Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Siem Reap to San Francisco from $575

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Siem Reap to San Francisco departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Siem Reap to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:35 pm - 6:45 am
SAI
-
SFO
25h 10m
2 stops
Multiple Airlines Logo
12:50 am - 6:55 pm
SFO
-
SAI
28h 05m
2 stops
$1,115Multiple Airlines
Fri, Jun 19 - Sat, Jun 27
Multiple Airlines Logo
7:45 pm - 6:45 am
SAI
-
SFO
25h 00m
2 stops
Multiple Airlines Logo
12:50 am - 5:10 pm
SFO
-
SAI
26h 20m
2 stops
$1,169Multiple Airlines
Mon, Jun 8 - Sun, Jun 21
Multiple Airlines Logo
7:45 pm - 6:45 am
SAI
-
SFO
25h 00m
2 stops
Multiple Airlines Logo
12:30 pm - 5:10 pm
SFO
-
SAI
38h 40m
2 stops
$1,183Multiple Airlines
Mon, Jun 8 - Mon, Jun 22
Vietnam Airlines Logo
7:10 pm - 5:55 pm
SAI
-
SFO
36h 45m
1 stop
Vietnam Airlines Logo
10:50 pm - 6:20 pm
SFO
-
SAI
29h 30m
1 stop
$1,249Vietnam Airlines
Tue, Jun 30 - Thu, Jul 9
Multiple Airlines Logo
12:55 pm - 9:00 pm
SAI
-
SFO
22h 05m
2 stops
Multiple Airlines Logo
12:50 am - 6:55 pm
SFO
-
SAI
28h 05m
2 stops
$1,277Multiple Airlines
Tue, Jun 30 - Wed, Jul 8
Multiple Airlines Logo
7:35 pm - 6:45 am
SAI
-
SFO
25h 10m
2 stops
Multiple Airlines Logo
12:30 pm - 6:20 pm
SFO
-
SAI
39h 50m
2 stops
$1,283Multiple Airlines
Thu, Jun 11 - Sat, Jun 20
Vietnam Airlines Logo
7:10 pm - 5:55 pm
SAI
-
SFO
36h 45m
1 stop
Vietnam Airlines Logo
10:50 pm - 6:20 pm
SFO
-
SAI
29h 30m
1 stop
$1,295Vietnam Airlines
Tue, Jun 30 - Thu, Jul 9
Multiple Airlines Logo
7:35 pm - 6:45 am
SAI
-
SFO
25h 10m
2 stops
Multiple Airlines Logo
12:30 pm - 8:45 am
SFO
-
SAI
30h 15m
2 stops
$1,299Multiple Airlines
Thu, Jun 11 - Sat, Jun 20
Vietnam Airlines Logo
7:10 pm - 5:55 pm
SAI
-
SFO
36h 45m
1 stop
Vietnam Airlines Logo
10:50 pm - 6:20 pm
SFO
-
SAI
29h 30m
1 stop
$1,317Vietnam Airlines
Tue, Jun 30 - Thu, Jul 9
Multiple Airlines Logo
10:35 pm - 7:20 am
SAI
-
SFO
22h 45m
2 stops
Multiple Airlines Logo
1:00 am - 6:55 pm
SFO
-
SAI
27h 55m
2 stops
$1,320Multiple Airlines
Tue, Jun 30 - Wed, Jul 8

Vietnam Airlines flights from Siem Reap to San Francisco

Our best Vietnam Airlines deals on Siem Reap to San Francisco flight tickets
Vietnam Airlines
Jun 30
SAI7:10 pmSiem Reap–Angkor Intl
36h 45m
1 stop
SFO5:55 pmSan Francisco
Jul 9
SFO10:50 pmSan Francisco
29h 30m
1 stop
SAI6:20 pmSiem Reap–Angkor Intl
$1,249
Vietnam Airlines
Jun 30
SAI7:10 pmSiem Reap–Angkor Intl
36h 45m
1 stop
SFO5:55 pmSan Francisco
Jul 9
SFO10:50 pmSan Francisco
29h 30m
1 stop
SAI6:20 pmSiem Reap–Angkor Intl
$1,295
Vietnam Airlines
Jun 30
SAI7:10 pmSiem Reap–Angkor Intl
36h 45m
1 stop
SFO5:55 pmSan Francisco
Jul 9
SFO10:50 pmSan Francisco
29h 30m
1 stop
SAI6:20 pmSiem Reap–Angkor Intl
$1,317

Emirates flights from Siem Reap to San Francisco

Our best Emirates deals on Siem Reap to San Francisco flight tickets
Emirates
Jun 11
SAI11:50 pmSiem Reap–Angkor Intl
52h 10m
2 stops
SFO2:00 pmSan Francisco
Jun 20
SFO4:12 pmSan Francisco
63h 18m
3 stops
SAI9:30 pmSiem Reap–Angkor Intl
$1,986
Emirates
Jun 11
SAI11:50 pmSiem Reap–Angkor Intl
52h 10m
2 stops
SFO2:00 pmSan Francisco
Jun 20
SFO4:12 pmSan Francisco
63h 18m
3 stops
SAI9:30 pmSiem Reap–Angkor Intl
$2,038
Emirates
Jun 30
SAI11:50 pmSiem Reap–Angkor Intl
35h 28m
3 stops
SFO9:18 pmSan Francisco
Jul 9
SFO5:05 pmSan Francisco
29h 10m
2 stops
SAI12:15 pmSiem Reap–Angkor Intl
$2,253

momondo Fare Finder

 
Customize your flight search to find flights from Siem Reap to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 10, 2026.
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

Cheapest round-trip

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Fri 6/19

7:35 pm-6:45 am

2 stops25h 10m

San Francisco

Sat 6/27

12:50 am-6:55 pm

2 stops28h 05m

$1,115

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Mon 6/8

7:45 pm-6:45 am

2 stops25h 00m

San Francisco

Sun 6/21

12:50 am-5:10 pm

2 stops26h 20m

$1,169

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Mon 6/8

7:45 pm-6:45 am

2 stops25h 00m

San Francisco

Mon 6/22

12:30 pm-5:10 pm

2 stops38h 40m

$1,183

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Tue 6/30

7:10 pm-5:55 pm

1 stop36h 45m

San Francisco

Thu 7/9

10:50 pm-6:20 pm

1 stop29h 30m

$1,249
Quickest round-trip

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Tue 6/30

12:55 pm-9:00 pm

2 stops22h 05m

San Francisco

Wed 7/8

12:50 am-6:55 pm

2 stops28h 05m

$1,277

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Thu 6/11

7:35 pm-6:45 am

2 stops25h 10m

San Francisco

Sat 6/20

12:30 pm-6:20 pm

2 stops39h 50m

$1,283

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Tue 6/30

7:10 pm-5:55 pm

1 stop36h 45m

San Francisco

Thu 7/9

10:50 pm-6:20 pm

1 stop29h 30m

$1,295

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Thu 6/11

7:35 pm-6:45 am

2 stops25h 10m

San Francisco

Sat 6/20

12:30 pm-8:45 am

2 stops30h 15m

$1,299

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Tue 6/30

7:10 pm-5:55 pm

1 stop36h 45m

San Francisco

Thu 7/9

10:50 pm-6:20 pm

1 stop29h 30m

$1,317

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Tue 6/30

10:35 pm-7:20 am

2 stops22h 45m

San Francisco

Wed 7/8

1:00 am-6:55 pm

2 stops27h 55m

$1,320

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Francisco from

How to get the cheapest flight ticket from Siem Reap to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Siem Reap to San Francisco flights?

You could potentially save up to 37% on your flight if you consider stops on a Siem Reap to San Francisco flight.

When to book flights from Siem Reap to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Siem Reap to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Siem Reap to San Francisco (SAI to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Siem Reap to San Francisco

Fastest flight time

25h 10m

Direct flights

None
The fastest flight from Siem Reap to San Francisco takes 25h 10m
There are no direct flights from Siem Reap to San Francisco. There are no popular flight routes from Siem Reap to San Francisco.
Search flight deals

Frequently asked questions about flying from Siem Reap to San Francisco

  • How far is Siem Reap–Angkor Intl to San Francisco by plane?

    The distance between Siem Reap–Angkor Intl and San Francisco is about 7799.7 mi. Flights usually cover this in 25h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Siem Reap–Angkor Intl Airport to San Francisco Airport?

    Prices for flights from Siem Reap–Angkor Intl Airport to San Francisco Airport refresh daily.

  • How old do you have to be to fly from Siem Reap–Angkor Intl Airport to San Francisco Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Siem Reap–Angkor Intl Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Walnut Creek
Roseville
Berkeley
Hayward
Santa Clara
Fremont
Vallejo
Big Sur
Calistoga
Sunnyvale
South San Francisco
Salinas
Daly City
Half Moon Bay
Pacific Grove

Why use momondo?

Why should I use momondo to find a flight deal from Siem Reap to San Francisco?

Finding the right flight to San Francisco from Siem Reap is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

Can I find flights from Siem Reap to San Francisco with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Francisco from Siem Reap with this policy.

How can momondo help me find flights from Siem Reap to San Francisco?

Once all potential Siem Reap to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Siem Reap to San Francisco right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Siem Reap to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 6/9
Tue 6/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States