What is the cheapest airline that flies from California to Siem Reap?

China Eastern, Qatar Airways, and Vietnam Airlines are the most popular carriers operating from California to Siem Reap

How long is the flight from California to Region of Siem Reap?

Average flight duration from California to Region of Siem Reap depends on which airport you fly into and out of. Flying from Los Angeles to Siem Reap is 21h 50m on average, while flying from San Francisco to Siem Reap is 24h 25m on average. Siem Reap is the most popular airport in Region of Siem Reap.

When did momondo last update prices for flights from California to Siem Reap?

Prices for flights from California to Siem Reap refresh daily.

How many operators does momondo search for flights from California to Siem Reap?

As of May 2026, there are 2 operators available to choose from for flights from California to Siem Reap.

How old do you have to be to fly from California to Siem Reap?

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 California to Siem Reap.

What documentation or ID do you need to fly to Siem Reap?

The travel and health documents required for your trip to Siem Reap can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Siem Reap. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$460 Cheap Flights from California to Siem Reap in 2026

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Find the cheapest flights from California to Siem Reap

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:00 pm - 8:10 pm

SFO

SAI

42h 10m

2 stops

9:10 pm - 9:05 am

SAI

SFO

25h 55m

2 stops

$762China Eastern

Mon, Sep 14 - Wed, Oct 21

11:45 am - 3:10 pm

SFO

SAI

37h 25m

1 stop

10:30 am - 9:50 am

SAI

SFO

37h 20m

1 stop

$794Singapore Airlines

Mon, Sep 14 - Wed, Oct 21

12:00 pm - 8:10 pm

SFO

SAI

42h 10m

2 stops

9:10 pm - 9:05 am

SAI

SFO

25h 55m

2 stops

$818China Eastern

Mon, Sep 14 - Wed, Oct 21

11:45 am - 9:40 am

SFO

SAI

31h 55m

1 stop

10:30 am - 9:50 am

SAI

SFO

37h 20m

1 stop

$819Singapore Airlines

Thu, Sep 17 - Tue, Oct 20

9:40 am - 9:50 am

SFO

SAI

33h 10m

1 stop

10:45 am - 7:50 am

SAI

SFO

36h 05m

1 stop

$855Singapore Airlines

Fri, Nov 6 - Wed, Nov 18

12:00 pm - 8:10 pm

SFO

SAI

42h 10m

3 stops

9:10 pm - 9:05 am

SAI

SFO

25h 55m

2 stops

$868China Eastern

Mon, Sep 14 - Fri, Oct 23

11:45 am - 9:40 am

SFO

SAI

31h 55m

1 stop

10:30 am - 9:50 am

SAI

SFO

37h 20m

1 stop

$924Singapore Airlines

Fri, Sep 4 - Sat, Sep 19

11:30 pm - 3:10 pm

LAX

SAI

25h 40m

1 stop

10:45 am - 8:55 pm

SAI

LAX

24h 10m

1 stop

$961Singapore Airlines

Fri, Oct 2 - Tue, Oct 27

11:30 pm - 3:10 pm

LAX

SAI

25h 40m

1 stop

4:45 pm - 7:10 pm

SAI

LAX

40h 25m

1 stop

$962Singapore Airlines

Fri, Oct 2 - Tue, Oct 27

12:20 am - 6:55 pm

SFO

SAI

28h 35m

2 stops

7:35 pm - 10:55 am

SAI

SFO

29h 20m

2 stops

$989Multiple Airlines

Wed, Sep 16 - Tue, Oct 20

China Eastern flights from California to Region of Siem Reap

Our best China Eastern deals on California to Region of Siem Reap flight tickets

China Eastern

Sep 14

SFO12:00 pmSan Francisco

42h 10m

2 stops

SAI8:10 pmSiem Reap–Angkor Intl

Oct 21

SAI9:10 pmSiem Reap–Angkor Intl

25h 55m

2 stops

SFO9:05 amSan Francisco

$762

China Eastern

Sep 14

SFO12:00 pmSan Francisco

42h 10m

2 stops

SAI8:10 pmSiem Reap–Angkor Intl

Oct 21

SAI9:10 pmSiem Reap–Angkor Intl

25h 55m

2 stops

SFO9:05 amSan Francisco

$818

China Eastern

Sep 14

SFO12:00 pmSan Francisco

42h 10m

3 stops

SAI8:10 pmSiem Reap–Angkor Intl

Oct 23

SAI9:10 pmSiem Reap–Angkor Intl

25h 55m

2 stops

SFO9:05 amSan Francisco

$868

Singapore Airlines flights from California to Region of Siem Reap

Our best Singapore Airlines deals on California to Region of Siem Reap flight tickets

Singapore Airlines

Sep 14

SFO11:45 amSan Francisco

37h 25m

1 stop

SAI3:10 pmSiem Reap–Angkor Intl

Oct 21

SAI10:30 amSiem Reap–Angkor Intl

37h 20m

1 stop

SFO9:50 amSan Francisco

$794

Singapore Airlines

Sep 17

SFO11:45 amSan Francisco

31h 55m

1 stop

SAI9:40 amSiem Reap–Angkor Intl

Oct 20

SAI10:30 amSiem Reap–Angkor Intl

37h 20m

1 stop

SFO9:50 amSan Francisco

$819

Singapore Airlines

Nov 6

SFO9:40 amSan Francisco

33h 10m

1 stop

SAI9:50 amSiem Reap–Angkor Intl

Nov 18

SAI10:45 amSiem Reap–Angkor Intl

36h 05m

1 stop

SFO7:50 amSan Francisco

$855

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Mon 9/14

12:00 pm-8:10 pm

2 stops42h 10m

Siem Reap–Angkor Intl

Wed 10/21

9:10 pm-9:05 am

2 stops25h 55m

$762

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Mon 9/14

11:45 am-3:10 pm

1 stop37h 25m

Siem Reap–Angkor Intl

Wed 10/21

10:30 am-9:50 am

1 stop37h 20m

$794

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Mon 9/14

12:00 pm-8:10 pm

2 stops42h 10m

Siem Reap–Angkor Intl

Wed 10/21

9:10 pm-9:05 am

2 stops25h 55m

$818

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Thu 9/17

11:45 am-9:40 am

1 stop31h 55m

Siem Reap–Angkor Intl

Tue 10/20

10:30 am-9:50 am

1 stop37h 20m

$819

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Fri 11/6

9:40 am-9:50 am

1 stop33h 10m

Siem Reap–Angkor Intl

Wed 11/18

10:45 am-7:50 am

1 stop36h 05m

$855

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Mon 9/14

12:00 pm-8:10 pm

3 stops42h 10m

Siem Reap–Angkor Intl

Fri 10/23

9:10 pm-9:05 am

2 stops25h 55m

$868

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Fri 9/4

11:45 am-9:40 am

1 stop31h 55m

Siem Reap–Angkor Intl

Sat 9/19

10:30 am-9:50 am

1 stop37h 20m

$924

Quickest round-trip

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Fri 10/2

11:30 pm-3:10 pm

1 stop25h 40m

Siem Reap–Angkor Intl

Tue 10/27

10:45 am-8:55 pm

1 stop24h 10m

$961

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Fri 10/2

11:30 pm-3:10 pm

1 stop25h 40m

Siem Reap–Angkor Intl

Tue 10/27

4:45 pm-7:10 pm

1 stop40h 25m

$962

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Wed 9/16

12:20 am-6:55 pm

2 stops28h 35m

Siem Reap–Angkor Intl

Tue 10/20

7:35 pm-10:55 am

2 stops29h 20m

$989

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from California to Region of Siem Reap

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

Prices

Airlines

Other information

What is the cheapest month to fly to Region of Siem Reap?

The month of January is another great option to travel to Region of Siem Reap, with average flight prices from California averaging around $512.

Can stopping save me money on California to Region of Siem Reap flights?

You could potentially save up to 44% on your flight if you consider stops on a California to Region of Siem Reap flight.

Cheap California to Region of Siem Reap flight deals and tips

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

Fastest flight time	21h 50m
Direct flights	None

The fastest flight from California to Region of Siem Reap takes 21h 50m

There are no direct flights from California to Region of Siem Reap. There are no popular flight routes from California to Region of Siem Reap.

Search flight deals

Frequently asked questions about flying from California to Siem Reap

When did momondo last update prices for flights from California to Siem Reap?
Prices for flights from California to Siem Reap refresh daily.
How many operators does momondo search for flights from California to Siem Reap?
As of May 2026, there are 2 operators available to choose from for flights from California to Siem Reap.
How old do you have to be to fly from California to Siem Reap?
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 California to Siem Reap.
What documentation or ID do you need to fly to Siem Reap?
The travel and health documents required for your trip to Siem Reap can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Siem Reap. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from California to Region of Siem Reap

Compare and see reviews for airlines that fly from California to Region of Siem Reap with momondo

Airline	Rating	Free Cancellation	Price
Singapore Airlines	PriceFrom $599	Free Cancellation	Rating 8.2 1,510 reviews		Search Singapore Airlines flights
Vietnam Airlines	PriceFrom $647	Free Cancellation	Rating 7.7 267 reviews		Search Vietnam Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from California to Siem Reap. momondo saves you time and could save you money on your trip.

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

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

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

Once all potential California to Siem Reap 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 California to Siem Reap right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of California to Siem Reap flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Region of Siem Reap trip

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Cheap flights from California to Siem Reap from $460

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Siem Reap departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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China Eastern flights from California to Region of Siem Reap

Our best China Eastern deals on California to Region of Siem Reap flight tickets

Singapore Airlines flights from California to Region of Siem Reap

Our best Singapore Airlines deals on California to Region of Siem Reap flight tickets

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How to get the cheapest flight ticket from California to Region of Siem Reap

What is the cheapest month to fly to Region of Siem Reap?

Can stopping save me money on California to Region of Siem Reap flights?

What is the cheapest airline that flies from California to Siem Reap?

How long is the flight from California to Region of Siem Reap?

Cheap California to Region of Siem Reap flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from California to Siem Reap

Best airlines flying from California to Region of Siem Reap

Compare and see reviews for airlines that fly from California to Region of Siem Reap with momondo

Why use momondo?

An easier way to manage your Region of Siem Reap 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Siem Reap

Popular cities in Siem Reap

Popular flights according to clicks in the last 7 days on momondo

California flight routes

According to popular flight searches on momondo this year

Region of Siem Reap flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Siem Reap

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Siem Reap

List of cabin classes available on flights landing in Siem Reap. Availability may vary depending on flight origin and airline.

Complete your trip to Siem Reap

Explore popular destinations other users love

According to popular flight searches on momondo this year