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Cheap flights from Santa Ana, California to Siem Reap from $1,100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Ana, 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.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Santa Ana, California to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:59 pm - 8:30 pmSNA  Santa Ana J. Wayne/Orange Cnty-SAI Siem Reap–Angkor Intl
57h 31m2 stops San Francisco Ho Chi Minh City
Multiple Airlines Logo
6:40 pm - 10:24 pmSAI  Siem Reap–Angkor Intl-SNA Santa Ana J. Wayne/Orange Cnty
42h 44m2 stops Ho Chi Minh City San Francisco
$1,180Multiple Airlines
Tue, Nov 10 - Fri, Nov 20
Multiple Airlines Logo
8:00 pm - 9:55 amSNA  Santa Ana J. Wayne/Orange Cnty-SAI Siem Reap–Angkor Intl
46h 55m2 stops San Francisco Singapore Changi
Multiple Airlines Logo
7:25 pm - 12:07 pmSAI  Siem Reap–Angkor Intl-SNA Santa Ana J. Wayne/Orange Cnty
31h 42m3 stops Bangkok Suvarnabhumi Hong Kong Intl San Francisco
$1,422Multiple Airlines
Tue, Nov 10 - Fri, Nov 20
Multiple Airlines Logo
7:20 am - 4:55 pmSNA  Santa Ana J. Wayne/Orange Cnty-SAI Siem Reap–Angkor Intl
42h 35m3 stops San Francisco Tokyo Narita Hanoi Noibai
Multiple Airlines Logo
7:25 pm - 12:07 pmSAI  Siem Reap–Angkor Intl-SNA Santa Ana J. Wayne/Orange Cnty
31h 42m3 stops Bangkok Suvarnabhumi Hong Kong Intl San Francisco
$1,458Multiple Airlines
Tue, Nov 10 - Fri, Nov 20
Multiple Airlines Logo
4:11 pm - 9:00 amSNA  Santa Ana J. Wayne/Orange Cnty-SAI Siem Reap–Angkor Intl
26h 49m3 stops San Francisco Vancouver Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:55 am - 8:44 amSAI  Siem Reap–Angkor Intl-SNA Santa Ana J. Wayne/Orange Cnty
37h 49m3 stops Bangkok Suvarnabhumi Manila Ninoy Aquino Intl Seattle/Tacoma Intl
$13,086Multiple Airlines
Wed, Oct 14 - Wed, Nov 18

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Customize your flight search to find flights from Santa Ana, California to Region of Siem Reap that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from Santa Ana, California to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa AnaSiem Reap

SNA Santa Ana J. Wayne/Orange Cnty - SAI Siem Reap–Angkor Intl

SNASAI

Santa Ana J. Wayne/Orange Cnty

Tue 11/10

7:59 pm-8:30 pm

2 stops57h 31m

Siem Reap–Angkor Intl

Fri 11/20

6:40 pm-10:24 pm

2 stops42h 44m

$1,180

Santa AnaSiem Reap

SNA Santa Ana J. Wayne/Orange Cnty - SAI Siem Reap–Angkor Intl

SNASAI

Santa Ana J. Wayne/Orange Cnty

Tue 11/10

8:00 pm-9:55 am

2 stops46h 55m

Siem Reap–Angkor Intl

Fri 11/20

7:25 pm-12:07 pm

3 stops31h 42m

$1,422

Santa AnaSiem Reap

SNA Santa Ana J. Wayne/Orange Cnty - SAI Siem Reap–Angkor Intl

SNASAI

Santa Ana J. Wayne/Orange Cnty

Tue 11/10

7:20 am-4:55 pm

3 stops42h 35m

Siem Reap–Angkor Intl

Fri 11/20

7:25 pm-12:07 pm

3 stops31h 42m

$1,458
Quickest round-trip

Santa AnaSiem Reap

SNA Santa Ana J. Wayne/Orange Cnty - SAI Siem Reap–Angkor Intl

SNASAI

Santa Ana J. Wayne/Orange Cnty

Wed 10/14

4:11 pm-9:00 am

3 stops26h 49m

Siem Reap–Angkor Intl

Wed 11/18

9:55 am-8:44 am

3 stops37h 49m

$13,086
Cheapest one-way

Santa AnaSiem Reap

SNA Santa Ana J. Wayne/Orange Cnty - SAI Siem Reap–Angkor Intl

SNASAI

Santa Ana J. Wayne/Orange Cnty

Wed 8/19

6:46 am-9:40 am

2 stops36h 54m

$1,100

Santa AnaSiem Reap

SNA Santa Ana J. Wayne/Orange Cnty - SAI Siem Reap–Angkor Intl

SNASAI

Santa Ana J. Wayne/Orange Cnty

Tue 8/18

10:20 am-9:30 pm

3 stops45h 10m

$1,738

Santa AnaSiem Reap

SNA Santa Ana J. Wayne/Orange Cnty - SAI Siem Reap–Angkor Intl

SNASAI

Santa Ana J. Wayne/Orange Cnty

Thu 8/20

10:20 am-9:30 pm

3 stops45h 10m

$1,788

Santa AnaSiem Reap

SNA Santa Ana J. Wayne/Orange Cnty - SAI Siem Reap–Angkor Intl

SNASAI

Santa Ana J. Wayne/Orange Cnty

Tue 8/18

7:59 pm-9:40 am

2 stops47h 41m

$1,795
Quickest one-way

Santa AnaSiem Reap

SNA Santa Ana J. Wayne/Orange Cnty - SAI Siem Reap–Angkor Intl

SNASAI

Santa Ana J. Wayne/Orange Cnty

Mon 10/5

8:00 pm-9:40 am

2 stops23h 40m

$1,832

Santa AnaSiem Reap

SNA Santa Ana J. Wayne/Orange Cnty - SAI Siem Reap–Angkor Intl

SNASAI

Santa Ana J. Wayne/Orange Cnty

Tue 10/20

8:00 pm-9:40 am

2 stops47h 40m

$1,847

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Siem Reap from

How to get the cheapest flight ticket from Santa Ana, 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

What is the cheapest airline that flies from Santa Ana J. Wayne/Orange Cnty to Siem Reap?

Emirates, United Airlines, and EVA Air are the most popular carriers operating from Santa Ana J. Wayne/Orange Cnty to Siem Reap

Cheap Santa Ana, California to Region of Siem Reap flight deals and tips

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

Fastest flight time

41h 17m

Direct flights

None
The fastest flight from Santa Ana, California to Region of Siem Reap takes 41h 17m
There are no direct flights from Santa Ana, California to Region of Siem Reap. There are no popular flight routes from Santa Ana, California to Region of Siem Reap.
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Frequently asked questions about flying from Santa Ana, California to Siem Reap

  • When did momondo last update prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to Siem Reap?

    Prices for flights from Santa Ana J. Wayne/Orange Cnty Airport to Siem Reap were last updated today.

  • How old do you have to be to fly from Santa Ana J. Wayne/Orange Cnty Airport to Siem Reap?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Santa Ana J. Wayne/Orange Cnty Airport to Siem Reap.

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

    The necessary travel and health documents for your Siem Reap trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Santa Ana to Siem Reap for you.

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

momondo does allow users to show only those flights to Siem Reap from Santa Ana which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Siem Reap from Santa Ana.

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

Price alerts on flights to Siem Reap from Santa Ana 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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