Which airports can I use when flying from Watertown to Seattle?

Flights from Watertown to Seattle usually depart from Watertown (ART) and arrive at Seattle/Tacoma Intl (SEA).

What cabin classes can I book on flights from Watertown to Seattle?

Only Economy Class is available on flights from Watertown to Seattle.

Which airports do connecting flights from Watertown to Seattle pass through?

Most connecting flights from Watertown to Seattle pass through Philadelphia (PHL), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Can I save money by using flexible dates for flights from Watertown to Seattle?

Yes. Being flexible with your travel dates can save you up to 51% on the Watertown to Seattle route. Friday is the cheapest departure day at $435 round-trip on average, while Monday is the most expensive at $885, a difference of $450. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Seattle?

Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

Do I need a passport to fly from Watertown to Seattle?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from Watertown to Seattle changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $556 to $1,201. That means the highest observed fare was about 2x higher than the lowest one.

How are flight prices from Watertown to Seattle looking right now?

One-way fares from Watertown to Seattle are currently higher than usual. Average one-way flight prices are about $576, which is 6% above the typical average for this route.

What is the time difference between Watertown and Seattle?

Seattle is 3 hours behind Watertown (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include: • Fox • Europcar • Thrifty • Budget • Dollar

How much should I expect to pay for a Watertown to Seattle flight?

Round-trip flights from Watertown to Seattle range from $495 to $811, with an average of $550 over the past 12 months. Anything below $495 counts as a good deal.

What is the cheapest airline to fly from Watertown to Seattle?

American Airlines ($556) and Alaska Airlines ($894) are the cheapest airlines to fly round-trip from Watertown to Seattle according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from Watertown to Seattle?

Flights via Philadelphia (PHL) offer the most affordable fares, with an average round-trip price of $580. Based on KAYAK data over the past 3 months.

When flying from Watertown to Seattle which airport offers the shortest layover?

Philadelphia (PHL) had the shortest average connection time for Watertown to Seattle layovers at 359 minutes over the past 3 months.

$513 CHEAP FLIGHTS from Watertown to Seattle (ART - SEA)

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Cheapest round-trip

$556

Typical prices: $495-$811

American Airlines

Tue 10/16Sat 10/20

ART - SEA • 1 stop

Cheapest one-way

$513

Typical prices: $179-$574

American Airlines

Tue 10/16

ART - SEA • 1 stop

When to travel

November

Cheapest • 34% price drop

September

Most popular

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Flight Deals

Cheap Flights from Watertown to Seattle (ART-SEA)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Watertown to Seattle

Fri, Oct 16 - Tue, Oct 20

5:25 pm - 10:59 pmART Watertown-SEA Seattle/Tacoma Intl

8h 34m1 stop Philadelphia

5:00 am - 10:27 pmSEA Seattle/Tacoma Intl-ART Watertown

14h 27m2 stops Dallas/Fort Worth Philadelphia

$556American Airlines

Fri, Sep 25 - Tue, Sep 29

4:18 pm - 10:57 pmART Watertown-SEA Seattle/Tacoma Intl

9h 39m1 stop Philadelphia

11:57 pm - 3:59 pmSEA Seattle/Tacoma Intl-ART Watertown

13h 02m2 stops Chicago O'Hare Intl Philadelphia

$596American Airlines

Fri, Oct 16 - Sat, Oct 17

5:25 pm - 10:59 pmART Watertown-SEA Seattle/Tacoma Intl

8h 34m1 stop Philadelphia

12:25 am - 5:00 pmSEA Seattle/Tacoma Intl-ART Watertown

13h 35m2 stops Dallas/Fort Worth Philadelphia

$611American Airlines

Thu, Oct 1 - Fri, Oct 9

4:18 pm - 10:57 pmART Watertown-SEA Seattle/Tacoma Intl

9h 39m1 stop Philadelphia

12:25 am - 5:51 pmSEA Seattle/Tacoma Intl-ART Watertown

14h 26m2 stops Dallas/Fort Worth Philadelphia

$616American Airlines

Fri, Oct 16 - Tue, Oct 20

6:00 am - 4:48 pmART Watertown-SEA Seattle/Tacoma Intl

13h 48m2 stops Philadelphia Dallas/Fort Worth

5:00 am - 10:27 pmSEA Seattle/Tacoma Intl-ART Watertown

14h 27m2 stops Dallas/Fort Worth Philadelphia

$798American Airlines

Fri, Sep 25 - Tue, Sep 29

6:00 am - 5:34 pmART Watertown-SEA Seattle/Tacoma Intl

14h 34m2 stops Philadelphia Phoenix Sky Harbor Intl

11:57 pm - 3:59 pmSEA Seattle/Tacoma Intl-ART Watertown

13h 02m2 stops Chicago O'Hare Intl Philadelphia

$798American Airlines

Fri, Oct 16 - Tue, Oct 20

5:25 pm - 12:09 pmART Watertown-SEA Seattle/Tacoma Intl

21h 44m1 stop Philadelphia

10:48 pm - 5:51 pmSEA Seattle/Tacoma Intl-ART Watertown

16h 03m1 stop Philadelphia

$827American Airlines

Fri, Oct 16 - Sat, Oct 17

6:00 am - 3:43 pmART Watertown-SEA Seattle/Tacoma Intl

12h 43m2 stops Philadelphia Chicago O'Hare Intl

12:25 am - 5:00 pmSEA Seattle/Tacoma Intl-ART Watertown

13h 35m2 stops Dallas/Fort Worth Philadelphia

$853American Airlines

Fri, Oct 16 - Sun, Oct 18

5:25 pm - 12:09 pmART Watertown-SEA Seattle/Tacoma Intl

21h 44m1 stop Philadelphia

8:24 am - 10:27 pmSEA Seattle/Tacoma Intl-ART Watertown

11h 03m1 stop Philadelphia

$865American Airlines

Thu, Oct 1 - Sat, Oct 10

4:18 pm - 9:51 pmART Watertown-SEA Seattle/Tacoma Intl

8h 33m1 stop Philadelphia

9:29 pm - 10:27 pmSEA Seattle/Tacoma Intl-ART Watertown

21h 58m1 stop Philadelphia

$894Alaska Airlines

Booking Insights

Price, demand and travel trends for Watertown to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Watertown to Seattle with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Watertown to Seattle?

Round-trip flights from Watertown to Seattle start at $556. Prices are typical for this route right now, with typical round-trip fares ranging from $495 to $811. The lowest price found in the past 5 days was $556 on American Airlines.

Find deals

Low season	February
High season	September
Cheapest flight	$513

Most popular time to fly with an average 47% increase in price.

Flight from Watertown to Seattle

When to book flights from Watertown to Seattle

Are your dates flexible? Find out the best times to travel from Watertown to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Watertown to Seattle?
Flights from Watertown to Seattle usually depart from Watertown (ART) and arrive at Seattle/Tacoma Intl (SEA).
What cabin classes can I book on flights from Watertown to Seattle?
Only Economy Class is available on flights from Watertown to Seattle.
Which airports do connecting flights from Watertown to Seattle pass through?
Most connecting flights from Watertown to Seattle pass through Philadelphia (PHL), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from Watertown to Seattle?
Yes. Being flexible with your travel dates can save you up to 51% on the Watertown to Seattle route. Friday is the cheapest departure day at $435 round-trip on average, while Monday is the most expensive at $885, a difference of $450. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What popular places can I visit in Seattle?
Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.
Do I need a passport to fly from Watertown to Seattle?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Watertown to Seattle changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $556 to $1,201. That means the highest observed fare was about 2x higher than the lowest one.
How are flight prices from Watertown to Seattle looking right now?
One-way fares from Watertown to Seattle are currently higher than usual. Average one-way flight prices are about $576, which is 6% above the typical average for this route.
What is the time difference between Watertown and Seattle?
Seattle is 3 hours behind Watertown (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?
Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
• Fox
• Europcar
• Thrifty
• Budget
• Dollar
How much should I expect to pay for a Watertown to Seattle flight?
Round-trip flights from Watertown to Seattle range from $495 to $811, with an average of $550 over the past 12 months. Anything below $495 counts as a good deal.

If your dates can be flexible, aim for a Friday departure instead of Monday. On this route, Friday flights average $435 - about $450 less than Monday (51% savings) based on the last 12 months.
If you can choose when to travel, plan your Watertown to Seattle trip for November. Fares historically average $363 round-trip in that month - typically $1,143 less than the most expensive month, which is December (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
- Seattle Airport Marriott
- Coast Gateway Hotel
- Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

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ART - SEA

$513 Find Cheap Flights from Watertown to Seattle - Compare and Save

Everything you should know

Cheap Flights from Watertown to Seattle (ART-SEA)

Recent round-trip flight deals from Watertown to Seattle

Recent one-way flight deals from Watertown to Seattle

Recent last minute flight deals from Watertown to Seattle

Price, demand and travel trends for Watertown to Seattle flights

How much is a round-trip flight from Watertown to Seattle?

What is the cheapest airline to fly from Watertown to Seattle?

What is the cheapest layover airport when flying from Watertown to Seattle?

When flying from Watertown to Seattle which airport offers the shortest layover?

Key details for Watertown to Seattle flights

Low season

High season

Cheapest flight

When to book flights from Watertown to Seattle

Your Watertown to Seattle flight questions, answered

Your guide to booking Watertown to Seattle flights

More options for your flight from Watertown to Seattle

Complete your trip to Seattle with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Watertown to Seattle

Find direct flights to and from Watertown and Seattle

Flights from domestic origins to Seattle

Flights to other popular destinations

Find deals for your return flight