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Cheap flights from Seattle to Newark Airport 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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EWR
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Newark

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Newark
Explore the most affordable flight options available from Seattle to Newark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Wed 31/1223:15SEA - EWR
1 stop7h 25mUnited Airlines
Sat 10/107:44EWR - SEA
Nonstop6h 22mUnited Airlines
Deal found 11/12£162
Wed 31/1223:15SEA - EWR
1 stop7h 25mUnited Airlines
Tue 6/107:45EWR - SEA
Nonstop6h 22mUnited Airlines
Deal found 10/12£194
Wed 24/1216:57SEA - EWR
1 stop9h 17mDelta
Fri 9/114:30EWR - SEA
1 stop11h 20mDelta
Deal found 10/12£222
Wed 31/1223:09SEA - EWR
Nonstop5h 14mUnited Airlines
Wed 7/119:50EWR - SEA
Nonstop6h 25mUnited Airlines
Deal found 10/12£229
Wed 17/1213:45SEA - EWR
1 stop7h 03mDelta
Wed 7/115:59EWR - SEA
1 stop9h 51mDelta
Deal found 10/12£240
Tue 23/1206:00SEA - EWR
Nonstop5h 17mUnited Airlines
Tue 6/107:45EWR - SEA
Nonstop6h 22mUnited Airlines
Deal found 11/12£250
Tue 23/1222:39SEA - EWR
Nonstop5h 20mAlaska Airlines
Fri 9/118:08EWR - SEA
Nonstop6h 20mAlaska Airlines
Deal found 10/12£253

Find flight deals from Seattle to Newark

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Newark (EWR). 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 December 2025.

Round-trip from

£158

One-way from

£81

Popular in

June

Cheapest in

October

Average price

£347

Good one-way deal

£99 or less
United Airlines
  • United Airlines
  • 8/1-15/1
  • 1 total stop
  • 13h 59m total
  • Seattle to Newark
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Alaska Airlines
  • Alaska Airlines
  • 27/1
  • Nonstop
  • 5h 15m total
  • Seattle to Newark
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£42 potential increase over avg. return price).
Search Deals
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 December 2025
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Newark.
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Seattle to Newark 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 December 2025.
Use the filters below to find and compare flights from Seattle to Newark Airport that are best for you.

Fly from

Seattle

Fly to

Newark

Route

Depart

Return

Price

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 9/1

07:00-15:19

Nonstop5h 19m

Newark

Fri 16/1

09:00-16:01

1 stop10h 01m

£163

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Thu 8/1

08:40-19:17

1 stop7h 37m

Newark

Mon 12/1

15:00-20:57

1 stop8h 57m

£167

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 11/3

12:25-20:44

Nonstop5h 19m

Newark

Tue 17/3

15:30-21:14

1 stop8h 44m

£171

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 4/2

17:59-15:29

1 stop18h 30m

Newark

Wed 11/2

18:08-21:28

Nonstop6h 20m

£173

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Thu 8/1

19:45-15:29

1 stop16h 44m

Newark

Wed 14/1

18:08-21:28

Nonstop6h 20m

£173

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 23/1

10:09-18:24

Nonstop5h 15m

Newark

Tue 27/1

19:29-10:01

1 stop17h 32m

£174

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 14/2

06:00-16:02

1 stop7h 02m

Newark

Sat 28/2

12:58-19:00

1 stop9h 02m

£178

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sun 22/2

21:40-18:59

1 stop18h 19m

Newark

Sat 28/2

19:59-09:31

1 stop16h 32m

£182

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Mon 5/1

22:39-06:59

Nonstop5h 20m

Newark

Mon 12/1

18:08-21:28

Nonstop6h 20m

£193

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 6/1

20:36-15:29

1 stop15h 53m

Newark

Tue 13/1

18:08-21:28

Nonstop6h 20m

£197

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 23 results
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Best time to book a flight from Seattle to Newark

Have a flexible travel schedule? Discover the best time to fly to Newark from Seattle 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 Seattle to Newark Airport

How far ahead should I book a flight from Seattle to Newark Airport?

Use this chart to determine the optimal time to book a return flight from Seattle to Newark. Price data was last updated on 5 December 2025.

Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Newark Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Newark Airport?

Currently, October is the cheapest month in which you can book a flight from Seattle to Newark Airport (average of £132). Flying from Seattle to Newark Airport in July is currently the most expensive (average of £221). 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 SEA to EWR?

Find hourly flight availability from Seattle to Newark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

When flying from Seattle to Newark Airport, 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 Seattle to Newark. 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 from for flights from Seattle to Newark?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Newark. You should not have trouble finding flights to Newark from Seattle/Tacoma Intl; the airport handles an average of 14 outbound flights to Newark per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Seattle airport to Newark. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

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

    Flights from Seattle/Tacoma Intl to Newark have been viewed 2 times in the past calendar month.

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

    There are many flights that can get you from Seattle to Newark Airport in 5h 19m. Fly via United Airlines or Alaska Airlines to get the fastest option. The distance between Seattle and Newark Airport is about 2393 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Before booking your flight to Newark Airport from Seattle, check out the most reliable airlines to get you to your destination on time: Korean Air (87%), Hawaiian Airlines (84%), TAP AIR PORTUGAL( 82%).

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

    Looking at all options, your cheapest flight can be booked for £99. While the most popular route (Seattle/Tacoma Intl - Newark) can be booked for £148 on average, our data indicates £209 when flying from Seattle to Newark Airport.

  • Can I find deals for flights from Seattle to Newark that include hotel bookings?

    Yes. In addition to deals on Seattle to Newark flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Newark?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Newark.

  • Can I find deals for business class flights from Seattle to Newark?

    Yes. Cheapflights offers flight deals from Seattle to Newark 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 Seattle to Newark Airport?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Newark Airport (average of £132). Flying from Seattle to Newark Airport in July is currently the most expensive (average of £221). 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 Newark Airport?

Book flights to Newark Airport if you plan to visit one of these locations
Queens
Elizabeth
Secaucus
Weehawken
Yonkers
Bronx
Mahwah
North Bergen
Staten Island
Carlstadt
North Wales
Fort Lee
Rutherford
Carteret
West New York
Englewood
Edgewater
Mount Laurel
Westbury

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Newark

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Newark flights

Fly with Cheapflights

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

When you search for this flight from Seattle to Newark, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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 Newark from Seattle.

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

Yes, we can. To see specific flights from Seattle to Newark with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for Seattle to Newark 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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