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Cheap flights from Newark Airport to Seattle from C$ 144

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SEA
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Newark to Seattle/Tacoma Intl are usually found in October or September, booked 73 days in advance, depart on a Wednesday or Tuesday and return on a Friday

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 27 October 2025.

Round-trip from

C$ 276

One-way from

C$ 144

Popular in

December

Cheapest in

October

Average price

C$ 416

Good one-way deal

C$ 239 or less
United Airlines
  • United Airlines
  • 7/11-15/11
  • Nonstop
  • 11h 32m total
  • Newark to Seattle
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United Airlines
  • United Airlines
  • 4/11
  • Nonstop
  • 6h 19m total
  • Newark to Seattle
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 73 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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

Enter your travel dates to find the best prices.

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 27 October 2025.

Fri 7/117:28 p.m.EWR - SEA
Nonstop6h 16mUnited Airlines
Sat 15/116:13 a.m.SEA - EWR
Nonstop5h 16mUnited Airlines
Deal found 25/10C$ 276
Sat 1/117:55 a.m.EWR - SEA
Nonstop6h 16mUnited Airlines
Sat 1/1111:52 p.m.SEA - EWR
Nonstop5h 08mUnited Airlines
Deal found 25/10C$ 283
Tue 18/117:30 a.m.EWR - SEA
Nonstop6h 10mAlaska Airlines
Tue 2/126:06 a.m.SEA - EWR
Nonstop5h 23mAlaska Airlines
Deal found 27/10C$ 290
Sat 8/116:59 p.m.EWR - SEA
Nonstop6h 18mUnited Airlines
Tue 11/1111:34 p.m.SEA - EWR
1 stop9h 54mUnited Airlines
Deal found 27/10C$ 297
Tue 16/128:00 a.m.EWR - SEA
1 stop11h 07mUnited Airlines
Wed 31/1211:09 p.m.SEA - EWR
Nonstop5h 14mUnited Airlines
Deal found 25/10C$ 299
Sat 8/113:29 p.m.EWR - SEA
1 stop8h 44mUnited Airlines
Sat 15/118:36 a.m.SEA - EWR
1 stop7h 53mUnited Airlines
Deal found 27/10C$ 304
Wed 3/124:30 p.m.EWR - SEA
1 stop8h 58mUnited Airlines
Mon 8/127:00 a.m.SEA - EWR
Nonstop5h 14mUnited Airlines
Deal found 27/10C$ 318
Fri 5/127:14 a.m.EWR - SEA
Nonstop6h 26mAlaska Airlines
Mon 8/122:59 p.m.SEA - EWR
1 stop11h 55mAlaska Airlines
Deal found 27/10C$ 325
Mon 22/127:30 a.m.EWR - SEA
1 stop10h 41mAlaska Airlines
Sat 27/1210:05 a.m.SEA - EWR
Nonstop5h 24mAlaska Airlines
Deal found 27/10C$ 327
Fri 7/117:28 p.m.EWR - SEA
Nonstop6h 16mUnited Airlines
Mon 10/1111:52 p.m.SEA - EWR
Nonstop5h 08mUnited Airlines
Deal found 25/10C$ 330

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 629,999 searches. Data last updated 27 October 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

Mon 10/11

9:20 a.m.-12:39 p.m.

Nonstop6h 19m

Seattle/Tacoma Intl

Thu 13/11

7:00 a.m.-6:29 p.m.

1 stop8h 29m

C$ 297

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 15/11

9:35 a.m.-6:01 p.m.

1 stop11h 26m

Seattle/Tacoma Intl

Wed 19/11

6:03 a.m.-2:14 p.m.

Nonstop5h 11m

C$ 297

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 15/1

6:08 p.m.-9:28 p.m.

Nonstop6h 20m

Seattle/Tacoma Intl

Fri 23/1

8:43 a.m.-4:59 p.m.

Nonstop5h 16m

C$ 304

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 6/1

7:45 a.m.-11:07 a.m.

Nonstop6h 22m

Seattle/Tacoma Intl

Sun 11/1

7:00 a.m.-3:19 p.m.

Nonstop5h 19m

C$ 304

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 3/12

6:00 a.m.-11:47 a.m.

1 stop8h 47m

Seattle/Tacoma Intl

Mon 8/12

11:50 p.m.-7:59 a.m.

Nonstop5h 09m

C$ 318

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 5/12

7:14 a.m.-10:40 a.m.

Nonstop6h 26m

Seattle/Tacoma Intl

Mon 8/12

2:59 p.m.-5:54 a.m.

1 stop11h 55m

C$ 325

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sun 11/1

6:00 a.m.-11:32 a.m.

1 stop8h 32m

Seattle/Tacoma Intl

Sat 24/1

8:40 a.m.-7:17 p.m.

1 stop7h 37m

C$ 325

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 17/1

3:29 p.m.-9:15 p.m.

1 stop8h 46m

Seattle/Tacoma Intl

Mon 26/1

8:40 a.m.-7:17 p.m.

1 stop7h 37m

C$ 325

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 17/2

5:35 p.m.-10:24 p.m.

1 stop7h 49m

Seattle/Tacoma Intl

Fri 20/2

11:10 p.m.-3:32 p.m.

1 stop13h 22m

C$ 330

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 10/3

3:45 p.m.-7:03 p.m.

Nonstop6h 18m

Seattle/Tacoma Intl

Wed 11/3

6:15 a.m.-2:40 p.m.

Nonstop5h 25m

C$ 332

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

Showing 1-10 of 18 results
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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 24 October 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, October is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of C$ 248). Flying from Newark Airport to Seattle in July is currently the most expensive (average of C$ 389). 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 27 October 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Newark Airport to Seattle as you normally would.

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 27 October 2025.
Get a feel of what it's like to fly with Alaska Airlines from Newark Airport to Seattle 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
11,197 reviews
Check prices

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,197 reviews
Alaska Airlines
8.0
Very good
11,197 reviews
Check prices

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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), located 18.4 km from the city centre, is the airport you fly into when you book flights from Newark to Seattle. 1 airline have flights to Seattle/Tacoma Intl from Newark on a regular basis. Booking flights from Newark to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 7 inbound flights from Newark per day.

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

    This flight path from Newark to Seattle/Tacoma Intl was viewed by 16 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    There are many flights that can get you from Newark Airport to Seattle in 6h 19m. Fly via United Airlines or Alaska Airlines to get the fastest option. The distance from Newark Airport to Seattle is about 3851 km. Generally, flights for this route are direct.

  • What is the cheapest airline to fly from Newark Airport to Seattle round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Seattle, with prices starting at C$ 507. This flight start at 13% lower than the current average price 3 months from now.

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

    Before booking your flight to Seattle from Newark Airport, check out the most reliable airlines to get you to your destination on time: Asiana Airlines (98%), American Airlines (84%), Japan Airlines( 84%).

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

    Looking at all options, your cheapest flight can be booked for C$ 152. While the most popular route (Newark - Seattle/Tacoma Intl) can be booked for C$ 346 on average, our data indicates C$ 291 when flying from Newark Airport to Seattle.

  • 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, October is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of C$ 248). Flying from Newark Airport to Seattle in July is currently the most expensive (average of C$ 389). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac
Tukwila
Tacoma
Mukilteo
Bothell
Cashmere
Renton
Olympia
Marysville
Lynnwood

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.
John F Kennedy Intl to Seattle flights

Top airline flying from Newark to Seattle

Discover the top airline 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 629,999 searches. Data last updated 27 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 507AverageC$ 807FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Newark to Seattle?

Deals for Newark to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Newark to Seattle?

Millions of users choose and trust Cheapflights to book the best flight deals from Newark to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Newark to Seattle with no change fees?

Certainly. Search results for flights to Seattle from Newark shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Newark to Seattle become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Newark today and book when prices fit your budget.

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