Latest deals
Insights
FAQs
Price Alerts

Cheap flights from San Jose, California to Siem Reap from $1,432

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 Jose, California to Siem Reap departing on 6/9. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Jose, California to Siem Reap

Cheap one-way flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
9:59 am - 12:15 pm
SJC
-
SAI
36h 16m
3 stops
$1,432Qatar Airways
Tue, Jun 9
Qatar Airways Logo
8:15 pm - 12:15 pm
SJC
-
SAI
50h 00m
3 stops
$1,488Qatar Airways
Sat, Jun 6

momondo Fare Finder

 
Customize your flight search to find flights from San Jose, 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 February 27, 2026.
Use the filters below to find and compare flights from San Jose, California to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseSiem Reap

SJC - SAI

SJCSAI

San Jose

Tue 6/9

9:59 am-12:15 pm

3 stops36h 16m

$1,432

San JoseSiem Reap

SJC - SAI

SJCSAI

San Jose

Sat 6/6

8:15 pm-12:15 pm

3 stops50h 00m

$1,488

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Siem Reap from

How to get the cheapest flight ticket from San Jose, 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 San Jose to Siem Reap?

Qatar Airways is the most popular carrier operating from San Jose to Siem Reap

Cheap San Jose, California to Region of Siem Reap flight deals and tips

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

Fastest flight time

33h 30m

Direct flights

None
The fastest flight from San Jose, California to Region of Siem Reap takes 33h 30m
There are no direct flights from San Jose, California to Region of Siem Reap. There are no popular flight routes from San Jose, California to Region of Siem Reap.
Search flight deals

  • When did momondo last update prices for flights from San Jose Airport to Siem Reap?

    Prices for flights from San Jose Airport to Siem Reap are updated daily.

  • How old do you have to be to fly from San Jose Airport to Siem Reap?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Jose Airport to Siem Reap.

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

    The required travel and health documents for your Siem Reap 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from San Jose to Siem Reap?

It is quick and easy to find San Jose to Siem Reap flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Siem Reap that suits you.

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

Yes. momondo allows you to filter the results for San Jose to Siem Reap flights to just show those with flexible booking policies.

How can momondo help me find flights from San Jose to Siem Reap?

Once you have performed a search for San Jose to Siem Reap flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Siem Reap from San Jose 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.

An easier way to manage your Region of 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 3/29
Sun 4/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Siem Reap

Popular cities in Siem Reap

Popular flights according to clicks in the last 7 days on momondo
Flights to Phnom Penhfrom $1,020
Flights to Siem Reapfrom $616
Flights to Krong Preah Sihanoukfrom $1,070