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Cheap flights from Newark Airport to Seattle from £80

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SEA
27 Mar — 3 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Newark to Seattle/Tacoma Intl are usually found in October or January, booked 52 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap 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 25 February 2026.

Sat 14/319:29
EWR
-
SEA
Nonstop6h 24m
United Airlines
Tue 17/307:00
SEA
-
EWR
1 stop9h 45m
United Airlines
Deal found 21/2£161
Sat 25/413:00
EWR
-
SEA
1 stop8h 46m
United Airlines
Tue 28/422:55
SEA
-
EWR
Nonstop5h 21m
United Airlines
Deal found 24/2£162
Fri 24/420:30
EWR
-
SEA
Nonstop6h 16m
United Airlines
Mon 27/422:55
SEA
-
EWR
Nonstop5h 21m
United Airlines
Deal found 24/2£162
Tue 21/417:38
EWR
-
SEA
1 stop7h 50m
Alaska Airlines
Sat 25/414:52
SEA
-
EWR
Nonstop5h 37m
Alaska Airlines
Deal found 23/2£168
Fri 1/516:31
EWR
-
SEA
1 stop10h 19m
Alaska Airlines
Tue 5/517:58
SEA
-
EWR
1 stop9h 05m
Alaska Airlines
Deal found 22/2£169
Fri 24/416:31
EWR
-
SEA
1 stop10h 19m
Alaska Airlines
Sun 26/406:03
SEA
-
EWR
Nonstop5h 27m
Alaska Airlines
Deal found 23/2£170
Tue 10/317:30
EWR
-
SEA
Nonstop6h 25m
Alaska Airlines
Wed 25/321:36
SEA
-
EWR
Nonstop5h 22m
Alaska Airlines
Deal found 24/2£172
Sat 25/406:00
EWR
-
SEA
1 stop10h 17m
United Airlines
Sat 25/417:45
SEA
-
EWR
1 stop9h 08m
United Airlines
Deal found 21/2£173
Tue 24/309:00
EWR
-
SEA
1 stop11h 13m
Alaska Airlines
Tue 31/306:10
SEA
-
EWR
Nonstop5h 17m
Alaska Airlines
Deal found 21/2£176
Wed 22/407:15
EWR
-
SEA
1 stop10h 31m
Delta
Sun 3/523:59
SEA
-
EWR
1 stop7h 30m
Delta
Deal found 24/2£176
Fri 17/418:30
EWR
-
SEA
1 stop8h 29m
Delta
Mon 20/421:45
SEA
-
EWR
1 stop8h 44m
Delta
Deal found 21/2£177
Sun 26/407:50
EWR
-
SEA
Nonstop6h 12m
United Airlines
Tue 28/422:55
SEA
-
EWR
Nonstop5h 21m
United Airlines
Deal found 21/2£179

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 25 February 2026.

Round-trip from

£161

One-way from

£80

Popular in

June

Cheapest in

October

Average price

£236
United Airlines
  • United Airlines
  • 14/3-17/3
  • 1 total stop
  • 16h 09m total
  • Newark to Seattle
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American Airlines
  • American Airlines
  • 14/4
  • 1 total stop
  • 10h 16m total
  • Newark to Seattle
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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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 25 February 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

Fri 17/4

18:30-23:59

1 stop8h 29m

Seattle/Tacoma Intl

Mon 20/4

21:45-09:29

1 stop8h 44m

£177

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 15/4

18:30-23:59

1 stop8h 29m

Seattle/Tacoma Intl

Sun 19/4

23:59-10:29

1 stop7h 30m

£198

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 17/4

18:30-23:59

1 stop8h 29m

Seattle/Tacoma Intl

Sun 19/4

23:59-10:29

1 stop7h 30m

£199

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 10/3

16:29-23:40

1 stop10h 11m

Seattle/Tacoma Intl

Wed 11/3

07:45-18:59

1 stop8h 14m

£213

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 17/4

20:30-23:46

Nonstop6h 16m

Seattle/Tacoma Intl

Sun 19/4

22:55-07:16

Nonstop5h 21m

£236

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 31/3

07:50-11:02

Nonstop6h 12m

Seattle/Tacoma Intl

Mon 6/4

22:55-07:16

Nonstop5h 21m

£257

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 25/7

06:30-14:03

1 stop10h 33m

Seattle/Tacoma Intl

Mon 27/7

22:36-07:00

Nonstop5h 24m

£262

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 28/5

08:50-11:57

Nonstop6h 07m

Seattle/Tacoma Intl

Mon 1/6

23:00-07:18

Nonstop5h 18m

£280

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 22/8

13:00-20:29

1 stop10h 29m

£88

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 30/5

18:10-23:59

1 stop8h 49m

£125

Flights are sorted by cheapest return flights first.

Deals found on 21/2

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 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 20 February 2026.

To ensure you get the cheapest price possible for a flight from Newark Airport to Seattle, you should look to book at least 52 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 £131). Flying from Newark Airport to Seattle in June is currently the most expensive (average of £198). 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 25 February 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 long is the flight from Newark Airport to Seattle?

    There are many flights that can get you from Newark Airport to Seattle in 6h 12m. Fly via Delta, United Airlines, or Alaska Airlines to get the fastest option. Airlines will cover a distance of 2393 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 (79%), Asiana Airlines (72%) and Japan Airlines (70%).

  • 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 £131). Flying from Newark Airport to Seattle in June is currently the most expensive (average of £198). 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
Federal Way
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 Portland flights
John F Kennedy Intl to Seattle flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

Cheapflights helps you search for flights from Newark to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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