$199 Cheap Flights from Seattle (SEA) to Watertown (ART)

View $199 flight on Wed, Feb 18, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Watertown, NY (ART-Watertown Intl.)

Cheap Flights from Seattle to Watertown (SEA-ART)

Prices were available within the past 7 days and start at $199 for one-way flights and $384 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Nov 13 - Sun, Nov 16
SEA
Seattle
ART
Watertown
$384 Roundtrip, found 3 days ago
$384
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 13 from Seattle to Watertown, returning Sun, Nov 16, priced at $384 found 3 days ago
American Airlines
Thu, Nov 20 - Wed, Dec 3
SEA
Seattle
ART
Watertown
$399 Roundtrip, found 14 hours ago
$399
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Thu, Nov 20 from Seattle to Watertown, returning Wed, Dec 3, priced at $399 found 14 hours ago
American Airlines
Thu, Sep 17 - Tue, Sep 22
SEA
Seattle
ART
Watertown
$408 Roundtrip, found 6 days ago
$408
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Sep 17 from Seattle to Watertown, returning Tue, Sep 22, priced at $408 found 6 days ago
Alaska Airlines
Fri, Dec 5 - Fri, Dec 12
SEA
Seattle
ART
Watertown
$423 Roundtrip, found 11 hours ago
$423
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Fri, Dec 5 from Seattle to Watertown, returning Fri, Dec 12, priced at $423 found 11 hours ago
American Airlines
Thu, Nov 13 - Sun, Nov 16
SEA
Seattle
ART
Watertown
$439 Roundtrip, found 3 days ago
$439
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 13 from Seattle to Watertown, returning Sun, Nov 16, priced at $439 found 3 days ago
American Airlines
Mon, Nov 17 - Thu, Dec 4
SEA
Seattle
ART
Watertown
$444 Roundtrip, found 14 hours ago
$444
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Mon, Nov 17 from Seattle to Watertown, returning Thu, Dec 4, priced at $444 found 14 hours ago
Alaska Airlines
Thu, Dec 4 - Sat, Dec 6
SEA
Seattle
ART
Watertown
$448 Roundtrip, found 4 days ago
$448
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Dec 4 from Seattle to Watertown, returning Sat, Dec 6, priced at $448 found 4 days ago
American Airlines
Thu, Nov 13 - Sat, Nov 15
SEA
Seattle
ART
Watertown
$484 Roundtrip, found 3 days ago
$484
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 13 from Seattle to Watertown, returning Sat, Nov 15, priced at $484 found 3 days ago
American Airlines
Sat, Nov 15 - Sat, Nov 22
SEA
Seattle
ART
Watertown
$486 Roundtrip, found 1 day ago
$486
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Nov 15 from Seattle to Watertown, returning Sat, Nov 22, priced at $486 found 1 day ago
American Airlines
Mon, May 18 - Fri, May 29
SEA
Seattle
ART
Watertown
$488 Roundtrip, found 4 days ago
$488
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, May 18 from Seattle to Watertown, returning Fri, May 29, priced at $488 found 4 days ago

Find the cheapest month to fly from Seattle (SEA) to Watertown (ART)

January is typically the cheapest month to fly

From $256 - $988 per traveler.

Alternative airports near Watertown

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Watertown Intl. ART. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $444
ART
Watertown Intl.
CheapestClosest
Average driving time to city center9 min
Flights from $444
Flights from Seattle (SEA) to Watertown (ART)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Watertown Intl.
Airlines serving
Alaska Airlines, American Airlines
Roundtrip price
$383
Distance
2211 mi

Seattle to Watertown Flights

The cheapest times to fly from Seattle to Watertown

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Watertown are during the month of November. You can find some of the cheapest flights from Seattle to Watertown with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Watertown

Sunday is one of the best days to book for cheap flights from Seattle to Watertown: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Watertown

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Watertown in 2025. You can also book with separate airlines for your outbound and return journeys, from $199 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Watertown flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Watertown airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Watertown Intl. Airport (ART) cost?
Lock in a cheap one-way flight from $199 or cheap return flight from $384 from Seattle - Tacoma Intl. Airport (SEA) to Watertown Intl. Airport (ART) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Watertown Intl. Airport (ART)?
November is the most affordable month to fly from SEA to ART. Avoiding peak travel times is often the key to finding better deals on flights.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Watertown Intl. Airport (ART)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from SEA to ART. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Watertown Intl. Airport (ART)?
There aren't any daily direct flights departing from Seattle - Tacoma Intl. Airport (SEA) to Watertown Intl. Airport (ART). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from SEA to ART?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Watertown Intl. Airport (ART)?
Select a flight from Seattle - Tacoma Intl. Airport (SEA) to Watertown Intl. Airport (ART) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Watertown Intl. Airport (ART) last-minute?
Holding off until just before your departure to book a ticket from SEA to ART often results in higher prices. While you might find some last-minute offers, they aren't always guaranteed. Be flexible with your travel plans for a better chance of snagging a bargain.
Is it cheaper to book a SEA to ART flight and hotel package?
Compared with arranging hotels and flights separately, booking a SEA to ART flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place takes the hassle out of travel planning. Just pick your flights and select from our wide range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Watertown Intl. Airport (ART)?
If you booked your SEA to ART flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Explore a world of travel with Expedia

*Available to One Key members.