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Cheap flights from Siem Reap to San Francisco from $632

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 11/21. 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
1 adult, Economy, 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.
Multiple Airlines Logo
12:55 pm - 7:55 pm
SAI
-
SFO
21h 00m
2 stops
Multiple Airlines Logo
10:50 pm - 8:45 am
SFO
-
SAI
19h 55m
1 stop
$1,787Multiple Airlines
Mon, Jun 29 - Sat, Jul 18
Multiple Airlines Logo
12:55 pm - 7:55 pm
SAI
-
SFO
21h 00m
2 stops
Multiple Airlines Logo
10:50 pm - 8:45 am
SFO
-
SAI
19h 55m
1 stop
$1,791Multiple Airlines
Mon, Jun 29 - Sun, Jul 19
Multiple Airlines Logo
3:10 pm - 11:15 pm
SAI
-
SFO
22h 05m
2 stops
Multiple Airlines Logo
10:50 pm - 8:45 am
SFO
-
SAI
19h 55m
1 stop
$2,002Multiple Airlines
Mon, Jun 29 - Thu, Jul 16
Qatar Airways Logo
9:40 am - 1:55 pm
SAI
-
SFO
42h 15m
2 stops
Qatar Airways Logo
3:55 pm - 12:15 pm
SFO
-
SAI
30h 20m
2 stops
$2,161Qatar Airways
Mon, Jun 29 - Thu, Jul 16
Qatar Airways Logo
12:55 pm - 1:35 pm
SAI
-
SFO
38h 40m
2 stops
Qatar Airways Logo
3:55 pm - 12:15 pm
SFO
-
SAI
30h 20m
2 stops
$2,306Qatar Airways
Mon, Jun 29 - Sat, Jul 18
Singapore Airlines Logo
10:30 am - 9:50 am
SAI
-
SFO
37h 20m
1 stop
Singapore Airlines Logo
11:45 am - 9:40 am
SFO
-
SAI
31h 55m
1 stop
$2,728Singapore Airlines
Mon, Jun 29 - Wed, Jul 15
Singapore Airlines Logo
10:30 am - 9:50 am
SAI
-
SFO
37h 20m
1 stop
Singapore Airlines Logo
11:45 am - 9:40 am
SFO
-
SAI
31h 55m
1 stop
$2,986Singapore Airlines
Mon, Jun 29 - Sat, Jul 18
Singapore Airlines Logo
10:30 am - 9:50 am
SAI
-
SFO
37h 20m
1 stop
Singapore Airlines Logo
11:45 am - 9:40 am
SFO
-
SAI
31h 55m
1 stop
$3,269Singapore Airlines
Mon, Jun 29 - Thu, Jul 16

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Qatar Airways flights from Region of Siem Reap to San Francisco

Our best Qatar Airways deals on Region of Siem Reap to San Francisco flight tickets
Qatar Airways
Jun 23
SAI7:35 pmSiem Reap–Angkor Intl
32h 00m
2 stops
SFO1:35 pmSan Francisco
Jul 14
SFO3:55 pmSan Francisco
37h 00m
2 stops
SAI6:55 pmSiem Reap–Angkor Intl
$1,692
Qatar Airways
Jun 23
SAI7:35 pmSiem Reap–Angkor Intl
32h 20m
2 stops
SFO1:55 pmSan Francisco
Jul 13
SFO3:55 pmSan Francisco
37h 00m
2 stops
SAI6:55 pmSiem Reap–Angkor Intl
$1,758
Qatar Airways
Jun 29
SAI12:55 pmSiem Reap–Angkor Intl
39h 00m
2 stops
SFO1:55 pmSan Francisco
Jul 13
SFO3:55 pmSan Francisco
30h 20m
2 stops
SAI12:15 pmSiem Reap–Angkor Intl
$2,161

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 29
SAI10:30 amSiem Reap–Angkor Intl
37h 20m
1 stop
SFO9:50 amSan Francisco
Jul 15
SFO11:45 amSan Francisco
31h 55m
1 stop
SAI9:40 amSiem Reap–Angkor Intl
$2,728
Singapore Airlines
Jun 29
SAI10:30 amSiem Reap–Angkor Intl
37h 20m
1 stop
SFO9:50 amSan Francisco
Jul 18
SFO11:45 amSan Francisco
31h 55m
1 stop
SAI9:40 amSiem Reap–Angkor Intl
$2,986
Singapore Airlines
Jun 29
SAI10:30 amSiem Reap–Angkor Intl
37h 20m
1 stop
SFO9:50 amSan Francisco
Jul 16
SFO11:45 amSan Francisco
31h 55m
1 stop
SAI9:40 amSiem Reap–Angkor Intl
$3,269

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 June 19, 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
Quickest round-trip

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Mon 6/29

12:55 pm-7:55 pm

2 stops21h 00m

San Francisco

Sat 7/18

10:50 pm-8:45 am

1 stop19h 55m

$1,787

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Mon 6/29

12:55 pm-7:55 pm

2 stops21h 00m

San Francisco

Sun 7/19

10:50 pm-8:45 am

1 stop19h 55m

$1,791

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Mon 6/29

3:10 pm-11:15 pm

2 stops22h 05m

San Francisco

Thu 7/16

10:50 pm-8:45 am

1 stop19h 55m

$2,002

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Mon 6/29

9:40 am-1:55 pm

2 stops42h 15m

San Francisco

Thu 7/16

3:55 pm-12:15 pm

2 stops30h 20m

$2,161

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Mon 6/29

12:55 pm-1:35 pm

2 stops38h 40m

San Francisco

Sat 7/18

3:55 pm-12:15 pm

2 stops30h 20m

$2,306

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Mon 6/29

10:30 am-9:50 am

1 stop37h 20m

San Francisco

Wed 7/15

11:45 am-9:40 am

1 stop31h 55m

$2,728

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Mon 6/29

10:30 am-9:50 am

1 stop37h 20m

San Francisco

Sat 7/18

11:45 am-9:40 am

1 stop31h 55m

$2,986

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Mon 6/29

10:30 am-9:50 am

1 stop37h 20m

San Francisco

Thu 7/16

11:45 am-9:40 am

1 stop31h 55m

$3,269
Cheapest one-way
Quickest one-way

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Sat 11/21

9:30 pm-6:40 am

2 stops24h 10m

$632

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Sat 11/21

10:00 pm-9:00 am

3 stops50h 00m

$646

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 13% 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

26h 15m

Direct flights

None
The fastest flight from Region of Siem Reap to San Francisco takes 26h 15m
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
Hayward
Bodega Bay
Roseville
Fremont
Walnut Creek
Santa Clara
South San Francisco
Berkeley
Vallejo
Sunnyvale
Salinas
Big Sur
Pacific Grove
Daly City
Burlingame
Calistoga

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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