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Cheap flights from San Diego to Siem Reap from $541

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Siem Reap departing on 8/5. 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 San Diego to Siem Reap

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:01 pm - 6:20 pm
SAN
-
SAI
33h 19m
2 stops
Multiple Airlines Logo
9:35 am - 10:59 pm
SAI
-
SAN
27h 24m
2 stops
$1,371Multiple Airlines
Wed, Aug 5 - Wed, Sep 9
Multiple Airlines Logo
7:01 pm - 6:20 pm
SAN
-
SAI
33h 19m
2 stops
Multiple Airlines Logo
10:35 pm - 10:59 pm
SAI
-
SAN
38h 24m
2 stops
$1,372Multiple Airlines
Wed, Aug 5 - Tue, Sep 8
Multiple Airlines Logo
9:27 pm - 9:40 am
SAN
-
SAI
46h 13m
2 stops
Multiple Airlines Logo
4:00 pm - 7:00 pm
SAI
-
SAN
41h 00m
2 stops
$1,404Multiple Airlines
Tue, Aug 4 - Wed, Sep 9
Multiple Airlines Logo
7:01 pm - 6:20 pm
SAN
-
SAI
33h 19m
2 stops
Multiple Airlines Logo
3:00 pm - 8:48 am
SAI
-
SAN
31h 48m
2 stops
$1,412Multiple Airlines
Wed, Aug 5 - Thu, Sep 10
Multiple Airlines Logo
5:35 pm - 6:50 pm
SAN
-
SAI
35h 15m
3 stops
Multiple Airlines Logo
6:30 pm - 11:16 am
SAI
-
SAN
30h 46m
3 stops
$1,573Multiple Airlines
Tue, Aug 4 - Wed, Sep 9
Multiple Airlines Logo
9:26 am - 5:10 pm
SAN
-
SAI
41h 44m
3 stops
Multiple Airlines Logo
4:00 pm - 8:43 am
SAI
-
SAN
30h 43m
2 stops
$1,581Multiple Airlines
Tue, Aug 4 - Wed, Sep 9
Multiple Airlines Logo
8:32 pm - 6:55 pm
SAN
-
SAI
32h 23m
2 stops
Multiple Airlines Logo
10:30 am - 12:29 am
SAI
-
SAN
27h 59m
2 stops
$1,612Multiple Airlines
Mon, Aug 3 - Thu, Sep 10
Multiple Airlines Logo
8:32 pm - 12:15 pm
SAN
-
SAI
25h 43m
2 stops
Multiple Airlines Logo
12:55 pm - 11:35 am
SAI
-
SAN
36h 40m
2 stops
$1,629Multiple Airlines
Mon, Aug 3 - Tue, Sep 8
Multiple Airlines Logo
11:04 am - 6:20 pm
SAN
-
SAI
41h 16m
2 stops
Multiple Airlines Logo
7:10 pm - 9:35 am
SAI
-
SAN
52h 25m
2 stops
$1,634Multiple Airlines
Wed, Jul 29 - Fri, Aug 7
Multiple Airlines Logo
11:55 am - 9:30 pm
SAN
-
SAI
43h 35m
3 stops
Multiple Airlines Logo
11:50 pm - 11:44 pm
SAI
-
SAN
37h 54m
3 stops
$1,828Multiple Airlines
Tue, Aug 4 - Thu, Sep 10

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Emirates flights from San Diego to Siem Reap

Our best Emirates deals on San Diego to Siem Reap flight tickets
Emirates
Aug 6
SAN11:55 amSan Diego
43h 35m
3 stops
SAI9:30 pmSiem Reap–Angkor Intl
Sep 10
SAI11:50 pmSiem Reap–Angkor Intl
35h 34m
3 stops
SAN9:24 pmSan Diego
$1,964
Emirates
Aug 6
SAN11:55 amSan Diego
43h 35m
3 stops
SAI9:30 pmSiem Reap–Angkor Intl
Sep 12
SAI11:50 pmSiem Reap–Angkor Intl
35h 34m
3 stops
SAN9:24 pmSan Diego
$2,080
Emirates
Aug 4
SAN11:55 amSan Diego
43h 35m
3 stops
SAI9:30 pmSiem Reap–Angkor Intl
Sep 12
SAI11:50 pmSiem Reap–Angkor Intl
35h 34m
3 stops
SAN9:24 pmSan Diego
$2,100

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to 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 June 29, 2026.
Use the filters below to find and compare flights from San Diego to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSiem Reap

SAN - SAI

SANSAI

San Diego

Wed 8/5

7:01 pm-6:20 pm

2 stops33h 19m

Siem Reap–Angkor Intl

Wed 9/9

9:35 am-10:59 pm

2 stops27h 24m

$1,371

San DiegoSiem Reap

SAN - SAI

SANSAI

San Diego

Wed 8/5

7:01 pm-6:20 pm

2 stops33h 19m

Siem Reap–Angkor Intl

Tue 9/8

10:35 pm-10:59 pm

2 stops38h 24m

$1,372

San DiegoSiem Reap

SAN - SAI

SANSAI

San Diego

Tue 8/4

9:27 pm-9:40 am

2 stops46h 13m

Siem Reap–Angkor Intl

Wed 9/9

4:00 pm-7:00 pm

2 stops41h 00m

$1,404

San DiegoSiem Reap

SAN - SAI

SANSAI

San Diego

Wed 8/5

7:01 pm-6:20 pm

2 stops33h 19m

Siem Reap–Angkor Intl

Thu 9/10

3:00 pm-8:48 am

2 stops31h 48m

$1,412

San DiegoSiem Reap

SAN - SAI

SANSAI

San Diego

Tue 8/4

5:35 pm-6:50 pm

3 stops35h 15m

Siem Reap–Angkor Intl

Wed 9/9

6:30 pm-11:16 am

3 stops30h 46m

$1,573

San DiegoSiem Reap

SAN - SAI

SANSAI

San Diego

Tue 8/4

9:26 am-5:10 pm

3 stops41h 44m

Siem Reap–Angkor Intl

Wed 9/9

4:00 pm-8:43 am

2 stops30h 43m

$1,581
Quickest round-trip

San DiegoSiem Reap

SAN - SAI

SANSAI

San Diego

Mon 8/3

8:32 pm-6:55 pm

2 stops32h 23m

Siem Reap–Angkor Intl

Thu 9/10

10:30 am-12:29 am

2 stops27h 59m

$1,612

San DiegoSiem Reap

SAN - SAI

SANSAI

San Diego

Mon 8/3

8:32 pm-12:15 pm

2 stops25h 43m

Siem Reap–Angkor Intl

Tue 9/8

12:55 pm-11:35 am

2 stops36h 40m

$1,629

San DiegoSiem Reap

SAN - SAI

SANSAI

San Diego

Wed 7/29

11:04 am-6:20 pm

2 stops41h 16m

Siem Reap–Angkor Intl

Fri 8/7

7:10 pm-9:35 am

2 stops52h 25m

$1,634

San DiegoSiem Reap

SAN - SAI

SANSAI

San Diego

Tue 8/4

11:55 am-9:30 pm

3 stops43h 35m

Siem Reap–Angkor Intl

Thu 9/10

11:50 pm-11:44 pm

3 stops37h 54m

$1,828

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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When to book flights from San Diego to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to Siem Reap (SAN to SAI) flight deals and tips

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

Fastest flight time

35h 36m

Direct flights

None
The fastest flight from San Diego to Siem Reap takes 35h 36m
There are no direct flights from San Diego to Siem Reap. There are no popular flight routes from San Diego to Siem Reap.
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Frequently asked questions about flying from San Diego to Siem Reap

  • How far is San Diego to Siem Reap–Angkor Intl by plane?

    A flight from San Diego to Siem Reap–Angkor Intl will travel around 8252.8 mi. 35h 36m is a normal flight duration for this route.

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

    Prices for flights from San Diego Airport to Siem Reap–Angkor Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from San Diego Airport 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 San Diego Airport 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.

Frequently asked questions about flying from San Diego to Siem Reap

  • How do I get Price Alerts for flights from San Diego to Siem Reap?

    Confirm your travel details to search for the latest offers for flights from San Diego to Siem Reap. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from San Diego to Siem Reap with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from San Diego 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 San Diego to Siem Reap for you.

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

Flights from San Diego 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 San Diego to Siem Reap?

Once all potential San Diego to Siem Reap flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Siem Reap from San Diego. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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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.
First Class to Siem Reap
Business Class to Siem Reap