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Cheap flights from Seattle to Newark Airport 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 31/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EWR
26 Feb — 5 Mar1
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 27 January 2026.

Tue 10/307:45
SEA
-
EWR
1 stop8h 14m
Hawaiian Airlines
Tue 17/319:29
EWR
-
SEA
Nonstop6h 25m
Hawaiian Airlines
Deal found 24/1£153
Sat 7/223:45
SEA
-
EWR
Nonstop5h 13m
United Airlines
Sat 14/220:28
EWR
-
SEA
Nonstop6h 23m
United Airlines
Deal found 24/1£155
Sat 25/406:00
SEA
-
EWR
Nonstop5h 27m
Alaska Airlines
Sat 25/416:51
EWR
-
SEA
Nonstop6h 14m
Alaska Airlines
Deal found 23/1£157
Tue 10/322:45
SEA
-
EWR
Nonstop5h 14m
Alaska Airlines
Tue 17/309:00
EWR
-
SEA
Nonstop6h 29m
Alaska Airlines
Deal found 24/1£159
Thu 19/321:36
SEA
-
EWR
Nonstop5h 22m
Alaska Airlines
Wed 25/307:18
EWR
-
SEA
Nonstop6h 11m
Alaska Airlines
Deal found 24/1£159
Sat 18/423:05
SEA
-
EWR
Nonstop5h 21m
United Airlines
Tue 21/407:50
EWR
-
SEA
Nonstop6h 12m
United Airlines
Deal found 26/1£160
Wed 18/208:17
SEA
-
EWR
1 stop7h 42m
United Airlines
Mon 23/220:28
EWR
-
SEA
Nonstop6h 23m
United Airlines
Deal found 24/1£162
Thu 19/207:15
SEA
-
EWR
1 stop8h 42m
United Airlines
Mon 23/220:28
EWR
-
SEA
Nonstop6h 23m
United Airlines
Deal found 26/1£163
Tue 17/317:20
SEA
-
EWR
1 stop10h 55m
United Airlines
Sat 21/307:49
EWR
-
SEA
Nonstop6h 21m
United Airlines
Deal found 24/1£164
Tue 10/307:45
SEA
-
EWR
1 stop8h 14m
Alaska Airlines
Sat 14/307:30
EWR
-
SEA
Nonstop6h 25m
Alaska Airlines
Deal found 24/1£166
Tue 24/207:00
SEA
-
EWR
1 stop9h 05m
United Airlines
Fri 27/220:28
EWR
-
SEA
Nonstop6h 23m
United Airlines
Deal found 26/1£167
Fri 17/423:59
SEA
-
EWR
1 stop7h 21m
United Airlines
Tue 21/407:50
EWR
-
SEA
Nonstop6h 12m
United Airlines
Deal found 26/1£167

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 27 January 2026.

Round-trip from

£159

One-way from

£80

Popular in

June

Cheapest in

October

Average price

£232

Good one-way deal

£127 or less
United Airlines
  • United Airlines
  • 28/2-7/3
  • Nonstop
  • 11h 30m total
  • Seattle to Newark
Search Deals
United Airlines
  • United Airlines
  • 8/3
  • Nonstop
  • 5h 09m total
  • Seattle to Newark
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£45 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 January 2026
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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 27 January 2026.
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 13/3

15:11-23:29

Nonstop5h 18m

Newark

Wed 18/3

07:18-10:29

Nonstop6h 11m

£159

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 10/3

22:45-06:59

Nonstop5h 14m

Newark

Tue 17/3

09:00-12:29

Nonstop6h 29m

£159

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 21/4

23:05-07:26

Nonstop5h 21m

Newark

Thu 30/4

07:25-10:37

Nonstop6h 12m

£160

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 3/6

13:05-21:29

Nonstop5h 24m

Newark

Wed 10/6

11:05-14:16

Nonstop6h 11m

£160

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 1/5

23:00-07:21

Nonstop5h 21m

Newark

Sat 9/5

20:49-23:59

Nonstop6h 10m

£160

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 14/4

23:05-07:26

Nonstop5h 21m

Newark

Thu 16/4

20:30-23:46

Nonstop6h 16m

£160

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 4/3

12:43-21:00

Nonstop5h 17m

Newark

Wed 11/3

16:45-23:28

1 stop9h 43m

£166

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 10/3

06:00-16:11

1 stop7h 11m

Newark

Tue 17/3

07:00-12:27

1 stop8h 27m

£173

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 21/4

19:35-05:55

1 stop7h 20m

Newark

Sat 25/4

07:10-14:46

1 stop10h 36m

£173

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Wed 11/3

15:52-05:40

1 stop10h 48m

Newark

Wed 18/3

07:18-10:29

Nonstop6h 11m

£173

Flights are sorted by cheapest return flights first.

Deals found on 24/1

Showing 1-10 of 22 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 23 January 2026.

Booking 48 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 £129). Flying from Seattle to Newark Airport in July is currently the most expensive (average of £209). 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 27 January 2026.

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 8 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 18m. Fly via Alaska Airlines or United Airlines to get the fastest option. The distance between Seattle and Newark Airport is about 2393 mi. Most flights are nonstop.

  • 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: TAP AIR PORTUGAL (98%), United Airlines (86%), Alaska Airlines( 85%).

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

    Looking at all options, your cheapest flight can be booked for £116. While the most popular route (Seattle/Tacoma Intl - Newark) can be booked for £153 on average, our data indicates £133 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 £129). Flying from Seattle to Newark Airport in July is currently the most expensive (average of £209). 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
Weehawken
Elizabeth
Secaucus
Yonkers
Bronx
Mahwah
North Bergen
Staten Island
North Wales
Carlstadt
Rutherford
Fort Lee
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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