How often are flights from Newark to Seattle delayed?

About 18% of weekly flights between Newark and Seattle have experienced delays in the past year, with the average delay time being 205 minutes.

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

Over the last year, United Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.

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

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

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

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

How popular is this Newark Airport to Seattle flight route?

Within the past month, 98 users have taken a look at flights from Newark to Seattle/Tacoma Intl.

How long is the flight from Newark Airport to Seattle?

Departing from Newark Airport to Seattle will take you 6h 18m. The distance between Newark Airport and Seattle is about 2393 mi. Generally, flights for this route are nonstop.

What are the cheapest airlines flying from Newark Airport to Seattle round-trip?

Cheapflights users have booked flights from Newark Airport to Seattle round-trip from $119. Other airlines that can offer you cheap pricing are Spirit Airlines, from $120, and Hawaiian Airlines, from $138. Delta is 70% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Newark Airport to Seattle one-way?

$73 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on American Airlines and Hawaiian Airlines, with prices starting from $98 and $98, respectively.

Weekly flight availability from Newark Airport to Seattle

The most flights from EWR to SEA are scheduled on a Monday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What are the cheapest flights from Newark Airport to Seattle?

On average you can expect to pay $1,029 for a flight from Newark Airport to Seattle. The cheapest flight overall is $109 while the most popular route, (Newark - Seattle/Tacoma Intl) is currently priced at $177.

What are the most reliable airlines from Newark Airport to Seattle?

No one likes to see their flight delayed. When booking a flight from Newark Airport to Seattle consider choosing United Airlines (70%), American Airlines (65%) or Japan Airlines (65%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Newark Airport to Seattle?

Before booking your flight from Newark Airport to Seattle check out the most popular airlines for this route: United Airlines, Alaska Airlines or Hawaiian Airlines.

Most accurate provider : When it comes to deals on Newark Airport-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Newark Airport-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Newark Airport-Seattle flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Newark Airport-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Newark Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Seattle from Newark?

Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Newark to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from Newark; the airport handles an average of 13 inbound flights from Newark per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the Seattle airport from Newark. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

Can I find deals for flights from Newark to Seattle that include hotel bookings?

Yes. In addition to deals on Newark to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Newark to Seattle?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to Seattle.

Can I find deals for business class flights from Newark to Seattle?

Yes. Cheapflights offers flight deals from Newark to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$103+ Flights from Newark Airport to Seattle

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Find cheap flights from Newark to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheapflights Tip: The best prices from Newark to Seattle/Tacoma Intl are usually found in October or September, booked 73 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Newark to Seattle

Cheapest flights from Newark to Seattle
Explore the most affordable flight options available from Newark to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Wed 12/316:00 amEWR - SEA

1 stop8h 27mUnited Airlines

Tue 1/67:00 amSEA - EWR

Nonstop5h 19mUnited Airlines

Deal found 12/22

$338

Wed 12/316:00 amEWR - SEA

1 stop8h 27mUnited Airlines

Mon 1/56:00 amSEA - EWR

Nonstop5h 17mUnited Airlines

Deal found 12/22

$363

Wed 12/247:59 pmEWR - SEA

Nonstop6h 06mAlaska Airlines

Sun 1/188:43 amSEA - EWR

Nonstop5h 12mAlaska Airlines

Deal found 12/21

$392

Wed 12/246:00 pmEWR - SEA

1 stop9h 59mUnited Airlines

Sat 1/1711:45 pmSEA - EWR

Nonstop5h 13mUnited Airlines

Deal found 12/21

$402

Sun 12/2811:54 amEWR - SEA

1 stop8h 24mMultiple Airlines

Mon 1/58:36 pmSEA - EWR

1 stop16h 05mMultiple Airlines

Deal found 12/22

$404

Thu 12/256:15 pmEWR - SEA

Nonstop6h 20mUnited Airlines

Thu 1/15:00 amSEA - EWR

1 stop8h 55mUnited Airlines

Deal found 12/22

$417

Wed 12/247:59 pmEWR - SEA

Nonstop6h 06mAlaska Airlines

Tue 1/610:04 amSEA - EWR

Nonstop5h 25mAlaska Airlines

Deal found 12/21

$422

Wed 12/316:00 amEWR - SEA

1 stop8h 27mUnited Airlines

Sun 1/48:57 amSEA - EWR

1 stop7h 33mUnited Airlines

Deal found 12/22

$429

Thu 12/257:09 amEWR - SEA

Nonstop6h 27mAlaska Airlines

Tue 1/68:36 pmSEA - EWR

1 stop15h 53mAlaska Airlines

Deal found 12/20

$432

Best flights from Newark to Seattle
Discover carefully curated flight deals from Newark to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Sat 3/215:25 pmEWR - SEA

Nonstop6h 18mAlaska Airlines

Sat 3/289:35 pmSEA - EWR

Nonstop5h 17mAlaska Airlines

Deal found 12/20

$219

Fri 3/137:49 amEWR - SEA

Nonstop6h 21mUnited Airlines

Sun 3/1511:59 pmSEA - EWR

Nonstop5h 09mUnited Airlines

Deal found 12/21

$219

Sat 1/317:00 amEWR - SEA

1 stop8h 33mDelta

Tue 2/36:05 amSEA - EWR

1 stop6h 57mDelta

Deal found 12/20

$237

Thu 2/127:29 pmEWR - SEA

Nonstop6h 25mAlaska Airlines

Tue 2/177:45 amSEA - EWR

1 stop8h 14mAlaska Airlines

Deal found 12/22

$223

Fri 1/97:15 amEWR - SEA

1 stop9h 42mUnited Airlines

Mon 1/1211:45 pmSEA - EWR

Nonstop5h 14mUnited Airlines

Deal found 12/22

$227

Mon 1/125:30 pmEWR - SEA

1 stop8h 52mDelta

Tue 1/2011:10 pmSEA - EWR

1 stop9h 59mDelta

Deal found 12/22

$237

Thu 1/226:08 pmEWR - SEA

Nonstop6h 20mAlaska Airlines

Sun 1/256:53 pmSEA - EWR

1 stop18h 29mAlaska Airlines

Deal found 12/20

$227

Wed 1/76:00 amEWR - SEA

1 stop8h 32mUnited Airlines

Mon 1/1211:45 pmSEA - EWR

Nonstop5h 14mUnited Airlines

Deal found 12/22

$227

Tue 1/65:30 amEWR - SEA

1 stop11h 27mUnited Airlines

Sat 1/1711:45 pmSEA - EWR

Nonstop5h 13mUnited Airlines

Deal found 12/22

$227

Sat 1/246:08 pmEWR - SEA

Nonstop6h 20mAlaska Airlines

Sun 2/18:43 amSEA - EWR

Nonstop5h 12mAlaska Airlines

Deal found 12/20

$237

Mon 1/124:29 pmEWR - SEA

1 stop9h 14mUnited Airlines

Thu 1/152:10 pmSEA - EWR

1 stop7h 35mUnited Airlines

Deal found 12/20

$237

Fri 3/137:30 amEWR - SEA

Nonstop6h 25mAlaska Airlines

Mon 3/169:41 pmSEA - EWR

1 stop13h 48mAlaska Airlines

Deal found 12/22

$238

Last-minute flights from Newark to Seattle
Discover last-minute flight deals from Newark to Seattle. Data last updated December 23, 2025 and is based on user searches.

Wed 1/711:30 amEWR - SEA

1 stop9h 44mUnited Airlines

Wed 1/147:00 amSEA - EWR

Nonstop5h 19mUnited Airlines

Deal found 12/20

$222

Wed 1/711:30 amEWR - SEA

1 stop9h 44mUnited Airlines

Mon 1/127:00 amSEA - EWR

Nonstop5h 19mUnited Airlines

Deal found 12/20

$227

Thu 1/86:00 amEWR - SEA

1 stop10h 17mAmerican Airlines

Wed 1/149:45 pmSEA - EWR

1 stop8h 45mAmerican Airlines

Deal found 12/21

$232

Mon 1/126:08 pmEWR - SEA

Nonstop6h 20mAlaska Airlines

Wed 1/2110:09 amSEA - EWR

Nonstop5h 15mAlaska Airlines

Deal found 12/20

$231

Fri 1/167:45 amEWR - SEA

Nonstop6h 22mUnited Airlines

Tue 1/207:00 amSEA - EWR

Nonstop5h 19mUnited Airlines

Deal found 12/21

$229

Fri 1/166:08 pmEWR - SEA

Nonstop6h 20mAlaska Airlines

Tue 1/208:15 pmSEA - EWR

1 stop17h 07mAlaska Airlines

Deal found 12/21

$234

Sat 1/176:08 pmEWR - SEA

Nonstop6h 20mAlaska Airlines

Wed 1/218:50 pmSEA - EWR

1 stop15h 39mAlaska Airlines

Deal found 12/20

$219

Sun 1/186:08 pmEWR - SEA

Nonstop6h 20mHawaiian Airlines

Tue 1/278:15 pmSEA - EWR

1 stop17h 07mHawaiian Airlines

Deal found 12/21

$218

Sat 1/316:08 pmEWR - SEA

Nonstop6h 20mAlaska Airlines

Tue 2/33:45 pmSEA - EWR

1 stop20h 44mAlaska Airlines

Deal found 12/19

$235

One-way flights from Newark to Seattle
Search for one-way flight options from Newark to Seattle. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Sat 2/217:29 pmEWR - SEA

Nonstop6h 25mHawaiian Airlines

Deal found 12/20

$103

Fri 2/208:28 pmEWR - SEA

Nonstop6h 23mUnited Airlines

Deal found 12/22

$104

Thu 1/225:25 amEWR - SEA

2 stops32h 54mMultiple Airlines

Deal found 12/21

$106

Wed 1/144:15 pmEWR - SEA

2 stops30h 36mMultiple Airlines

Deal found 12/20

$108

Fri 1/164:36 pmEWR - SEA

Nonstop6h 19mAlaska Airlines

Deal found 12/22

$109

Fri 2/275:30 pmEWR - SEA

Nonstop6h 25mAlaska Airlines

Deal found 12/22

$110

Mon 2/94:15 pmEWR - SEA

2 stops21h 39mMultiple Airlines

Deal found 12/20

$113

Thu 2/191:30 pmEWR - SEA

1 stop10h 38mAmerican Airlines

Deal found 12/21

$114

Fri 2/204:05 pmEWR - SEA

2 stops22h 56mMultiple Airlines

Deal found 12/21

$116

Wed 1/219:00 amEWR - SEA

2 stops27h 36mMultiple Airlines

Deal found 12/20

$117

Mon 1/125:30 pmEWR - SEA

1 stop8h 52mDelta

Deal found 12/22

$119

Find flight deals from Newark to Seattle

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$218 (United Airlines)
One-way from	$103 (Trip.com)
Popular in	December
Cheapest in	October
Average price	$534
Good round-trip deal	$328 or less
Good one-way deal	$214 or less

Provider with most accurate pricing for Newark-Seattle/Tacoma Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Newark-Seattle/Tacoma Intl flights.

Search Deals

From Newark to Seattle/Tacoma Intl

Search Deals

One-way flight from Newark to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Newark to Seattle/Tacoma Intl.

Search Deals

Price to beat on a one-way flight from Newark to Seattle/Tacoma Intl.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 3/21

5:25 pm-8:43 pm

Nonstop6h 18m

Seattle/Tacoma Intl

Sat 3/28

9:35 pm-5:52 am

Nonstop5h 17m

$219

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 3/13

7:49 am-11:10 am

Nonstop6h 21m

Seattle/Tacoma Intl

Sun 3/15

11:59 pm-8:08 am

Nonstop5h 09m

$219

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 2/12

7:29 pm-10:54 pm

Nonstop6h 25m

Seattle/Tacoma Intl

Tue 2/17

7:45 am-6:59 pm

1 stop8h 14m

$223

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 1/9

7:15 am-1:57 pm

1 stop9h 42m

Seattle/Tacoma Intl

Mon 1/12

11:45 pm-7:59 am

Nonstop5h 14m

$227

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 1/22

6:08 pm-9:28 pm

Nonstop6h 20m

Seattle/Tacoma Intl

Sun 1/25

6:53 pm-4:22 pm

1 stop18h 29m

$227

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 1/7

6:00 am-11:32 am

1 stop8h 32m

Seattle/Tacoma Intl

Mon 1/12

11:45 pm-7:59 am

Nonstop5h 14m

$227

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 1/6

5:30 am-1:57 pm

1 stop11h 27m

Seattle/Tacoma Intl

Sat 1/17

11:45 pm-7:58 am

Nonstop5h 13m

$227

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 1/31

7:00 am-12:33 pm

1 stop8h 33m

Seattle/Tacoma Intl

Tue 2/3

6:05 am-4:02 pm

1 stop6h 57m

$237

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Mon 1/12

5:30 pm-11:22 pm

1 stop8h 52m

Seattle/Tacoma Intl

Tue 1/20

11:10 pm-12:09 pm

1 stop9h 59m

$237

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 1/24

6:08 pm-9:28 pm

Nonstop6h 20m

Seattle/Tacoma Intl

Sun 2/1

8:43 am-4:55 pm

Nonstop5h 12m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 21 results

Compare providers for flights from Newark to Seattle

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Newark to Seattle in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Priceline	Price Accuracy1 star	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Newark Airport-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Newark Airport-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Newark Airport-Seattle flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Newark Airport-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Newark Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Newark to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Newark with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Newark Airport to Seattle

Prices

Airlines

Delays

How far ahead should I book a flight from Newark Airport to Seattle?

The price you pay for your flight from Newark Airport to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Newark Airport to Seattle?

Currently, October is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of $177). Flying from Newark Airport to Seattle in July is currently the most expensive (average of $277). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from EWR to SEA?

Unlike at noon, when flights are generally more expensive, you can save up to 25% on flights from Newark Airport to Seattle by exploring options for tickets in the evening.

What is the cheapest day to fly from Newark Airport to Seattle?

Travelers seeking maximum savings on their Newark Airport to Seattle flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Newark Airport to Seattle flights

Cheapflights partnered with top experts to bring you the best recommendations for your Newark Airport to Seattle trip

Airports

EWR

EWR offers live security wait time updates, but lines can change rapidly. Arrive at least two hours early to navigate unpredictable waits.

SEA

Take the Link light rail from SEA to downtown Seattle. It's inexpensive, runs every 10 minutes, and takes less than 40 minutes.

Our travel experts

Brandon Schultz

Expert on EWR and SEA

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Newark Airport to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Alaska Airlines

8.0

Very good

11,512 reviews

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Delta

7.9

Good

8,014 reviews

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Hawaiian Airlines

7.8

Good

2,820 reviews

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

United Airlines

7.4

Good

9,105 reviews

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

American Airlines

7.2

Good

11,054 reviews

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

What airport do you fly into for flights to Seattle from Newark?
Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Newark to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from Newark; the airport handles an average of 13 inbound flights from Newark per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the Seattle airport from Newark. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.
How popular is this Newark Airport to Seattle flight route?
Within the past month, 98 users have taken a look at flights from Newark to Seattle/Tacoma Intl.
How long is the flight from Newark Airport to Seattle?
Departing from Newark Airport to Seattle will take you 6h 18m. The distance between Newark Airport and Seattle is about 2393 mi. Generally, flights for this route are nonstop.
What are the cheapest airlines flying from Newark Airport to Seattle round-trip?
Cheapflights users have booked flights from Newark Airport to Seattle round-trip from $119. Other airlines that can offer you cheap pricing are Spirit Airlines, from $120, and Hawaiian Airlines, from $138. Delta is 70% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Newark Airport to Seattle one-way?
$73 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on American Airlines and Hawaiian Airlines, with prices starting from $98 and $98, respectively.
What are the most reliable airlines from Newark Airport to Seattle?
No one likes to see their flight delayed. When booking a flight from Newark Airport to Seattle consider choosing United Airlines (70%), American Airlines (65%) or Japan Airlines (65%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Newark Airport to Seattle?
On average you can expect to pay $1,029 for a flight from Newark Airport to Seattle. The cheapest flight overall is $109 while the most popular route, (Newark - Seattle/Tacoma Intl) is currently priced at $177.
Can I find deals for flights from Newark to Seattle that include hotel bookings?
Yes. In addition to deals on Newark to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Newark to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to Seattle.
Can I find deals for business class flights from Newark to Seattle?
Yes. Cheapflights offers flight deals from Newark to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Newark Airport to Seattle?
Currently, October is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of $177). Flying from Newark Airport to Seattle in July is currently the most expensive (average of $277). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Newark to Seattle

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Other flights to Seattle

Top 7 airlines flying from Newark to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$141	Average$249	FlexibilityNo cancel fee	On-time65%
Hawaiian Airlines	Cheapest$158	Average$412	FlexibilityNo cancel fee	On-time85%
Sun Country Air	Cheapest$182	Average$396	FlexibilityNo cancel fee	On-time83%
United Airlines	Cheapest$198	Average$425	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$203	Average$321	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$218	Average$434	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$238	Average$410	FlexibilityNo cancel fee	On-time71%

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$103+ Cheap flights from Newark (EWR) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Newark to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Newark to Seattle/Tacoma Intl are usually found in October or September, booked 73 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Newark to Seattle

Cheapest flights from Newark to SeattleExplore the most affordable flight options available from Newark to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Explore the most affordable flight options available from Newark to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Find flight deals from Newark to Seattle

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

Compare providers for flights from Newark to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Newark to Seattle in December.

Best time to book a flight from Newark to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Newark with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Newark Airport to Seattle

How far ahead should I book a flight from Newark Airport to Seattle?

What is the cheapest month to book a flight from Newark Airport to Seattle?

What is the cheapest time of day to fly from EWR to SEA?

What is the cheapest day to fly from Newark Airport to Seattle?

Weekly flight availability from Newark Airport to Seattle

How often are flights from Newark to Seattle delayed?

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

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

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

The best insider tips for Newark Airport to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your Newark Airport to Seattle trip

Airports

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SEA

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Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Newark Airport to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Newark to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Seattle from Newark?

How popular is this Newark Airport to Seattle flight route?

How long is the flight from Newark Airport to Seattle?

What are the cheapest airlines flying from Newark Airport to Seattle round-trip?

What are the cheapest airlines to fly from Newark Airport to Seattle one-way?

What are the most reliable airlines from Newark Airport to Seattle?

What are the cheapest flights from Newark Airport to Seattle?

Can I find deals for flights from Newark to Seattle that include hotel bookings?

How can I find direct flights from Newark to Seattle?

Can I find deals for business class flights from Newark to Seattle?

What is the cheapest month to book a flight from Newark Airport to Seattle?

Traveling to a place near Seattle?

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Alternative routes for Newark to Seattle

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Top 7 airlines flying from Newark to Seattle

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Cheapest flights from Newark to Seattle
Explore the most affordable flight options available from Newark to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.