Question 1

What is the cheapest Newark to Seattle/Tacoma Intl flight route?

Accepted Answer

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

Question 2

Which layover airport has the shortest travel time from Newark Airport to Seattle?

Accepted Answer

Flights connecting via Portland (PDX) have the shortest average one-way travel time: 7h 41m.

Question 3

Can stopping save me money on Newark Airport to Seattle flights?

Accepted Answer

You could potentially save up to 9% on your flight if you consider stops on a Newark Airport to Seattle flight.

Question 4

What is the most punctual flight time for Newark to Seattle flights?

Accepted Answer

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

Question 5

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

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

Question 6

What is the cheapest airline that flies from Newark to Seattle/Tacoma Intl?

Accepted Answer

Alaska Airlines and United Airlines are the most popular carriers operating from Newark to Seattle/Tacoma Intl

Question 7

Which layover airport offers the lowest fares from Newark Airport to Seattle?

Accepted Answer

Flights via Salt Lake City (SLC) offer the lowest average round-trip price of $451.

Question 8

What is the cheapest month to fly to Seattle?

Accepted Answer

In general, October is the cheapest month to fly from Newark Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $286. If you don’t want to visit Seattle in October, then you should wait until September to fly from Newark Airport, when ticket prices are also cheap, with an average price of $323.

Question 9

How have Newark Airport to Seattle flight prices changed over time?

Accepted Answer

As of December 2025, prices for Newark Airport to Seattle flights are approximately 1% cheaper when compared to flights at the same time last year.

Question 10

Which layover airport has the shortest connection time from Newark Airport to Seattle?

Accepted Answer

Salt Lake City (SLC) has the shortest average layover time for this route: 1h 03m.

Question 11

How far in advance should I book a flight to Seattle?

Accepted Answer

You are more likely to see cheaper flights to Seattle from Newark Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $411 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Newark Airport for as low as $359 on momondo.

Question 12

What airlines fly to Seattle?

Accepted Answer

United Airlines, Alaska Airlines and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from Newark Airport according to our data. United Airlines is the first choice among our users, with 49% 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.

Question 13

What is the cheapest time of day to depart on your flight to Seattle?

Accepted Answer

Flying to Seattle from Newark Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $378 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $573. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Question 14

What is the cheapest day to depart on your flight to Seattle?

Accepted Answer

On average, the least expensive day to fly to Seattle from Newark Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $465. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Newark Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $556.

Question 15

How many flights depart from Newark Airport to Seattle on average per day?

Accepted Answer

The number of flights available between Newark Airport and Seattle is 8 per day as of December 2025. The most frequent departure time is 7:00AM, with 46% of daily flights leaving at noon.

Question 16

How many flights depart from Newark Airport to Seattle on average per week?

Accepted Answer

As of December 2025, 62 flights take off from Newark Airport and land in Seattle each week. The most common flight departure day for this route is Tue, with 31% of weekly flights taking off on this day.

Question 17

Which airline has the best punctuality record on Newark to Seattle flights?

Accepted Answer

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

Question 18

How often are flights from Newark to Seattle delayed?

Accepted Answer

Historically, on average around 17% of flights between Newark and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 212 minutes.

Question 19

Which airport is the most popular layover for flights between Newark Airport and Seattle?

Accepted Answer

Portland (PDX) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Question 20

What cabin class options are available on Newark to Seattle/Tacoma Intl flights?

Accepted Answer

There are 4 cabin classes available to choose from on Newark to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 21

When did momondo last update prices for flights from Newark Airport to Seattle/Tacoma Intl Airport?

Accepted Answer

Prices for flights from Newark Airport to Seattle/Tacoma Intl Airport were last updated today.

Question 22

How many operators does momondo search for flights from Newark Airport to Seattle/Tacoma Intl Airport?

Accepted Answer

As of December 2025, there are 7 operators available to choose from for flights from Newark Airport to Seattle/Tacoma Intl Airport.

Question 23

How old do you have to be to fly from Newark Airport to Seattle/Tacoma Intl Airport?

Accepted Answer

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Newark Airport to Seattle/Tacoma Intl Airport.

Question 24

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

Accepted Answer

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best Price Found	$187
Fastest flight time	5h 50m
Direct flights	Every day
Airports in Seattle	1 airport

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $141	Free Cancellation	Rating 6.3 8,171 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $158	Free Cancellation	Rating 7.8 2,818 reviews	Search Hawaiian Airlines flights
Sun Country Air	PriceFrom $182	Free Cancellation	Rating 6.9 334 reviews	Search Sun Country Air flights
United Airlines	PriceFrom $199	Free Cancellation	Rating 7.4 9,088 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $219	Free Cancellation	Rating 8.0 11,420 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $238	Free Cancellation	Rating 7.2 11,043 reviews	Search American Airlines flights
Delta	PriceFrom $256	Free Cancellation	Rating 7.9 8,010 reviews	Search Delta flights

Cheap flights from Newark Airport to Seattle from $98

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Newark Airport to Seattle departing on 1/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Newark Airport to Seattle

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Delta flights from Newark Airport to Seattle

Our best Delta deals on Newark Airport to Seattle flight tickets

United Airlines flights from Newark Airport to Seattle

Our best United Airlines deals on Newark Airport to Seattle flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Newark Airport to Seattle that are best for you.

See travel insights to Seattle from

How to get the cheapest flight ticket from Newark Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest time of day to depart on your flight to Seattle?

What is the cheapest Newark to Seattle/Tacoma Intl flight route?

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

How far in advance should I book a flight to Seattle?

What cabin class options are available on Newark to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Newark to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Newark Airport to Seattle flights?

You could potentially save up to 9% on your flight if you consider stops on a Newark Airport to Seattle flight.

How have Newark Airport to Seattle flight prices changed over time?

As of December 2025, prices for Newark Airport to Seattle flights are approximately 1% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Newark to Seattle/Tacoma Intl?

Alaska Airlines and United Airlines are the most popular carriers operating from Newark to Seattle/Tacoma Intl

What airlines fly to Seattle?

How often are flights from Newark to Seattle delayed?

Historically, on average around 17% of flights between Newark and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 212 minutes.

What is the most punctual flight time for Newark to Seattle flights?

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

What day of the week experiences the fewest flight delays on this route?

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

Which airline has the best punctuality record on Newark to Seattle flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Newark Airport and Seattle?

Portland (PDX) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Newark Airport to Seattle?

Flights via Salt Lake City (SLC) offer the lowest average round-trip price of $451.

Which layover airport has the shortest travel time from Newark Airport to Seattle?

Flights connecting via Portland (PDX) have the shortest average one-way travel time: 7h 41m.

Which layover airport has the shortest connection time from Newark Airport to Seattle?

Salt Lake City (SLC) has the shortest average layover time for this route: 1h 03m.

How many flights depart from Newark Airport to Seattle on average per day?

The number of flights available between Newark Airport and Seattle is 8 per day as of December 2025. The most frequent departure time is 7:00AM, with 46% of daily flights leaving at noon.

How many flights depart from Newark Airport to Seattle on average per week?

As of December 2025, 62 flights take off from Newark Airport and land in Seattle each week. The most common flight departure day for this route is Tue, with 31% of weekly flights taking off on this day.

When to book flights from Newark Airport to Seattle

Cheap Newark Airport to Seattle (EWR to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Newark Airport to Seattle

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

How far is Newark to Seattle/Tacoma Intl by plane?

When did momondo last update prices for flights from Newark Airport to Seattle/Tacoma Intl Airport?

How many operators does momondo search for flights from Newark Airport to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from Newark Airport to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular plane model from Newark Airport to Seattle?

What is the most popular airline from Newark Airport to Seattle?

Best airlines flying from Newark Airport to Seattle

Compare and see reviews for airlines that fly from Newark Airport to Seattle with momondo

Alaska Airlines Flights From Newark Airport to Seattle

Hawaiian Airlines Flights From Newark Airport to Seattle

Traveling to a place near Seattle?

Why use momondo?

Why should I use momondo to find a flight deal from New York to Seattle?