HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Phnom Penh

$725+ Cheap flights from San Jose (SJC) to Phnom Penh (PNH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — PNH
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Jose to Phnom Penh with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Jose to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) to Phnom Penh (PNH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 18, 2025.

Round-trip from

$919
(oojo)

One-way from

$725
(oojo)
From San Jose to Phnom Penh Pochentong
Search Deals
One-way flight from San Jose to Phnom Penh Pochentong
Search Deals

Find flight deals from San Jose to Phnom Penh

Cheapest flights from San Jose to Phnom Penh
Explore the most affordable flight options available from San Jose to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This oojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:00 pmSJC - PNH
2 stops42h 55mAsiana Airlines
Mon 11/1011:55 pmPNH - SJC
2 stops49h 14mAsiana Airlines
Deal found 8/16$919
This oojo deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:00 pmSJC - PNH
2 stops31h 25mEVA Air
Fri 11/2812:45 pmPNH - SJC
2 stops26h 13mEVA Air
Deal found 8/18$1,253
This KAYAK deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:15 amSJC - PNH
2 stops36h 25mSingapore Airlines
Wed 12/242:40 pmPNH - SJC
2 stops34h 58mSingapore Airlines
Deal found 8/17$1,442
This SmartFares deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/147:50 pmSJC - PNH
2 stops36h 05mMultiple Airlines
Sun 12/2811:55 pmPNH - SJC
2 stops38h 04mMultiple Airlines
Deal found 8/17$1,877
This ScholarTrip deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:54 pmSJC - PNH
2 stops27h 51mSingapore Airlines
Mon 11/107:40 pmPNH - SJC
3 stops33h 39mSingapore Airlines
Deal found 8/16$2,421
This oojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:15 amSJC - PNH
2 stops38h 10mEVA Air
Mon 1/512:45 pmPNH - SJC
2 stops36h 53mEVA Air
Deal found 8/16$2,441
This oojo deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1512:40 pmSJC - PNH
2 stops32h 35mEVA Air
Sun 10/2612:45 pmPNH - SJC
2 stops24h 14mEVA Air
Deal found 8/17$5,582

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose to Phnom Penh 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, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from San Jose to Phnom Penh that are best for you.

Fly from

San Jose

Fly to

Phnom Penh

Route

Depart

Return

Price

San JosePhnom Penh

SJC - PNH

SJCPNH

San Jose

Mon 11/3

1:00 pm-10:55 pm

2 stops42h 55m

Phnom Penh Pochentong

Mon 11/10

11:55 pm-10:09 am

2 stops49h 14m

$919

San JosePhnom Penh

SJC - PNH

SJCPNH

San Jose

Tue 1/6

10:24 am-10:55 pm

2 stops45h 31m

Phnom Penh Pochentong

Tue 1/20

11:55 pm-1:54 pm

2 stops28h 59m

$961

San JosePhnom Penh

SJC - PNH

SJCPNH

San Jose

Wed 1/7

2:35 pm-10:55 pm

2 stops41h 20m

Phnom Penh Pochentong

Tue 1/20

11:55 pm-1:54 pm

2 stops28h 59m

$1,251

San JosePhnom Penh

SJC - PNH

SJCPNH

San Jose

Fri 11/14

1:00 pm-11:25 am

2 stops31h 25m

Phnom Penh Pochentong

Fri 11/28

12:45 pm-11:58 pm

2 stops26h 13m

$1,253

San JosePhnom Penh

SJC - PNH

SJCPNH

San Jose

Wed 1/7

2:35 pm-10:55 pm

2 stops41h 20m

Phnom Penh Pochentong

Wed 1/21

11:55 pm-10:03 pm

2 stops37h 08m

$1,310

San JosePhnom Penh

SJC - PNH

SJCPNH

San Jose

Sat 1/10

7:40 pm-8:35 am

2 stops45h 55m

Phnom Penh Pochentong

Tue 2/10

7:40 pm-10:09 pm

2 stops41h 29m

$1,319

San JosePhnom Penh

SJC - PNH

SJCPNH

San Jose

Wed 10/15

6:15 am-8:40 am

2 stops36h 25m

Phnom Penh Pochentong

Wed 12/24

2:40 pm-10:38 am

2 stops34h 58m

$1,442

San JosePhnom Penh

SJC - PNH

SJCPNH

San Jose

Sun 12/14

7:50 pm-10:55 pm

2 stops36h 05m

Phnom Penh Pochentong

Sun 12/28

11:55 pm-10:59 pm

2 stops38h 04m

$1,877

San JosePhnom Penh

SJC - PNH

SJCPNH

San Jose

Fri 8/29

6:15 am-9:50 am

2 stops37h 35m

$725

San JosePhnom Penh

SJC - PNH

SJCPNH

San Jose

Fri 8/29

1:09 pm-4:15 pm

3 stops37h 06m

$1,207

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 13 results
1
2

Best time to book a flight from San Jose to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from San Jose with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Jose to Phnom Penh

What is the cheapest month to book a flight from San Jose to Phnom Penh?

Currently, March is the cheapest month in which you can book a flight from San Jose to Phnom Penh (average of $985). Flying from San Jose to Phnom Penh in June is currently the most expensive (average of $1,544). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from San Jose to Phnom Penh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Jose to Phnom Penh?

    For as low as $1,253, Asiana Airlines can have you in Phnom Penh from San Jose in 31h 25m. There are 7893 mi between San Jose and Phnom Penh. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from San Jose to Phnom Penh one-way?

    For one-way options, check prices for China Airlines. According to our data, you can fly for as low as $725. Users have also found prices from $1,207 and $1,466 on Qatar Airways and EVA Air, respectively.

  • Can I find deals for flights from San Jose to Phnom Penh that include hotel bookings?

    Yes. In addition to deals on San Jose to Phnom Penh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Jose to Phnom Penh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Phnom Penh.

  • Can I find deals for business class flights from San Jose to Phnom Penh?

    Yes. Cheapflights offers flight deals from San Jose to Phnom Penh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Jose to Phnom Penh?

    Currently, March is the cheapest month in which you can book a flight from San Jose to Phnom Penh (average of $985). Flying from San Jose to Phnom Penh in June is currently the most expensive (average of $1,544). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.