$415 Cheap Flights from San Jose (SJC) to Phnom Penh (PNH)

View $415 flight on Wed, Sep 3, 2025Opens in a new window

Popular airlines from Norman Y. Mineta San Jose Intl. Airport (SJC) to Phnom Penh Intl. Airport (PNH)

Cheap Flights from San Jose to Phnom Penh (SJC-PNH)

Prices were available within the past 7 days and start at $415 for one-way flights and $1,178 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Mon, Nov 10 - Sat, Nov 22
SJC
San Jose
PNH
Phnom Penh
$1,178 Roundtrip, found 3 days ago
$1,178
Roundtrip
found 3 days ago
Select Singapore Airlines flight, departing Mon, Nov 10 from San Jose to Phnom Penh, returning Sat, Nov 22, priced at $1,178 found 3 days ago
Singapore Airlines
Mon, Nov 10 - Sat, Nov 22
SJC
San Jose
PNH
Phnom Penh
$1,228 Roundtrip, found 3 days ago
$1,228
Roundtrip
found 3 days ago
Select Singapore Airlines flight, departing Mon, Nov 10 from San Jose to Phnom Penh, returning Sat, Nov 22, priced at $1,228 found 3 days ago
Singapore Airlines
Mon, Nov 10 - Sat, Nov 22
SJC
San Jose
PNH
Phnom Penh
$1,253 Roundtrip, found 3 days ago
$1,253
Roundtrip
found 3 days ago
Select Singapore Airlines flight, departing Mon, Nov 10 from San Jose to Phnom Penh, returning Sat, Nov 22, priced at $1,253 found 3 days ago
Delta
Sat, Sep 6 - Sat, Sep 13
SJC
San Jose
PNH
Phnom Penh
$1,260 Roundtrip, found 5 days ago
$1,260
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Sep 6 from San Jose to Phnom Penh, returning Sat, Sep 13, priced at $1,260 found 5 days ago
Delta
Sat, Sep 6 - Sat, Sep 13
SJC
San Jose
PNH
Phnom Penh
$1,266 Roundtrip, found 5 days ago
$1,266
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Sep 6 from San Jose to Phnom Penh, returning Sat, Sep 13, priced at $1,266 found 5 days ago
Delta
Sat, Sep 6 - Sat, Sep 13
SJC
San Jose
PNH
Phnom Penh
$1,272 Roundtrip, found 5 days ago
$1,272
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Sep 6 from San Jose to Phnom Penh, returning Sat, Sep 13, priced at $1,272 found 5 days ago
Delta
Wed, Sep 3 - Sat, Sep 13
SJC
San Jose
PNH
Phnom Penh
$1,273 Roundtrip, found 5 days ago
$1,273
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Sep 3 from San Jose to Phnom Penh, returning Sat, Sep 13, priced at $1,273 found 5 days ago
Delta
Sat, Sep 6 - Sat, Sep 13
SJC
San Jose
PNH
Phnom Penh
$1,278 Roundtrip, found 5 days ago
$1,278
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Sep 6 from San Jose to Phnom Penh, returning Sat, Sep 13, priced at $1,278 found 5 days ago
Delta
Sat, Sep 6 - Sat, Sep 13
SJC
San Jose
PNH
Phnom Penh
$1,284 Roundtrip, found 5 days ago
$1,284
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Sep 6 from San Jose to Phnom Penh, returning Sat, Sep 13, priced at $1,284 found 5 days ago
Singapore Airlines
Mon, Nov 10 - Sat, Nov 22
SJC
San Jose
PNH
Phnom Penh
$1,295 Roundtrip, found 3 days ago
$1,295
Roundtrip
found 3 days ago
Select Singapore Airlines flight, departing Mon, Nov 10 from San Jose to Phnom Penh, returning Sat, Nov 22, priced at $1,295 found 3 days ago
Flights from San Jose (SJC) to Phnom Penh (PNH)
Origin airport
Norman Y. Mineta San Jose Intl.
Destination airport
Phnom Penh Intl.
Roundtrip price
$1,177
Distance
7897 mi

San Jose to Phnom Penh Flights

The cheapest times to fly from San Jose to Phnom Penh

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Jose to Phnom Penh are during the month of November. You can find some of the cheapest flights from San Jose to Phnom Penh with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Jose to Phnom Penh

Sunday is one of the best days to book for cheap flights from San Jose to Phnom Penh: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Jose to Phnom Penh

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Jose to Phnom Penh in 2025. You can also book with separate airlines for your outbound and return journeys, from $415 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Jose to Phnom Penh flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Jose to Phnom Penh airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Phnom Penh Intl. Airport (PNH) cost?
Lock in a cheap one-way flight from $415 or cheap return flight from $1,178 from Norman Y. Mineta San Jose Intl. Airport (SJC) to Phnom Penh Intl. Airport (PNH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Norman Y. Mineta San Jose Intl. Airport (SJC) to Phnom Penh Intl. Airport (PNH)?
November is the least expensive month to fly from SJC to PNH. Traveling outside of peak seasons is often the key to better flight prices.
What is the cheapest airline that flies from Norman Y. Mineta San Jose Intl. Airport (SJC) to Phnom Penh Intl. Airport (PNH)?
To find the cheapest airline flying from SJC to PNH, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Norman Y. Mineta San Jose Intl. Airport (SJC) to Phnom Penh Intl. Airport (PNH)?
You'll have to catch a flight with a layover when traveling from Norman Y. Mineta San Jose Intl. Airport (SJC) to Phnom Penh Intl. Airport (PNH). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from SJC to PNH?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Norman Y. Mineta San Jose Intl. Airport (SJC) to Phnom Penh Intl. Airport (PNH)?
To land at Phnom Penh Intl. Airport (PNH) without delays, choose a flight that takes off from Norman Y. Mineta San Jose Intl. Airport (SJC) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Norman Y. Mineta San Jose Intl. Airport (SJC) to Phnom Penh Intl. Airport (PNH) last-minute?
Booking your plane ticket from SJC to PNH right before your trip is usually more expensive. However, if you're flexible with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a SJC to PNH flight and hotel package?
Booking a SJC to PNH flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Phnom Penh Intl. Airport (PNH)?
It's usually possible to cancel or reschedule your SJC to PNH flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.