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$318+ Cheap flights from Watertown, NY to San Francisco (ART - SFO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ART — SFO
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap flight deals from Watertown to San Francisco

Cheapest flights from Watertown to San Francisco
Explore the most affordable flight options available from Watertown to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amART - SFO
1 stop8h 48mAmerican Airlines
Thu 1/16:10 amSFO - ART
1 stop9h 20mAmerican Airlines
Deal found 12/19$746
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amART - SFO
1 stop8h 48mAmerican Airlines
Wed 12/316:00 amSFO - ART
2 stops11h 32mAmerican Airlines
Deal found 12/19$752
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:05 pmART - SFO
1 stop19h 19mAmerican Airlines
Thu 1/16:10 amSFO - ART
1 stop9h 20mAmerican Airlines
Deal found 12/19$922
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amART - SFO
2 stops17h 51mAmerican Airlines
Thu 1/16:10 amSFO - ART
1 stop9h 20mAmerican Airlines
Deal found 12/19$966
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:00 amART - SFO
2 stops12h 06mAmerican Airlines
Thu 1/16:10 amSFO - ART
1 stop9h 20mAmerican Airlines
Deal found 12/19$1,025
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:00 amART - SFO
2 stops12h 06mAmerican Airlines
Wed 12/316:00 amSFO - ART
2 stops11h 32mAmerican Airlines
Deal found 12/19$1,030

Find flight deals from Watertown to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Watertown (ART) to San Francisco (SFO). 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 December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$318
(American Airlines)
Provider with most accurate pricing for Watertown-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Watertown-San Francisco flights.
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From Watertown to San Francisco
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Watertown to San Francisco 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 December 21, 2025.
Use the filters below to find and compare flights from Watertown to San Francisco that are best for you.

Fly from

Watertown

Fly to

San Francisco

Route

Depart

Return

Price

WatertownSan Francisco

ART - SFO

ARTSFO

Watertown

Tue 5/5

1:39 pm-6:50 pm

1 stop8h 11m

San Francisco

Sat 5/9

11:08 pm-12:00 pm

1 stop9h 52m

$318

WatertownSan Francisco

ART - SFO

ARTSFO

Watertown

Sat 1/3

6:00 am-3:06 pm

2 stops12h 06m

San Francisco

Wed 1/7

6:37 am-6:14 pm

1 stop8h 37m

$879

WatertownSan Francisco

ART - SFO

ARTSFO

Watertown

Wed 12/31

7:30 am-11:15 am

2 stops30h 45m

San Francisco

Sun 1/4

11:35 pm-6:30 pm

1 stop15h 55m

$1,146

WatertownSan Francisco

ART - SFO

ARTSFO

Watertown

Mon 1/5

6:00 am-3:58 pm

2 stops12h 58m

San Francisco

Fri 1/9

6:37 am-6:14 pm

1 stop8h 37m

$1,215

WatertownSan Francisco

ART - SFO

ARTSFO

Watertown

Sun 1/4

6:58 pm-11:24 am

1 stop19h 26m

San Francisco

Thu 1/8

6:37 am-6:14 pm

1 stop8h 37m

$1,270

WatertownSan Francisco

ART - SFO

ARTSFO

Watertown

Sun 12/28

6:00 am-11:48 am

1 stop8h 48m

$675

WatertownSan Francisco

ART - SFO

ARTSFO

Watertown

Sat 1/3

6:58 pm-9:22 am

2 stops17h 24m

$694

WatertownSan Francisco

ART - SFO

ARTSFO

Watertown

Thu 1/1

6:58 pm-11:48 am

1 stop19h 50m

$929

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Compare providers for flights from Watertown to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Watertown to San Francisco in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Watertown, New York-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Watertown, New York-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Watertown, New York-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Watertown, New York-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Watertown, New York-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Watertown to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco 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 Francisco

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

Currently, August is the cheapest month in which you can book a flight from Watertown, New York to San Francisco (average of $178). Flying from Watertown, New York to San Francisco 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

Find useful and relevant information for your journey from Watertown to San Francisco. 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 Francisco?

    There are many flights that can get you from Watertown, New York to San Francisco in 8h 11m. Fly via American Airlines to get the fastest option. The distance between Watertown, New York and San Francisco is about 2430 mi.

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

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

  • How can I find direct flights from Watertown to San Francisco?

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

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

    Yes. Cheapflights offers flight deals from Watertown to San Francisco 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 Francisco?

    Currently, August is the cheapest month in which you can book a flight from Watertown, New York to San Francisco (average of $178). Flying from Watertown, New York to San Francisco 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.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Redwood City
Sunnyvale
Santa Clara
San Bruno
Daly City
San Carlos
Vallejo
Hollister
San Ramon
Foster City
Union City
Davis
Emeryville

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