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

Singapore 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 22h 45m 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 November 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.

$357 Cheap Flights from California to Siem Reap in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to Siem Reap

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One-way

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Cheap round-trip flights

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10:25 pm - 9:40 amSFO San Francisco-SAI Siem Reap–Angkor Intl

21h 15m1 stop Singapore Changi

10:30 am - 8:35 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

24h 05m1 stop Singapore Changi

$718Singapore Airlines

Wed, Apr 28 - Wed, May 5

10:25 pm - 9:40 amSFO San Francisco-SAI Siem Reap–Angkor Intl

21h 15m1 stop Singapore Changi

10:30 am - 8:35 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

24h 05m1 stop Singapore Changi

$734Singapore Airlines

Wed, Apr 28 - Wed, May 5

10:50 pm - 6:40 pmSFO San Francisco-SAI Siem Reap–Angkor Intl

29h 50m1 stop Ho Chi Minh City

7:40 pm - 5:55 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

36h 15m1 stop Ho Chi Minh City

$739Vietnam Airlines

Thu, Apr 29 - Wed, May 5

10:50 pm - 6:40 pmSFO San Francisco-SAI Siem Reap–Angkor Intl

29h 50m1 stop Ho Chi Minh City

7:40 pm - 5:55 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

36h 15m1 stop Ho Chi Minh City

$779Vietnam Airlines

Wed, Apr 28 - Fri, May 7

10:50 pm - 6:40 pmSFO San Francisco-SAI Siem Reap–Angkor Intl

29h 50m1 stop Ho Chi Minh City

7:40 pm - 5:55 pmSAI Siem Reap–Angkor Intl-SFO San Francisco

36h 15m1 stop Ho Chi Minh City

$779Vietnam Airlines

Thu, Apr 29 - Fri, May 7

11:30 am - 8:05 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

41h 35m2 stops Shanghai Pu Dong Kunming Changshui

9:05 pm - 9:05 amSAI Siem Reap–Angkor Intl-LAX Los Angeles

27h 00m2 stops Kunming Changshui Shanghai Pu Dong

$803China Eastern

Sun, Nov 29 - Sun, Dec 6

11:45 am - 9:40 amSFO San Francisco-SAI Siem Reap–Angkor Intl

31h 55m1 stop Singapore Changi

10:30 am - 9:50 amSAI Siem Reap–Angkor Intl-SFO San Francisco

37h 20m1 stop Singapore Changi

$814Singapore Airlines

Thu, Apr 29 - Tue, May 4

2:20 pm - 9:40 amLAX Los Angeles-SAI Siem Reap–Angkor Intl

29h 20m2 stops Tokyo Narita Singapore Changi

10:30 am - 9:50 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

25h 20m1 stop Singapore Changi

$819Singapore Airlines

Sun, Apr 4 - Tue, May 4

11:30 am - 8:05 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

41h 35m2 stops Shanghai Pu Dong Kunming Changshui

9:05 pm - 9:05 amSAI Siem Reap–Angkor Intl-LAX Los Angeles

51h 00m2 stops Kunming Changshui Shanghai Pu Dong

$826China Eastern

Sun, Nov 29 - Sun, Dec 6

11:30 am - 8:05 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

41h 35m3 stops Shanghai Pu Dong Fuzhou Kunming Changshui

9:05 pm - 9:05 amSAI Siem Reap–Angkor Intl-LAX Los Angeles

51h 00m3 stops Kunming Changshui Hengyang Shanghai Pu Dong

$826China Eastern

Sun, Nov 29 - Sun, Dec 6

Cheap last minute flights

Enter your travel dates to find the best prices.

10:45 pm - 6:30 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

28h 45m2 stops Hong Kong Intl Bangkok Suvarnabhumi

9:55 am - 4:30 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

21h 35m2 stops Bangkok Suvarnabhumi Hong Kong Intl

$906Multiple Airlines

Mon, Nov 9 - Tue, Nov 24

11:10 am - 8:30 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

42h 20m2 stops Manila Ninoy Aquino Intl Ho Chi Minh City

8:30 pm - 7:10 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

37h 40m3 stops Hanoi Noibai Ho Chi Minh City Manila Ninoy Aquino Intl

$1,143Multiple Airlines

Mon, Nov 9 - Tue, Nov 24

11:05 am - 9:40 amLAX Los Angeles-SAI Siem Reap–Angkor Intl

31h 35m2 stops Tokyo Narita Ho Chi Minh City

5:05 pm - 10:35 amSAI Siem Reap–Angkor Intl-LAX Los Angeles

32h 30m3 stops Luang Prabang Hanoi Noibai Tokyo Narita

$1,174Multiple Airlines

Thu, Nov 5 - Mon, Nov 16

11:05 am - 8:30 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

42h 25m2 stops Tokyo Narita Ho Chi Minh City

7:05 pm - 3:20 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

35h 15m2 stops Ho Chi Minh City Taipei City Taiwan Taoyuan Intl

$1,207Multiple Airlines

Thu, Nov 5 - Mon, Nov 16

11:30 am - 8:05 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

65h 35m3 stops Shanghai Pu Dong Ji'an Ji An/Jing Gang Shan Kunming Changshui

9:05 pm - 9:05 amSAI Siem Reap–Angkor Intl-LAX Los Angeles

51h 00m3 stops Kunming Changshui Hengyang Shanghai Pu Dong

$1,346China Eastern

Mon, Nov 9 - Tue, Nov 24

10:05 pm - 4:00 pmLAX Los Angeles-SAI Siem Reap–Angkor Intl

26h 55m1 stop Singapore Changi

4:50 pm - 6:10 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

40h 20m1 stop Singapore Changi

$1,372Singapore Airlines

Mon, Nov 9 - Tue, Nov 24

12:45 pm - 9:55 amLAX Los Angeles-SAI Siem Reap–Angkor Intl

30h 10m2 stops Tokyo Narita Singapore Changi

4:50 pm - 6:10 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

40h 20m1 stop Singapore Changi

$1,405Singapore Airlines

Mon, Nov 9 - Tue, Nov 24

10:05 pm - 9:55 amLAX Los Angeles-SAI Siem Reap–Angkor Intl

44h 50m1 stop Singapore Changi

10:45 am - 7:55 pmSAI Siem Reap–Angkor Intl-LAX Los Angeles

24h 10m1 stop Singapore Changi

$2,401Singapore Airlines

Thu, Nov 5 - Mon, Nov 16

12:00 pm - 8:05 pmSFO San Francisco-SAI Siem Reap–Angkor Intl

41h 05m3 stops Shanghai Pu Dong Fuzhou Kunming Changshui

9:05 pm - 9:00 amSAI Siem Reap–Angkor Intl-SFO San Francisco

50h 55m3 stops Kunming Changshui Hengyang Shanghai Pu Dong

$2,441China Eastern

Thu, Nov 5 - Thu, Nov 26

12:00 pm - 8:05 pmSFO San Francisco-SAI Siem Reap–Angkor Intl

41h 05m3 stops Shanghai Pu Dong Fuzhou Kunming Changshui

9:05 pm - 9:00 amSAI Siem Reap–Angkor Intl-SFO San Francisco

50h 55m3 stops Kunming Changshui Hengyang Shanghai Pu Dong

$2,443China Eastern

Thu, Nov 5 - Thu, Nov 26

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Singapore Airlines flights from California to Siem Reap

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

Singapore Airlines

Apr 28

SFO10:25 pmSan Francisco

21h 15m

1 stop

SAI9:40 amSiem Reap–Angkor Intl

May 5

SAI10:30 amSiem Reap–Angkor Intl

24h 05m

1 stop

SFO8:35 pmSan Francisco

$718

Singapore Airlines

Apr 28

SFO10:25 pmSan Francisco

21h 15m

1 stop

SAI9:40 amSiem Reap–Angkor Intl

May 5

SAI10:30 amSiem Reap–Angkor Intl

24h 05m

1 stop

SFO8:35 pmSan Francisco

$734

Singapore Airlines

Apr 27

SFO10:25 pmSan Francisco

21h 15m

1 stop

SAI9:40 amSiem Reap–Angkor Intl

May 5

SAI10:30 amSiem Reap–Angkor Intl

37h 20m

1 stop

SFO9:50 amSan Francisco

$814

China Eastern flights from California to Siem Reap

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

China Eastern

Nov 29

LAX11:30 amLos Angeles

41h 35m

2 stops

SAI8:05 pmSiem Reap–Angkor Intl

Dec 6

SAI9:05 pmSiem Reap–Angkor Intl

27h 00m

2 stops

LAX9:05 amLos Angeles

$803

China Eastern

Feb 27

SFO12:00 pmSan Francisco

65h 05m

2 stops

SAI8:05 pmSiem Reap–Angkor Intl

Mar 7

SAI9:05 pmSiem Reap–Angkor Intl

26h 55m

3 stops

SFO9:00 amSan Francisco

$826

China Eastern

Nov 29

LAX11:30 amLos Angeles

41h 35m

2 stops

SAI8:05 pmSiem Reap–Angkor Intl

Dec 6

SAI9:05 pmSiem Reap–Angkor Intl

27h 00m

2 stops

LAX9:05 amLos Angeles

$830

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San FranciscoSiem Reap

SFO San Francisco - SAI Siem Reap–Angkor Intl

SFOSAI

San Francisco

Wed 4/28

10:25 pm-9:40 am

1 stop21h 15m

Siem Reap–Angkor Intl

Wed 5/5

10:30 am-8:35 pm

1 stop24h 05m

$718

San FranciscoSiem Reap

SFO San Francisco - SAI Siem Reap–Angkor Intl

SFOSAI

San Francisco

Wed 4/28

10:25 pm-9:40 am

1 stop21h 15m

Siem Reap–Angkor Intl

Wed 5/5

10:30 am-8:35 pm

1 stop24h 05m

$734

San FranciscoSiem Reap

SFO San Francisco - SAI Siem Reap–Angkor Intl

SFOSAI

San Francisco

Thu 4/29

10:50 pm-6:40 pm

1 stop29h 50m

Siem Reap–Angkor Intl

Wed 5/5

7:40 pm-5:55 pm

1 stop36h 15m

$739

San FranciscoSiem Reap

SFO San Francisco - SAI Siem Reap–Angkor Intl

SFOSAI

San Francisco

Wed 4/28

10:50 pm-6:40 pm

1 stop29h 50m

Siem Reap–Angkor Intl

Fri 5/7

7:40 pm-5:55 pm

1 stop36h 15m

$779

San FranciscoSiem Reap

SFO San Francisco - SAI Siem Reap–Angkor Intl

SFOSAI

San Francisco

Thu 4/29

10:50 pm-6:40 pm

1 stop29h 50m

Siem Reap–Angkor Intl

Fri 5/7

7:40 pm-5:55 pm

1 stop36h 15m

$779

Los AngelesSiem Reap

LAX Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles

Sun 11/29

11:30 am-8:05 pm

2 stops41h 35m

Siem Reap–Angkor Intl

Sun 12/6

9:05 pm-9:05 am

2 stops27h 00m

$803

San FranciscoSiem Reap

SFO San Francisco - SAI Siem Reap–Angkor Intl

SFOSAI

San Francisco

Thu 4/29

11:45 am-9:40 am

1 stop31h 55m

Siem Reap–Angkor Intl

Tue 5/4

10:30 am-9:50 am

1 stop37h 20m

$814

Los AngelesSiem Reap

LAX Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles

Sun 4/4

2:20 pm-9:40 am

2 stops29h 20m

Siem Reap–Angkor Intl

Tue 5/4

10:30 am-9:50 pm

1 stop25h 20m

$819

Los AngelesSiem Reap

LAX Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles

Sun 11/29

11:30 am-8:05 pm

2 stops41h 35m

Siem Reap–Angkor Intl

Sun 12/6

9:05 pm-9:05 am

2 stops51h 00m

$826

Los AngelesSiem Reap

LAX Los Angeles - SAI Siem Reap–Angkor Intl

LAXSAI

Los Angeles

Sun 11/29

11:30 am-8:05 pm

3 stops41h 35m

Siem Reap–Angkor Intl

Sun 12/6

9:05 pm-9:05 am

3 stops51h 00m

$826

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 April to fly from California, when ticket prices are also cheap, with an average price of $678.

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

You could potentially save up to 24% 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

Best Price Found	$357
Fastest flight time	22h 50m
Direct flights	None

The best one-way flight to Siem Reap from California in the past 72 hours is $357. The best round-trip flight deal from California to Siem Reap found on momondo in the last 72 hours is $718.

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 November 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 1,635 reviews		Search Singapore Airlines flights
China Eastern	PriceFrom $677	Free Cancellation	Rating 7.3 248 reviews		Search China Eastern 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 $357

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 2/24. 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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Singapore Airlines flights from California to Siem Reap

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

China Eastern flights from California to Siem Reap

Our best China Eastern 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

Best Price Found

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.

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

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