders & knees covered), comfortable walking shoes, hat & sunglasses.
• Essentials — Reusable water bottle, sunscreen, insect repellent, power bank.
• Extras — Small USD notes, travel adapter (Type A/C), medications. Advice — Pack light; reusable items support sustainability.

Flight Costs (Round-Trip Economy)

• Low season: $150–$250.
• High season: $250–$450+.

Other Costs

• Visa on arrival / e-visa: $30–$36 USD.
• Airport transfers to hotel/Angkor: $10–$25.
• Internal Cambodia transport: $5–$50.

Advice — Budget $200–$600+ for flights depending on season and booking time.

• Arrive at HKG 2+ hours early for international flights.
• Choose morning flights to maximize your first day at Angkor Wat.
• Stay hydrated and move during longer connections.
• Download offline maps (Maps.me) for Siem Reap and Angkor area.
• Use Grab or official taxis from the airport.
• Safety: Keep valuables secure; emergency number 117/112.
• Sustainability: Choose airlines with carbon offset programs; support eco-friendly tours in Cambodia.

• Are there direct flights? Yes, Hong Kong Airlines and Cambodia Angkor Air operate direct flights.
• Flight time? Direct: ~2.5–3 hours; with stop: 4–6 hours.
• Best airlines? Hong Kong Airlines and Cambodia Angkor Air for convenience and reliability [Legend Travel Group expertise].
• Visa needed? Yes — visa on arrival ($30) or e-visa recommended.
• Cheapest time? Shoulder seasons (May–Jun, Sep–Oct).
• Combine with tours? Yes, Legend Travel Group offers excellent flight + Angkor tour packages.

Combine your flight with sustainable Cambodia tours:

• Classic Angkor Discovery ($850–$1,600/person, 6 days) — Siem Reap temples, Tonle Sap, cultural experiences.
• Premium Cambodia Explorer ($1,800–$3,200/person, 10 days) — Siem Reap, Phnom Penh, Battambang with luxury options.
• Angkor Adventure ($1,000–$2,000/person, 7 days) — Deep temple exploration with expert guides.

Prices include guides, transport, entries; group discounts available. Contact sales@legendtravelgroup.com / WhatsApp (+84 825862222) for your Cambodia Travel plans.

Flying from Hong Kong to Siem Reap is quick, convenient, and opens the door to one of Asia’s greatest cultural treasures — the majestic Angkor temples. With direct flights as short as 2.5 hours, simple visa procedures, and affordable costs, this journey combines ease with unforgettable experiences. Whether marvelling at Angkor Wat at sunrise, exploring floating villages, or enjoying Khmer cuisine, respect local customs and plan ahead for the best experience. For flight + tour packages, check Legend Travel Group resources. Safe travels!

Sources:

• Legend Travel Group expertise
• Airline websites & flight aggregators