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

Vietnam Airlines and ANA are the most popular carriers operating from California to Siem Reap–Angkor Intl

How long does it take to fly to Siem Reap?

On average, it takes 25h 40m 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 27h 30m.

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 July 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.

$407 Cheap Flights from California to Siem Reap in 2026

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

65h 40m

3 stops

9:10 pm - 10:05 am

SAI

LAX

26h 55m

2 stops

$703China Eastern

Sun, Aug 16 - Wed, Aug 26

12:30 pm - 8:10 pm

LAX

SAI

41h 40m

3 stops

9:10 pm - 10:05 am

SAI

LAX

26h 55m

2 stops

$712China Eastern

Wed, Sep 9 - Wed, Oct 14

12:30 pm - 8:10 pm

LAX

SAI

41h 40m

3 stops

9:10 pm - 10:05 am

SAI

LAX

50h 55m

3 stops

$715China Eastern

Wed, Sep 2 - Wed, Oct 14

12:30 pm - 8:10 pm

LAX

SAI

41h 40m

3 stops

9:10 pm - 10:05 am

SAI

LAX

50h 55m

3 stops

$763China Eastern

Wed, Aug 12 - Wed, Aug 19

12:30 pm - 11:15 am

LAX

SAI

32h 45m

2 stops

9:10 pm - 10:05 am

SAI

LAX

26h 55m

2 stops

$820Multiple Airlines

Thu, Sep 3 - Wed, Oct 14

11:45 am - 9:40 am

SFO

SAI

31h 55m

1 stop

10:45 am - 7:50 am

SAI

SFO

36h 05m

1 stop

$833Singapore Airlines

Mon, Oct 19 - Fri, Nov 6

11:30 am - 9:10 am

LAX

SAI

30h 40m

2 stops

10:00 pm - 9:05 am

SAI

LAX

50h 05m

2 stops

$851Multiple Airlines

Tue, Dec 1 - Tue, Dec 22

9:10 pm - 5:40 pm

SFO

SAI

29h 30m

1 stop

9:30 pm - 5:00 pm

SAI

SFO

34h 30m

1 stop

$929Vietnam Airlines

Wed, Nov 11 - Wed, Nov 25

9:40 am - 9:50 am

SFO

SAI

33h 10m

1 stop

10:45 am - 7:50 am

SAI

SFO

36h 05m

1 stop

$941Singapore Airlines

Tue, Dec 1 - Wed, Dec 23

9:42 am - 5:10 pm

SNA

SAI

41h 28m

3 stops

7:10 pm - 3:30 pm

SAI

SNA

34h 20m

3 stops

$1,178ANA

Tue, Aug 25 - Tue, Sep 1

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China Eastern flights from California to Siem Reap

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

China Eastern

Aug 16

LAX12:30 pmLos Angeles

65h 40m

3 stops

SAI8:10 pmSiem Reap–Angkor Intl

Aug 26

SAI9:10 pmSiem Reap–Angkor Intl

26h 55m

2 stops

LAX10:05 amLos Angeles

$703

China Eastern

Sep 9

LAX12:30 pmLos Angeles

41h 40m

3 stops

SAI8:10 pmSiem Reap–Angkor Intl

Oct 14

SAI9:10 pmSiem Reap–Angkor Intl

26h 55m

2 stops

LAX10:05 amLos Angeles

$712

China Eastern

Sep 2

LAX12:30 pmLos Angeles

41h 40m

3 stops

SAI8:10 pmSiem Reap–Angkor Intl

Oct 14

SAI9:10 pmSiem Reap–Angkor Intl

50h 55m

3 stops

LAX10:05 amLos Angeles

$715

Vietnam Airlines flights from California to Siem Reap

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

Vietnam Airlines

Nov 11

SFO9:10 pmSan Francisco

29h 30m

1 stop

SAI5:40 pmSiem Reap–Angkor Intl

Nov 25

SAI9:30 pmSiem Reap–Angkor Intl

34h 30m

1 stop

SFO5:00 pmSan Francisco

$929

Vietnam Airlines

Sep 17

SFO10:50 pmSan Francisco

29h 30m

1 stop

SAI6:20 pmSiem Reap–Angkor Intl

Sep 22

SAI6:05 pmSiem Reap–Angkor Intl

37h 50m

2 stops

SFO5:55 pmSan Francisco

$1,057

Vietnam Airlines

Sep 5

SFO10:50 pmSan Francisco

29h 30m

1 stop

SAI6:20 pmSiem Reap–Angkor Intl

Sep 14

SAI6:05 pmSiem Reap–Angkor Intl

61h 50m

2 stops

SFO5:55 pmSan Francisco

$1,170

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Sun 8/16

12:30 pm-8:10 pm

3 stops65h 40m

Siem Reap–Angkor Intl

Wed 8/26

9:10 pm-10:05 am

2 stops26h 55m

$703

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Wed 9/9

12:30 pm-8:10 pm

3 stops41h 40m

Siem Reap–Angkor Intl

Wed 10/14

9:10 pm-10:05 am

2 stops26h 55m

$712

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Wed 9/2

12:30 pm-8:10 pm

3 stops41h 40m

Siem Reap–Angkor Intl

Wed 10/14

9:10 pm-10:05 am

3 stops50h 55m

$715

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Wed 8/12

12:30 pm-8:10 pm

3 stops41h 40m

Siem Reap–Angkor Intl

Wed 8/19

9:10 pm-10:05 am

3 stops50h 55m

$763

Quickest round-trip

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Thu 9/3

12:30 pm-11:15 am

2 stops32h 45m

Siem Reap–Angkor Intl

Wed 10/14

9:10 pm-10:05 am

2 stops26h 55m

$820

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Mon 10/19

11:45 am-9:40 am

1 stop31h 55m

Siem Reap–Angkor Intl

Fri 11/6

10:45 am-7:50 am

1 stop36h 05m

$833

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles

Tue 12/1

11:30 am-9:10 am

2 stops30h 40m

Siem Reap–Angkor Intl

Tue 12/22

10:00 pm-9:05 am

2 stops50h 05m

$851

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Wed 11/11

9:10 pm-5:40 pm

1 stop29h 30m

Siem Reap–Angkor Intl

Wed 11/25

9:30 pm-5:00 pm

1 stop34h 30m

$929

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Tue 12/1

9:40 am-9:50 am

1 stop33h 10m

Siem Reap–Angkor Intl

Wed 12/23

10:45 am-7:50 am

1 stop36h 05m

$941

Santa AnaSiem Reap

SNA - SAI

SNASAI

Santa Ana J. Wayne/Orange Cnty

Tue 8/25

9:42 am-5:10 pm

3 stops41h 28m

Siem Reap–Angkor Intl

Tue 9/1

7:10 pm-3:30 pm

3 stops34h 20m

$1,178

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 January to fly from California, when ticket prices are also cheap, with an average price of $512.

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 50m
Direct flights	None

The fastest flight from California to Siem Reap takes 22h 50m

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 July 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 $511	Free Cancellation	Rating 8.2 1,572 reviews		Search Singapore Airlines flights
Vietnam Airlines	PriceFrom $647	Free Cancellation	Rating 7.7 280 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.

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Cheap flights from California to Siem Reap from $407

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 9/10. 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 Siem Reap

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

What is the cheapest month to fly to Siem Reap?

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

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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.

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