San FranciscoPhnom Penh, Cambodia

Flights from San Francisco to Phnom Penh

Flying time from San Francisco (SFO) to Phnom Penh (PNH) is about 16h 20m.

Search SFO–PNH flights
About 16h 20m flying time

Book this route

San Francisco → Phnom Penh flights

Live prices for your dates on the booking site.

12,663 kmdistance
~16h 20mflying time
Ultra long-haulroute

Route snapshot: San Francisco to Phnom Penh

San Francisco (SFO) to Phnom Penh (PNH) is 12,663 km in a straight line, the equivalent of about 16h 20m in the air; we have not seen a nonstop fare on this pair.

Check fares, see which airlines fly this route, and sort out airports, visas, and what to do at the destination — all before you book.

Find hotels in Phnom Penh

Hotels, hostels & more · Expedia

Search hotels

Why travelers watch this route

Fares seen

We have no recent fare for SFO–PNH. Search the route for today's prices.

Seasonality

Phnom Penh demand usually strengthens around November – March, which can push fares higher on this corridor.

Who flies it

We have not confirmed a nonstop carrier on SFO–PNH; most travellers connect through a hub.

Airlines flying San Francisco to Phnom Penh

We have not confirmed which airlines fly SFO–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
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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

We have not seen a nonstop fare between San Francisco (SFO) and Phnom Penh (PNH), so most itineraries connect through a hub.

Fares & Price Guide

No recent fare is recorded for SFO–PNH. Set a fare alert to be told when prices are found.

About Phnom Penh, Cambodia

Flights arrive at Phnom Penh International Airport (PNH). Best visited during November – March. See the destination guide for hotels, visa requirements and travel tips.

Plan this route beyond the fare

Use the wider AirConnect network to move from a route check into airports, airlines, visa, and trip planning.

Explore related route clusters

More routes in this part of the world.

Frequently asked questions — San Francisco to Phnom Penh flights

How long is the flight from San Francisco to Phnom Penh?
San Francisco (SFO) and Phnom Penh (PNH) are 12,663 km apart, about 16h 20m 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 San Francisco from Phnom Penh by air?
The great-circle distance between San Francisco International Airport and Phnom Penh International Airport is 12,663 km (7,868 miles), a ultra long-haul route.
Do I need a visa to travel from San Francisco 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 8 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.

Ready to book SFO–PNH?

Set a fare alert, check your visa, or search flights now.