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Cheap flights from Newark Airport to Seattle from £88

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SEA
26 Aug — 2 Sep1
1 adult

Cheapflights Tip: The best prices from Newark to Seattle/Tacoma Intl are usually found in February or September, booked 73 days in advance, depart on a Monday or Wednesday 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 21 August 2025.

Round-trip from

£172

One-way from

£88

Popular in

December

Cheapest in

February

Average price

£354

Good round-trip deal

£2,236 or less

Good one-way deal

£99 or less
Hawaiian Airlines
  • Hawaiian Airlines
  • 4/11-4/12
  • Nonstop
  • 11h 32m total
  • Newark to Seattle
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United Airlines
  • United Airlines
  • 19/9
  • Nonstop
  • 6h 11m total
  • Newark to Seattle
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Highest demand for flights based on searches. 6% potential increase in price (£15 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in August 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 21 August 2025.

Wed 27/807:45EWR - SEA
Nonstop6h 00mUnited Airlines
Sun 5/1022:54SEA - EWR
Nonstop5h 15mUnited Airlines
Deal found 20/8£172
Wed 10/1207:14EWR - SEA
Nonstop6h 26mHawaiian Airlines
Tue 16/1208:35SEA - EWR
Nonstop5h 16mHawaiian Airlines
Deal found 21/8£176
Mon 24/1119:59EWR - SEA
Nonstop6h 16mAlaska Airlines
Wed 3/1221:35SEA - EWR
Nonstop5h 23mAlaska Airlines
Deal found 20/8£177
Thu 11/916:00EWR - SEA
Nonstop5h 58mAlaska Airlines
Thu 11/921:33SEA - EWR
Nonstop5h 26mAlaska Airlines
Deal found 19/8£179
Mon 8/917:48EWR - SEA
1 stop7h 41mAlaska Airlines
Wed 17/906:41SEA - EWR
Nonstop5h 19mAlaska Airlines
Deal found 19/8£180
Fri 19/919:29EWR - SEA
Nonstop6h 10mAlaska Airlines
Fri 26/921:33SEA - EWR
Nonstop5h 26mAlaska Airlines
Deal found 20/8£180
Fri 12/917:30EWR - SEA
Nonstop6h 05mHawaiian Airlines
Mon 22/921:33SEA - EWR
Nonstop5h 26mHawaiian Airlines
Deal found 21/8£183
Sat 30/819:29EWR - SEA
Nonstop6h 03mAlaska Airlines
Mon 8/918:05SEA - EWR
1 stop8h 54mAlaska Airlines
Deal found 20/8£184
Fri 24/1014:48EWR - SEA
1 stop8h 56mUnited Airlines
Sun 26/1023:50SEA - EWR
Nonstop5h 08mUnited Airlines
Deal found 20/8£186
Tue 16/909:00EWR - SEA
1 stop10h 58mAlaska Airlines
Tue 16/919:05SEA - EWR
1 stop8h 54mAlaska Airlines
Deal found 18/8£186
Tue 25/1119:23EWR - SEA
Nonstop6h 18mUnited Airlines
Tue 2/1223:50SEA - EWR
Nonstop5h 09mUnited Airlines
Deal found 20/8£187
Sat 30/816:00EWR - SEA
Nonstop5h 58mAlaska Airlines
Mon 1/906:41SEA - EWR
Nonstop5h 19mAlaska Airlines
Deal found 20/8£188

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 21 August 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 4/11

16:25-19:41

Nonstop6h 16m

Seattle/Tacoma Intl

Thu 4/12

08:35-16:51

Nonstop5h 16m

£172

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 25/10

18:00-21:08

Nonstop6h 08m

Seattle/Tacoma Intl

Thu 30/10

19:57-14:23

1 stop15h 26m

£176

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 17/9

17:30-20:35

Nonstop6h 05m

Seattle/Tacoma Intl

Mon 22/9

16:59-05:59

1 stop10h 00m

£176

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 11/9

16:00-18:58

Nonstop5h 58m

Seattle/Tacoma Intl

Mon 15/9

18:05-05:59

1 stop8h 54m

£176

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 10/12

07:14-10:40

Nonstop6h 26m

Seattle/Tacoma Intl

Tue 16/12

08:35-16:51

Nonstop5h 16m

£176

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sun 14/9

07:19-10:20

Nonstop6h 01m

Seattle/Tacoma Intl

Mon 22/9

16:59-05:59

1 stop10h 00m

£176

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 26/9

17:30-20:35

Nonstop6h 05m

Seattle/Tacoma Intl

Mon 29/9

16:59-05:59

1 stop10h 00m

£176

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Fri 19/9

19:29-22:39

Nonstop6h 10m

Seattle/Tacoma Intl

Mon 29/9

16:59-05:59

1 stop10h 00m

£176

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Mon 24/11

19:59-23:15

Nonstop6h 16m

Seattle/Tacoma Intl

Wed 3/12

21:35-05:58

Nonstop5h 23m

£177

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 11/9

16:00-18:58

Nonstop5h 58m

Seattle/Tacoma Intl

Thu 11/9

21:33-05:59

Nonstop5h 26m

£179

Flights are sorted by cheapest return flights first.

Deals found on 21/8

Showing 1-10 of 21 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 8 August 2025.

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 £622). Flying from Newark Airport to Seattle in July is currently the most expensive (average of £946). 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 21 August 2025.

One of the essential ways to save on airfare from Newark Airport to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 12% on airfare.

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 12 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 08m. Fly via Hawaiian Airlines or Alaska 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 Asiana Airlines (90%), United Airlines (78%) and American Airlines (74%).

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

    On average you can expect to pay £1,219 for a flight from Newark Airport to Seattle. The cheapest flight overall is £99 while the most popular route, (Newark - Seattle/Tacoma Intl) is currently priced at £223.

  • 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 £622). Flying from Newark Airport to Seattle in July is currently the most expensive (average of £946). 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
Leavenworth
Bothell
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.
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John F Kennedy Intl to Seattle 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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