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$120+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EWR
ago. 12 — ago. 191
mar. 8/12
mar. 8/19
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 agosto 7, 2025.

Round-trip from

$209
(Kiwi.com)

One-way from

$120
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$457

Good round-trip deal

$300 or less

Good one-way deal

$176 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. 8% potential increase in price ($41 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 August 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 agosto 7, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
vie. 9/198:19 amSEA - EWR
Nonstop5h 29mAlaska Airlines
vie. 9/267:29 pmEWR - SEA
Nonstop6h 10mAlaska Airlines
Deal found 8/5$209
This Kissandfly.com deal was found by Cheapflights users on 8/6. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/209:33 pmSEA - EWR
Nonstop5h 26mHawaiian Airlines
sáb. 9/2710:49 amEWR - SEA
1 stop9h 40mHawaiian Airlines
Deal found 8/6$212
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
jue. 9/49:33 pmSEA - EWR
Nonstop5h 26mHawaiian Airlines
mié. 9/109:00 amEWR - SEA
1 stop12h 25mHawaiian Airlines
Deal found 8/7$213
This United Airlines deal was found by Cheapflights users on 8/7. 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.
mar. 9/162:00 pmSEA - EWR
1 stop7h 30mUnited Airlines
mar. 9/236:55 pmEWR - SEA
Nonstop6h 11mUnited Airlines
Deal found 8/7$214
This American Airlines deal was found by Cheapflights users on 8/6. 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.
vie. 10/3111:42 amSEA - EWR
1 stop8h 48mAmerican Airlines
mié. 11/57:00 amEWR - SEA
1 stop8h 40mAmerican Airlines
Deal found 8/6$216
This American Airlines deal was found by Cheapflights users on 8/6. 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.
mar. 9/910:11 amSEA - EWR
1 stop9h 48mAmerican Airlines
mar. 9/162:27 pmEWR - SEA
1 stop8h 42mAmerican Airlines
Deal found 8/6$217
This American Airlines deal was found by Cheapflights users on 8/6. 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.
sáb. 9/276:05 amSEA - EWR
1 stop9h 54mAmerican Airlines
mié. 10/11:59 pmEWR - SEA
1 stop9h 00mAmerican Airlines
Deal found 8/6$218
This United Airlines deal was found by Cheapflights users on 8/5. 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.
mar. 8/1911:10 pmSEA - EWR
Nonstop5h 16mUnited Airlines
mar. 8/267:45 amEWR - SEA
Nonstop6h 00mUnited Airlines
Deal found 8/5$222
This Cheapflightsfares deal was found by Cheapflights users on 8/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/275:05 pmSEA - EWR
1 stop9h 54mHawaiian Airlines
mié. 10/15:30 pmEWR - SEA
Nonstop6h 05mHawaiian Airlines
Deal found 8/6$223
This United Airlines deal was found by Cheapflights users on 8/5. 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.
vie. 8/2911:14 pmSEA - EWR
Nonstop5h 16mUnited Airlines
lun. 9/16:45 pmEWR - SEA
Nonstop6h 11mUnited Airlines
Deal found 8/5$224
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
mar. 9/29:33 pmSEA - EWR
Nonstop5h 26mMultiple Airlines
mié. 9/107:30 amEWR - SEA
1 stop9h 13mMultiple Airlines
Deal found 8/5$225

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 agosto 7, 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

vie. 9/19

8:19 am-4:48 pm

Nonstop5h 29m

Newark

vie. 9/26

7:29 pm-10:39 pm

Nonstop6h 10m

$209

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

sáb. 9/20

9:33 pm-5:59 am

Nonstop5h 26m

Newark

sáb. 9/27

10:49 am-5:29 pm

1 stop9h 40m

$212

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

jue. 9/4

9:33 pm-5:59 am

Nonstop5h 26m

Newark

mié. 9/10

9:00 am-6:25 pm

1 stop12h 25m

$213

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

mar. 9/16

2:00 pm-12:30 am

1 stop7h 30m

Newark

mar. 9/23

6:55 pm-10:06 pm

Nonstop6h 11m

$214

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

vie. 10/31

11:42 am-11:30 pm

1 stop8h 48m

Newark

mié. 11/5

7:00 am-12:40 pm

1 stop8h 40m

$216

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

mar. 9/9

10:11 am-10:59 pm

1 stop9h 48m

Newark

mar. 9/16

2:27 pm-8:09 pm

1 stop8h 42m

$217

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

sáb. 9/27

6:05 am-6:59 pm

1 stop9h 54m

Newark

mié. 10/1

1:59 pm-7:59 pm

1 stop9h 00m

$218

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

vie. 8/22

11:10 pm-7:26 am

Nonstop5h 16m

Newark

sáb. 8/30

6:59 pm-10:08 pm

Nonstop6h 09m

$222

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

sáb. 9/27

5:05 pm-5:59 am

1 stop9h 54m

Newark

mié. 10/1

5:30 pm-8:35 pm

Nonstop6h 05m

$223

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

vie. 8/29

11:14 pm-7:30 am

Nonstop5h 16m

Newark

lun. 9/1

6:45 pm-9:56 pm

Nonstop6h 11m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Showing 1-10 of 23 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 1, 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 agosto 7, 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 7% 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 August 3, 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. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Newark Airport

Explore weekly flight availability from Seattle to Newark. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated agosto 7, 2025.

The most flights from SEA to EWR are scheduled on a Thursday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

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 agosto 7, 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

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

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

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

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
7,987 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

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
2,631 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

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
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

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

Comfort

7.8

Entertainment

7.1

Food

7.1

Crew

8.5

Boarding

8.1

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.

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

    Alaska Airlines, at $209, was found to be the cheapest airline from Seattle to Newark Airport. An alternate airline flying to your destination would be Hawaiian Airlines. Users have found that Alaska Airlines is 52% 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 (74%), Korean Air (70%) and Singapore Airlines (70%).

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

    The cheapest flight price from Seattle to Newark Airport is $118. On average you can expect to pay $886. The most popular route, (Seattle/Tacoma Intl - Newark), can usually be booked for $183.

  • 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
Secaucus
Yonkers
Ronkonkoma
Absecon
East Rutherford
Mahwah
North Bergen
Staten Island
Stamford
Parsippany
New Brunswick
Carle Place
Westbury
Hoboken
East Brunswick
Avenel
Paterson

Browse thousands of different options on Cheapflights for your next trip

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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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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 agosto 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$119Average$223FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$192Average$401FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$196Average$385FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$198Average$447FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$243Average$457FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$245Average$471FlexibilityNo cancel feeOn-time75%
DeltaCheapest$256Average$357FlexibilityNo cancel feeOn-timeN/A

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