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$444+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
ART — SFO
Jun 1 — Jun 81
Mon 6/1
Mon 6/8
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 May 2, 2026.

This American Airlines deal was found by Cheapflights users on 4/27. 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.
Wed 5/1311:25 am
ART
-
SFO
2 stops14h 13m
American Airlines
Sun 5/1710:35 pm
SFO
-
ART
1 stop9h 24m
American Airlines
Deal found 4/27$444
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 5/1411:25 am
ART
-
SFO
2 stops14h 13m
American Airlines
Mon 5/186:40 pm
SFO
-
ART
2 stops13h 19m
American Airlines
Deal found 4/28$449
This American Airlines deal was found by Cheapflights users on 4/27. 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 5/56:00 am
ART
-
SFO
1 stop8h 31m
American Airlines
Mon 5/1110:35 pm
SFO
-
ART
1 stop9h 24m
American Airlines
Deal found 4/27$487
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 5/106:00 am
ART
-
SFO
1 stop8h 31m
American Airlines
Sat 5/1612:31 pm
SFO
-
ART
1 stop7h 57m
American Airlines
Deal found 4/30$488
This American Airlines deal was found by Cheapflights users on 5/1. 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 5/1611:25 am
ART
-
SFO
2 stops13h 35m
American Airlines
Wed 5/2012:31 pm
SFO
-
ART
1 stop7h 52m
American Airlines
Deal found 5/1$557

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 May 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$444
(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 May 2, 2026.
Use the filters below to find and compare flights from Watertown to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

WatertownSan Francisco

ART - SFO

ARTSFO

Watertown

Wed 5/13

11:25 am-10:38 pm

2 stops14h 13m

San Francisco

Sun 5/17

10:35 pm-10:59 am

1 stop9h 24m

$444

WatertownSan Francisco

ART - SFO

ARTSFO

Watertown

Thu 5/14

11:25 am-10:38 pm

2 stops14h 13m

San Francisco

Mon 5/18

6:40 pm-10:59 am

2 stops13h 19m

$449

WatertownSan Francisco

ART - SFO

ARTSFO

Watertown

Sat 5/16

11:25 am-10:00 pm

2 stops13h 35m

San Francisco

Wed 5/20

12:31 pm-11:23 pm

1 stop7h 52m

$557

WatertownSan Francisco

ART - SFO

ARTSFO

Watertown

Fri 5/15

11:25 am-7:10 pm

1 stop10h 45m

San Francisco

Tue 5/19

10:35 pm-10:59 am

1 stop9h 24m

$566
Quickest round-trip

WatertownSan Francisco

ART - SFO

ARTSFO

Watertown

Thu 6/18

4:06 pm-10:43 pm

1 stop9h 37m

San Francisco

Wed 6/24

9:52 am-10:52 pm

1 stop10h 00m

$572

WatertownSan Francisco

ART - SFO

ARTSFO

Watertown

Mon 6/22

6:00 am-7:20 pm

2 stops16h 20m

San Francisco

Tue 6/30

6:45 am-10:52 pm

2 stops13h 07m

$967

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Watertown, New York-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Watertown, New York-San Francisco flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 14h 13m. 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.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Cruz
Santa Clara
Fairfield
Rancho Cordova
San Bruno
Watsonville
San Ramon
Emeryville
Vacaville
Roseville
San Carlos
Redwood City
Sunnyvale
Turlock
San Lorenzo
Davis
Manteca
Union City
Elk Grove

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