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Cheap Flights from Seattle (SEA) to White Plains (HPN)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Seattle / Tacoma International to Westchester County flight deals

      Find the cheapest month or even day of the year to fly to Westchester County

      Book the best Westchester County fare with no extra fees

      Flight deals from Seattle / Tacoma International to Westchester County

      Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International Airport to Westchester County Airport? If you want to travel next month, return fares start from $606. Find the lowest prices on one-way and return tickets right here.
      White Plains.$606 per passenger.Departing Wed, 14 Oct, returning Tue, 20 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Wed, 14 Oct, arriving in Westchester County.Inbound indirect flight with Delta, departs from Westchester County on Tue, 20 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $606, select.
      White Plains.$627 per passenger.Departing Sat, 26 Sep, returning Wed, 30 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Sat, 26 Sep, arriving in Westchester County.Inbound indirect flight with Delta, departs from Westchester County on Wed, 30 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $627, select.
      White Plains.$832 per passenger.Departing Mon, 28 Sep, returning Fri, 2 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Mon, 28 Sep, arriving in Westchester County.Inbound indirect flight with Delta, departs from Westchester County on Fri, 2 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $832, select.
      White Plains.$1,244 per passenger.Departing Wed, 23 Dec, returning Wed, 6 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Wed, 23 Dec, arriving in Westchester County.Inbound indirect flight with Delta, departs from Westchester County on Wed, 6 Jan, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,244, select.
      White Plains.$1,366 per passenger.Departing Sun, 20 Dec, returning Sun, 27 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Sun, 20 Dec, arriving in Westchester County.Inbound indirect flight with Delta, departs from Westchester County on Sun, 27 Dec, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $1,366, select.
      White Plains.$2,712 per passenger.Departing Fri, 20 Nov, returning Sun, 29 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Seattle / Tacoma International on Fri, 20 Nov, arriving in Westchester County.Inbound indirect flight with Delta, departs from Westchester County on Sun, 29 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $2,712, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Seattle / Tacoma International to Westchester County found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from Seattle / Tacoma International to Westchester County

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Westchester County flights are currently cheapest in October.
      Sep
      from $627
      Oct
      from $606
      Nov
      from $2,713
      Dec
      from $1,366
      Jan
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      Feb
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      Mar
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      Apr
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      May
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      Jun
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      Jul
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      Aug
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      Seattle to White Plains: Flight information

      The things to know before you go.
      Cheapest flight found$606
      Cheapest month to flyOctober

      Finding cheap flights from Seattle / Tacoma International to Westchester County: Frequently asked questions

      The best price we found for a return flight from Seattle / Tacoma International to Westchester County is $606. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Seattle / Tacoma International to Westchester County. But we found flights with one or more stops from $606.
      As of September 2026, there are no flights flying from Seattle / Tacoma International to Westchester County.
      The cheapest month to fly from Seattle / Tacoma International to Westchester County is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Westchester County Airport on Wednesday, 14 October 2026.
      No airlines currently offer direct flights between Seattle / Tacoma International Airport and Westchester County Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Westchester County but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to White Plains is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Delta offers the cheapest flight tickets to Westchester County.

      Travelling from Seattle / Tacoma International Airport (SEA) to Westchester County Airport (HPN): what you need to know

      • White Plains is three hours ahead of Seattle and follows the UTC-5 timezone.

      • Get to the airport on time so you don't miss your SEA to HPN flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

      • Flying during a peak month like July? School holidays and other popular seasons can lead to longer lines and delays at check-in and security. Play it safe and get there up to four hours ahead of international flights and two hours before a domestic departure.

      • Consider adding a stopover when booking your ticket from Seattle / Tacoma International Airport to Westchester County Airport. Just uncheck 'Direct flights only' to break up your journey, or perhaps see a new city along the way. Check out these options between SEA and HPN:

        • Chicago O'Hare International Airport

        • Atlanta Hartsfield-Jackson Airport

        • Detroit Wayne County Airport

      How to find the cheapest flights from Seattle / Tacoma International Airport (SEA) to Westchester County Airport (HPN)

      • The lowest price we've found for a one-way Seattle / Tacoma International Airport to Westchester County Airport flight is $339. A round-trip plane ticket right now is $606. Depending on the availability when you book, these fares could change.

      • Don't wait until the last moment. You're more likely to find cheap tickets from SEA to HPN if you book ahead. Airlines often have some fantastic early bird discounts.

      • If you're willing to be flexible with your trip dates, try using the 'Whole month' search function. It'll show you the lowest price in each month when searching for a flight from Seattle / Tacoma International Airport to Westchester County Airport.

      • You won't have to check every day to see if fares have gone down when you set up a Price Alert. We'll notify you as soon as there's a new deal on cheap flights from SEA to HPN.

      • Choose your preferred arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Seattle / Tacoma International Airport to Westchester County Airport.

      Handy information about Seattle / Tacoma International Airport (SEA)

      • Seattle / Tacoma International Airport scores high marks for its on-time performance. 80% of flights that take off from SEA reach their destination without delay.

      • Seattle / Tacoma International Airport is around 23 kilometres from central Seattle. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 25 minutes or so to get there, depending on the traffic.

      • The journey when using public transport typically takes 35 minutes.

      • Taking an early flight from Seattle / Tacoma International Airport to Westchester County Airport? Avoid the hassle of rushing to the terminal (and get some extra shut-eye) by choosing one of these stays near SEA:

      Arriving at Westchester County Airport (HPN)

      • Consider checking in to Sonesta White Plains Downtown after touching down from your Seattle / Tacoma International Airport to Westchester County Airport flight. It's only a short drive from HPN and a comfy option if you're eager to relax as soon as possible.

      • Grab a Westchester County Airport rental car and discover White Plains and beyond with your own set of wheels. Dollar, Thrifty and Hertz are top outlets to choose from here.

      • Reserving your vehicle from Westchester County Airport around one week in advance can help you get the lowest rate.

      Getting from Westchester County Airport (HPN) to central White Plains

      • The address for HPN is 240 Airport Road, Suite 202.

      • Westchester County Airport is approximately 6 kilometres from the centre of White Plains. The drive time takes around 10 minutes.

      • Travelling on public transport takes around 25 minutes.

      When to fly to Westchester County Airport (HPN)

      • The quietest month for a flight from Seattle / Tacoma International Airport to Westchester County Airport is March, while July is the busiest. Choose the ideal time to go to White Plains based on whether you prefer a bustling atmosphere or a more laid-back vibe.

      • The warmest month in White Plains is July, with temperatures ranging between 17ºC (63ºF) and 31ºC (88ºF). Lock in your flights from Seattle / Tacoma International Airport to Westchester County Airport in this month if you like this kind of weather.

      • January sees average temperatures of between -7ºC (19ºF) and 7ºC (45ºF). Look for cheap tickets from SEA to HPN around that time if you want to travel when it's cooler.

      Explore more of the United States

      • White Plains has its own special appeal, but there are so many other parts of the United States just waiting to be explored. Around 56 kilometres south-west of White Plains, a visit to New York will keep your itinerary packed. Start with popular sights like Central Park, Statue of Liberty and Metropolitan Museum of Art.

      • Philadelphia is another well-known destination in the United States and is around 177 kilometres south-west of White Plains. No journey is complete without visiting Independence Hall, Liberty Bell and Philadelphia Museum of Art.

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      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.