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$99+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EWR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Newark are usually found in January or February, booked 67 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap 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 September 11, 2025.

Round-trip from

$196
(KAYAK)

One-way from

$99
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$362

Good round-trip deal

$249 or less

Good one-way deal

$156 or less
From Seattle/Tacoma Intl to Newark
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One-way flight from Seattle/Tacoma Intl to Newark
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Highest demand for flights based on searches. 9% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Newark.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Newark.
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Find 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 September 11, 2025.

This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/89:34 pmSEA - EWR
Nonstop5h 25mAlaska Airlines
Tue 11/117:29 pmEWR - SEA
Nonstop6h 21mAlaska Airlines
Deal found 9/9$196
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/16:00 amSEA - EWR
Nonstop5h 23mUnited Airlines
Tue 10/77:45 amEWR - SEA
Nonstop6h 02mUnited Airlines
Deal found 9/10$197
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/279:33 pmSEA - EWR
Nonstop5h 26mHawaiian Airlines
Tue 9/307:29 pmEWR - SEA
Nonstop6h 10mHawaiian Airlines
Deal found 9/10$198
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:41 amSEA - EWR
Nonstop5h 19mHawaiian Airlines
Tue 10/77:19 amEWR - SEA
Nonstop6h 03mHawaiian Airlines
Deal found 9/10$201
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 9/306:41 amSEA - EWR
Nonstop5h 19mAlaska Airlines
Sat 10/47:29 pmEWR - SEA
Nonstop6h 10mAlaska Airlines
Deal found 9/11$202
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/18:30 amSEA - EWR
1 stop8h 00mUnited Airlines
Sat 10/47:07 pmEWR - SEA
Nonstop6h 09mUnited Airlines
Deal found 9/11$203
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/119:30 pmSEA - EWR
Nonstop5h 29mHawaiian Airlines
Fri 10/177:29 pmEWR - SEA
Nonstop6h 10mHawaiian Airlines
Deal found 9/11$204
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 9/279:55 amSEA - EWR
Nonstop5h 34mAlaska Airlines
Sat 10/46:00 pmEWR - SEA
Nonstop6h 08mAlaska Airlines
Deal found 9/11$207
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/269:34 pmSEA - EWR
Nonstop5h 25mAlaska Airlines
Sun 11/27:30 amEWR - SEA
Nonstop6h 10mAlaska Airlines
Deal found 9/11$208
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:30 pmSEA - EWR
Nonstop5h 29mHawaiian Airlines
Sat 10/117:29 pmEWR - SEA
Nonstop6h 10mHawaiian Airlines
Deal found 9/11$209
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/119:30 pmSEA - EWR
Nonstop5h 29mMultiple Airlines
Sat 10/187:19 amEWR - SEA
Nonstop6h 03mMultiple Airlines
Deal found 9/10$210
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 9/269:55 amSEA - EWR
Nonstop5h 34mAlaska Airlines
Fri 9/267:29 pmEWR - SEA
Nonstop6h 10mAlaska Airlines
Deal found 9/10$211

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 September 11, 2025.
Use the filters below to find and compare flights from Seattle to Newark Airport that are best for you.

Fly from

Seattle

Fly to

Newark

Route

Depart

Return

Price

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Mon 11/3

6:20 am-2:36 pm

Nonstop5h 16m

Newark

Sun 11/9

7:55 am-11:11 am

Nonstop6h 16m

$197

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 10/28

9:34 pm-5:59 am

Nonstop5h 25m

Newark

Thu 11/6

7:29 pm-10:50 pm

Nonstop6h 21m

$197

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sun 10/5

6:00 am-2:23 pm

Nonstop5h 23m

Newark

Thu 10/9

7:08 pm-10:17 pm

Nonstop6h 09m

$197

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 10/11

9:30 pm-5:59 am

Nonstop5h 29m

Newark

Sat 10/18

7:29 pm-10:39 pm

Nonstop6h 10m

$207

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 9/27

9:55 am-6:29 pm

Nonstop5h 34m

Newark

Sat 10/4

6:00 pm-9:08 pm

Nonstop6h 08m

$207

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 9/27

6:00 am-2:23 pm

Nonstop5h 23m

Newark

Sat 10/4

7:25 am-10:27 am

Nonstop6h 02m

$207

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 11/12

7:00 am-3:25 pm

Nonstop5h 25m

Newark

Mon 11/17

4:25 pm-7:35 pm

Nonstop6h 10m

$207

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 10/3

10:54 pm-7:09 am

Nonstop5h 15m

Newark

Mon 10/6

7:08 pm-10:17 pm

Nonstop6h 09m

$211

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 9/26

9:33 pm-5:59 am

Nonstop5h 26m

Newark

Wed 10/8

7:29 pm-10:39 pm

Nonstop6h 10m

$217

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 10/1

12:43 pm-12:57 am

1 stop9h 14m

Newark

Sun 10/5

7:15 am-10:17 am

Nonstop6h 02m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 24 results
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The best insider tips for Seattle to Newark Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Newark Airport trip
Airlines
Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, ideal for a comfortable journey.


Alaska's Wi-Fi is a flat fee, great for business travelers needing to work during flights.

Read more about Alaska Airlinesby Robert Schrader
United Airlines

United's Economy Plus offers extra legroom, perfect for added comfort on longer flights.


United's Polaris Lounges provide exclusive amenities like showers and dining, enhancing travel experience.

Read more about United Airlinesby Harriet Baskas
Airports
SEA

Use SEA Spot Saver to book security screening appointments in advance, reducing wait times without TSA PreCheck or CLEAR.

Read more about SEAby Brandon Schultz
EWR

For a quick trip to NYC, take the AirTrain to NJ Transit for a 45-minute journey to Penn Station.

Read more about EWRby Brandon Schultz
Our travel experts
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

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 Baskas

Harriet Baskas

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

Brandon Schultz

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

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?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Newark. Price data was last updated on August 29, 2025.

Booking 67 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, January is the cheapest month in which you can book a flight from Seattle to Newark Airport (average of $228). Flying from Seattle to Newark Airport in June is currently the most expensive (average of $301). 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 September 11, 2025.

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 9% 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 September 7, 2025.

Travelers seeking maximum savings on their Seattle to Newark Airport flight should consider departing on Sunday afternoons 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.

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 September 11, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian 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
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,960 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,937 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 16 outbound flights to Newark per day from 7 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How popular is this Seattle to Newark Airport flight route?

    Flights from Seattle/Tacoma Intl to Newark have been viewed 79 times in the past calendar month.

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

    United Airlines and Alaska Airlines can get you from Seattle to Newark Airport in just under 5h 16m. Your travel time will be generally consistent. There are 2393 mi between Seattle and Newark Airport. Generally, flights for this route are nonstop.

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

    Spirit Airlines, at $119, was found to be the cheapest airline from Seattle to Newark Airport.Alternate airlines to your destination round-trip include American Airlines and Hawaiian Airlines. Users have found that Spirit Airlines is 72% cheaper than the other options available to this destination.

  • 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 Hawaiian Airlines (77%), Alaska Airlines (73%) and Air Tahiti Nui (73%).

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

    The cheapest flight price from Seattle to Newark Airport is $98. On average you can expect to pay $762. The most popular route, (Seattle/Tacoma Intl - Newark), can usually be booked for $186.

  • 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, January is the cheapest month in which you can book a flight from Seattle to Newark Airport (average of $228). Flying from Seattle to Newark Airport in June is currently the most expensive (average of $301). 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
Elizabeth
Mahwah
Secaucus
Yonkers
Ronkonkoma
East Rutherford
North Bergen
Staten Island
Stamford
New Brunswick
Absecon
Carle Place
East Brunswick
Hoboken
Westbury
Avenel
Paterson
Fort Lee

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Alternative routes for Seattle to Newark

See prices for flight routes from nearby airports that may be better suited for you.
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Walla Walla to Newark flights
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Top 7 airlines flying from Seattle to Newark

Discover the top 7 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$119Average$223FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$168Average$421FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$188Average$457FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$189Average$400FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$237Average$464FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$238Average$446FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$368FlexibilityNo cancel feeOn-timeN/A

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