In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

How far in advance should I book a flight from New Windsor to Seattle?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 37 days in advance, which can save you up to 62% on flights from New Windsor to Seattle compared to booking the week you need them. Waiting 37 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $481. For sooner than that we have options available in the next 3 days from $642.

What is the cheapest month to fly from New Windsor to Seattle?

September is one of the best times of the year to fly to Seattle from New Windsor. Prices for September average $419 per person but you can even find prices for as low as $168. The most expensive prices can be found in the month of December. Opting for a September flight can save you 35% on your journey compared to booking in December

What is the cheapest time of day to fly from SWF to SEA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Windsor to Seattle as you normally would.

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

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

How can I find direct flights from Stewart to Seattle?

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

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

Yes. Cheapflights offers flight deals from Stewart 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.

$215+ Flights from New Windsor to Seattle

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Cheap flight deals from Stewart to Seattle

Round-trip from	$842 (Mytrip)
One-way from	$215 (Mytrip)
Popular in	December
Cheapest in	September
Average price	$487

From New Windsor Stewart to Seattle/Tacoma Intl

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One-way flight from New Windsor Stewart to Seattle/Tacoma Intl

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Highest demand for flights based on searches. 4% potential increase in price ($22 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Stewart to Seattle

Cheapest flights from Stewart to Seattle
Explore the most affordable flight options available from Stewart to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

Fri 8/81:28 pmSWF - SEA

3 stops22h 54mMultiple Airlines

Fri 8/1511:59 pmSEA - SWF

2 stops15h 50mMultiple Airlines

Deal found 6/24

$840

Best flights from Stewart to Seattle
Discover carefully curated flight deals from Stewart to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2025.

Thu 8/216:50 pmSWF - SEA

3 stops25h 14mMultiple Airlines

Sat 8/236:34 pmSEA - SWF

2 stops21h 38mMultiple Airlines

Deal found 6/25

$842

Last-minute flights from Stewart to Seattle
Discover last-minute flight deals from Stewart to Seattle. Data last updated June 26, 2025 and is based on user searches.

Fri 7/251:28 pmSWF - SEA

3 stops29h 57mMultiple Airlines

Sun 7/275:30 pmSEA - SWF

3 stops16h 18mMultiple Airlines

Deal found 6/24

$865

One-way flights from Stewart to Seattle
Search for one-way flight options from Stewart to Seattle. Find affordable one-way fares based on user searches. Data last updated June 26, 2025.

Fri 7/257:56 pmSWF - SEA

3 stops29h 51mMultiple Airlines

Deal found 6/25

$215

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

New WindsorSeattle

SWF - SEA

SWFSEA

New Windsor Stewart

Fri 8/8

1:28 pm-9:22 am

3 stops22h 54m

Seattle/Tacoma Intl

Fri 8/15

11:59 pm-6:49 pm

2 stops15h 50m

$840

New WindsorSeattle

SWF - SEA

SWFSEA

New Windsor Stewart

Fri 7/25

7:56 pm-10:47 pm

3 stops29h 51m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Best time to book a flight from Stewart to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Stewart 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 New Windsor to Seattle

What is the cheapest month to book a flight from New Windsor to Seattle?

Currently, January is the cheapest month in which you can book a flight from New Windsor to Seattle (average of $238). Flying from New Windsor to Seattle in July is currently the most expensive (average of $391). 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.

Related info for your journey

Can I find deals for flights from Stewart to Seattle that include hotel bookings?
Yes. In addition to deals on Stewart to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Stewart to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stewart to Seattle.
Can I find deals for business class flights from Stewart to Seattle?
Yes. Cheapflights offers flight deals from Stewart 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 New Windsor to Seattle?
Currently, January is the cheapest month in which you can book a flight from New Windsor to Seattle (average of $238). Flying from New Windsor to Seattle in July is currently the most expensive (average of $391). 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.

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$215+ Cheap flights from New Windsor to Seattle (SWF - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Stewart to Seattle with Cheapflights

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3. Compare prices and book

Cheap flight deals from Stewart to Seattle

Round-trip from

One-way from

Popular in

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Find flight deals from Stewart to Seattle

Cheapest flights from Stewart to SeattleExplore the most affordable flight options available from Stewart to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

Explore the most affordable flight options available from Stewart to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Stewart to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Stewart with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from New Windsor to Seattle

What is the cheapest month to book a flight from New Windsor to Seattle?

Related info for your journey

Find useful and relevant information for your journey from Stewart to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How can I find direct flights from Stewart to Seattle?

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

What is the cheapest month to book a flight from New Windsor to Seattle?

Traveling to a place near New Windsor?

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Alternative routes for Stewart to Seattle

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Cheapest flights from Stewart to Seattle
Explore the most affordable flight options available from Stewart to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.