$139 Cheap Delta flights Seattle (SEA) to White Plains (HPN)

View $139 flight on Wed, Oct 29, 2025Opens in a new window

$139 Cheap Delta flights Seattle (SEA) to White Plains (HPN)

Prices were available within the past 7 days and start at $139 for one-way flights and $247 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Nov 5 - Tue, Nov 18
SEA
Seattle
HPN
White Plains
$247 Roundtrip, found 12 hours ago
$247
Roundtrip
found 12 hours ago
Select Delta flight, departing Wed, Nov 5 from Seattle to White Plains, returning Tue, Nov 18, priced at $247 found 12 hours ago
Delta
Tue, Oct 21 - Tue, Oct 28
SEA
Seattle
HPN
White Plains
$250 Roundtrip, found 4 days ago
$250
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Oct 21 from Seattle to White Plains, returning Tue, Oct 28, priced at $250 found 4 days ago
Delta
Tue, Sep 9 - Tue, Sep 16
SEA
Seattle
HPN
White Plains
$251 Roundtrip, found 2 days ago
$251
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Sep 9 from Seattle to White Plains, returning Tue, Sep 16, priced at $251 found 2 days ago
Delta
Mon, Nov 10 - Tue, Nov 11
SEA
Seattle
HPN
White Plains
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 10 from Seattle to White Plains, returning Tue, Nov 11, priced at $278 found 1 day ago
Delta
Sat, Oct 18 - Sat, Nov 1
SEA
Seattle
HPN
White Plains
$279 Roundtrip, found 6 days ago
$279
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Oct 18 from Seattle to White Plains, returning Sat, Nov 1, priced at $279 found 6 days ago
Delta
Tue, Oct 7 - Fri, Oct 17
SEA
Seattle
HPN
White Plains
$286 Roundtrip, found 1 day ago
$286
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 7 from Seattle to White Plains, returning Fri, Oct 17, priced at $286 found 1 day ago
Flights from Seattle (SEA) to White Plains (HPN)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Westchester County
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways
Popular airline
Delta
Distance
2404 mi

Frequently asked questions

How much is a Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to Westchester County Airport (HPN)?
Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap Delta Air Lines return flights from $247 from SEA to HPN. Affordable one-way fares from $139 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SEA to HPN with Delta Air Lines?
Browse for one-way or return flights to White Plains in February or March. You could find lower fares with Delta Air Lines during these off-peak travel months.
What is the cheapest time to book flights from Seattle - Tacoma Intl. Airport (SEA) to Westchester County Airport (HPN) with Delta Air Lines?
Search for affordable Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to Westchester County Airport (HPN) one to three months prior to your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the ideal day to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Westchester County Airport (HPN)?
Use our "Nonstop" filter when searching for direct Delta Air Lines flights from SEA to HPN. You'll also be able to compare other carriers offering the same nonstop route.
What is the earliest Delta Air Lines flight from SEA to HPN?
Search Delta Air Lines's earliest flights from SEA to HPN by using our "Early Morning" and "Morning" filters. Not only will you get to where you're going sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in White Plains?
Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to White Plains arrive at Westchester County Airport (HPN). This is the main gateway to this city.
Why fly with Delta Air Lines from SEA to HPN?
Delta Air Lines makes traveling from SEA to HPN more comfortable with a rewarding loyalty program and an excellent in-flight experience. You may even earn points with Delta SkyMiles. Make sure you sign up to Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to Westchester County Airport (HPN)?
Typically, you can cancel or modify your flight, although there may be a charge if your booking was made more than 24 hours ago. Need to keep your options open? Use Expedia's "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you have to alter your plans. To update your booking, go to "Trips," select your flight and click on "Manage Booking" for further information.

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*Available to One Key members.