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Cheap flights from Seattle to Watertown from $501

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Watertown departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Watertown

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:56 pm - 3:53 pmSEA  Seattle/Tacoma Intl-ART Watertown
12h 57m2 stops Chicago O'Hare Intl Philadelphia
American Airlines Logo
4:18 pm - 10:57 pmART  Watertown-SEA Seattle/Tacoma Intl
9h 39m1 stop Philadelphia
$501American Airlines
Tue, Sep 8 - Mon, Sep 14
American Airlines Logo
11:56 pm - 3:53 pmSEA  Seattle/Tacoma Intl-ART Watertown
12h 57m2 stops Chicago O'Hare Intl Philadelphia
American Airlines Logo
6:00 am - 6:37 pmART  Watertown-SEA Seattle/Tacoma Intl
15h 37m2 stops Philadelphia Charlotte Douglas
$681American Airlines
Tue, Sep 8 - Mon, Sep 14
American Airlines Logo
9:58 pm - 3:53 pmSEA  Seattle/Tacoma Intl-ART Watertown
14h 55m1 stop Philadelphia
American Airlines Logo
6:00 am - 9:05 pmART  Watertown-SEA Seattle/Tacoma Intl
18h 05m1 stop Philadelphia
$815American Airlines
Tue, Sep 8 - Mon, Sep 14
American Airlines Logo
11:11 pm - 3:35 pmSEA  Seattle/Tacoma Intl-ART Watertown
13h 24m2 stops Dallas/Fort Worth Philadelphia
American Airlines Logo
6:00 am - 11:50 amART  Watertown-SEA Seattle/Tacoma Intl
8h 50m1 stop Philadelphia
$1,032American Airlines
Sun, Aug 23 - Thu, Aug 27
American Airlines Logo
11:56 pm - 3:35 pmSEA  Seattle/Tacoma Intl-ART Watertown
12h 39m2 stops Chicago O'Hare Intl Philadelphia
American Airlines Logo
6:00 am - 4:32 pmART  Watertown-SEA Seattle/Tacoma Intl
13h 32m2 stops Philadelphia Los Angeles
$1,037American Airlines
Sun, Aug 23 - Thu, Aug 27
Alaska Airlines Logo
9:40 am - 10:55 pmSEA  Seattle/Tacoma Intl-ART Watertown
10h 15m1 stop Philadelphia
Alaska Airlines Logo
4:00 pm - 9:51 pmART  Watertown-SEA Seattle/Tacoma Intl
8h 51m1 stop Philadelphia
$1,046Alaska Airlines
Thu, Aug 27 - Mon, Aug 31
Alaska Airlines Logo
9:27 pm - 10:55 pmSEA  Seattle/Tacoma Intl-ART Watertown
22h 28m1 stop Philadelphia
Alaska Airlines Logo
4:00 pm - 9:51 pmART  Watertown-SEA Seattle/Tacoma Intl
8h 51m1 stop Philadelphia
$1,190Alaska Airlines
Sun, Aug 23 - Thu, Aug 27

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American Airlines flights from Seattle to Watertown, New York

Our best American Airlines deals on Seattle to Watertown, New York flight tickets
American Airlines
Sep 8
SEA11:56 pmSeattle/Tacoma Intl
12h 57m
2 stops
ART3:53 pmWatertown
Sep 14
ART4:18 pmWatertown
9h 39m
1 stop
SEA10:57 pmSeattle/Tacoma Intl
$501
American Airlines
Sep 8
SEA11:56 pmSeattle/Tacoma Intl
12h 57m
2 stops
ART3:53 pmWatertown
Sep 14
ART6:00 amWatertown
15h 37m
2 stops
SEA6:37 pmSeattle/Tacoma Intl
$681
American Airlines
Sep 8
SEA9:58 pmSeattle/Tacoma Intl
14h 55m
1 stop
ART3:53 pmWatertown
Sep 14
ART6:00 amWatertown
18h 05m
1 stop
SEA9:05 pmSeattle/Tacoma Intl
$815

Alaska Airlines flights from Seattle to Watertown, New York

Our best Alaska Airlines deals on Seattle to Watertown, New York flight tickets
Alaska Airlines
Aug 27
SEA9:40 amSeattle/Tacoma Intl
10h 15m
1 stop
ART10:55 pmWatertown
Aug 31
ART4:00 pmWatertown
8h 51m
1 stop
SEA9:51 pmSeattle/Tacoma Intl
$1,046
Alaska Airlines
Aug 23
SEA9:27 pmSeattle/Tacoma Intl
22h 28m
1 stop
ART10:55 pmWatertown
Aug 27
ART4:00 pmWatertown
8h 51m
1 stop
SEA9:51 pmSeattle/Tacoma Intl
$1,190

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Watertown, New York 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 August 10, 2026.
Use the filters below to find and compare flights from Seattle to Watertown, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleWatertown

SEA Seattle/Tacoma Intl - ART Watertown

SEAART

Seattle/Tacoma Intl

Tue 9/8

11:56 pm-3:53 pm

2 stops12h 57m

Watertown

Mon 9/14

4:18 pm-10:57 pm

1 stop9h 39m

$501

SeattleWatertown

SEA Seattle/Tacoma Intl - ART Watertown

SEAART

Seattle/Tacoma Intl

Tue 9/8

11:56 pm-3:53 pm

2 stops12h 57m

Watertown

Mon 9/14

6:00 am-6:37 pm

2 stops15h 37m

$681

SeattleWatertown

SEA Seattle/Tacoma Intl - ART Watertown

SEAART

Seattle/Tacoma Intl

Tue 9/8

9:58 pm-3:53 pm

1 stop14h 55m

Watertown

Mon 9/14

6:00 am-9:05 pm

1 stop18h 05m

$815

SeattleWatertown

SEA Seattle/Tacoma Intl - ART Watertown

SEAART

Seattle/Tacoma Intl

Sun 8/23

11:11 pm-3:35 pm

2 stops13h 24m

Watertown

Thu 8/27

6:00 am-11:50 am

1 stop8h 50m

$1,032

SeattleWatertown

SEA Seattle/Tacoma Intl - ART Watertown

SEAART

Seattle/Tacoma Intl

Sun 8/23

11:56 pm-3:35 pm

2 stops12h 39m

Watertown

Thu 8/27

6:00 am-4:32 pm

2 stops13h 32m

$1,037
Quickest round-trip

SeattleWatertown

SEA Seattle/Tacoma Intl - ART Watertown

SEAART

Seattle/Tacoma Intl

Thu 8/27

9:40 am-10:55 pm

1 stop10h 15m

Watertown

Mon 8/31

4:00 pm-9:51 pm

1 stop8h 51m

$1,046

SeattleWatertown

SEA Seattle/Tacoma Intl - ART Watertown

SEAART

Seattle/Tacoma Intl

Sun 8/23

9:27 pm-10:55 pm

1 stop22h 28m

Watertown

Thu 8/27

4:00 pm-9:51 pm

1 stop8h 51m

$1,190
Cheapest one-way
Quickest one-way

SeattleWatertown

SEA Seattle/Tacoma Intl - ART Watertown

SEAART

Seattle/Tacoma Intl

Sun 9/27

9:33 am-10:50 pm

1 stop10h 17m

$551

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Watertown from

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

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 Seattle/Tacoma Intl to Watertown?

Alaska Airlines is the most popular carrier operating from Seattle/Tacoma Intl to Watertown

What airlines fly to Watertown, New York?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Watertown, New York from Seattle according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Watertown, New York. Keep in mind that there are 4 different airlines that fly to Watertown, New York on a routine basis, so you have a few additional options to choose from.

When to book flights from Seattle to Watertown, New York

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

Cheap Seattle to Watertown, New York (SEA to ART) flight deals and tips

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

Fastest flight time

10h 15m

Direct flights

None
The fastest flight from Seattle to Watertown, New York takes 10h 15m
There are no direct flights from Seattle to Watertown, New York. There are no popular flight routes from Seattle to Watertown, New York.
Search flight deals

Frequently asked questions about flying from Seattle to Watertown, New York

  • How far is Seattle/Tacoma Intl to Watertown by plane?

    Watertown is 2215.6 mi away from Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 10h 15m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Watertown Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Watertown Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Watertown Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Watertown Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Watertown Airport.

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

    The travel and health documents required for your trip to Watertown Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Watertown Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Seattle to Watertown, New York

Compare and see reviews for airlines that fly from Seattle to Watertown, New York with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $159Free CancellationRating
7.1
11,899 reviews
Search American Airlines flights

Traveling to a place near Watertown?

Book flights to Watertown if you plan to visit one of these locations
Alexandria Bay
Clayton

Why use momondo?

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

It is quick and easy to find Seattle to Watertown flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Watertown that suits you.

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

Yes. All flights to Watertown from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Watertown?

momondo provides multiple filters to help you find the best flight to Watertown from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Seattle to Watertown flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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