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Cheap flights from Watertown, New York to San Diego from $314

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Watertown, New York to San Diego departing on 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Watertown, New York to San Diego

Cheap round-trip flights

American Airlines Logo
4:27 pm - 9:43 pmART-SAN
8h 16m1 stop
American Airlines Logo
9:14 am - 8:42 pmSAN-ART
8h 28m1 stop
$319American Airlines
Find Deal
Thu, Sep 25 - Wed, Oct 1
American Airlines Logo
4:27 pm - 9:43 pmART-SAN
8h 16m1 stop
American Airlines Logo
6:15 am - 8:42 pmSAN-ART
11h 27m2 stops
$429American Airlines
Find Deal
Thu, Sep 25 - Wed, Oct 1
American Airlines Logo
6:00 am - 3:21 pmART-SAN
12h 21m2 stops
American Airlines Logo
6:15 am - 8:42 pmSAN-ART
11h 27m2 stops
$549American Airlines
Find Deal
Thu, Sep 25 - Wed, Oct 1

American Airlines flights from Watertown, New York to San Diego

Our best American Airlines deals on Watertown, New York to San Diego flight tickets
American Airlines
Sep 25
ART4:27 pmWatertown
8h 16m
1 stop
SAN9:43 pmSan Diego
Oct 1
SAN9:14 amSan Diego
8h 28m
1 stop
ART8:42 pmWatertown
$319
Find similar
American Airlines
Sep 25
ART4:27 pmWatertown
8h 16m
1 stop
SAN9:43 pmSan Diego
Oct 1
SAN6:15 amSan Diego
11h 27m
2 stops
ART8:42 pmWatertown
$429
Find similar
American Airlines
Sep 25
ART6:00 amWatertown
12h 21m
2 stops
SAN3:21 pmSan Diego
Oct 1
SAN6:15 amSan Diego
11h 27m
2 stops
ART8:42 pmWatertown
$549
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Watertown, New York to San Diego 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, momondo users made 832,500 searches. Data last updated September 3, 2025.
Use the filters below to find and compare flights from Watertown, New York to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

WatertownSan Diego

ART - SAN

ARTSAN

Watertown

Thu 9/25

4:27 pm-9:43 pm

1 stop8h 16m

San Diego

Wed 10/1

9:14 am-8:42 pm

1 stop8h 28m

$319

WatertownSan Diego

ART - SAN

ARTSAN

Watertown

Thu 9/25

4:27 pm-9:43 pm

1 stop8h 16m

San Diego

Wed 10/1

6:15 am-8:42 pm

2 stops11h 27m

$429

WatertownSan Diego

ART - SAN

ARTSAN

Watertown

Thu 9/25

6:00 am-3:21 pm

2 stops12h 21m

San Diego

Wed 10/1

6:15 am-8:42 pm

2 stops11h 27m

$549

WatertownSan Diego

ART - SAN

ARTSAN

Watertown

Mon 9/29

4:27 pm-9:43 pm

1 stop8h 16m

$314

WatertownSan Diego

ART - SAN

ARTSAN

Watertown

Sun 9/28

6:00 am-11:36 am

1 stop8h 36m

$602

WatertownSan Diego

ART - SAN

ARTSAN

Watertown

Mon 9/29

6:00 am-3:21 pm

2 stops12h 21m

$648

WatertownSan Diego

ART - SAN

ARTSAN

Watertown

Sun 9/28

6:00 am-3:21 pm

2 stops12h 21m

$661

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San Diego from

How to get the cheapest flight ticket from Watertown, New York to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Watertown to San Diego?

American Airlines is the most popular carrier operating from Watertown to San Diego

What airlines fly to San Diego?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to San Diego from Watertown, New York according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 4 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

When to book flights from Watertown, New York to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Watertown, New York to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Watertown, New York to San Diego (ART to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Watertown, New York to San Diego

Direct flights

None
There are no direct flights from Watertown, New York to San Diego. There are no popular flight routes from Watertown, New York to San Diego.
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  • How far is Watertown to San Diego by plane?

    There are 2337.0 mi between Watertown and San Diego. In terms of flight time, this usually takes a little over 8h 16m.

  • When did momondo last update prices for flights from Watertown Airport to San Diego Airport?

    Prices for flights from Watertown Airport to San Diego Airport are updated daily.

  • How many operators does momondo search for flights from Watertown Airport to San Diego Airport?

  • How old do you have to be to fly from Watertown Airport to San Diego Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Watertown Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Watertown, New York to San Diego?

Best airlines flying from Watertown, New York to San Diego

Compare and see reviews for airlines that fly from Watertown, New York to San Diego with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $448Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
La Mesa
National City
Imperial Beach
Poway
San Ysidro
Borrego Springs
Alpine
Lemon Grove
Santee

Why use momondo?

Why should I use momondo to find a flight deal from Watertown to San Diego?

Finding the right flight to San Diego from Watertown is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

Can I find flights from Watertown to San Diego with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Diego from Watertown which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Watertown to San Diego?

momondo helps you find the best flight between Watertown and San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Watertown to San Diego right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Watertown to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.

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