How to Fly from Seoul to Siem Reap: Flight Guide, Tips, Costs & Best Airlines 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 South Korean citizens.

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=> 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 temples, is one of the most enchanting destinations from Seoul — visa on arrival or e-visa available for South Korean citizens (up to 30 days), convenient direct and connecting flights from Incheon International Airport (ICN) to Siem Reap International Airport (SAI) or via Phnom Penh (PNH), vibrant Khmer culture, world-famous ancient temples, floating villages, and excellent value for money. From the awe-inspiring Angkor Wat at sunrise, Bayon Temple’s smiling faces, Ta Prohm’s jungle roots, to Tonle Sap Lake and vibrant night markets, the Best Cambodia Tours from Legend Travel Group offer perfectly tailored experiences blending history, spirituality, 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 South Korea and Cambodia seamlessly. This guide provides practical flight information, tips and sustainable travel ideas.

Administrative Note

South Korean citizens can obtain a visa on arrival (30 days, $30 USD) or apply for an e-visa online. Passport valid 6+ months required. No vaccinations required but recommended: Hepatitis A/B, Typhoid. Flight costs vary ($250–$650+ round-trip depending on season and booking time). Direct flights available seasonally; most routes have 1 stop. Main arrival airport: Siem Reap (SAI). Verify travel advisories, visa rules and entry requirements via official sources or Legend Travel Group support.

Main Routes & Airlines

• Direct Flights — Korean Air, Cambodia Angkor Air, or Air Premia (seasonal direct ICN–SAI, ~5–5.5 hours).
• Connecting Flights — Via Hanoi (HAN), Ho Chi Minh City (SGN), Bangkok (BKK), Kuala Lumpur (KUL), or Singapore (SIN): Vietnam Airlines, Thai Airways, Malaysia Airlines, Singapore Airlines, Asiana Airlines.
• Flight Time — Direct: ~5–5.5 hours; with 1 stop: 7–12 hours total (including layover).
• Best Airlines — Korean Air and Cambodia Angkor Air for direct comfort; Vietnam Airlines or Thai Airways for reliable connections [Legend Travel Group expertise].
• Accessibility from Seoul — Depart from ICN; major hubs include Bangkok, Hanoi, Ho Chi Minh City; short internal transfers if landing in Phnom Penh.

Key Tips for Booking

• Book 1–3 months in advance for best prices (cheapest mid-week departures).
• Use Google Flights, Skyscanner or airline sites to compare.
• Consider flexible dates; dry season (Nov–Apr) has more flight options but higher prices.
• Check baggage allowances — Korean carriers usually offer 23kg+ checked baggage.

Visa Options

• Visa on Arrival — Available at Siem Reap Airport ($30 USD cash, 30 days).
• E-Visa — Apply online (official e-visa portal); faster processing, $36 USD.
• Passport must have 6+ months validity and blank pages.
• Print e-visa or keep arrival form ready.

General Advice:

• Respect Khmer customs; dress modestly at temples (shoulders and knees covered).
• Remove shoes before entering temple buildings.

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

1. Direct Flight (Fastest & Most Convenient)

• Airlines — Korean Air or Cambodia Angkor Air (seasonal).
• Duration — ~5–5.5 hours.
• Cost — Round-trip often $350–$550 (economy).
• Tip — Direct flights save time and reduce fatigue; one traveller noted: “Arrived fresh and ready to explore Angkor right away.”

2. Best Value Connection (via Bangkok or Hanoi)

• Airlines — Thai Airways (via BKK) or Vietnam Airlines (via HAN/SGN).
• Duration — 7–10 hours total.
• Cost — Round-trip from $250–$450.
• Tip — Short layovers in Bangkok or Hanoi often offer great food options.

3. Premium Comfort (via Singapore or Kuala Lumpur)

• Airlines — Singapore Airlines (via SIN) or Malaysia Airlines (via KUL).
• Duration — 8–12 hours.
• Cost — Round-trip $450–$650+.
• Tip — Excellent service and lounges; ideal for business class travellers.

4. Multi-City Options

• Fly into Siem Reap (SAI), depart from 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 temperatures, low rain, ideal for temple exploration and sunrise at Angkor Wat.
• May–October (wet season) — Afternoon showers, lush greenery, fewer crowds, lower flight prices.

Dry season (Nov–Apr) is ideal for first-time visitors. Shoulder months (Apr–May, Oct) offer good deals and manageable weather. Check forecast via Legend Travel Group support.

• Online Platforms — Use Google Flights, Skyscanner, Kayak or direct airline sites (Korean Air, 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 durations; carry small USD for visa on arrival; confirm visa approval before departure.

• Documents — Passport (6+ months validity), printed e-visa or cash for visa on arrival, flight tickets.
• Clothing — Modest attire for temples (long pants/skirts, covered shoulders), lightweight clothes, comfortable walking shoes, hat & sunscreen.
• Essentials — Reusable water bottle, insect repellent, power bank, travel adapter (Type A/C).
• Extras — Small USD notes, first-aid kit, rain jacket (wet season). Advice — Pack light; reusable items support sustainability.

Flight Costs (Round-Trip Economy)

• Low season: $250–$400.
• High season: $400–$650+.

Other Costs

• Visa on arrival / e-visa: $30–$36.
• Airport transfers in Siem Reap: $10–$25.
• Internal Cambodia flights (if needed): $50–$120.

Advice — Budget $300–$700+ for flights depending on season and class.

• Arrive at ICN 3 hours early for international flights.
• Choose shorter layovers (1–3 hours) when possible.
• Stay hydrated and move during long flights.
• Download offline maps (Maps.me) for Siem Reap and Angkor area.
• Use Grab or tuk-tuk apps for local transport.
• Safety: Keep valuables secure; emergency number 117/112.
• Sustainability: Choose airlines with carbon offset programs; support ethical Angkor tours.

• Are there direct flights? Yes, seasonal direct flights with Korean Air or Cambodia Angkor Air (~5–5.5 hours).
• Best airlines? Korean Air for comfort; Vietnam Airlines or Thai Airways for reliable connections [Legend Travel Group expertise].
• Visa needed? Yes — visa on arrival ($30) or e-visa recommended.
• Cheapest time? Shoulder seasons (May, Oct).
• How to combine with tours? Yes, Legend Travel Group offers flight-inclusive Angkor packages.

Combine your flight with sustainable Cambodia tours:

• Classic Angkor Discovery ($800–$1,500/person, 6 days) — Siem Reap temples, Tonle Sap, cultural shows.
• Premium Cambodia Explorer ($1,500–$3,000/person, 10 days) — Siem Reap, Phnom Penh, Battambang with luxury stays.
• Angkor Sunrise Eco-Tour ($900–$1,800/person, 7 days) — Responsible temple visits and community support.

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

Flying from Seoul to Siem Reap opens the door to one of Southeast Asia’s greatest wonders — the majestic Angkor temples. With direct flights as short as 5 hours or convenient connections, simple visa procedures, and affordable costs, this journey is easier than ever. Whether witnessing sunrise at Angkor Wat, exploring jungle-covered temples, or cruising Tonle Sap, respect local customs and plan ahead for an unforgettable experience. For flight + tour packages, check Legend Travel Group resources. Safe travels!

Sources:

• Legend Travel Group expertise
• Airline websites & flight aggregators