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Cheap flights from Newark Airport to Seattle from £81

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SEA
11 Feb — 18 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Newark to Seattle/Tacoma Intl are usually found in October or February, booked 73 days in advance, depart on a Tuesday or Monday and return on a Monday

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 12 January 2026.

Round-trip from

£151

One-way from

£81

Popular in

June

Cheapest in

October

Average price

£244

Good one-way deal

£179 or less
United Airlines
  • United Airlines
  • 10/2-17/2
  • Nonstop
  • 11h 39m total
  • Newark to Seattle
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United Airlines
  • United Airlines
  • 4/3
  • Nonstop
  • 6h 20m total
  • Newark to Seattle
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Highest demand for flights based on searches. 18% potential increase in price (£50 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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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 12 January 2026.

Tue 10/207:45
EWR
-
SEA
Nonstop6h 22m
United Airlines
Tue 17/212:43
SEA
-
EWR
Nonstop5h 17m
United Airlines
Deal found 11/1£151
Tue 10/219:50
EWR
-
SEA
Nonstop6h 25m
United Airlines
Mon 16/223:35
SEA
-
EWR
Nonstop5h 09m
United Airlines
Deal found 10/1£151
Sun 15/219:29
EWR
-
SEA
Nonstop6h 25m
Alaska Airlines
Wed 18/210:09
SEA
-
EWR
Nonstop5h 19m
Alaska Airlines
Deal found 12/1£154
Tue 17/219:29
EWR
-
SEA
Nonstop6h 25m
Alaska Airlines
Thu 19/208:55
SEA
-
EWR
Nonstop5h 16m
Alaska Airlines
Deal found 11/1£158
Tue 3/219:50
EWR
-
SEA
Nonstop6h 25m
United Airlines
Sun 8/212:57
SEA
-
EWR
1 stop8h 55m
United Airlines
Deal found 12/1£159
Thu 19/315:27
EWR
-
SEA
Nonstop6h 15m
Alaska Airlines
Thu 19/321:36
SEA
-
EWR
Nonstop5h 22m
Alaska Airlines
Deal found 12/1£160
Tue 3/207:00
EWR
-
SEA
1 stop10h 10m
American Airlines
Sat 7/212:51
SEA
-
EWR
1 stop7h 08m
American Airlines
Deal found 12/1£161
Tue 17/309:00
EWR
-
SEA
Nonstop6h 29m
Alaska Airlines
Tue 24/321:36
SEA
-
EWR
Nonstop5h 22m
Alaska Airlines
Deal found 12/1£162
Wed 18/318:14
EWR
-
SEA
Nonstop6h 14m
Alaska Airlines
Mon 23/321:36
SEA
-
EWR
Nonstop5h 22m
Alaska Airlines
Deal found 12/1£163
Fri 20/319:29
EWR
-
SEA
Nonstop6h 24m
United Airlines
Mon 23/323:59
SEA
-
EWR
Nonstop5h 09m
United Airlines
Deal found 12/1£163
Sat 14/220:28
EWR
-
SEA
Nonstop6h 23m
United Airlines
Tue 17/223:59
SEA
-
EWR
1 stop9h 29m
United Airlines
Deal found 12/1£166
Thu 19/215:17
EWR
-
SEA
1 stop10h 26m
United Airlines
Fri 20/212:25
SEA
-
EWR
Nonstop5h 17m
United Airlines
Deal found 12/1£166

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 12 January 2026.
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

Sun 15/2

19:29-22:54

Nonstop6h 25m

Seattle/Tacoma Intl

Tue 17/2

08:55-17:11

Nonstop5h 16m

£158

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 17/2

19:29-22:54

Nonstop6h 25m

Seattle/Tacoma Intl

Mon 23/2

08:55-17:11

Nonstop5h 16m

£158

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sun 1/2

07:45-11:07

Nonstop6h 22m

Seattle/Tacoma Intl

Wed 4/2

07:00-15:19

Nonstop5h 19m

£162

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 18/3

07:49-11:10

Nonstop6h 21m

Seattle/Tacoma Intl

Tue 24/3

12:25-20:44

Nonstop5h 19m

£162

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 17/3

19:29-22:54

Nonstop6h 25m

Seattle/Tacoma Intl

Sun 22/3

21:36-05:58

Nonstop5h 22m

£163

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 24/4

20:30-23:46

Nonstop6h 16m

Seattle/Tacoma Intl

Mon 27/4

23:05-07:26

Nonstop5h 21m

£163

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 27/2

19:29-22:54

Nonstop6h 25m

Seattle/Tacoma Intl

Sun 1/3

10:09-18:28

Nonstop5h 19m

£163

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 16/4

16:55-20:08

Nonstop6h 13m

Seattle/Tacoma Intl

Mon 20/4

21:36-05:58

Nonstop5h 22m

£163

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 23/5

17:25-20:43

Nonstop6h 18m

Seattle/Tacoma Intl

Sun 31/5

08:00-16:26

Nonstop5h 26m

£163

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 6/5

15:28-18:38

Nonstop6h 10m

Seattle/Tacoma Intl

Sun 10/5

09:52-18:29

Nonstop5h 37m

£163

Flights are sorted by cheapest return flights first.

Deals found on 12/1

Showing 1-10 of 22 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 return 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 return flight from Newark to Seattle. Price data was last updated on 9 January 2026.

To ensure you get the cheapest price possible for a flight from Newark Airport to Seattle, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 £132). Flying from Newark Airport to Seattle in July is currently the most expensive (average of £207). 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 12 January 2026.

When flying from Newark Airport to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Newark. On average, Seattle/Tacoma Intl has 9 inbound flights from Newark per day from 0 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

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

    The Newark to Seattle/Tacoma Intl flight path was viewed by 21 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 22m. Fly via Alaska Airlines or United Airlines to get the fastest option. Airlines will cover a distance of 2393 mi. Generally, flights for this route are direct.

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

    The top 3 most reliable airlines when flying from Newark Airport to Seattle are TAP AIR PORTUGAL (57%), United Airlines (56%) and Asiana Airlines (56%).

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

    On average you can expect to pay £182 for a flight from Newark Airport to Seattle. The cheapest flight overall is £145 while the most popular route, (Newark - Seattle/Tacoma Intl) is currently priced at £154.

  • 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 holiday 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 £132). Flying from Newark Airport to Seattle in July is currently the most expensive (average of £207). 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
Tacoma
SeaTac

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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
John F Kennedy Intl to Portland flights

Fly with Cheapflights

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

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Newark.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Newark to Seattle, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Newark to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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