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$304+ Cheap flights from Seattle to Watertown, NY (SEA - ART)

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ART
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Seattle to Watertown

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Watertown (ART). 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 July 30, 2025.

Round-trip from

$304
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$730
From Seattle/Tacoma Intl to Watertown
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($189 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Seattle to Watertown

Cheapest flights from Seattle to Watertown
Explore the most affordable flight options available from Seattle to Watertown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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 11/512:59 amSEA - ART
2 stops10h 11mAmerican Airlines
Wed 11/122:37 pmART - SEA
1 stop10h 38mAmerican Airlines
Deal found 7/29$304
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/69:59 amSEA - ART
1 stop9h 59mAlaska Airlines
Wed 11/122:37 pmART - SEA
1 stop10h 53mAlaska Airlines
Deal found 7/29$535

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Watertown 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 July 30, 2025.
Use the filters below to find and compare flights from Seattle to Watertown that are best for you.

Fly from

Seattle

Fly to

Watertown

Route

Depart

Return

Price

SeattleWatertown

SEA - ART

SEAART

Seattle/Tacoma Intl

Wed 11/5

12:59 am-2:10 pm

2 stops10h 11m

Watertown

Wed 11/12

2:37 pm-10:15 pm

1 stop10h 38m

$304

SeattleWatertown

SEA - ART

SEAART

Seattle/Tacoma Intl

Thu 11/6

9:59 am-10:58 pm

1 stop9h 59m

Watertown

Wed 11/12

2:37 pm-10:30 pm

1 stop10h 53m

$535

SeattleWatertown

SEA - ART

SEAART

Seattle/Tacoma Intl

Thu 8/7

11:59 pm-2:49 pm

2 stops11h 50m

$454

SeattleWatertown

SEA - ART

SEAART

Seattle/Tacoma Intl

Sun 1/4

9:29 am-10:35 pm

1 stop10h 06m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Seattle to Watertown

Have a flexible travel schedule? Discover the best time to fly to Watertown from Seattle 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 Seattle to Watertown

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

Currently, February is the cheapest month in which you can book a flight from Seattle to Watertown, New York (average of $187). Flying from Seattle to Watertown, New York in May is currently the most expensive (average of $423). 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.

Reviews of airlines servicing Watertown

Get insights into the airlines that provide service to Watertown. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Watertown. Reviews last updated July 30, 2025.
See what other customers who have flown with Alaska Airlines and American Airlines from Seattle to Watertown have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Watertown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Seattle to Watertown, New York round-trip?

    According to our current data, American Airlines ($304), and Alaska Airlines ($535) offers the cheapest pricing from Seattle to Watertown, New York. You may be able to fly from Seattle to Watertown, New York for 47% less than the average price by searching for these airlines.

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

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

  • How can I find direct flights from Seattle to Watertown?

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

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

    Yes. Cheapflights offers flight deals from Seattle to Watertown 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 Seattle to Watertown, New York?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Watertown, New York (average of $187). Flying from Seattle to Watertown, New York in May is currently the most expensive (average of $423). 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 Watertown?

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

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Top airline flying from Seattle to Watertown

Discover the top airline that operate flights from Seattle to Watertown. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$356Average$517FlexibilityNo cancel feeOn-time71%

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