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$173+ Cheap flights from Seattle (SEA) to Newark (EWR)

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EWR
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Newark are usually found in March or October, booked 87 days in advance, depart on a Friday or Wednesday and return on a Wednesday

Cheap flight deals from Seattle to Newark

Cheapest flights from Seattle to Newark
Explore the most affordable flight options available from Seattle to Newark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:58 pm
SEA
-
EWR
Nonstop5h 12m
United Airlines
Sat 9/128:25 pm
EWR
-
SEA
Nonstop6h 11m
United Airlines
Deal found 7/27$327
This Expedia deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/98:40 am
SEA
-
EWR
Nonstop5h 21m
Alaska Airlines
Tue 1/57:17 am
EWR
-
SEA
Nonstop6h 13m
Alaska Airlines
Deal found 7/25$335
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:40 pm
SEA
-
EWR
Nonstop5h 19m
Alaska Airlines
Fri 10/95:43 pm
EWR
-
SEA
Nonstop6h 15m
Alaska Airlines
Deal found 7/25$336
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:01 pm
SEA
-
EWR
Nonstop5h 29m
Alaska Airlines
Thu 9/249:00 am
EWR
-
SEA
Nonstop6h 02m
Alaska Airlines
Deal found 7/24$337
This Travelocity deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:04 am
SEA
-
EWR
1 stop10h 25m
Alaska Airlines
Sun 9/277:20 am
EWR
-
SEA
Nonstop6h 02m
Alaska Airlines
Deal found 7/22$338
This Orbitz deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:40 pm
SEA
-
EWR
Nonstop5h 24m
Alaska Airlines
Thu 12/105:05 pm
EWR
-
SEA
Nonstop6h 18m
Alaska Airlines
Deal found 7/22$339
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:08 am
SEA
-
EWR
1 stop13h 21m
Alaska Airlines
Tue 9/225:50 pm
EWR
-
SEA
Nonstop6h 02m
Alaska Airlines
Deal found 7/27$342
This Expedia deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:40 pm
SEA
-
EWR
Nonstop5h 24m
Alaska Airlines
Thu 11/195:05 pm
EWR
-
SEA
Nonstop6h 18m
Alaska Airlines
Deal found 7/25$343
This American Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:15 am
SEA
-
EWR
1 stop7h 21m
American Airlines
Wed 9/166:00 am
EWR
-
SEA
1 stop8h 25m
American Airlines
Deal found 7/26$345
This American Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:50 am
SEA
-
EWR
1 stop7h 49m
American Airlines
Wed 9/95:27 pm
EWR
-
SEA
1 stop9h 55m
American Airlines
Deal found 7/26$346
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
SEA
-
EWR
1 stop9h 39m
Delta
Tue 9/223:20 pm
EWR
-
SEA
1 stop11h 38m
Delta
Deal found 7/27$347
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:57 pm
SEA
-
EWR
1 stop8h 00m
United Airlines
Mon 9/148:25 pm
EWR
-
SEA
Nonstop6h 11m
United Airlines
Deal found 7/23$348

Find flight deals from Seattle to Newark

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Newark (EWR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$335
(Expedia)

One-way from

$173
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$508

Good round-trip deal

$447 or less

Good one-way deal

$263 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Newark flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Newark flights.
Search Deals
From Seattle/Tacoma Intl to Newark
Search Deals
One-way flight from Seattle/Tacoma Intl to Newark
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Newark.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Newark.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Newark that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
Use the filters below to find and compare flights from Seattle to Newark Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Thu 1/14

8:40 am-5:01 pm

Nonstop5h 21m

Newark

Tue 1/26

7:17 am-10:30 am

Nonstop6h 13m

$349

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 10/9

11:50 pm-10:55 am

1 stop8h 05m

Newark

Fri 10/30

9:40 am-2:45 pm

1 stop8h 05m

$357

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Thu 11/12

1:45 pm-12:58 am

1 stop8h 13m

Newark

Sun 11/15

6:00 am-10:55 am

1 stop7h 55m

$357

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Thu 8/27

1:57 pm-12:57 am

1 stop8h 00m

Newark

Mon 8/31

8:33 pm-11:44 pm

Nonstop6h 11m

$358

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sun 9/20

8:48 pm-3:30 pm

1 stop15h 42m

Newark

Fri 9/25

4:35 pm-10:39 pm

1 stop9h 04m

$372

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Mon 9/21

10:01 pm-6:30 am

Nonstop5h 29m

Newark

Thu 9/24

6:55 am-12:50 pm

1 stop8h 55m

$373

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Thu 9/10

12:30 pm-11:29 pm

1 stop7h 59m

Newark

Sun 9/13

6:50 am-12:50 pm

1 stop9h 00m

$376

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Thu 9/10

6:51 pm-4:02 pm

1 stop18h 11m

Newark

Mon 9/14

6:55 am-12:50 pm

1 stop8h 55m

$376

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 9/12

11:59 pm-10:57 am

1 stop7h 58m

Newark

Sat 9/19

1:26 pm-9:49 pm

1 stop11h 23m

$377

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 12/4

7:35 am-4:01 pm

Nonstop5h 26m

Newark

Sun 12/6

7:59 pm-8:52 am

1 stop15h 53m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Seattle to Newark

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 Seattle to Newark in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 Seattle-Newark Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Newark Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Newark Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Newark Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Seattle-Newark Airport 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 Seattle to Newark

Have a flexible travel schedule? Discover the best time to fly to Newark from Seattle 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 Seattle to Newark Airport

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

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Newark Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Seattle to Newark Airport (average of $296). Flying from Seattle to Newark Airport in July is currently the most expensive (average of $508). 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 SEA to EWR?

Find hourly flight availability from Seattle to Newark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 27, 2026.

A simple way to save on the total cost of your ticket is to fly from Seattle to Newark Airport in the morning. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Newark. Price data was last updated on July 25, 2026.

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

How much does it cost to fly round-trip from Seattle to Newark Airport?

Airfare is typical for this route at the moment.

Seattle to Newark Airport flights typically cost between $324 and $532 in December.
The cheapest round-trip price found within the last 5 days was $335 on Alaska Airlines (Dec 9-Jan 5).

The best insider tips for Seattle to Newark Airport 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 Seattle to Newark Airport trip
Our travel experts
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Brandon Schultz

Brandon Schultz

Expert on EWR and SEA

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Reviews of airlines servicing Newark

Get insights into the airlines that provide service to Newark. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Newark. Reviews last updated July 27, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Seattle to Newark Airport 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
7.9
Good
12,719 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Entertainment

7.0

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,719 reviews
Alaska Airlines
7.9
Good
12,719 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Entertainment

7.0

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Delta
7.8
Good
8,484 reviews
Alaska Airlines
7.9
Good
12,719 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Entertainment

7.0

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Hawaiian Airlines
7.8
Good
2,821 reviews
Alaska Airlines
7.9
Good
12,719 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Entertainment

7.0

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
United Airlines
7.4
Good
10,042 reviews
Alaska Airlines
7.9
Good
12,719 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Entertainment

7.0

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
American Airlines
7.1
Good
11,843 reviews
Alaska Airlines
7.9
Good
12,719 reviews

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.8

Entertainment

7.0

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Newark. 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 from for flights from Seattle to Newark?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Newark. On average, Seattle/Tacoma Intl has 10 outbound flights to Newark per day from 5 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How long is the flight from Seattle to Newark Airport?

    Alaska Airlines, Delta, and United Airlines can get you from Seattle to Newark Airport in just under 5h 21m. Your travel time can differ by up to 2h 44m. There are 2393 mi between Seattle and Newark Airport. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Hawaiian Airlines, at $108, was found to be the cheapest airline from Seattle to Newark Airport.Alternate airlines to your destination round-trip include Delta and United Airlines. Users have found that Hawaiian Airlines is 71% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $98 on Hawaiian Airlines. Other airlines that offer cheap prices include United Airlines from $98 and Alaska Airlines from $109 one-way.

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

    The top 3 most reliable airlines when flying from Seattle to Newark Airport are TAP AIR PORTUGAL (87%), American Airlines (82%) and Alaska Airlines (80%).

  • What are the cheapest flights from Seattle to Newark Airport?

    The cheapest flight price from Seattle to Newark Airport is $169. On average you can expect to pay $1,146. The most popular route, (Seattle/Tacoma Intl - Newark), can usually be booked for $327.

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

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

  • How can I find direct flights from Seattle to Newark?

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

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

    Yes. Cheapflights offers flight deals from Seattle to Newark 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 Seattle to Newark Airport?

    Currently, March is the cheapest month in which you can book a flight from Seattle to Newark Airport (average of $296). Flying from Seattle to Newark Airport in July is currently the most expensive (average of $508). 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.

See more FAQs

Traveling to a place near Newark Airport?

Book flights to Newark Airport if you plan to visit one of these locations
Queens
Bronx
Mahwah
Elizabeth
East Rutherford
Bethlehem
Staten Island
Yonkers
Mount Laurel
Irvington
Secaucus
Tannersville
North Bergen
Seaside Heights
Edgewater
Carle Place
Absecon
Carteret
Fort Lee
Parsippany

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Seattle to Newark

Discover the top 5 airlines that operate flights from Seattle to Newark. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$108Average$448FlexibilityNo cancel feeOn-time85%
DeltaCheapest$188Average$387FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$190Average$377FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$206Average$441FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$207Average$402FlexibilityNo cancel feeOn-time75%

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