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

United Airlines and Vietnam Airlines 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 50m 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 55m.

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 March 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.

$315 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

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Cheap round-trip flights

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11:45 am - 9:40 am

SFO

SAI

31h 55m

1 stop

4:00 pm - 9:50 am

SAI

SFO

31h 50m

1 stop

$583Singapore Airlines

Sun, Sep 6 - Wed, Sep 9

9:50 pm - 3:10 pm

LAX

SAI

27h 20m

1 stop

10:30 am - 9:50 pm

SAI

LAX

25h 20m

1 stop

$611Singapore Airlines

Wed, Aug 26 - Wed, Sep 2

2:20 pm - 9:40 am

LAX

SAI

29h 20m

2 stops

10:30 am - 7:40 pm

SAI

LAX

23h 10m

1 stop

$623Singapore Airlines

Wed, Aug 26 - Wed, Sep 2

12:05 am - 3:10 pm

LAX

SAI

25h 05m

1 stop

10:30 am - 10:10 pm

SAI

LAX

25h 40m

1 stop

$654Singapore Airlines

Mon, Aug 24 - Sat, Aug 29

12:30 pm - 8:10 pm

LAX

SAI

41h 40m

3 stops

9:10 pm - 10:05 am

SAI

LAX

26h 55m

2 stops

$737China Eastern

Mon, Sep 7 - Wed, Sep 16

12:40 pm - 6:20 pm

LAX

SAI

39h 40m

2 stops

7:10 pm - 9:40 am

SAI

LAX

52h 30m

2 stops

$784Multiple Airlines

Thu, Sep 10 - Fri, Sep 18

12:30 pm - 8:10 pm

LAX

SAI

41h 40m

3 stops

9:10 pm - 10:05 am

SAI

LAX

26h 55m

2 stops

$787China Eastern

Mon, Sep 7 - Fri, Sep 18

1:25 am - 6:45 pm

LAX

SAI

27h 20m

2 stops

9:40 am - 4:30 pm

SAI

LAX

20h 50m

2 stops

$885Multiple Airlines

Tue, Sep 8 - Thu, Sep 17

7:15 am - 6:45 pm

SMF

SAI

45h 30m

3 stops

7:30 pm - 11:23 pm

SAI

SMF

41h 53m

3 stops

$2,012Qatar Airways

Mon, Jun 1 - Mon, Jun 22

6:15 am - 12:15 pm

SJC

SAI

40h 00m

3 stops

12:55 pm - 1:35 pm

SAI

SJC

38h 40m

3 stops

$2,726Qatar Airways

Thu, Jul 2 - Mon, Jul 6

China Eastern flights from California to Siem Reap

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

China Eastern

Sep 7

LAX12:30 pmLos Angeles Los Angeles

41h 40m

3 stops

SAI8:10 pmSiem Reap–Angkor Intl

Sep 16

SAI9:10 pmSiem Reap–Angkor Intl

26h 55m

2 stops

LAX10:05 amLos Angeles Los Angeles

$737

China Eastern

Sep 7

LAX12:30 pmLos Angeles Los Angeles

41h 40m

3 stops

SAI8:10 pmSiem Reap–Angkor Intl

Sep 18

SAI9:10 pmSiem Reap–Angkor Intl

26h 55m

2 stops

LAX10:05 amLos Angeles Los Angeles

$787

China Eastern

Sep 1

LAX12:30 pmLos Angeles Los Angeles

65h 40m

2 stops

SAI8:10 pmSiem Reap–Angkor Intl

Sep 11

SAI9:10 pmSiem Reap–Angkor Intl

26h 55m

2 stops

LAX10:05 amLos Angeles Los Angeles

$852

Singapore Airlines flights from California to Siem Reap

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

Singapore Airlines

Sep 6

SFO11:45 amSan Francisco

31h 55m

1 stop

SAI9:40 amSiem Reap–Angkor Intl

Sep 9

SAI4:00 pmSiem Reap–Angkor Intl

31h 50m

1 stop

SFO9:50 amSan Francisco

$583

Singapore Airlines

Aug 26

LAX9:50 pmLos Angeles Los Angeles

27h 20m

1 stop

SAI3:10 pmSiem Reap–Angkor Intl

Sep 2

SAI10:30 amSiem Reap–Angkor Intl

25h 20m

1 stop

LAX9:50 pmLos Angeles Los Angeles

$611

Singapore Airlines

Aug 26

LAX2:20 pmLos Angeles Los Angeles

29h 20m

2 stops

SAI9:40 amSiem Reap–Angkor Intl

Sep 2

SAI10:30 amSiem Reap–Angkor Intl

23h 10m

1 stop

LAX7:40 pmLos Angeles Los Angeles

$623

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSiem Reap

SFO - SAI

SFOSAI

San Francisco

Sun 9/6

11:45 am-9:40 am

1 stop31h 55m

Siem Reap–Angkor Intl

Wed 9/9

4:00 pm-9:50 am

1 stop31h 50m

$583

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles Los Angeles

Wed 8/26

9:50 pm-3:10 pm

1 stop27h 20m

Siem Reap–Angkor Intl

Wed 9/2

10:30 am-9:50 pm

1 stop25h 20m

$611

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles Los Angeles

Wed 8/26

2:20 pm-9:40 am

2 stops29h 20m

Siem Reap–Angkor Intl

Wed 9/2

10:30 am-7:40 pm

1 stop23h 10m

$623

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles Los Angeles

Mon 8/24

12:05 am-3:10 pm

1 stop25h 05m

Siem Reap–Angkor Intl

Sat 8/29

10:30 am-10:10 pm

1 stop25h 40m

$654

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles Los Angeles

Mon 9/7

12:30 pm-8:10 pm

3 stops41h 40m

Siem Reap–Angkor Intl

Wed 9/16

9:10 pm-10:05 am

2 stops26h 55m

$737

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles Los Angeles

Thu 9/10

12:40 pm-6:20 pm

2 stops39h 40m

Siem Reap–Angkor Intl

Fri 9/18

7:10 pm-9:40 am

2 stops52h 30m

$784

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles Los Angeles

Mon 9/7

12:30 pm-8:10 pm

3 stops41h 40m

Siem Reap–Angkor Intl

Fri 9/18

9:10 pm-10:05 am

2 stops26h 55m

$787

Quickest round-trip

Los AngelesSiem Reap

LAX - SAI

LAXSAI

Los Angeles Los Angeles

Tue 9/8

1:25 am-6:45 pm

2 stops27h 20m

Siem Reap–Angkor Intl

Thu 9/17

9:40 am-4:30 pm

2 stops20h 50m

$885

SacramentoSiem Reap

SMF - SAI

SMFSAI

Sacramento Intl

Mon 6/1

7:15 am-6:45 pm

3 stops45h 30m

Siem Reap–Angkor Intl

Mon 6/22

7:30 pm-11:23 pm

3 stops41h 53m

$2,012

San JoseSiem Reap

SJC - SAI

SJCSAI

San Jose

Thu 7/2

6:15 am-12:15 pm

3 stops40h 00m

Siem Reap–Angkor Intl

Mon 7/6

12:55 pm-1:35 pm

3 stops38h 40m

$2,726

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 August, then you should wait until September to fly from California, when ticket prices are also cheap, with an average price of $856.

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

You could potentially save up to 76% 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	25h 50m
Direct flights	None

The fastest flight from California to Siem Reap takes 25h 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

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 March 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 1,484 reviews		Search Singapore Airlines flights
Vietnam Airlines	PriceFrom $677	Free Cancellation	Rating 7.7 246 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

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Cheap flights from California to Siem Reap from $315

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 8/29. 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

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

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

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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?

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

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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