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Cheap flights from Seattle to Newark Airport from £90

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EWR
12 Apr — 19 Apr1
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 13 March 2026.

Tue 28/422:09
SEA
-
EWR
Nonstop5h 30m
Alaska Airlines
Wed 29/409:00
EWR
-
SEA
Nonstop6h 11m
Alaska Airlines
Deal found 8/3£175
Tue 21/421:38
SEA
-
EWR
Nonstop5h 22m
Alaska Airlines
Wed 29/417:56
EWR
-
SEA
Nonstop6h 14m
Alaska Airlines
Deal found 9/3£178
Thu 23/414:52
SEA
-
EWR
Nonstop5h 37m
Alaska Airlines
Wed 29/415:30
EWR
-
SEA
Nonstop6h 10m
Alaska Airlines
Deal found 9/3£179
Thu 5/1114:35
SEA
-
EWR
Nonstop5h 26m
Alaska Airlines
Wed 11/1107:19
EWR
-
SEA
Nonstop6h 13m
Alaska Airlines
Deal found 9/3£180
Thu 23/422:55
SEA
-
EWR
Nonstop5h 21m
United Airlines
Tue 28/407:50
EWR
-
SEA
Nonstop6h 12m
United Airlines
Deal found 13/3£187
Tue 22/911:20
SEA
-
EWR
1 stop8h 53m
Alaska Airlines
Wed 30/907:19
EWR
-
SEA
Nonstop6h 13m
Alaska Airlines
Deal found 9/3£188
Wed 29/408:55
SEA
-
EWR
1 stop7h 47m
United Airlines
Tue 5/516:45
EWR
-
SEA
1 stop9h 02m
United Airlines
Deal found 11/3£190
Tue 13/1021:40
SEA
-
EWR
Nonstop5h 24m
Alaska Airlines
Wed 14/1009:00
EWR
-
SEA
Nonstop6h 18m
Alaska Airlines
Deal found 10/3£191
Sat 25/422:55
SEA
-
EWR
Nonstop5h 21m
United Airlines
Tue 28/420:30
EWR
-
SEA
Nonstop6h 16m
United Airlines
Deal found 10/3£194
Fri 24/422:55
SEA
-
EWR
Nonstop5h 21m
United Airlines
Sat 2/513:10
EWR
-
SEA
Nonstop6h 02m
United Airlines
Deal found 9/3£194
Tue 22/923:05
SEA
-
EWR
1 stop6h 49m
Delta
Sat 26/918:55
EWR
-
SEA
1 stop8h 06m
Delta
Deal found 9/3£195

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 13 March 2026.

Round-trip from

£175

One-way from

£90

Popular in

June

Cheapest in

October

Average price

£231

Good one-way deal

£126 or less
Alaska Airlines
  • Alaska Airlines
  • 28/4-29/4
  • Nonstop
  • 11h 41m total
  • Seattle to Newark
Search Deals
United Airlines
  • United Airlines
  • 12/5
  • Nonstop
  • 5h 21m total
  • Seattle to Newark
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£40 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in March 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 13 March 2026.
Use the filters below to find and compare flights from Seattle to Newark Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 2/5

14:52-23:29

Nonstop5h 37m

Newark

Sat 9/5

16:31-09:26

1 stop19h 55m

£209

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 23/5

22:40-10:30

1 stop8h 50m

Newark

Sat 30/5

16:25-19:36

Nonstop6h 11m

£232

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 25/4

22:09-06:39

Nonstop5h 30m

Newark

Sat 2/5

07:59-22:18

1 stop17h 19m

£251

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Fri 27/3

10:08-18:29

Nonstop5h 21m

Newark

Fri 3/4

09:00-12:14

Nonstop6h 14m

£261

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 28/4

08:55-19:52

1 stop7h 57m

Newark

Wed 29/4

11:32-19:00

1 stop10h 28m

£265

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Tue 30/6

23:52-10:30

1 stop7h 38m

Newark

Mon 6/7

18:10-23:59

1 stop8h 49m

£270

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sun 3/5

07:25-15:49

Nonstop5h 24m

Newark

Sun 10/5

07:25-10:37

Nonstop6h 12m

£272
Fastest return journey

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 28/3

21:36-05:58

Nonstop5h 22m

Newark

Fri 3/4

07:20-10:29

Nonstop6h 09m

£276
Cheapest one-way

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Sat 2/5

23:00-07:21

Nonstop5h 21m

£90

SeattleNewark

SEA - EWR

SEAEWR

Seattle/Tacoma Intl

Mon 3/8

23:53-10:51

1 stop7h 58m

£98

Flights are sorted by cheapest return flights first.

Deals found on 11/3

Showing 1-10 of 19 resultsSorted by cheapest first
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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 6 March 2026.

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 £133). Flying from Seattle to Newark Airport in July is currently the most expensive (average of £202). 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 13 March 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.

How much does it cost for a return flight from Seattle to Newark Airport?

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 12 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 long is the flight from Seattle to Newark Airport?

    There are many flights that can get you from Seattle to Newark Airport in 5h 37m. Fly via Alaska Airlines, United Airlines, or Delta 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: TAP AIR PORTUGAL (88%), United Airlines (85%), American Airlines( 76%).

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

    Looking at all options, your cheapest flight can be booked for £120. While the most popular route (Seattle/Tacoma Intl - Newark) can be booked for £224 on average, our data indicates £138 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 £133). Flying from Seattle to Newark Airport in July is currently the most expensive (average of £202). 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
Ronkonkoma
Weehawken
Secaucus
Yonkers
Bronx
Elizabeth
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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