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$143+ Cheap flights from Newark (EWR) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SEA
Jul 16 — Jul 231
Wed 7/16
Wed 7/23
1 adult, Economy
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Cheapflights Tip: The best prices from Newark to Seattle/Tacoma Intl are usually found in February or October, booked 73 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Newark to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to Seattle (SEA). 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 11, 2025.

Round-trip from

$275
(Booking.com)

One-way from

$143
(Hawaiian Airlines)

Popular in

December

Cheapest in

February

Average price

$529

Good round-trip deal

$401 or less

Good one-way deal

$199 or less
From Newark to Seattle/Tacoma Intl
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One-way flight from Newark to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Newark to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Newark to Seattle/Tacoma Intl.
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Find flight deals from Newark to Seattle

Cheapest flights from Newark to Seattle
Explore the most affordable flight options available from Newark to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.

This Booking.com deal was found by Cheapflights users on 7/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/297:20 amEWR - SEA
1 stop12h 05mSpirit Airlines
Mon 8/45:30 pmSEA - EWR
2 stops16h 26mSpirit Airlines
Deal found 7/8$275
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 8/306:18 pmEWR - SEA
1 stop16h 49mAlaska Airlines
Fri 9/55:59 pmSEA - EWR
1 stop9h 00mAlaska Airlines
Deal found 7/8$276
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:45 amEWR - SEA
Nonstop6h 00mUnited Airlines
Thu 8/2810:55 pmSEA - EWR
1 stop8h 05mUnited Airlines
Deal found 7/9$279
This Hawaiian Airlines deal was found by Cheapflights users on 7/8. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/225:43 pmEWR - SEA
1 stop8h 19mHawaiian Airlines
Wed 9/37:50 amSEA - EWR
1 stop8h 09mHawaiian Airlines
Deal found 7/8$281
This Orbitz deal was found by Cheapflights users on 7/8. 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.
Tue 8/57:20 amEWR - SEA
1 stop12h 05mMultiple Airlines
Wed 8/206:41 amSEA - EWR
2 stops14h 32mMultiple Airlines
Deal found 7/8$301
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2910:39 amEWR - SEA
1 stop8h 36mDelta
Wed 8/67:10 amSEA - EWR
1 stop7h 35mDelta
Deal found 7/9$302

Cheapflights Fare Finder

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

Fly from

Newark

Fly to

Seattle

Route

Depart

Return

Price

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 7/29

7:20 am-4:25 pm

1 stop12h 05m

Seattle/Tacoma Intl

Mon 8/4

5:30 pm-12:56 pm

2 stops16h 26m

$275

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 8/30

6:18 pm-8:07 am

1 stop16h 49m

Seattle/Tacoma Intl

Fri 9/5

5:59 pm-5:59 am

1 stop9h 00m

$276

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 9/4

4:00 pm-6:58 pm

Nonstop5h 58m

Seattle/Tacoma Intl

Fri 9/12

5:59 pm-5:59 am

1 stop9h 00m

$277

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 8/28

7:45 am-10:45 am

Nonstop6h 00m

Seattle/Tacoma Intl

Thu 8/28

10:55 pm-10:00 am

1 stop8h 05m

$279

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 8/5

7:20 am-4:25 pm

1 stop12h 05m

Seattle/Tacoma Intl

Wed 8/20

6:41 am-12:13 am

2 stops14h 32m

$301

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 7/29

10:39 am-4:15 pm

1 stop8h 36m

Seattle/Tacoma Intl

Wed 8/6

7:10 am-5:45 pm

1 stop7h 35m

$302

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 8/15

4:34 pm-11:51 pm

1 stop10h 17m

$143

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Mon 8/18

6:55 pm-12:06 am

1 stop8h 11m

$144

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 8/1

7:20 am-4:25 pm

1 stop12h 05m

$146

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 7/23

7:30 am-10:37 am

Nonstop6h 07m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Showing 1-10 of 14 results
1
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The best insider tips for Newark Airport to Seattle 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 Newark Airport to Seattle trip
Airports
EWR

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

Read more about EWRby Brandon Schultz
SEA

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

Read more about SEAby Brandon Schultz
Our travel experts
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 Newark to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Newark with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Newark to Seattle. Price data was last updated on June 27, 2025.

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

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

Currently, January is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of $238). Flying from Newark Airport to Seattle in June is currently the most expensive (average of $388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Newark to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 13% on flights from Newark Airport to Seattle by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Newark to Seattle. Price data was last updated on July 6, 2025.

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

Weekly flight availability from Newark Airport to Seattle

Explore weekly flight availability from Newark to Seattle. 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 July 11, 2025.

The most flights from EWR to SEA 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 (12 on average).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated July 11, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Newark Airport to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,952 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.8
Good
2,561 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,846 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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

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

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Newark to Seattle. You should not have trouble finding flights to Seattle/Tacoma Intl from Newark; the airport handles an average of 16 inbound flights from Newark per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the Seattle airport from Newark. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

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

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

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

    Cheapflights users have booked flights from Newark Airport to Seattle round-trip from $275. Other airlines that can offer you cheap pricing are Alaska Airlines, from $277, and United Airlines, from $279. Spirit Airlines is 37% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $143 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on Delta and Spirit Airlines, with prices starting from $144 and $146, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Newark Airport to Seattle consider choosing American Airlines (80%), Japan Airlines (80%) or Korean Air (80%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $1,051 for a flight from Newark Airport to Seattle. The cheapest flight overall is $138 while the most popular route, (Newark - Seattle/Tacoma Intl) is currently priced at $203.

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of $238). Flying from Newark Airport to Seattle in June is currently the most expensive (average of $388). 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
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Chehalis
Kirkland
Aberdeen
Federal Way
Shelton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Newark to Seattle

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

Top 7 airlines flying from Newark to Seattle

Discover the top 7 airlines that operate flights from Newark to Seattle. 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$159Average$260FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$182Average$436FlexibilityNo cancel feeOn-time83%
Hawaiian AirlinesCheapest$193Average$430FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$241Average$462FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$242Average$474FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$256Average$464FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$321FlexibilityNo cancel feeOn-timeN/A

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