Cheap flights from Seattle to New York from $139

The cheapest month to fly to New York from Seattle is in September. Flight prices, which tend to average around $297, are often lower during this time because this is during the off-season. The month of October is another great option to travel to New York, with average flight prices from Seattle averaging around $297.

The cheapest day to depart from Seattle to New York is on a Wednesday when prices can be found for as low as $389. On the other hand, Sunday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $494.

Our most recent data shows that the best time of day to fly to New York is in the afternoon. Flights from Seattle to New York during this time can be as low as $362. Flights to New York are more costly in the morning, with an average ticket price of $446. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Seattle/Tacoma Intl to Newark for the best Seattle/Tacoma Intl - New York flight prices

You are more likely to see cheaper flights to New York from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to New York for around $394 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New York from Seattle for as low as $287 on momondo.

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to New York 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 32% on your flight if you consider stops on a Seattle to New York flight.

As of April 2026, prices for Seattle to New York flights are approximately 10% cheaper when compared to flights at the same time last year.

United Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to New York

Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to New York from Seattle according to our data. Alaska Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to New York. Keep in mind that there are 10 different airlines that fly to New York on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Seattle and New York have experienced a delay on any given week. The average delay length over the past 12 months has been 165 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Wednesday 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 12% of their flights experiencing any sort of delay.

Chicago (ORD) was the most common stop: 25% of momondo users choosing 1-stop flights on this route connected there.

Flights via Las Vegas (LAS) offer the lowest average round-trip price of $53.

Flights connecting via Chicago (MDW) have the shortest average one-way travel time: 6h 50m.

Minneapolis (MSP) has the shortest average layover time for this route: 1h 06m.

As of April 2026, there are 38 flights per day flying from Seattle to New York. The most common time of day flights depart is 7:00AM, with 44% of flights taking off at noon.

The number of flights available between Seattle and New York is 268 per week as of April 2026. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.