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Use the flight search on our homepage to compare prices across hundreds of airlines. AirConnect also offers destination guides, event travel pages, visa tools, and fare alerts to help you plan the perfect trip — not just find the cheapest ticket.

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Yes. AirConnect offers a free Visa Checker tool that shows visa requirements, e-visa options, and visa-on-arrival eligibility for your nationality and destination country.

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How long is the flight from SEA to Phnom Penh?

The flight from SEA (SEA) to Phnom Penh (PNH) takes approximately 14h 45m — a distance of around 11,969 km. Actual flight time varies by airline, aircraft type, winds, and whether you fly direct or connect via a hub. Connecting itineraries can add 2–6 hours to total travel time.

Which airlines fly from SEA to Phnom Penh?

Airlines commonly serving the SEA–PNH route or connecting it via hubs include Singapore Airlines, Japan Airlines, Korean Air, Cathay Pacific, Malaysia Airlines and others. Availability changes by season. Use the flight search above to see all current carriers and compare live fares.

What is the cheapest time to fly from SEA to Phnom Penh?

Fares on SEA–PNH tend to be lowest when booked 6–10 weeks ahead and on weekday departures. Use AirConnect's fare alert tool to get notified when prices drop to your target level.

How much does a flight from SEA to Phnom Penh cost?

Economy fares on the SEA–PNH route typically range from $600 to $1600 USD one-way (Ultra long-haul). Business class fares are generally 3–5× higher. Prices fluctuate based on demand, season, and how far in advance you book. Search above for the current best fare and use our fare alert to track price changes automatically.

Do I need a visa to travel from SEA to Cambodia?

Visa requirements depend entirely on your passport nationality. Some nationalities enjoy visa-free or visa-on-arrival access to Cambodia; others must apply in advance through an embassy or e-visa portal. Use AirConnect's free Visa Checker tool to check requirements for your specific passport in under 30 seconds.

What is the best time to visit Phnom Penh?

The cool dry season (November–March) is peak time, especially for Angkor Wat. April is extremely hot. The green season (May–October) sees rain but fewer crowds and lower prices. For the SEA–Phnom Penh route, book early if you plan to travel during the November – March peak window — fares and accommodation fill quickly during this period.

SEAPhnom Penh, Cambodia

Flights from SEA to Phnom Penh

Compare airlines and fares on SEA–PNH. Find cheap flights, flexible dates, and instant booking.

Best price guarantee

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Multiple airlines compared

11,969 kmdistance

~14h 45mflight time

from $600one-way

Ultra long-haulroute

Search Flights: SEA (SEA) → Phnom Penh (PNH)

Airlines flying SEA to Phnom Penh

These carriers commonly operate the SEA–PNH route or connect via regional hubs.

✈ Singapore Airlines✈ Japan Airlines✈ Korean Air✈ Cathay Pacific✈ Malaysia Airlines

Best time to fly to Phnom Penh

Based on weather and travel conditions in Cambodia

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Best monthsGoodAvoid if possible

The cool dry season (November–March) is peak time, especially for Angkor Wat. April is extremely hot. The green season (May–October) sees rain but fewer crowds and lower prices.

Peak season: November – March

Direct & Connecting Flights

Multiple airlines operate between SEA (SEA) and Phnom Penh (PNH). Compare direct and connecting options to find the best price. Direct flights take approximately 14h 45m.

Fares & Price Guide

Economy fares on SEA–PNH typically range from $600 to $1600 USD one-way. Book 6–10 weeks ahead for the best prices, or set a fare alert to catch price drops automatically.

About Phnom Penh, Cambodia

Phnom Penh is a popular destination for AirConnect travellers. Best visited during November – March. Browse our destination guide for hotels, visa requirements, and travel tips.

Deals on SEA → Phnom Penh

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Frequently asked questions — SEA to Phnom Penh flights

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