283 € Cheap Flights from Westchester County to Seattle / Tacoma International

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      Travellers and cabin class, 1 Adult, Economy

      Compare Westchester County to Seattle / Tacoma International flight deals

      Find the cheapest month or even day of the year to fly to Seattle / Tacoma International

      Book the best Seattle / Tacoma International fare with no extra fees

      Flight deals from Westchester County to Seattle / Tacoma International

      Looking for a cheap last-minute deal or the best return flight from Westchester County Airport to Seattle / Tacoma International Airport? If you want to travel next month, return fares start from 283 €. Find the lowest prices on one-way and return tickets right here.

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

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Westchester County to Seattle / Tacoma International flights are currently cheapest in September.

      Westchester County to Seattle / Tacoma International: Alternative routes

      Compare routes from Westchester County to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

      White Plains to Seattle: Flight information

      The things to know before you go.
      Cheapest flight found283 €
      Cheapest month to flySeptember

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

      The best price we found for a return flight from Westchester County to Seattle / Tacoma International is 283 €. 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 Westchester County to Seattle / Tacoma International. But we found flights with one or more stops from 283 €.
      As of August 2026, there are no flights flying from Westchester County to Seattle / Tacoma International.
      The cheapest month to fly from Westchester County to Seattle / Tacoma International is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Westchester County Airport to Seattle / Tacoma International Airport on Saturday, 12 September 2026.
      No airlines currently offer direct flights between Westchester County Airport and Seattle / Tacoma International 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 Seattle / Tacoma International 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 Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Delta offers the cheapest flight tickets to Seattle / Tacoma International.

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

      • Seattle is three hours behind White Plains and is in the UTC-8 timezone.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Get to the airport on time to catch your HPN to SEA flight.

      • Travelling during a peak time such as July? Public holidays and other popular periods can result in longer lines at check-in and security. Play things extra safe and get there up to four hours before an international flight and two hours before domestic departures.

      • We make it a breeze to book a flight with a stopover. To see all your options for tickets from Westchester County Airport to Seattle / Tacoma International Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to explore the city of your choice. Some great stopovers between HPN and SEA include:

        • Chicago O'Hare International Airport

        • Charlotte Douglas Airport

        • Detroit Wayne County Airport

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

      • Right now, 180 € is the lowest price we've found for a one-way Westchester County Airport to Seattle / Tacoma International Airport flight. The best price for a return ticket is 283 €. Keep in mind that fares may change due to availability at the time of booking.

      • Don't leave things to the last minute. You're more likely to get cheap tickets from HPN to SEA if you book ahead. Airlines often offer some fantastic early bird deals.

      • Getting cheap flights from Westchester County Airport to Seattle / Tacoma International Airport is more likely if you're flexible with your travel dates. Use the 'Whole month' tool to see the best prices across the month and bag a great deal.

      • You won't have to check back in every day to see if fares have gone down when you create a Price Alert. We'll update you the moment the price changes on cheap flights from HPN to SEA.

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

      Handy information about Westchester County Airport (HPN)

      • You'll find HPN at 240 Airport Road, Suite 202.

      • Of all flights departing from Westchester County Airport, 73% touch down on time at their destination.

      • To reach Westchester County Airport from central White Plains, it'll take about 10 minutes if you're going by car. This depends on traffic though. It's approximately 6 kilometres from the airport to the city centre.

      • Planning to catch public transport? You can expect a journey time of around 25 minutes.

      • Get your flight from Westchester County Airport to Seattle / Tacoma International Airport off to a stress-free start. Just a short ride from HPN, book a night at Sonesta White Plains Downtown and you'll be well-rested for the journey ahead.

      Arriving at Seattle / Tacoma International Airport (SEA)

      Getting from Seattle / Tacoma International Airport (SEA) to central Seattle

      • Seattle / Tacoma International Airport to the centre of Seattle has a drive time of around 25 minutes. It's approximately 23 kilometres away.

      • Getting there by public transport typically takes 35 minutes.

      When to fly to Seattle / Tacoma International Airport (SEA)

      • The quietest month for a flight from Westchester County Airport to Seattle / Tacoma International Airport is March, while July is the most popular. Pick the best time to visit Seattle based on whether you prefer a faster pace or a more relaxed vibe.

      • The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Lock in your flights from Westchester County Airport to Seattle / Tacoma International Airport in this month if you like this kind of weather.

      • Search for cheap tickets from HPN to SEA in February if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -1ºC (30ºF) and 11ºC (52ºF) on average.

      Explore more of the United States

      • You've visited Seattle, now it's time to explore other corners of the United States. Journey about 241 kilometres south to Portland to check off its leading attractions. From Portland Japanese Garden to Peninsula Park Rose Garden and Beyond Van Gogh Portland, you'll have a packed itinerary ahead.

      • Around 370 kilometres east of Seattle, Spokane is another essential stop in the United States. Experience this destination's highlights firsthand at Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

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