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Cheap flights from Siem Reap to San Francisco from $621

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 6/23. 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

Find the cheapest flights from Siem Reap to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Vietnam Airlines Logo
9:45 pm - 5:55 pm
SAI
-
SFO
34h 10m
1 stop
Vietnam Airlines Logo
10:50 pm - 9:55 pm
SFO
-
SAI
33h 05m
1 stop
$1,066Vietnam Airlines
Fri, Jun 19 - Sun, Jun 28
Multiple Airlines Logo
9:45 pm - 6:45 am
SAI
-
SFO
23h 00m
2 stops
Multiple Airlines Logo
12:50 am - 6:55 pm
SFO
-
SAI
28h 05m
2 stops
$1,147Multiple Airlines
Fri, Jun 19 - Sat, Jun 27
Multiple Airlines Logo
9:40 am - 8:30 pm
SAI
-
SFO
24h 50m
2 stops
Multiple Airlines Logo
12:50 am - 6:55 pm
SFO
-
SAI
28h 05m
2 stops
$1,163Multiple Airlines
Fri, Jun 19 - Sat, Jun 27
Multiple Airlines Logo
9:45 am - 8:30 pm
SAI
-
SFO
24h 45m
2 stops
Multiple Airlines Logo
12:50 am - 6:55 pm
SFO
-
SAI
28h 05m
2 stops
$1,167Multiple Airlines
Mon, Jun 8 - Sun, Jun 21
Multiple Airlines Logo
9:40 am - 9:10 pm
SAI
-
SFO
25h 30m
2 stops
Multiple Airlines Logo
12:30 am - 6:55 pm
SFO
-
SAI
28h 25m
2 stops
$1,190Multiple Airlines
Thu, Jun 11 - Fri, Jun 19
Multiple Airlines Logo
12:55 pm - 8:30 pm
SAI
-
SFO
21h 35m
2 stops
Multiple Airlines Logo
12:50 am - 6:55 pm
SFO
-
SAI
28h 05m
2 stops
$1,198Multiple Airlines
Fri, Jun 19 - Sat, Jun 27
Multiple Airlines Logo
7:35 pm - 6:45 am
SAI
-
SFO
25h 10m
2 stops
Multiple Airlines Logo
12:30 pm - 5:55 pm
SFO
-
SAI
39h 25m
2 stops
$1,226Multiple Airlines
Thu, Jun 11 - Sat, Jun 20
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
$1,306Multiple Airlines
Thu, Jun 11 - Sat, Jun 20
Vietnam Airlines Logo
6:05 pm - 5:55 pm
SAI
-
SFO
37h 50m
2 stops
Vietnam Airlines Logo
10:50 pm - 6:20 pm
SFO
-
SAI
29h 30m
1 stop
$1,352Vietnam Airlines
Fri, Jun 19 - Sun, Jun 28
Multiple Airlines Logo
7:10 pm - 6:45 am
SAI
-
SFO
25h 35m
2 stops
Multiple Airlines Logo
1:25 am - 6:55 pm
SFO
-
SAI
27h 30m
2 stops
$1,369Multiple Airlines
Mon, Jun 29 - Wed, Jul 8

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Singapore Airlines flights from Region of Siem Reap to San Francisco

Our best Singapore Airlines deals on Region of Siem Reap to San Francisco flight tickets
Singapore Airlines
Jun 8
SAI10:30 amSiem Reap–Angkor Intl
37h 20m
1 stop
SFO9:50 amSan Francisco
Jun 22
SFO11:45 amSan Francisco
31h 55m
1 stop
SAI9:40 amSiem Reap–Angkor Intl
$2,416
Singapore Airlines
Jun 19
SAI4:00 pmSiem Reap–Angkor Intl
31h 50m
1 stop
SFO9:50 amSan Francisco
Jun 28
SFO11:45 amSan Francisco
61h 25m
1 stop
SAI3:10 pmSiem Reap–Angkor Intl
$2,455
Singapore Airlines
Apr 29
SAI10:30 amSiem Reap–Angkor Intl
36h 40m
1 stop
SFO9:10 amSan Francisco
Jun 2
SFO11:45 amSan Francisco
31h 55m
1 stop
SAI9:40 amSiem Reap–Angkor Intl
$3,039

Vietnam Airlines flights from Region of Siem Reap to San Francisco

Our best Vietnam Airlines deals on Region of Siem Reap to San Francisco flight tickets
Vietnam Airlines
Jun 19
SAI9:45 pmSiem Reap–Angkor Intl
34h 10m
1 stop
SFO5:55 pmSan Francisco
Jun 28
SFO10:50 pmSan Francisco
33h 05m
1 stop
SAI9:55 pmSiem Reap–Angkor Intl
$1,066
Vietnam Airlines
Jun 19
SAI6:05 pmSiem Reap–Angkor Intl
37h 50m
2 stops
SFO5:55 pmSan Francisco
Jun 28
SFO10:50 pmSan Francisco
29h 30m
1 stop
SAI6:20 pmSiem Reap–Angkor Intl
$1,352
Vietnam Airlines
Jun 11
SAI7:20 pmSiem Reap–Angkor Intl
60h 35m
2 stops
SFO5:55 pmSan Francisco
Jun 20
SFO10:50 pmSan Francisco
29h 05m
1 stop
SAI5:55 pmSiem Reap–Angkor Intl
$1,600

momondo Fare Finder

 
Customize your flight search to find flights from Region of 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 April 16, 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

9:45 pm-5:55 pm

1 stop34h 10m

San Francisco

Sun 6/28

10:50 pm-9:55 pm

1 stop33h 05m

$1,066

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Fri 6/19

9:45 pm-6:45 am

2 stops23h 00m

San Francisco

Sat 6/27

12:50 am-6:55 pm

2 stops28h 05m

$1,147

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Fri 6/19

9:40 am-8:30 pm

2 stops24h 50m

San Francisco

Sat 6/27

12:50 am-6:55 pm

2 stops28h 05m

$1,163

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Mon 6/8

9:45 am-8:30 pm

2 stops24h 45m

San Francisco

Sun 6/21

12:50 am-6:55 pm

2 stops28h 05m

$1,167

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Thu 6/11

9:40 am-9:10 pm

2 stops25h 30m

San Francisco

Fri 6/19

12:30 am-6:55 pm

2 stops28h 25m

$1,190
Quickest round-trip

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Fri 6/19

12:55 pm-8:30 pm

2 stops21h 35m

San Francisco

Sat 6/27

12:50 am-6:55 pm

2 stops28h 05m

$1,198

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-5:55 pm

2 stops39h 25m

$1,226

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

$1,306

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Fri 6/19

6:05 pm-5:55 pm

2 stops37h 50m

San Francisco

Sun 6/28

10:50 pm-6:20 pm

1 stop29h 30m

$1,352

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Mon 6/29

7:10 pm-6:45 am

2 stops25h 35m

San Francisco

Wed 7/8

1:25 am-6:55 pm

2 stops27h 30m

$1,369

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Region of 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 Region of Siem Reap to San Francisco flights?

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

Cheap Region of Siem Reap to San Francisco flight deals and tips

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

Fastest flight time

23h 00m

Direct flights

None
The fastest flight from Region of Siem Reap to San Francisco takes 23h 00m
There are no direct flights from Region of Siem Reap to San Francisco. There are no popular flight routes from Region of Siem Reap to San Francisco.
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Frequently asked questions about flying from Siem Reap to San Francisco

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

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

  • How old do you have to be to fly from Siem Reap 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 to San Francisco Airport.

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

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable 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
Hayward
Berkeley
Santa Clara
Fremont
Big Sur
Vallejo
Calistoga
Daly City
Salinas
Half Moon Bay
Milpitas
Pacific Grove
Sunnyvale

Why use momondo?

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

It is quick and easy to find Siem Reap to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

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 you have performed a search for Siem Reap to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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 simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Siem Reap and alert you when they change.

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