Cheap flights from White Plains to Seattle from $189

In general, February is the cheapest month to fly from White Plains to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Seattle in February, then you should wait until March to fly from White Plains, when ticket prices are also cheap, with an average price of $257.

On average, the least expensive day to fly to Seattle from White Plains is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $468. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from White Plains because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $554.

Flying to Seattle from White Plains in the evening is the least expensive time of day to depart. momondo users have found prices as low as $454 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $578. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

As of October 2026, prices for White Plains to Seattle flights are approximately 6% more expensive when compared to flights at the same time last year.

Delta and Alaska Airlines are the most popular carriers operating from White Plains Westchester County to Seattle/Tacoma Intl

Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to Seattle from White Plains according to our data. Alaska Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

Chicago (ORD) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Detroit (DTW) offer the lowest average round-trip price of $465.

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 7h 48m.

Chicago (ORD) has the shortest average layover time for this route: 1h 40m.