What airlines fly to Seattle?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Seattle from Watertown, New York according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Watertown Airport to Seattle/Tacoma Intl Airport are updated daily.

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

The number of operators available for flights from Watertown Airport to Seattle/Tacoma Intl Airport is 1 as of November 2025.

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

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The necessary travel and health documents for your Seattle/Tacoma Intl 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.

$304 Cheap Flights from Watertown to Seattle in 2025/26

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Find the cheapest flights from Watertown, New York to Seattle

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Cheap round-trip flights

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6:24 am - 11:54 amART-SEA

8h 30m1 stop

11:33 pm - 12:00 pmSEA-ART

9h 27m1 stop

$398American Airlines

Find Deal

Wed, Apr 22 - Sat, Apr 25

6:24 am - 7:05 pmART-SEA

15h 41m2 stops

11:33 pm - 12:00 pmSEA-ART

9h 27m1 stop

$404American Airlines

Find Deal

Wed, Apr 22 - Sat, Apr 25

1:39 pm - 8:46 pmART-SEA

10h 07m2 stops

7:00 am - 10:29 pmSEA-ART

12h 29m2 stops

$409American Airlines

Find Deal

Wed, Apr 22 - Sat, Apr 25

4:37 pm - 9:53 pmART-SEA

8h 16m1 stop

7:46 am - 10:20 pmSEA-ART

11h 34m2 stops

$446American Airlines

Find Deal

Wed, Mar 11 - Wed, Mar 18

6:00 am - 11:32 pmART-SEA

20h 32m2 stops

1:44 pm - 5:41 pmSEA-ART

24h 57m2 stops

$535American Airlines

Find Deal

Fri, Feb 27 - Tue, Mar 3

6:22 am - 6:49 pmART-SEA

15h 27m2 stops

1:33 am - 2:55 pmSEA-ART

10h 22m2 stops

$545American Airlines

Find Deal

Wed, Mar 11 - Tue, Mar 17

6:00 am - 7:32 pmART-SEA

16h 32m2 stops

12:59 am - 5:41 pmSEA-ART

13h 42m2 stops

$598American Airlines

Find Deal

Fri, Feb 27 - Mon, Mar 2

2:33 pm - 10:10 pmART-SEA

10h 37m1 stop

12:59 am - 3:01 pmSEA-ART

11h 02m2 stops

$618American Airlines

Find Deal

Sun, Nov 23 - Wed, Nov 26

2:33 pm - 12:58 amART-SEA

13h 25m2 stops

12:59 am - 3:01 pmSEA-ART

11h 02m2 stops

$623American Airlines

Find Deal

Sun, Nov 23 - Wed, Nov 26

6:00 am - 7:32 pmART-SEA

16h 32m2 stops

7:00 am - 10:56 pmSEA-ART

12h 56m2 stops

$645American Airlines

Find Deal

Sat, Feb 14 - Fri, Feb 20

American Airlines flights from Watertown, New York to Seattle

Our best American Airlines deals on Watertown, New York to Seattle flight tickets

American Airlines

Apr 22

ART6:24 amWatertown

8h 30m

1 stop

SEA11:54 amSeattle/Tacoma Intl

Apr 25

SEA11:33 pmSeattle/Tacoma Intl

9h 27m

1 stop

ART12:00 pmWatertown

$398

Find similar

American Airlines

Apr 22

ART6:24 amWatertown

15h 41m

2 stops

SEA7:05 pmSeattle/Tacoma Intl

Apr 25

SEA11:33 pmSeattle/Tacoma Intl

9h 27m

1 stop

ART12:00 pmWatertown

$404

Find similar

American Airlines

Apr 22

ART1:39 pmWatertown

10h 07m

2 stops

SEA8:46 pmSeattle/Tacoma Intl

Apr 25

SEA7:00 amSeattle/Tacoma Intl

12h 29m

2 stops

ART10:29 pmWatertown

$409

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Watertown, New York to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

WatertownSeattle

ART - SEA

ARTSEA

Watertown

Wed 4/22

6:24 am-11:54 am

1 stop8h 30m

Seattle/Tacoma Intl

Sat 4/25

11:33 pm-12:00 pm

1 stop9h 27m

$398

WatertownSeattle

ART - SEA

ARTSEA

Watertown

Wed 4/22

6:24 am-7:05 pm

2 stops15h 41m

Seattle/Tacoma Intl

Sat 4/25

11:33 pm-12:00 pm

1 stop9h 27m

$404

WatertownSeattle

ART - SEA

ARTSEA

Watertown

Wed 4/22

1:39 pm-8:46 pm

2 stops10h 07m

Seattle/Tacoma Intl

Sat 4/25

7:00 am-10:29 pm

2 stops12h 29m

$409

WatertownSeattle

ART - SEA

ARTSEA

Watertown

Wed 3/11

4:37 pm-9:53 pm

1 stop8h 16m

Seattle/Tacoma Intl

Wed 3/18

7:46 am-10:20 pm

2 stops11h 34m

$446

WatertownSeattle

ART - SEA

ARTSEA

Watertown

Fri 2/27

6:00 am-11:32 pm

2 stops20h 32m

Seattle/Tacoma Intl

Tue 3/3

1:44 pm-5:41 pm

2 stops24h 57m

$535

WatertownSeattle

ART - SEA

ARTSEA

Watertown

Wed 3/11

6:22 am-6:49 pm

2 stops15h 27m

Seattle/Tacoma Intl

Tue 3/17

1:33 am-2:55 pm

2 stops10h 22m

$545

WatertownSeattle

ART - SEA

ARTSEA

Watertown

Fri 2/27

6:00 am-7:32 pm

2 stops16h 32m

Seattle/Tacoma Intl

Mon 3/2

12:59 am-5:41 pm

2 stops13h 42m

$598

WatertownSeattle

ART - SEA

ARTSEA

Watertown

Sun 11/23

2:33 pm-10:10 pm

1 stop10h 37m

Seattle/Tacoma Intl

Wed 11/26

12:59 am-3:01 pm

2 stops11h 02m

$618

WatertownSeattle

ART - SEA

ARTSEA

Watertown

Sun 11/23

2:33 pm-12:58 am

2 stops13h 25m

Seattle/Tacoma Intl

Wed 11/26

12:59 am-3:01 pm

2 stops11h 02m

$623

WatertownSeattle

ART - SEA

ARTSEA

Watertown

Sat 2/14

6:00 am-7:32 pm

2 stops16h 32m

Seattle/Tacoma Intl

Fri 2/20

7:00 am-10:56 pm

2 stops12h 56m

$645

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

Prices

Airlines

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Watertown, New York is on a Thursday. momondo users have found tickets for Thursday departures for as low as $755. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Watertown, New York because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $805.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Watertown, New York in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $595 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $676. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Watertown, New York to Seattle

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

Estimated round-trip price

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

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

Direct flights	None

There are no direct flights from Watertown, New York to Seattle. There are no popular flight routes from Watertown, New York to Seattle.

Search flight deals

How far is Watertown to Seattle/Tacoma Intl by plane?
Watertown and Seattle/Tacoma Intl are 2215.6 mi apart from one another. A reasonable flight in good conditions will take 8h 16m.
When did momondo last update prices for flights from Watertown Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Watertown Airport to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Watertown Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Watertown Airport to Seattle/Tacoma Intl Airport is 1 as of November 2025.
How old do you have to be to fly from Watertown Airport to Seattle/Tacoma Intl 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 Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl 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 Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Watertown, New York to Seattle is American Airlines (100% of total bookings).

Best airlines flying from Watertown, New York to Seattle

Compare and see reviews for airlines that fly from Watertown, New York to Seattle with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $303	Free Cancellation	Rating 7.2 11,045 reviews		Search American Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Redmond

Tukwila

Lakewood

Federal Way

Fife

Cle Elum

Centralia

Kirkland

Westport

Shoreline

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Watertown to Seattle. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Seattle 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 Seattle?

momondo helps you find the best flight between Watertown and Seattle 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 Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Watertown and alert you when they change.