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 44% 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.

What is the cheapest airline that flies from Watertown to Seattle/Tacoma Intl?

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

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 December 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.

$324 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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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:28 pm - 10:18 pm

ART

SEA

8h 50m1 stop

6:44 am - 10:55 pm

SEA

ART

13h 11m2 stops

$324American Airlines

mié., mar. 4 - mié., mar. 18

6:00 am - 6:53 pm

ART

SEA

15h 53m2 stops

6:44 am - 10:55 pm

SEA

ART

13h 11m2 stops

$329American Airlines

mié., mar. 4 - mié., mar. 18

4:28 pm - 10:18 pm

ART

SEA

8h 50m1 stop

12:59 am - 4:03 pm

SEA

ART

12h 04m2 stops

$429American Airlines

sáb., feb. 14 - jue., feb. 19

6:00 am - 7:34 pm

ART

SEA

16h 34m2 stops

7:21 am - 10:57 pm

SEA

ART

12h 36m2 stops

$518American Airlines

sáb., feb. 14 - vie., feb. 20

6:00 am - 10:18 pm

ART

SEA

19h 18m1 stop

11:18 pm - 4:03 pm

SEA

ART

13h 45m1 stop

$570American Airlines

sáb., feb. 14 - vie., feb. 20

6:00 am - 10:18 pm

ART

SEA

19h 18m1 stop

10:57 pm - 10:55 pm

SEA

ART

20h 58m1 stop

$590American Airlines

mié., mar. 4 - mié., mar. 18

6:00 am - 10:18 pm

ART

SEA

19h 18m1 stop

11:18 pm - 4:03 pm

SEA

ART

13h 45m1 stop

$630American Airlines

sáb., feb. 14 - vie., feb. 20

7:00 am - 7:18 pm

ART

SEA

15h 18m2 stops

6:12 am - 6:14 pm

SEA

ART

9h 02m1 stop

$980American Airlines

dom., ene. 11 - jue., ene. 15

7:00 am - 7:18 pm

ART

SEA

15h 18m2 stops

7:00 am - 9:23 pm

SEA

ART

11h 23m2 stops

$985American Airlines

dom., ene. 11 - jue., ene. 15

7:00 am - 10:07 pm

ART

SEA

18h 07m1 stop

6:12 am - 6:14 pm

SEA

ART

9h 02m1 stop

$1,186American Airlines

dom., ene. 11 - jue., ene. 15

American Airlines flights from Watertown, New York to Seattle

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

American Airlines

Mar 4

ART4:28 pmWatertown

8h 50m

1 stop

SEA10:18 pmSeattle/Tacoma Intl

Mar 18

SEA6:44 amSeattle/Tacoma Intl

13h 11m

2 stops

ART10:55 pmWatertown

$324

Find similar

American Airlines

Mar 4

ART6:00 amWatertown

15h 53m

2 stops

SEA6:53 pmSeattle/Tacoma Intl

Mar 18

SEA6:44 amSeattle/Tacoma Intl

13h 11m

2 stops

ART10:55 pmWatertown

$329

Find similar

American Airlines

Jan 9

ART7:00 amWatertown

15h 22m

2 stops

SEA7:22 pmSeattle/Tacoma Intl

Jan 13

SEA6:12 amSeattle/Tacoma Intl

9h 02m

1 stop

ART6:14 pmWatertown

$384

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

mié. 3/4

4:28 pm-10:18 pm

1 stop8h 50m

Seattle/Tacoma Intl

mié. 3/18

6:44 am-10:55 pm

2 stops13h 11m

$324

WatertownSeattle

ART - SEA

ARTSEA

Watertown

mié. 3/4

6:00 am-6:53 pm

2 stops15h 53m

Seattle/Tacoma Intl

mié. 3/18

6:44 am-10:55 pm

2 stops13h 11m

$329

WatertownSeattle

ART - SEA

ARTSEA

Watertown

sáb. 2/14

4:28 pm-10:18 pm

1 stop8h 50m

Seattle/Tacoma Intl

jue. 2/19

12:59 am-4:03 pm

2 stops12h 04m

$429

WatertownSeattle

ART - SEA

ARTSEA

Watertown

sáb. 2/14

6:00 am-7:34 pm

2 stops16h 34m

Seattle/Tacoma Intl

vie. 2/20

7:21 am-10:57 pm

2 stops12h 36m

$518

WatertownSeattle

ART - SEA

ARTSEA

Watertown

sáb. 2/14

6:00 am-10:18 pm

1 stop19h 18m

Seattle/Tacoma Intl

vie. 2/20

11:18 pm-4:03 pm

1 stop13h 45m

$570

WatertownSeattle

ART - SEA

ARTSEA

Watertown

mié. 3/4

6:00 am-10:18 pm

1 stop19h 18m

Seattle/Tacoma Intl

mié. 3/18

10:57 pm-10:55 pm

1 stop20h 58m

$590

WatertownSeattle

ART - SEA

ARTSEA

Watertown

sáb. 2/14

6:00 am-10:18 pm

1 stop19h 18m

Seattle/Tacoma Intl

vie. 2/20

11:18 pm-4:03 pm

1 stop13h 45m

$630

WatertownSeattle

ART - SEA

ARTSEA

Watertown

dom. 1/11

7:00 am-7:18 pm

2 stops15h 18m

Seattle/Tacoma Intl

jue. 1/15

6:12 am-6:14 pm

1 stop9h 02m

$980

WatertownSeattle

ART - SEA

ARTSEA

Watertown

dom. 1/11

7:00 am-7:18 pm

2 stops15h 18m

Seattle/Tacoma Intl

jue. 1/15

7:00 am-9:23 pm

2 stops11h 23m

$985

WatertownSeattle

ART - SEA

ARTSEA

Watertown

dom. 1/11

7:00 am-10:07 pm

1 stop18h 07m

Seattle/Tacoma Intl

jue. 1/15

6:12 am-6:14 pm

1 stop9h 02m

$1,186

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted 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.

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

Fastest flight time	8h 50m
Direct flights	None

The fastest flight from Watertown, New York to Seattle takes 8h 50m

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 50m.
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 December 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 11,072 reviews		Search American Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Federal Way

Cle Elum

Lakewood

Fife

Centralia

Westport

Kirkland

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.