HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Newark

$139+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EWR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Newark 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.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Newark are usually found in January or February, booked 75 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 June 12, 2025.

Round-trip from

$274
(Alaska Airlines)

One-way from

$139
(Delta)

Popular in

December

Cheapest in

January

Average price

$533

Good round-trip deal

$332 or less

Good one-way deal

$153 or less
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. 8% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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

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 June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/307:00 amSEA - EWR
1 stop7h 21mAlaska Airlines
Tue 8/124:34 pmEWR - SEA
1 stop10h 10mAlaska Airlines
Deal found 6/9$274
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/23:58 pmSEA - EWR
3 stops27h 02mSpirit Airlines
Wed 7/97:20 amEWR - SEA
1 stop12h 05mSpirit Airlines
Deal found 6/10$278
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1011:55 pmSEA - EWR
1 stop11h 04mAmerican Airlines
Fri 10/176:00 pmEWR - SEA
1 stop8h 50mAmerican Airlines
Deal found 6/11$280
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 7/111:20 pmSEA - EWR
1 stop7h 37mUnited Airlines
Tue 7/87:30 amEWR - SEA
Nonstop6h 07mUnited Airlines
Deal found 6/12$282
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Fri 7/49:40 pmSEA - EWR
Nonstop5h 19mHawaiian Airlines
Fri 7/114:34 pmEWR - SEA
1 stop10h 10mHawaiian Airlines
Deal found 6/11$286
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/227:30 pmSEA - EWR
1 stop7h 50mDelta
Mon 8/257:00 amEWR - SEA
1 stop10h 43mDelta
Deal found 6/11$288
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Tue 7/16:41 amSEA - EWR
Nonstop5h 19mMultiple Airlines
Tue 7/86:53 amEWR - SEA
1 stop11h 10mMultiple Airlines
Deal found 6/11$339
This Sun Country Air deal was found by Cheapflights users on 6/11. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/411:59 pmSEA - EWR
1 stop7h 43mSun Country Air
Wed 7/3011:41 amEWR - SEA
1 stop8h 36mSun Country Air
Deal found 6/11$340

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 June 12, 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

Wed 7/30

7:00 am-5:21 pm

1 stop7h 21m

Newark

Tue 8/12

4:34 pm-11:44 pm

1 stop10h 10m

$274

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 7/2

3:58 pm-10:00 pm

3 stops27h 02m

Newark

Wed 7/9

7:20 am-4:25 pm

1 stop12h 05m

$278

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Mon 7/14

6:05 pm-5:59 am

1 stop8h 54m

Newark

Wed 7/16

4:34 pm-11:44 pm

1 stop10h 10m

$280

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Thu 7/3

2:40 pm-10:59 pm

Nonstop5h 19m

Newark

Mon 7/14

6:10 pm-9:28 pm

Nonstop6h 18m

$283

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 7/4

9:40 pm-5:59 am

Nonstop5h 19m

Newark

Fri 7/11

4:34 pm-11:44 pm

1 stop10h 10m

$286

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 8/22

7:30 pm-6:20 am

1 stop7h 50m

Newark

Mon 8/25

7:00 am-2:43 pm

1 stop10h 43m

$288

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 7/4

11:59 pm-10:42 am

1 stop7h 43m

Newark

Wed 7/30

11:41 am-5:17 pm

1 stop8h 36m

$340

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 9/10

12:40 am-10:57 am

1 stop7h 17m

$139

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 6/28

3:58 pm-5:48 am

1 stop10h 50m

$140

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Thu 7/31

7:00 am-5:21 pm

1 stop7h 21m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 15 results
1
2

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 June 9, 2025.

Booking 75 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 $307). 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 June 12, 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 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 June 8, 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. Sunday 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 June 12, 2025.

The most flights from SEA to EWR are scheduled on a Thursday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Newark by month

Plan your trip to Newark by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Newark Airport ranges from 2.9 - 4.8 inches per month. July is typically the wettest month, when rainfall can reach 4.8 in. February is typically the driest time to visit Newark Airport when rainfall is around 2.9 in.

Temperature in Newark by month

Plan your trip to Newark by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Newark Airport, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Hawaiian Airlines from Seattle to New York by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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 12 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 $274, was found to be the cheapest airline from Seattle to Newark Airport.Alternate airlines to your destination round-trip include Spirit Airlines and United Airlines. Users have found that Alaska Airlines is 37% 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 $139 on Delta. Other airlines that offer cheap prices include Spirit Airlines from $140 and Hawaiian Airlines from $143 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 United Airlines (77%), TAP AIR PORTUGAL (77%) and Korean Air (69%).

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

    The cheapest flight price from Seattle to Newark Airport is $108. On average you can expect to pay $771. The most popular route, (Seattle/Tacoma Intl - Newark), can usually be booked for $207.

  • 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 $307). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Queens
Bronx
Elizabeth
Secaucus
East Rutherford
Ronkonkoma
Parsippany
Yonkers
Staten Island
Stamford
Mahwah
Carle Place
East Brunswick
New Brunswick
Westbury
Hoboken
Paterson
Mount Laurel
Fort Lee
Tannersville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Newark

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to John F Kennedy Intl flights
Seattle to LaGuardia flights
Portland to John F Kennedy Intl flights
Portland to Newark flights
Portland to LaGuardia flights
Spokane to John F Kennedy Intl flights
Spokane to Newark flights
Spokane to LaGuardia flights
Pasco to John F Kennedy Intl flights
Bellingham to Newark flights
Bellingham to John F Kennedy Intl flights
Portland to Stewart flights
Pasco to Newark flights
Pasco to LaGuardia flights
Bellingham to LaGuardia flights
Walla Walla to John F Kennedy Intl flights
Pullman to John F Kennedy Intl flights
Pullman to Newark flights
Seattle to Stewart flights
Yakima to Newark flights
Yakima to John F Kennedy Intl flights
Walla Walla to Newark flights
Pullman to LaGuardia flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$126Average$311FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$174Average$397FlexibilityNo cancel feeOn-time83%
Hawaiian AirlinesCheapest$188Average$423FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$238Average$386FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$247Average$469FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$249Average$473FlexibilityNo cancel feeOn-time75%
DeltaCheapest$256Average$337FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.