How to Fly from Hanoi 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 and Vietnam. Legend Travel Group since 2008. Information based on the latest data; verify before travel. Reflects Cambodia’s updated travel regulations for international visitors.

=> Cambodia Highlights 5-Day Tour

=> Cambodia Express 8-Day Tour

=> Best of Cambodia: Phnom Penh to Siem Reap 5-Day Tour

A Practical, Cultural, and Rewarding Journey

Siem Reap, the gateway to the magnificent Angkor Wat complex, is one of the most popular short-haul destinations from Hanoi — visa on arrival or e-visa available for most nationalities (up to 30 days), convenient direct or one-stop flights from Noi Bai International Airport (HAN) to Siem Reap International Airport (SAI) or Phnom Penh (PNH) with easy onward transfer (total travel time ~1.5–4 hours), iconic Khmer temples, vibrant night markets, and excellent value for money. From the awe-inspiring Angkor Wat sunrise, Ta Prohm’s tree-rooted temples, to the floating villages of Tonle Sap Lake and delicious Khmer cuisine, the Best Cambodia Tours from Legend Travel Group offer perfectly tailored experiences blending history, spirituality, culture and nature. 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 Vietnam and Cambodia seamlessly. This guide provides practical flight information, tips and sustainable travel ideas.

Administrative Note

Most nationalities (including U.S., EU, Australian) can obtain a Cambodia visa on arrival ($30 USD) or e-visa online (up to 30 days; passport valid 6+ months). No vaccinations required but recommended: Hepatitis A/B, Typhoid. Flight costs are very affordable ($50–$250 one-way depending on airline and booking time). Direct flights available; main arrival airport: Siem Reap International Airport (SAI). Verify travel advisories, visa rules and entry requirements via official sources or Legend Travel Group support.

Main Routes & Airlines

• Direct Flights — Available daily: Vietnam Airlines, Cambodia Angkor Air, VietJet Air, and Sky Angkor Airlines.
• One-Stop Options — Via Ho Chi Minh City (SGN), Phnom Penh (PNH) or Bangkok (BKK) if needed.
• Flight Time — Direct: ~1 hour 30 minutes. With layover: 3–5 hours.
• Best Airlines — Vietnam Airlines and Cambodia Angkor Air for reliability and service; VietJet Air for budget options [Legend Travel Group expertise].
• Accessibility from Hanoi — Depart from Noi Bai (HAN); short and convenient regional flight; easy immigration at SAI.

Key Tips for Booking

• Book 2–6 weeks in advance for best prices.
• Use tools like Google Flights, Skyscanner or airline sites to compare.
• Mid-week flights (Tuesday–Thursday) are often cheaper.
• Check baggage allowances — budget airlines may charge extra for checked bags.

Cambodia Visa Process

• Visa on Arrival — $30 USD cash at Siem Reap airport (passport photo required).
• E-Visa — Apply online in advance ($36 USD); faster immigration.
• Passport must have 6+ months validity and 1–2 blank pages.
• Print e-visa or keep digital copy.

General Advice:

• Dress modestly when visiting Angkor temples.
• Respect Khmer culture and Buddhist sites.

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

1. Fastest & Most Convenient (Direct Flight)

• Airlines — Vietnam Airlines, Cambodia Angkor Air.
• Duration — ~1 hour 30 minutes.
• Cost — One-way $80–$150 (economy).
• Tip — Morning flights allow you to reach Angkor Wat for sunset; one traveller noted: “Quick, smooth and stress-free.”

2. Budget-Friendly (Low-Cost Carriers)

• Airlines — VietJet Air, Sky Angkor Airlines.
• Duration — ~1 hour 30 minutes direct.
• Cost — One-way from $50–$90.
• Tip — Book early; add baggage if needed.

3. Via Phnom Penh or Bangkok (Flexible Routing)

• Airlines — Vietnam Airlines + local carrier or codeshare.
• Duration — 3–5 hours.
• Cost — One-way $70–$180.
• Tip — Good option if combining with Phnom Penh or extending your trip.

4. Multi-City or Open-Jaw Options

• Fly Hanoi → Siem Reap, then Siem Reap → Ho Chi Minh City or Bangkok.
• Cost — Often similar pricing; adds flexibility for regional itineraries.
• Tip — Book via Legend Travel Group for combined Vietnam + Cambodia tour packages.

Main opportunities:

• November–February (cool & dry season) — Best overall: pleasant weather, ideal for temple exploration and Angkor Wat sunrise.
• March–May (hot season) — Very hot; good for fewer crowds.
• June–October (rainy season) — Afternoon showers, lush greenery, lower prices and fewer tourists.

Cool/dry season (Nov–Feb) is ideal for first-time visitors. Shoulder months offer good deals & comfortable weather. Check forecast via Legend Travel Group support.

• Online Platforms — Use Google Flights, Skyscanner, Kayak or direct airline sites (Vietnam Airlines, VietJet Air, Cambodia Angkor Air).
• Tour Packages — Contact Legend Travel Group for flight + tour combos (visa assistance, airport transfers, Angkor guides).
• Advice — Book early for high season (Dec–Feb); compare total travel time including layovers; carry small USD for visa on arrival.

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

Flight Costs (One-Way Economy)

• Low season: $50–$90.
• High season: $80–$180.

Other Costs

• Cambodia visa: $30–$36.
• Airport transfer Siem Reap: $10–$25.
• Angkor pass: $37 (1 day), $62 (3 days).

Advice — Budget $70–$250 for the flight + visa depending on season and airline.

• Arrive at HAN 2 hours early for international departure.
• Choose morning flights to maximize your first day in Siem Reap.
• Use Grab or official taxis from SAI airport.
• Download offline maps (Maps.me) for Siem Reap and Angkor area.
• Safety: Keep valuables secure; emergency number 117/112.
• Sustainability: Choose direct flights to reduce emissions; support eco-friendly Angkor operators.

• Are there direct flights? Yes, multiple daily direct flights (~1.5 hours).
• Best airlines? Vietnam Airlines and Cambodia Angkor Air for comfort and reliability [Legend Travel Group expertise].
• Flight time? Approximately 1 hour 30 minutes direct.
• Visa needed? Yes, visa on arrival ($30) or e-visa recommended.
• Cheapest time? Shoulder seasons (Apr–May, Sep–Oct).
• Combine with tours? Yes, Legend Travel Group offers excellent Vietnam + Cambodia packages.

Combine your flight with sustainable tours:

• Classic Angkor Discovery ($800–$1,500/person, 5 days) — Siem Reap, Angkor Wat, Tonle Sap.
• Vietnam + Cambodia Explorer ($1,800–$3,500/person, 12 days) — Hanoi to Siem Reap seamless journey.
• Premium Angkor Experience ($1,200–$2,500/person, 7 days) — Luxury hotels, private guides, sunrise tours.

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

Flying from Hanoi to Siem Reap is one of the easiest and most rewarding short regional flights in Southeast Asia. With direct flights taking just 1.5 hours, simple visa procedures, and affordable fares, you can quickly step from Vietnam’s vibrant capital into the ancient wonders of Angkor. Whether witnessing sunrise at Angkor Wat, exploring Ta Prohm or cruising Tonle Sap, 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