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Cheap flights from Siem Reap to San Francisco from $873

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 4/19. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:00 pm - 5:55 pm
SAI
-
SFO
16h 55m
1 stop
Multiple Airlines Logo
10:50 pm - 6:20 pm
SFO
-
SAI
29h 30m
1 stop
$1,042Multiple Airlines
Thu, Jun 18 - Sat, Jun 27
Multiple Airlines Logo
1:05 pm - 6:45 am
SAI
-
SFO
31h 40m
2 stops
Multiple Airlines Logo
12:30 pm - 9:00 am
SFO
-
SAI
30h 30m
2 stops
$1,048Multiple Airlines
Mon, Jun 8 - Mon, Jun 22
Multiple Airlines Logo
7:30 pm - 6:45 am
SAI
-
SFO
25h 15m
2 stops
Multiple Airlines Logo
12:30 pm - 9:00 am
SFO
-
SAI
30h 30m
2 stops
$1,061Multiple Airlines
Thu, Jun 18 - Sat, Jun 27
Multiple Airlines Logo
9:45 am - 4:10 pm
SAI
-
SFO
20h 25m
2 stops
Multiple Airlines Logo
1:15 am - 6:20 pm
SFO
-
SAI
27h 05m
2 stops
$1,130Multiple Airlines
Wed, Jun 10 - Fri, Jun 19
Multiple Airlines Logo
7:30 pm - 6:45 am
SAI
-
SFO
25h 15m
2 stops
Multiple Airlines Logo
12:30 pm - 6:20 pm
SFO
-
SAI
39h 50m
2 stops
$1,150Multiple Airlines
Thu, Jun 11 - Sat, Jun 20
Multiple Airlines Logo
7:10 pm - 5:55 pm
SAI
-
SFO
36h 45m
1 stop
Multiple Airlines Logo
10:50 pm - 8:45 am
SFO
-
SAI
19h 55m
1 stop
$1,175Multiple Airlines
Wed, Jun 10 - Sun, Jun 21
Multiple Airlines Logo
9:45 am - 5:55 pm
SAI
-
SFO
22h 10m
1 stop
Multiple Airlines Logo
10:50 pm - 1:15 pm
SFO
-
SAI
24h 25m
1 stop
$1,181Multiple Airlines
Thu, Jun 11 - Sun, Jun 21
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
$1,193Vietnam Airlines
Wed, Jun 10 - Sat, Jun 20
Multiple Airlines Logo
3:00 pm - 5:55 pm
SAI
-
SFO
16h 55m
1 stop
Multiple Airlines Logo
10:50 pm - 6:20 pm
SFO
-
SAI
29h 30m
1 stop
$1,217Multiple Airlines
Thu, Jun 11 - Sat, Jun 20
Multiple Airlines Logo
3:00 pm - 5:55 pm
SAI
-
SFO
16h 55m
1 stop
Multiple Airlines Logo
10:50 pm - 6:20 pm
SFO
-
SAI
29h 30m
1 stop
$1,221Multiple Airlines
Thu, Jun 11 - Sat, Jun 20

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 11
SAI6:05 pmSiem Reap–Angkor Intl
61h 50m
2 stops
SFO5:55 pmSan Francisco
Jun 20
SFO10:50 pmSan Francisco
29h 30m
1 stop
SAI6:20 pmSiem Reap–Angkor Intl
$1,501
Vietnam Airlines
Jun 11
SAI6:05 pmSiem Reap–Angkor Intl
61h 50m
2 stops
SFO5:55 pmSan Francisco
Jun 20
SFO10:50 pmSan Francisco
29h 30m
1 stop
SAI6:20 pmSiem Reap–Angkor Intl
$1,557

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
SFO4:23 pmSan Francisco
63h 07m
3 stops
SAI9:30 pmSiem Reap–Angkor Intl
$1,879
Emirates
Jun 11
SAI11:50 pmSiem Reap–Angkor Intl
52h 10m
2 stops
SFO2:00 pmSan Francisco
Jun 20
SFO4:23 pmSan Francisco
63h 07m
3 stops
SAI9:30 pmSiem Reap–Angkor Intl
$1,911

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 March 28, 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

Thu 6/18

3:00 pm-5:55 pm

1 stop16h 55m

San Francisco

Sat 6/27

10:50 pm-6:20 pm

1 stop29h 30m

$1,042

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Mon 6/8

1:05 pm-6:45 am

2 stops31h 40m

San Francisco

Mon 6/22

12:30 pm-9:00 am

2 stops30h 30m

$1,048

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Thu 6/18

7:30 pm-6:45 am

2 stops25h 15m

San Francisco

Sat 6/27

12:30 pm-9:00 am

2 stops30h 30m

$1,061

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Wed 6/10

9:45 am-4:10 pm

2 stops20h 25m

San Francisco

Fri 6/19

1:15 am-6:20 pm

2 stops27h 05m

$1,130

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Thu 6/11

7:30 pm-6:45 am

2 stops25h 15m

San Francisco

Sat 6/20

12:30 pm-6:20 pm

2 stops39h 50m

$1,150

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Wed 6/10

7:10 pm-5:55 pm

1 stop36h 45m

San Francisco

Sun 6/21

10:50 pm-8:45 am

1 stop19h 55m

$1,175

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Thu 6/11

9:45 am-5:55 pm

1 stop22h 10m

San Francisco

Sun 6/21

10:50 pm-1:15 pm

1 stop24h 25m

$1,181

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Wed 6/10

7:10 pm-5:55 pm

1 stop36h 45m

San Francisco

Sat 6/20

10:50 pm-6:20 pm

1 stop29h 30m

$1,193

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Thu 6/11

3:00 pm-5:55 pm

1 stop16h 55m

San Francisco

Sat 6/20

10:50 pm-6:20 pm

1 stop29h 30m

$1,217

Siem ReapSan Francisco

SAI - SFO

SAISFO

Siem Reap–Angkor Intl

Thu 6/11

3:00 pm-5:55 pm

1 stop16h 55m

San Francisco

Sat 6/20

10:50 pm-6:20 pm

1 stop29h 30m

$1,221

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 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

What is the cheapest airline that flies from Siem Reap–Angkor Intl to San Francisco?

Emirates is the most popular carrier operating from Siem Reap–Angkor Intl to San Francisco

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

31h 40m

Direct flights

None
The fastest flight from Siem Reap to San Francisco takes 31h 40m
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

  • 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 31h 40m, 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
Hayward
Berkeley
Santa Clara
Big Sur
Fremont
Calistoga
Vallejo
Salinas
Daly City
Half Moon Bay
Milpitas
South San Francisco
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.

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