Flights from San Francisco to Watertown Starting at £238

We've found these cheap flights for you. You can book one-way or return flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from San Francisco to Watertown

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

16 23
23 30
Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

When are flight tickets from San Francisco (SFO) to Watertown (ART) the cheapest?

Airlines adjust prices for flights from San Francisco to Watertown based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from San Francisco (SFO) to Watertown (ART) cost?

According to Trip.com's data, the lowest price is around £603.
How many airports in Watertown (ART)?

There are 1 airport(s) in Watertown (ART): Watertown International Airport.

How to find a cheap flight from San Francisco to Watertown

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from San Francisco to Watertown. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest flight from San Francisco to Watertown.

Tap "Date" on the flight search bar to browse the calendar for San Francisco to Watertown airfare over the next 6 months in 2025.

Compare cheap flight deals from San Francisco to Watertown across hundreds of airlines.

Use our comprehensive search to compare fares from over 500 airlines and find the most affordable flight tickets from San Francisco to Watertown.

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By setting up a Price Alert for your journey from San Francisco to Watertown, you can easily keep an eye on ticket prices without having to check every day.

Don't miss out on cheap flight deals and promo codes from San Francisco to Watertown.

You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.

Book early or wait until the last minute.

It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.

Search for flights on the go.

For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from San Francisco to Watertown and snag some exclusive deals just for you.