Cheap flights from New York John F Kennedy Intl Airport to Seattle from $185

In general, October is the cheapest month to fly from New York John F Kennedy Intl Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $319. If you don’t want to visit Seattle in October, then you should wait until February to fly from New York John F Kennedy Intl Airport, when ticket prices are also cheap, with an average price of $328.

On average, the least expensive day to fly to Seattle from New York John F Kennedy Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $458. 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 New York John F Kennedy Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $538.

Flying to Seattle from New York John F Kennedy Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $433 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.

Fly from New York John F Kennedy Intl to Seattle/Tacoma Intl for the best New York John F Kennedy Intl - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from New York John F Kennedy Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $448 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from New York John F Kennedy Intl Airport for as low as $407 on momondo.

There are 4 cabin classes available to choose from on New York John F Kennedy Intl Airport to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 15% on your flight if you consider stops on a New York John F Kennedy Intl Airport to Seattle flight.

As of September 2026, prices for New York John F Kennedy Intl Airport to Seattle flights are approximately 2% more expensive when compared to flights at the same time last year.

Delta and Alaska Airlines are the most popular carriers operating from New York John F Kennedy Intl to Seattle/Tacoma Intl

Alaska Airlines, Delta and JetBlue are the top three most popular airlines that fly to Seattle from New York John F Kennedy Intl Airport according to our data. Alaska Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between New York and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 175 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.

As of September 2026, there are 32 flights per day flying from New York John F Kennedy Intl Airport to Seattle. The most common time of day flights depart is 7:00PM, with 48% of flights taking off in the afternoon.

As of September 2026, 226 flights take off from New York John F Kennedy Intl Airport and land in Seattle each week. The most common flight departure day for this route is Sat, with 17% of weekly flights taking off on this day.