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$169+ Cheap flights from Westchester County to Seattle (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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
HPN — SEA
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Westchester County to Seattle

Keep the following information in mind while searching for Westchester County to Seattle flight deals. Data was last updated June 18, 2025.

Round-trip from

$327
(American Airlines)

One-way from

$169
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$483
From Westchester County to Seattle/Tacoma Intl
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One-way flight from Westchester County 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 Westchester County to Seattle

Cheapest flights from Westchester County to Seattle
Explore the most affordable flight options available from Westchester County to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This American Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:00 pmHPN - SEA
1 stop11h 09mAmerican Airlines
Tue 9/306:42 amSEA - HPN
1 stop10h 18mAmerican Airlines
Deal found 6/17$327
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/912:37 pmHPN - SEA
1 stop10h 34mDelta
Thu 9/116:00 amSEA - HPN
1 stop7h 34mDelta
Deal found 6/17$418
This Alaska Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/124:30 pmHPN - SEA
1 stop9h 54mAlaska Airlines
Thu 8/218:00 amSEA - HPN
2 stops12h 25mAlaska Airlines
Deal found 6/17$442
This Mytrip deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/41:23 pmHPN - SEA
2 stops12h 24mMultiple Airlines
Thu 7/105:30 pmSEA - HPN
3 stops24h 29mMultiple Airlines
Deal found 6/16$659

Cheapflights Fare Finder

Customize your flight search to find flights from Westchester County to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
Use the filters below to find and compare flights from Westchester County to Seattle that are best for you.

Fly from

Westchester County

Fly to

Seattle

Route

Depart

Return

Price

White PlainsSeattle

HPN - SEA

HPNSEA

White Plains Westchester County

Fri 9/26

12:00 pm-8:09 pm

1 stop11h 09m

Seattle/Tacoma Intl

Tue 9/30

6:42 am-8:00 pm

1 stop10h 18m

$327

White PlainsSeattle

HPN - SEA

HPNSEA

White Plains Westchester County

Tue 9/9

12:37 pm-8:11 pm

1 stop10h 34m

Seattle/Tacoma Intl

Thu 9/11

6:00 am-4:34 pm

1 stop7h 34m

$418

White PlainsSeattle

HPN - SEA

HPNSEA

White Plains Westchester County

Tue 8/12

4:30 pm-11:24 pm

1 stop9h 54m

Seattle/Tacoma Intl

Thu 8/21

8:00 am-11:25 pm

2 stops12h 25m

$442

White PlainsSeattle

HPN - SEA

HPNSEA

White Plains Westchester County

Fri 7/4

1:23 pm-10:47 pm

2 stops12h 24m

Seattle/Tacoma Intl

Thu 7/10

5:30 pm-8:59 pm

3 stops24h 29m

$659

White PlainsSeattle

HPN - SEA

HPNSEA

White Plains Westchester County

Thu 9/4

12:00 pm-8:09 pm

1 stop11h 09m

$169

White PlainsSeattle

HPN - SEA

HPNSEA

White Plains Westchester County

Tue 7/22

3:03 pm-11:01 pm

1 stop10h 58m

$199

White PlainsSeattle

HPN - SEA

HPNSEA

White Plains Westchester County

Fri 7/18

4:30 pm-11:24 pm

1 stop9h 54m

$249

White PlainsSeattle

HPN - SEA

HPNSEA

White Plains Westchester County

Mon 7/21

1:23 pm-10:47 pm

2 stops12h 24m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Best time to book a flight from Westchester County to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Westchester County 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 Westchester County to Seattle

What is the cheapest month to book a flight from Westchester County to Seattle?

Currently, January is the cheapest month in which you can book a flight from Westchester County to Seattle (average of $238). Flying from Westchester County to Seattle in June is currently the most expensive (average of $390). 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.

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

Find hourly flight availability from Westchester County to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2025.

When flying from Westchester County to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

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.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated June 18, 2025.
See what other customers who have flown with Alaska Airlines, Delta and American Airlines from Westchester County to Seattle have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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

  • What airport do you fly into for flights to Seattle from Westchester County?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Westchester County to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • What are the cheapest airlines to fly from Westchester County to Seattle one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $169. However, be on the lookout for offers from Delta and Alaska Airlines, as they are both options that can get you from Westchester County to Seattle for a low price.

  • Can I find deals for flights from Westchester County to Seattle that include hotel bookings?

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

  • How can I find direct flights from Westchester County to Seattle?

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

  • Can I find deals for business class flights from Westchester County to Seattle?

    Yes. Cheapflights offers flight deals from Westchester County 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 Westchester County to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Westchester County to Seattle (average of $238). Flying from Westchester County to Seattle in June is currently the most expensive (average of $390). 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.

See more FAQs

Traveling to a place near Westchester County?

Book flights to Westchester County if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Lacey
Ocean Shores
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Cle Elum
Centralia
Kent
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Westchester County to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Westchester County to Seattle

Discover the top 3 airlines that operate flights from Westchester County to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$316Average$437FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$336Average$538FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$477Average$503FlexibilityNo cancel feeOn-time75%

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