In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest time of day to fly from SI to SFO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Siem Reap to San Francisco as you normally would.

What airport do you fly into for flights to San Francisco from Siem Reap?

If you book a flight to San Francisco from Siem Reap, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.

Can I find deals for flights from Siem Reap to San Francisco that include hotel bookings?

Yes. In addition to deals on Siem Reap to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Siem Reap to San Francisco?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Siem Reap to San Francisco.

Can I find deals for business class flights from Siem Reap to San Francisco?

Yes. Cheapflights offers flight deals from Siem Reap to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$506+ Flights from Siem Reap to San Francisco

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Cheap flight deals from Siem Reap to San Francisco

One-way flights from Siem Reap to San Francisco
Search for one-way flight options from Siem Reap to San Francisco. Find affordable one-way fares based on user searches. Data last updated janeiro 28, 2026.

sáb 2/76:30 pm

SAI

SFO

1 stop37h 30m

Vietnam Airlines

Deal found 1/26

$506

sáb 2/76:50 pm

SAI

SFO

2 stops57h 50m

Multiple Airlines

Deal found 1/26

$520

qua 4/227:05 pm

SAI

SFO

3 stops57h 55m

Multiple Airlines

Deal found 1/25

$2,196

seg 4/207:05 pm

SAI

SFO

3 stops33h 55m

Multiple Airlines

Deal found 1/25

$2,214

ter 4/217:05 pm

SAI

SFO

3 stops57h 55m

Multiple Airlines

Deal found 1/25

$2,237

qua 4/17:05 pm

SAI

SFO

3 stops38h 50m

Multiple Airlines

Deal found 1/28

$2,611

ter 4/2110:30 am

SAI

SFO

1 stop36h 40m

Singapore Airlines

Deal found 1/25

$2,631

Find flight deals from Siem Reap to San Francisco

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Provider with most accurate pricing for Siem Reap–Angkor Intl-San Francisco flight deals.

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Use the filters below to find and compare flights from Siem Reap to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

sáb 2/7

6:30 pm-5:00 pm

1 stop37h 30m

$506

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

sáb 2/7

6:50 pm-1:40 pm

2 stops57h 50m

$520

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

qua 4/22

7:05 pm-3:00 pm

3 stops57h 55m

$2,196

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

seg 4/20

7:05 pm-3:00 pm

3 stops33h 55m

$2,214

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

ter 4/21

7:05 pm-3:00 pm

3 stops57h 55m

$2,237

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

qua 4/1

7:05 pm-7:55 pm

3 stops38h 50m

$2,611

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

ter 4/21

10:30 am-9:10 am

1 stop36h 40m

$2,631

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Best time to book a flight from Siem Reap to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Siem Reap with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Everything you need to know about your flight from Siem Reap to San Francisco

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Related info for your journey

What airport do you fly into for flights to San Francisco from Siem Reap?
If you book a flight to San Francisco from Siem Reap, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.
Can I find deals for flights from Siem Reap to San Francisco that include hotel bookings?
Yes. In addition to deals on Siem Reap to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Siem Reap to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Siem Reap to San Francisco.
Can I find deals for business class flights from Siem Reap to San Francisco?
Yes. Cheapflights offers flight deals from Siem Reap to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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$506+ Cheap flights from Siem Reap to San Francisco (SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Siem Reap to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Siem Reap to San Francisco

One-way flights from Siem Reap to San FranciscoSearch for one-way flight options from Siem Reap to San Francisco. Find affordable one-way fares based on user searches. Data last updated janeiro 28, 2026.

Search for one-way flight options from Siem Reap to San Francisco. Find affordable one-way fares based on user searches. Data last updated janeiro 28, 2026.

Find flight deals from Siem Reap to San Francisco

Keep the following information in mind while searching for Siem Reap to San Francisco flight deals. Data was last updated janeiro 28, 2026.

Most accurate provider

Most trusted provider

Cheapflights Fare Finder

Use the filters below to find and compare flights from Siem Reap to San Francisco that are best for you.

Best time to book a flight from Siem Reap to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Siem Reap with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Siem Reap to San Francisco

Related info for your journey

Find useful and relevant information for your journey from Siem Reap to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to San Francisco from Siem Reap?

Can I find deals for flights from Siem Reap to San Francisco that include hotel bookings?

How can I find direct flights from Siem Reap to San Francisco?

Can I find deals for business class flights from Siem Reap to San Francisco?

Traveling to a place near San Francisco?

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One-way flights from Siem Reap to San Francisco
Search for one-way flight options from Siem Reap to San Francisco. Find affordable one-way fares based on user searches. Data last updated janeiro 28, 2026.