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Cheap flights from Newark Airport to Seattle from £72

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SEA
21 Dec — 28 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 Monday or Tuesday 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 November 2025.

Round-trip from

£151

One-way from

£72

Popular in

December

Cheapest in

October

Average price

£297

Good round-trip deal

£2,305 or less
United Airlines
  • United Airlines
  • 9/1-12/1
  • Nonstop
  • 11h 39m total
  • Newark to Seattle
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United Airlines
  • United Airlines
  • 3/12
  • Nonstop
  • 6h 17m total
  • Newark to Seattle
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Highest demand for flights based on searches. 8% potential increase in price (£23 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£10 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip 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 21 November 2025.

Thu 11/1219:25EWR - SEA
Nonstop6h 13mUnited Airlines
Wed 7/108:40SEA - EWR
1 stop7h 37mUnited Airlines
Deal found 19/11£157
Fri 12/1219:25EWR - SEA
Nonstop6h 13mUnited Airlines
Tue 16/1207:00SEA - EWR
Nonstop5h 14mUnited Airlines
Deal found 19/11£158
Thu 11/1219:25EWR - SEA
Nonstop6h 13mUnited Airlines
Mon 15/1207:00SEA - EWR
1 stop9h 48mUnited Airlines
Deal found 19/11£166
Thu 4/1207:59EWR - SEA
Nonstop6h 17mUnited Airlines
Mon 8/1210:40SEA - EWR
1 stop7h 04mUnited Airlines
Deal found 19/11£171
Fri 5/1209:00EWR - SEA
1 stop10h 07mUnited Airlines
Tue 9/1223:50SEA - EWR
Nonstop5h 09mUnited Airlines
Deal found 19/11£174
Mon 15/1207:14EWR - SEA
Nonstop6h 26mAlaska Airlines
Mon 12/110:09SEA - EWR
Nonstop5h 15mAlaska Airlines
Deal found 19/11£178
Tue 16/1207:05EWR - SEA
1 stop10h 30mDelta
Thu 8/122:35SEA - EWR
1 stop7h 14mDelta
Deal found 19/11£181
Tue 9/1216:29EWR - SEA
Nonstop6h 19mAlaska Airlines
Tue 9/1221:35SEA - EWR
Nonstop5h 23mAlaska Airlines
Deal found 19/11£185
Fri 5/1219:59EWR - SEA
Nonstop6h 20mAlaska Airlines
Tue 9/1210:00SEA - EWR
Nonstop5h 26mAlaska Airlines
Deal found 20/11£189
Sat 6/1207:45EWR - SEA
1 stop9h 03mUnited Airlines
Sat 13/1212:35SEA - EWR
1 stop7h 40mUnited Airlines
Deal found 19/11£190
Tue 9/1216:29EWR - SEA
Nonstop6h 19mAlaska Airlines
Fri 12/1221:39SEA - EWR
1 stop15h 07mAlaska Airlines
Deal found 19/11£193

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 November 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

Thu 15/1

19:50-23:15

Nonstop6h 25m

Seattle/Tacoma Intl

Sat 24/1

08:40-19:17

1 stop7h 37m

£156

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 14/1

18:08-21:28

Nonstop6h 20m

Seattle/Tacoma Intl

Sun 25/1

08:43-16:55

Nonstop5h 12m

£166

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 11/12

19:25-22:38

Nonstop6h 13m

Seattle/Tacoma Intl

Mon 15/12

07:00-19:48

1 stop9h 48m

£166

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 10/1

07:45-11:07

Nonstop6h 22m

Seattle/Tacoma Intl

Sat 17/1

07:00-15:19

Nonstop5h 19m

£166

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 17/2

19:29-22:54

Nonstop6h 25m

Seattle/Tacoma Intl

Sat 21/2

07:45-18:59

1 stop8h 14m

£174

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sun 1/2

09:00-16:01

1 stop10h 01m

Seattle/Tacoma Intl

Tue 3/2

07:00-15:19

Nonstop5h 19m

£174

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sun 14/12

07:59-11:16

Nonstop6h 17m

Seattle/Tacoma Intl

Wed 17/12

07:00-15:14

Nonstop5h 14m

£174

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 14/2

17:30-07:04

1 stop16h 34m

Seattle/Tacoma Intl

Tue 17/2

07:45-18:59

1 stop8h 14m

£181

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 22/1

15:00-21:12

1 stop9h 12m

Seattle/Tacoma Intl

Sun 25/1

08:10-19:22

1 stop8h 12m

£181

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 17/2

16:37-09:28

1 stop19h 51m

Seattle/Tacoma Intl

Fri 20/2

22:50-18:59

1 stop17h 09m

£188

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 20 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 14 November 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, October is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of £135). Flying from Newark Airport to Seattle in June is currently the most expensive (average of £212). 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 November 2025.

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 4 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 20m. Fly via United 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 United Airlines (77%), Singapore Airlines (73%) and American Airlines (71%).

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

    On average you can expect to pay £2,308 for a flight from Newark Airport to Seattle. The cheapest flight overall is £2,299 while the most popular route, (Newark - Seattle/Tacoma Intl) is currently priced at £228.

  • 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, October is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of £135). Flying from Newark Airport to Seattle in June is currently the most expensive (average of £212). 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

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Fly with Cheapflights

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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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