$295 Cheap Flights from Watertown (ATY) to San Jose (SJC)

View $295 flight on Thu, Sep 25, 2025Opens in a new window

Popular airlines from Watertown, SD (ATY-Watertown Regional) to Norman Y. Mineta San Jose Intl. Airport (SJC)

Cheap Flights from Watertown to San Jose (ATY-SJC)

Prices were available within the past 7 days and start at $295 for one-way flights and $264 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 23 - Tue, Sep 30
ATY
Watertown
SJC
San Jose
$264 Roundtrip, found 4 days ago
$264
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Sep 23 from Watertown to San Jose, returning Tue, Sep 30, priced at $264 found 4 days ago
Delta
Fri, Sep 26 - Tue, Sep 30
ATY
Watertown
SJC
San Jose
$289 Roundtrip, found 4 days ago
$289
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Sep 26 from Watertown to San Jose, returning Tue, Sep 30, priced at $289 found 4 days ago
Delta
Tue, Sep 23 - Sat, Sep 27
ATY
Watertown
SJC
San Jose
$312 Roundtrip, found 4 days ago
$312
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Sep 23 from Watertown to San Jose, returning Sat, Sep 27, priced at $312 found 4 days ago
Delta
Tue, Sep 23 - Thu, Oct 2
ATY
Watertown
SJC
San Jose
$319 Roundtrip, found 4 days ago
$319
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Sep 23 from Watertown to San Jose, returning Thu, Oct 2, priced at $319 found 4 days ago
Delta
Mon, Sep 22 - Tue, Sep 30
ATY
Watertown
SJC
San Jose
$332 Roundtrip, found 4 days ago
$332
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Sep 22 from Watertown to San Jose, returning Tue, Sep 30, priced at $332 found 4 days ago
Delta
Fri, Sep 26 - Sat, Sep 27
ATY
Watertown
SJC
San Jose
$337 Roundtrip, found 4 days ago
$337
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Sep 26 from Watertown to San Jose, returning Sat, Sep 27, priced at $337 found 4 days ago
Delta
Fri, Sep 26 - Thu, Oct 2
ATY
Watertown
SJC
San Jose
$344 Roundtrip, found 4 days ago
$344
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Sep 26 from Watertown to San Jose, returning Thu, Oct 2, priced at $344 found 4 days ago
Delta
Fri, Sep 26 - Mon, Sep 29
ATY
Watertown
SJC
San Jose
$362 Roundtrip, found 4 days ago
$362
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Sep 26 from Watertown to San Jose, returning Mon, Sep 29, priced at $362 found 4 days ago
Delta
Mon, Sep 22 - Sat, Sep 27
ATY
Watertown
SJC
San Jose
$380 Roundtrip, found 4 days ago
$380
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Sep 22 from Watertown to San Jose, returning Sat, Sep 27, priced at $380 found 4 days ago
United
Wed, Aug 13 - Sun, Aug 17
ATY
Watertown
SJC
San Jose
$735 Roundtrip, found 2 days ago
$735
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 13 from Watertown to San Jose, returning Sun, Aug 17, priced at $735 found 2 days ago
Flights from Watertown (ATY) to San Jose (SJC)
Origin airport
Watertown Regional
Destination airport
Norman Y. Mineta San Jose Intl.
Roundtrip price
$263
Distance
1383 mi

Watertown to San Jose Flights

The cheapest times to fly from Watertown to San Jose

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 Watertown to San Jose are during the month of September. You can find some of the cheapest flights from Watertown to San Jose with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Watertown to San Jose

Sunday is one of the best days to book for cheap flights from Watertown to San Jose: 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 Watertown to San Jose

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 Watertown to San Jose in 2025. You can also book with separate airlines for your outbound and return journeys, from $295 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 Watertown to San Jose 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 Watertown to San Jose 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 Watertown Regional Airport (ATY) to Norman Y. Mineta San Jose Intl. Airport (SJC) cost?
Grab a cheap one-way flight from $295 or cheap return flight from $264 from Watertown Regional Airport (ATY) to Norman Y. Mineta San Jose Intl. Airport (SJC) 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 Watertown Regional Airport (ATY) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Flying in September may help you find better deals, as it's the cheapest month for flights between ATY and SJC. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Watertown Regional Airport (ATY) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
To find the cheapest airline that'll fly you from ATY to SJC, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Watertown Regional Airport (ATY) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
There aren't any daily nonstop flights departing from Watertown Regional Airport (ATY) to Norman Y. Mineta San Jose Intl. Airport (SJC). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from ATY to SJC?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Watertown Regional Airport (ATY) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
To reach Norman Y. Mineta San Jose Intl. Airport (SJC) on schedule, choose a flight that leaves from Watertown Regional Airport (ATY) before 3 PM. The likelihood 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 Watertown Regional Airport (ATY) to Norman Y. Mineta San Jose Intl. Airport (SJC) last-minute?
Holding off until just before your trip to book a flight from ATY to SJC generally means paying more. Although you may find some last-minute discounts, they aren't always guaranteed. Be flexible with your travel plans for a better chance of snagging a bargain.
Is it cheaper to book an ATY to SJC flight and hotel package?
Compared with arranging hotels and flights separately, booking an ATY to SJC flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the stress out of travel planning. Simply secure your flights and choose from our extensive range of stays, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Watertown Regional Airport (ATY) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
In most instances, you can cancel or reschedule your ATY to SJC flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like further details, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.