How long does it take to fly to Siem Reap?

On average, it takes 22h 25m to fly from California to Siem Reap if you fly out of Los Angeles (the most popular airport in California) and into Siem Reap (the most popular airport in Siem Reap). If you’re flying out of San Francisco and into Siem Reap, then the flight time is around 29h.

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

Singapore Airlines, Qatar Airways, and EVA Air are the most popular carriers operating from California to Siem Reap–Angkor Intl

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

Prices for flights from California to Siem Reap–Angkor Intl Airport were last updated today.

How many operators does momondo search for flights from California to Siem Reap–Angkor Intl Airport?

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

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Siem Reap–Angkor Intl Airport.

What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

The required travel and health documents for your Siem Reap–Angkor Intl 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 Siem Reap–Angkor Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$460 Cheap Flights from California to Siem Reap in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

12:30 pm - 8:10 pm

LAX

SAI

41h 40m

2 stops

10:00 pm - 10:05 am

SAI

LAX

50h 05m

3 stops

$715China Eastern

Mon, Sep 7 - Tue, Oct 27

11:45 am - 9:40 am

SFO

SAI

31h 55m

1 stop

4:45 pm - 8:50 am

SAI

SFO

30h 05m

1 stop

$794Singapore Airlines

Tue, Oct 20 - Wed, Oct 28

11:45 am - 9:40 am

SFO

SAI

31h 55m

1 stop

4:45 pm - 8:50 am

SAI

SFO

30h 05m

1 stop

$796Singapore Airlines

Tue, Oct 20 - Wed, Oct 28

11:45 am - 9:40 am

SFO

SAI

31h 55m

1 stop

10:30 am - 9:50 am

SAI

SFO

37h 20m

1 stop

$831Singapore 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

$873Singapore Airlines

Fri, Nov 6 - Wed, Nov 18

12:30 pm - 10:55 am

LAX

SAI

32h 25m

2 stops

10:00 pm - 9:05 am

SAI

LAX

50h 05m

2 stops

$906Multiple Airlines

Wed, Oct 28 - Thu, Nov 12

12:30 pm - 11:15 am

LAX

SAI

32h 45m

2 stops

9:10 pm - 10:05 am

SAI

LAX

26h 55m

2 stops

$941Multiple Airlines

Tue, Aug 11 - Wed, Aug 26

11:21 am - 12:15 pm

LAS

SAI

34h 54m

3 stops

7:35 pm - 9:01 pm

SAI

LAS

39h 26m

3 stops

$1,598Qatar Airways

Thu, Aug 27 - Mon, Sep 7

10:23 am - 9:00 am

LAS

SAI

32h 37m

3 stops

7:35 pm - 5:24 pm

SAI

LAS

35h 49m

3 stops

$1,847Qatar Airways

Wed, Jul 1 - Wed, Jul 15

6:20 pm - 9:40 am

SNA

SAI

25h 20m

2 stops

10:30 am - 1:57 pm

SAI

SNA

41h 27m

2 stops

$2,979United Airlines

Wed, Jul 29 - Wed, Sep 16

Emirates flights from California to Siem Reap

Our best Emirates deals on California to Siem Reap flight tickets

Emirates

Aug 27

LAX1:25 pmLos Angeles

42h 05m

3 stops

SAI9:30 pmSiem Reap–Angkor Intl

Sep 10

SAI11:50 pmSiem Reap–Angkor Intl

28h 25m

2 stops

LAX2:15 pmLos Angeles

$1,660

Emirates

Oct 22

LAX1:25 pmLos Angeles

42h 05m

3 stops

SAI9:30 pmSiem Reap–Angkor Intl

Nov 1

SAI1:20 pmSiem Reap–Angkor Intl

38h 25m

2 stops

LAX1:45 pmLos Angeles

$1,711

Emirates

Aug 25

LAX1:25 pmLos Angeles

42h 05m

3 stops

SAI9:30 pmSiem Reap–Angkor Intl

Aug 29

SAI11:50 pmSiem Reap–Angkor Intl

28h 25m

2 stops

LAX2:15 pmLos Angeles

$1,751

Singapore Airlines flights from California to Siem Reap

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

Singapore Airlines

Oct 20

SFO11:45 amSan Francisco

31h 55m

1 stop

SAI9:40 amSiem Reap–Angkor Intl

Oct 28

SAI4:45 pmSiem Reap–Angkor Intl

30h 05m

1 stop

SFO8:50 amSan Francisco

$794

Singapore Airlines

Oct 20

SFO11:45 amSan Francisco

31h 55m

1 stop

SAI9:40 amSiem Reap–Angkor Intl

Oct 28

SAI4:45 pmSiem Reap–Angkor Intl

30h 05m

1 stop

SFO8:50 amSan Francisco

$796

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

$831

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Mon 9/7

12:30 pm-8:10 pm

2 stops41h 40m

Siem Reap–Angkor Intl

Tue 10/27

10:00 pm-10:05 am

3 stops50h 05m

$715

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Tue 10/20

11:45 am-9:40 am

1 stop31h 55m

Siem Reap–Angkor Intl

Wed 10/28

4:45 pm-8:50 am

1 stop30h 05m

$794

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Tue 10/20

11:45 am-9:40 am

1 stop31h 55m

Siem Reap–Angkor Intl

Wed 10/28

4:45 pm-8:50 am

1 stop30h 05m

$796

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

$831

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

$873

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Wed 10/28

12:30 pm-10:55 am

2 stops32h 25m

Siem Reap–Angkor Intl

Thu 11/12

10:00 pm-9:05 am

2 stops50h 05m

$906

Quickest round-trip

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Tue 8/11

12:30 pm-11:15 am

2 stops32h 45m

Siem Reap–Angkor Intl

Wed 8/26

9:10 pm-10:05 am

2 stops26h 55m

$941

Las VegasSiem Reap

LAS - SAI

LASSAI

Las Vegas Harry Reid Intl

Thu 8/27

11:21 am-12:15 pm

3 stops34h 54m

Siem Reap–Angkor Intl

Mon 9/7

7:35 pm-9:01 pm

3 stops39h 26m

$1,598

Las VegasSiem Reap

LAS - SAI

LASSAI

Las Vegas Harry Reid Intl

Wed 7/1

10:23 am-9:00 am

3 stops32h 37m

Siem Reap–Angkor Intl

Wed 7/15

7:35 pm-5:24 pm

3 stops35h 49m

$1,847

Santa AnaSiem Reap

SNA - SAI

SNASAI

Santa Ana J. Wayne/Orange Cnty

Wed 7/29

6:20 pm-9:40 am

2 stops25h 20m

Siem Reap–Angkor Intl

Wed 9/16

10:30 am-1:57 pm

2 stops41h 27m

$2,979

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 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 Siem Reap?

If you don’t want to visit Siem Reap in April, then you should wait until August to fly from California, when ticket prices are also cheap, with an average price of $611.

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

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

Cheap California to Siem Reap flight deals and tips

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

Fastest flight time	22h 25m
Direct flights	None

The fastest flight from California to Siem Reap takes 22h 25m

There are no direct flights from California to Siem Reap. There are no popular flight routes from California to 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–Angkor Intl Airport?
Prices for flights from California to Siem Reap–Angkor Intl Airport were last updated today.
How many operators does momondo search for flights from California to Siem Reap–Angkor Intl Airport?
As of May 2026, there are 2 operators available to choose from for flights from California to Siem Reap–Angkor Intl Airport.
How old do you have to be to fly from California to Siem Reap–Angkor Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Siem Reap–Angkor Intl Airport.
What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?
The required travel and health documents for your Siem Reap–Angkor Intl 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 Siem Reap–Angkor Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from California to Siem Reap

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

Airline	Rating	Free Cancellation	Price
Singapore Airlines	PriceFrom $599	Free Cancellation	Rating 8.2 1,518 reviews		Search Singapore Airlines flights
Vietnam Airlines	PriceFrom $647	Free Cancellation	Rating 7.7 269 reviews		Search Vietnam Airlines flights

Why use momondo?

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

Finding the right flight to Siem Reap from California 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 Siem Reap quick and easy, saving you time and money.

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

Flights from California to Siem Reap with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from California to Siem Reap.

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

Price alerts on flights to Siem Reap from California are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 6/17

Wed 6/24

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Cambodia

Airlines

Cabin classes

Other Cambodia destinations

Other flights from California

Complete your trip

Feeling lucky

Fly your favorite airline to Siem Reap

Singapore Airlines

Vietnam Airlines

Cheap flights from California to Siem Reap from $648

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 8/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from California to Siem Reap

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Emirates flights from California to Siem Reap

Our best Emirates deals on California to Siem Reap flight tickets

Singapore Airlines flights from California to Siem Reap

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

momondo Fare Finder

Use the filters below to find and compare flights from California to Siem Reap that are best for you.

See travel insights to Siem Reap from

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

What is the cheapest month to fly to Siem Reap?

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

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

How long does it take to fly to Siem Reap?

Cheap California to Siem Reap flight deals and tips

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

Fastest flight time

Direct flights

Frequently asked questions about flying from California to Siem Reap

Best airlines flying from California to Siem Reap

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

Why use momondo?

An easier way to manage your 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 Cambodia

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.

Popular cities in Cambodia

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

Fly to other destinations from California

According to popular flight searches on momondo this year

Complete your trip to Siem Reap

Explore popular destinations other users love

According to popular flight searches on momondo this year