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$139+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SEA
Apr 29 — May 61
Wed 4/29
Wed 5/6
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Newark to Seattle/Tacoma Intl are usually found in October or January, booked 55 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap 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 March 30, 2026.

This Kissandfly.com deal was found by Cheapflights users on 3/27. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:20 am
EWR
-
SEA
Nonstop6h 09m
Multiple Airlines
Mon 4/209:38 pm
SEA
-
EWR
Nonstop5h 22m
Multiple Airlines
Deal found 3/27$251
This Kissandfly.com deal was found by Cheapflights users on 3/27. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 am
EWR
-
SEA
1 stop7h 32m
Alaska Airlines
Mon 4/202:50 pm
SEA
-
EWR
Nonstop5h 21m
Alaska Airlines
Deal found 3/27$265
This Vliegwinkel deal was found by Cheapflights users on 3/29. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:29 am
EWR
-
SEA
Nonstop6h 07m
Alaska Airlines
Wed 4/292:52 pm
SEA
-
EWR
Nonstop5h 37m
Alaska Airlines
Deal found 3/29$268
This Trip.com deal was found by Cheapflights users on 3/29. 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 4/257:29 am
EWR
-
SEA
Nonstop6h 07m
Alaska Airlines
Sat 5/22:52 pm
SEA
-
EWR
Nonstop5h 37m
Alaska Airlines
Deal found 3/29$269
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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 4/243:30 pm
EWR
-
SEA
Nonstop6h 10m
Alaska Airlines
Fri 4/2410:09 pm
SEA
-
EWR
Nonstop5h 30m
Alaska Airlines
Deal found 3/28$274
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:00 am
EWR
-
SEA
Nonstop6h 11m
Alaska Airlines
Sat 5/26:03 am
SEA
-
EWR
Nonstop5h 27m
Alaska Airlines
Deal found 3/26$277
This Alaska Airlines deal was found by Cheapflights users on 3/29. 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.
Thu 4/237:29 am
EWR
-
SEA
Nonstop6h 07m
Alaska Airlines
Fri 4/2410:09 pm
SEA
-
EWR
Nonstop5h 30m
Alaska Airlines
Deal found 3/29$279

Find 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 March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$251
(Kissandfly.com)

One-way from

$139
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$348

Good round-trip deal

$359 or less

Good one-way deal

$222 or less
Provider with most accurate pricing for Newark-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Newark-Seattle/Tacoma Intl flights.
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From Newark to Seattle/Tacoma Intl
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One-way flight from Newark to Seattle/Tacoma Intl
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High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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Price to beat on a round-trip flight from Newark to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Newark to Seattle/Tacoma Intl.
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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 March 30, 2026.
Use the filters below to find and compare flights from Newark Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 9/12

1:00 pm-8:29 pm

1 stop10h 29m

Seattle/Tacoma Intl

Mon 9/21

11:53 pm-12:53 pm

1 stop10h 00m

$299

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 5/8

5:55 pm-11:44 pm

1 stop8h 49m

Seattle/Tacoma Intl

Tue 5/19

5:45 pm-6:00 am

1 stop9h 15m

$299

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 4/25

7:15 am-2:46 pm

1 stop10h 31m

Seattle/Tacoma Intl

Tue 4/28

7:35 pm-6:00 am

1 stop7h 25m

$299

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 4/15

8:30 pm-11:46 pm

Nonstop6h 16m

Seattle/Tacoma Intl

Sun 4/19

11:59 pm-12:20 pm

1 stop9h 21m

$303

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 4/10

3:07 pm-8:53 pm

1 stop8h 46m

Seattle/Tacoma Intl

Tue 4/14

8:55 am-7:52 pm

1 stop7h 57m

$367

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 6/2

8:30 pm-11:44 pm

Nonstop6h 14m

Seattle/Tacoma Intl

Sat 6/13

5:04 pm-5:18 am

1 stop9h 14m

$399
Quickest round-trip

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sun 5/31

8:30 pm-11:44 pm

Nonstop6h 14m

Seattle/Tacoma Intl

Wed 6/3

11:20 pm-9:56 am

1 stop7h 36m

$408

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Mon 6/1

4:25 pm-7:36 pm

Nonstop6h 11m

Seattle/Tacoma Intl

Mon 6/8

11:52 pm-12:11 pm

1 stop9h 19m

$408

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 5/2

3:08 pm-8:53 pm

1 stop8h 45m

Seattle/Tacoma Intl

Sun 5/10

6:58 pm-8:32 am

2 stops10h 34m

$414

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sun 5/3

7:25 am-10:37 am

Nonstop6h 12m

Seattle/Tacoma Intl

Thu 5/7

2:27 pm-1:30 am

1 stop8h 03m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 24 resultsSorted by cheapest first
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Compare providers for flights from Newark to Seattle

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 Newark to Seattle in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust 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 Newark Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Newark Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Newark Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Newark Airport-Seattle 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 Newark Airport-Seattle 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 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 March 13, 2026.

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 55 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 $177). Flying from Newark Airport to Seattle in June is currently the most expensive (average of $257). 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 March 30, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 24% 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 March 28, 2026.

Travelers seeking maximum savings on their Newark Airport to Seattle flight should consider departing on Saturday at noon 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.

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

The best insider tips for Newark Airport to Seattle 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 Newark Airport to Seattle trip
Our travel experts
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 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 March 30, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian 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
7.9
Good
12,139 reviews

Food

7.0

Comfort

7.8

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,139 reviews
Alaska Airlines
7.9
Good
12,139 reviews

Food

7.0

Comfort

7.8

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,358 reviews
Alaska Airlines
7.9
Good
12,139 reviews

Food

7.0

Comfort

7.8

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Hawaiian Airlines
7.8
Good
2,837 reviews
Alaska Airlines
7.9
Good
12,139 reviews

Food

7.0

Comfort

7.8

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
United Airlines
7.4
Good
9,514 reviews
Alaska Airlines
7.9
Good
12,139 reviews

Food

7.0

Comfort

7.8

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
American Airlines
7.1
Good
11,531 reviews
Alaska Airlines
7.9
Good
12,139 reviews

Food

7.0

Comfort

7.8

Overall

7.9

Entertainment

7.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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 7 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 long is the flight from Newark Airport to Seattle?

    Departing from Newark Airport to Seattle will take you 6h 16m. The distance between Newark Airport and Seattle is about 2393 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $119. Other airlines that can offer you cheap pricing are Spirit Airlines, from $120, and Hawaiian Airlines, from $138. Delta is 68% 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?

    $82 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Hawaiian Airlines and United Airlines, with prices starting from $98 and $98, 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 Air Tahiti Nui (80%), Japan Airlines (74%) or Korean Air (74%) 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 $875 for a flight from Newark Airport to Seattle. The cheapest flight overall is $120 while the most popular route, (Newark - Seattle/Tacoma Intl) is currently priced at $279.

  • 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 $177). Flying from Newark Airport to Seattle in June is currently the most expensive (average of $257). 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
SeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Aberdeen

Browse thousands of different options on Cheapflights for your next trip

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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 March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$119Average$321FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$120Average$249FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$138Average$384FlexibilityNo cancel feeOn-time85%
Sun Country AirCheapest$172Average$355FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$197Average$396FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$214Average$398FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$236Average$456FlexibilityNo cancel feeOn-time71%

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