How long is the flight from Watertown, New York to San Jose, California?

American Airlines can get you from Watertown, New York to San Jose, California in just under 18h 05m. Your travel time can differ by up to . Watertown, New York and San Jose, California are separated by a distance of 2415 mi.

In terms of precipitation, rainfall in San Jose, California ranges from 0.0 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. July is typically the driest time to visit San Jose, California when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Jose, California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

What is the cheapest time of day to fly from ART to SJC?

When flying from Watertown, New York to San Jose, California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Watertown to San Jose that include hotel bookings?

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

How can I find direct flights from Watertown to San Jose?

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

Can I find deals for business class flights from Watertown to San Jose?

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

$728+ Flights from Watertown, NY to San Jose, CA

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Cheap flight deals from Watertown to San Jose

Best flights from Watertown to San Jose
Discover carefully curated flight deals from Watertown to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Sun 1/46:58 pmART - SJC

2 stops18h 05mAmerican Airlines

Tue 1/66:00 amSJC - ART

2 stops12h 23mAmerican Airlines

Deal found 12/14

$1,139

Sun 1/46:58 pmART - SJC

2 stops18h 05mAmerican Airlines

Wed 1/76:00 amSJC - ART

2 stops12h 23mAmerican Airlines

Deal found 12/14

$1,139

Last-minute flights from Watertown to San Jose
Discover last-minute flight deals from Watertown to San Jose. Data last updated December 15, 2025 and is based on user searches.

Sun 1/46:58 pmART - SJC

2 stops18h 05mAmerican Airlines

Wed 1/76:00 amSJC - ART

2 stops12h 23mAmerican Airlines

Deal found 12/14

$1,139

Sun 1/46:58 pmART - SJC

2 stops18h 05mAmerican Airlines

Tue 1/66:00 amSJC - ART

3 stops12h 23mAmerican Airlines

Deal found 12/14

$1,349

One-way flights from Watertown to San Jose
Search for one-way flight options from Watertown to San Jose. Find affordable one-way fares based on user searches. Data last updated December 15, 2025.

Tue 12/307:05 pmART - SJC

2 stops22h 47mAmerican Airlines

Deal found 12/15

$728

Sun 12/286:58 pmART - SJC

2 stops29h 15mAmerican Airlines

Deal found 12/15

$741

Sat 12/276:58 pmART - SJC

2 stops29h 18mAmerican Airlines

Deal found 12/15

$802

Fri 12/266:00 amART - SJC

2 stops31h 00mAmerican Airlines

Deal found 12/15

$844

Find flight deals from Watertown to San Jose

Round-trip from	$1,139 (American Airlines)

From Watertown to San Jose

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Use the filters below to find and compare flights from Watertown to San Jose that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

WatertownSan Jose

ART - SJC

ARTSJC

Watertown

Sun 1/4

6:58 pm-10:03 am

2 stops18h 05m

San Jose

Tue 1/6

6:00 am-9:23 pm

2 stops12h 23m

$1,139

WatertownSan Jose

ART - SJC

ARTSJC

Watertown

Sun 1/4

6:58 pm-10:03 am

2 stops18h 05m

San Jose

Wed 1/7

6:00 am-9:23 pm

2 stops12h 23m

$1,139

WatertownSan Jose

ART - SJC

ARTSJC

Watertown

Tue 12/30

7:05 pm-2:52 pm

2 stops22h 47m

$728

WatertownSan Jose

ART - SJC

ARTSJC

Watertown

Sun 12/28

6:58 pm-9:13 pm

2 stops29h 15m

$741

WatertownSan Jose

ART - SJC

ARTSJC

Watertown

Mon 12/29

6:00 am-9:13 pm

2 stops18h 13m

$741

WatertownSan Jose

ART - SJC

ARTSJC

Watertown

Sat 12/27

6:58 pm-9:16 pm

2 stops29h 18m

$802

WatertownSan Jose

ART - SJC

ARTSJC

Watertown

Fri 12/26

6:00 am-10:00 am

2 stops31h 00m

$844

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Best time to book a flight from Watertown to San Jose

Have a flexible travel schedule? Discover the best time to fly to San Jose from Watertown 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 Watertown to San Jose

What is the cheapest month to book a flight from Watertown, New York to San Jose, California?

Currently, August is the cheapest month in which you can book a flight from Watertown, New York to San Jose, California (average of $178). Flying from Watertown, New York to San Jose, California in October is currently the most expensive (average of $292). 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

How long is the flight from Watertown, New York to San Jose, California?
American Airlines can get you from Watertown, New York to San Jose, California in just under 18h 05m. Your travel time can differ by up to . Watertown, New York and San Jose, California are separated by a distance of 2415 mi.
Can I find deals for flights from Watertown to San Jose that include hotel bookings?
Yes. In addition to deals on Watertown to San Jose flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Watertown to San Jose?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Watertown to San Jose.
Can I find deals for business class flights from Watertown to San Jose?
Yes. Cheapflights offers flight deals from Watertown to San Jose 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 Watertown, New York to San Jose, California?
Currently, August is the cheapest month in which you can book a flight from Watertown, New York to San Jose, California (average of $178). Flying from Watertown, New York to San Jose, California in October is currently the most expensive (average of $292). 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.

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$728+ Cheap flights from Watertown, NY to San Jose, CA (ART - SJC)

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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Watertown to San Jose with Cheapflights

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Cheap flight deals from Watertown to San Jose

Best flights from Watertown to San JoseDiscover carefully curated flight deals from Watertown to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Discover carefully curated flight deals from Watertown to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

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Use the filters below to find and compare flights from Watertown to San Jose that are best for you.

Best time to book a flight from Watertown to San Jose

Have a flexible travel schedule? Discover the best time to fly to San Jose from Watertown with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Watertown to San Jose

What is the cheapest month to book a flight from Watertown, New York to San Jose, California?

Related info for your journey

Find useful and relevant information for your journey from Watertown to San Jose. 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 Watertown, New York to San Jose, California?

Can I find deals for flights from Watertown to San Jose that include hotel bookings?

How can I find direct flights from Watertown to San Jose?

Can I find deals for business class flights from Watertown to San Jose?

What is the cheapest month to book a flight from Watertown, New York to San Jose, California?

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Best flights from Watertown to San Jose
Discover carefully curated flight deals from Watertown to San Jose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.