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$398+ Cheap flights from Watertown, NY to Seattle (ART - SEA)

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
ART — SEA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Watertown to Seattle

Cheapest flights from Watertown to Seattle
Explore the most affordable flight options available from Watertown to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/196:00 amART - SEA
2 stops14h 26mAmerican Airlines
Mon 12/226:00 amSEA - ART
2 stops14h 04mAmerican Airlines
Deal found 12/11$1,312

Find flight deals from Watertown to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Watertown (ART) to Seattle (SEA). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$398
(Alaska Airlines)
Provider with most accurate pricing for Watertown-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Watertown-Seattle/Tacoma Intl flights.
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From Watertown to Seattle/Tacoma Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Watertown to Seattle 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 December 12, 2025.
Use the filters below to find and compare flights from Watertown to Seattle that are best for you.

Fly from

Watertown

Fly to

Seattle

Route

Depart

Return

Price

WatertownSeattle

ART - SEA

ARTSEA

Watertown

Sat 1/31

4:31 pm-10:29 pm

1 stop8h 58m

Seattle/Tacoma Intl

Tue 2/3

9:54 am-9:23 pm

1 stop8h 29m

$398

WatertownSeattle

ART - SEA

ARTSEA

Watertown

Sat 2/14

4:28 pm-10:18 pm

1 stop8h 50m

Seattle/Tacoma Intl

Thu 2/19

12:59 am-4:03 pm

2 stops12h 04m

$399

WatertownSeattle

ART - SEA

ARTSEA

Watertown

Tue 6/2

4:40 pm-9:51 pm

1 stop8h 11m

Seattle/Tacoma Intl

Thu 6/11

12:12 pm-10:34 pm

1 stop7h 22m

$413

WatertownSeattle

ART - SEA

ARTSEA

Watertown

Wed 5/20

1:39 pm-9:46 pm

1 stop11h 07m

Seattle/Tacoma Intl

Wed 6/3

12:05 am-2:57 pm

2 stops11h 52m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Watertown to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Watertown to Seattle in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Watertown, New York-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Watertown, New York-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Watertown, New York-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Watertown, New York-Seattle flights, Cheapflights users trust eDreams the most. eDreams 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-Seattle 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 Seattle

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

Cheapflights Insights

Everything you need to know about your flight from Watertown to Seattle

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

Currently, February is the cheapest month in which you can book a flight from Watertown, New York to Seattle (average of $244). Flying from Watertown, New York to Seattle in August is currently the most expensive (average of $383). 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 Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated December 12, 2025.
Read reviews from past customers who have flown American Airlines from Watertown to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,050 reviews

Comfort

7.2

Boarding

7.5

Food

6.5

Crew

8.0

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Comfort

7.2

Boarding

7.5

Food

6.5

Crew

8.0

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

Find useful and relevant information for your journey from Watertown to Seattle. 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 Seattle?

    For as low as $399, Alaska Airlines can have you in Seattle from Watertown, New York in 8h 50m. Watertown, New York and Seattle are separated by a distance of 2211 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Watertown, New York to Seattle (average of $244). Flying from Watertown, New York to Seattle in August is currently the most expensive (average of $383). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Tukwila
Kent
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

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Top airline flying from Watertown to Seattle

Discover the top airline that operate flights from Watertown to Seattle. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$303Average$547FlexibilityNo cancel feeOn-time71%

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