Discover the modern skyline and bustling streets of Phnom Penh from an aerial perspective. — flights from Seattle to Phnom Penh
SeattlePhnom Penh, Cambodia

Flights from Seattle to Phnom Penh

Flying time from Seattle (SEA) to Phnom Penh (PNH) is about 15h 28m (11,969 km).

All flights from Seattle →All flights to Phnom Penh →

Photo of Phnom Penh: Nara Tsitra on Pexels.

When you land in Phnom Penh

The airport transfer and the few things worth sorting before you fly.

Find hotels in Phnom Penh

Hotels, hostels & more · Expedia

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Airlines flying Seattle to Phnom Penh

We have not confirmed which airlines fly SEA–PNH nonstop. Search the route to see every carrier selling it today, including connections.

Best time to fly to Phnom Penh

Based on weather and travel conditions in Cambodia

Jan
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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

More for this trip

Frequently asked questions — Seattle to Phnom Penh flights

How long is the flight from Seattle to Phnom Penh?
Seattle (SEA) and Phnom Penh (PNH) are 11,969 km apart, about 15h 28m of flying time. We have not seen a nonstop fare on this pair, so expect to connect, which adds to the total journey time.
How far is Seattle from Phnom Penh by air?
The great-circle distance between Seattle–Tacoma International Airport and Phnom Penh International Airport is 11,969 km (7,437 miles), a ultra long-haul route.
Do I need a visa to travel from Seattle to Cambodia?
It depends on your passport. Some nationalities can enter Cambodia visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.
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.

Sources: fares from Travelpayouts flight-search data, seen 12 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

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