HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Westchester County

$109+ Cheap flights from Seattle (SEA) to Westchester County

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HPN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Westchester County with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Seattle to Westchester County

Keep the following information in mind while searching for Seattle to Westchester County flight deals. Data was last updated August 14, 2025.

Round-trip from

$217
(Delta)

One-way from

$109
(Delta)

Popular in

December

Cheapest in

January

Average price

$416
From Seattle/Tacoma Intl to Westchester County
Search Deals
One-way flight from Seattle/Tacoma Intl to Westchester County
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Seattle to Westchester County

Cheapest flights from Seattle to Westchester County
Explore the most affordable flight options available from Seattle to Westchester County. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Delta deal was found by Cheapflights users on 8/13. 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.
Sat 9/276:00 amSEA - HPN
1 stop6h 49mDelta
Tue 9/305:20 pmHPN - SEA
1 stop7h 46mDelta
Deal found 8/13$217
This Delta deal was found by Cheapflights users on 8/13. 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 9/239:45 pmSEA - HPN
1 stop9h 04mDelta
Sat 10/46:00 amHPN - SEA
1 stop11h 04mDelta
Deal found 8/13$247
This Delta deal was found by Cheapflights users on 8/13. 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.
Mon 9/2211:11 pmSEA - HPN
1 stop9h 48mDelta
Tue 9/304:29 pmHPN - SEA
1 stop10h 25mDelta
Deal found 8/13$248
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Wed 11/510:07 pmSEA - HPN
1 stop8h 22mAmerican Airlines
Mon 11/104:30 pmHPN - SEA
1 stop9h 48mAmerican Airlines
Deal found 8/12$252
This Delta deal was found by Cheapflights users on 8/13. 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.
Fri 9/2611:11 pmSEA - HPN
1 stop9h 48mDelta
Tue 9/304:29 pmHPN - SEA
1 stop10h 25mDelta
Deal found 8/13$277
This Delta deal was found by Cheapflights users on 8/13. 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 9/239:45 pmSEA - HPN
1 stop9h 04mDelta
Wed 10/110:29 amHPN - SEA
1 stop11h 22mDelta
Deal found 8/13$307
This Delta deal was found by Cheapflights users on 8/13. 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.
Mon 9/2211:11 pmSEA - HPN
1 stop9h 48mDelta
Mon 9/295:20 pmHPN - SEA
1 stop7h 46mDelta
Deal found 8/13$308
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Tue 9/2311:38 pmSEA - HPN
1 stop8h 07mAmerican Airlines
Thu 10/21:35 pmHPN - SEA
1 stop9h 19mAmerican Airlines
Deal found 8/13$317
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Tue 9/2311:38 pmSEA - HPN
1 stop8h 07mAmerican Airlines
Sat 9/276:30 amHPN - SEA
2 stops13h 59mAmerican Airlines
Deal found 8/13$322

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Westchester County 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 August 14, 2025.
Use the filters below to find and compare flights from Seattle to Westchester County that are best for you.

Fly from

Seattle

Fly to

Westchester County

Route

Depart

Return

Price

SeattleWhite Plains

SEA - HPN

SEAHPN

Seattle/Tacoma Intl

Sat 9/27

6:00 am-3:49 pm

1 stop6h 49m

White Plains Westchester County

Sat 10/4

4:29 pm-11:54 pm

1 stop10h 25m

$217

SeattleWhite Plains

SEA - HPN

SEAHPN

Seattle/Tacoma Intl

Sat 9/27

6:00 am-3:49 pm

1 stop6h 49m

White Plains Westchester County

Tue 9/30

5:20 pm-10:06 pm

1 stop7h 46m

$217

SeattleWhite Plains

SEA - HPN

SEAHPN

Seattle/Tacoma Intl

Tue 9/23

9:45 pm-9:49 am

1 stop9h 04m

White Plains Westchester County

Tue 9/30

5:20 pm-10:06 pm

1 stop7h 46m

$247

SeattleWhite Plains

SEA - HPN

SEAHPN

Seattle/Tacoma Intl

Wed 9/24

6:00 am-3:49 pm

1 stop6h 49m

White Plains Westchester County

Sat 10/4

6:00 am-2:04 pm

1 stop11h 04m

$247

SeattleWhite Plains

SEA - HPN

SEAHPN

Seattle/Tacoma Intl

Tue 9/23

9:45 pm-9:49 am

1 stop9h 04m

White Plains Westchester County

Sat 10/4

6:00 am-2:04 pm

1 stop11h 04m

$247

SeattleWhite Plains

SEA - HPN

SEAHPN

Seattle/Tacoma Intl

Tue 9/23

9:45 pm-9:49 am

1 stop9h 04m

White Plains Westchester County

Sat 9/27

5:20 pm-10:16 pm

1 stop7h 56m

$247

SeattleWhite Plains

SEA - HPN

SEAHPN

Seattle/Tacoma Intl

Wed 9/24

6:00 am-3:49 pm

1 stop6h 49m

White Plains Westchester County

Tue 9/30

5:20 pm-10:06 pm

1 stop7h 46m

$247

SeattleWhite Plains

SEA - HPN

SEAHPN

Seattle/Tacoma Intl

Mon 9/22

11:11 pm-11:59 am

1 stop9h 48m

White Plains Westchester County

Sat 10/4

6:00 am-2:04 pm

1 stop11h 04m

$248

SeattleWhite Plains

SEA - HPN

SEAHPN

Seattle/Tacoma Intl

Mon 9/22

11:11 pm-11:59 am

1 stop9h 48m

White Plains Westchester County

Tue 9/30

4:29 pm-11:54 pm

1 stop10h 25m

$248

SeattleWhite Plains

SEA - HPN

SEAHPN

Seattle/Tacoma Intl

Wed 11/5

10:07 pm-9:29 am

1 stop8h 22m

White Plains Westchester County

Mon 11/10

4:30 pm-11:18 pm

1 stop9h 48m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 19 results
1
2

Best time to book a flight from Seattle to Westchester County

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

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Westchester County (average of $276). Flying from Seattle to Westchester County in March is currently the most expensive (average of $339). 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 SEA to REU?

Find hourly flight availability from Seattle to Westchester County. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

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

Reviews of airlines servicing Westchester County

Get insights into the airlines that provide service to Westchester County. 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 Westchester County. Reviews last updated August 14, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and American Airlines from Seattle to Westchester County by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Westchester County. 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 from for flights from Seattle to Westchester County?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Westchester County.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Seattle to Westchester County (average of $276). Flying from Seattle to Westchester County in March is currently the most expensive (average of $339). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Westchester County

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to John F Kennedy Intl flights
Seattle to Newark flights
Seattle to LaGuardia flights
Portland to John F Kennedy Intl flights
Portland to Newark flights
Portland to LaGuardia flights
Seattle to Islip flights
Seattle to Buffalo flights
Seattle to Albany flights
Spokane to John F Kennedy Intl flights
Seattle to Rochester flights
Spokane to LaGuardia flights
Seattle to Syracuse flights
Spokane to Newark flights
Portland to Buffalo flights
Portland to Islip flights
Portland to Albany flights
Pasco to John F Kennedy Intl flights
Portland to Rochester flights
Pasco to Newark flights
Pasco to LaGuardia flights
Seattle to Stewart flights
Seattle to White Plains flights
Portland to Syracuse flights
Seattle to Ithaca flights
Portland to Ithaca flights
Portland to White Plains flights
Spokane to Rochester flights
Seattle to Elmira flights
Pullman to Newark flights
Spokane to Buffalo flights
Pullman to John F Kennedy Intl flights
Spokane to Syracuse flights
Bellingham to John F Kennedy Intl flights
Bellingham to Newark flights
Seattle to Binghamton flights
Yakima to John F Kennedy Intl flights
Spokane to Albany flights
Bellingham to LaGuardia flights
Yakima to Newark flights
Seattle to Watertown flights
Portland to Binghamton flights
Walla Walla to Newark flights
Spokane to White Plains flights
Pasco to Syracuse flights
Walla Walla to John F Kennedy Intl flights
Bellingham to Syracuse flights
Portland to Elmira flights

Top 3 airlines flying from Seattle to Westchester County

Discover the top 3 airlines that operate flights from Seattle to Westchester County. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$286Average$416FlexibilityNo cancel feeOn-time71%
DeltaCheapest$306Average$456FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$467Average$718FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.