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Cheap flights from Seattle to Newark Airport from £146

SEA — EWR
17 Oct — 24 Oct1
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

Sat 31/1022:21 -
Nonstop5h 19m
Sat 7/1107:00 -
Nonstop6h 16m
Deal found 16/9£248
Sat 24/1009:58 -
Nonstop5h 31m
Wed 28/1007:03 -
Nonstop6h 12m
Deal found 14/9£251
Sat 24/1022:40 -
Nonstop5h 19m
Sat 31/1007:03 -
Nonstop6h 12m
Deal found 13/9£252
Tue 27/1009:58 -
Nonstop5h 31m
Thu 29/1006:30 -
1 stop8h 35m
Deal found 13/9£258
Sat 17/1022:40 -
Nonstop5h 19m
Tue 20/1007:03 -
Nonstop6h 12m
Deal found 12/9£260
Tue 3/1121:18 -
Nonstop5h 22m
Wed 4/1109:30 -
Nonstop6h 17m
Deal found 14/9£262
Mon 5/1023:05 -
1 stop6h 40m
Wed 14/1013:21 -
1 stop11h 42m
Deal found 13/9£265
Mon 5/1018:05 -
1 stop8h 38m
Thu 8/1007:50 -
Nonstop6h 04m
Deal found 14/9£268
Wed 4/1106:00 -
Nonstop5h 29m
Wed 4/1117:29 -
1 stop8h 31m
Deal found 14/9£268

Find flight deals from Seattle to Newark

Round-trip from

£248

One-way from

£146

Popular in

July

Cheapest in

March

Average price

£315
Alaska Airlines
  • Alaska Airlines
  • 31/10-7/11
  • Nonstop
  • 11h 35m total
  • Seattle to Newark
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United Airlines
  • United Airlines
  • 31/1-31/12
  • Nonstop
  • 5h 09m total
  • Seattle to Newark
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£54 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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
Fastest return journey

SeattleNewark

SEA Seattle/Tacoma Intl - EWR Newark

SEAEWR

Seattle/Tacoma Intl

Sun 18/10

22:40-06:59

Nonstop5h 19m

Newark

Wed 31/12

00:00-21:00

Nonstop0h 00m

£152

SeattleNewark

SEA Seattle/Tacoma Intl - EWR Newark

SEAEWR

Seattle/Tacoma Intl

Sun 15/11

23:15-08:45

1 stop6h 30m

Newark

Wed 31/12

00:00-21:00

Nonstop0h 00m

£153

SeattleNewark

SEA Seattle/Tacoma Intl - EWR Newark

SEAEWR

Seattle/Tacoma Intl

Sat 21/11

23:47-10:58

1 stop8h 11m

Newark

Wed 31/12

00:00-21:00

Nonstop0h 00m

£153

SeattleNewark

SEA Seattle/Tacoma Intl - EWR Newark

SEAEWR

Seattle/Tacoma Intl

Thu 26/11

06:00-15:59

1 stop6h 59m

Newark

Wed 31/12

00:00-21:00

Nonstop0h 00m

£153

SeattleNewark

SEA Seattle/Tacoma Intl - EWR Newark

SEAEWR

Seattle/Tacoma Intl

Sun 22/11

17:40-05:53

1 stop9h 13m

Newark

Wed 31/12

00:00-21:00

Nonstop0h 00m

£153

SeattleNewark

SEA Seattle/Tacoma Intl - EWR Newark

SEAEWR

Seattle/Tacoma Intl

Thu 19/11

13:50-23:38

1 stop6h 48m

Newark

Wed 31/12

00:00-21:00

Nonstop0h 00m

£153

SeattleNewark

SEA Seattle/Tacoma Intl - EWR Newark

SEAEWR

Seattle/Tacoma Intl

Fri 20/11

06:10-14:29

Nonstop5h 19m

Newark

Wed 31/12

00:00-21:00

Nonstop0h 00m

£167

SeattleNewark

SEA Seattle/Tacoma Intl - EWR Newark

SEAEWR

Seattle/Tacoma Intl

Fri 20/11

17:40-05:53

1 stop9h 13m

Newark

Wed 31/12

00:00-21:00

Nonstop0h 00m

£175

SeattleNewark

SEA Seattle/Tacoma Intl - EWR Newark

SEAEWR

Seattle/Tacoma Intl

Mon 5/10

23:05-08:45

1 stop6h 40m

Newark

Wed 31/12

00:00-21:00

Nonstop0h 00m

£178

SeattleNewark

SEA Seattle/Tacoma Intl - EWR Newark

SEAEWR

Seattle/Tacoma Intl

Wed 30/9

09:43-19:30

1 stop6h 47m

Newark

Wed 31/12

00:00-21:00

Nonstop0h 00m

£178

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 24 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

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?

Booking 65 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, March is the cheapest month in which you can book a flight from Seattle to Newark Airport (average of £220). Flying from Seattle to Newark Airport in July is currently the most expensive (average of £383). 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?

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?

Airfare is typical for this route at the moment.

Seattle to Newark Airport flights typically cost between £245 and £373 in October.
The cheapest return price found within the last 5 days was £248 on Alaska Airlines (31 Oct–7 Nov).

Related info for your journey

  • 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 9 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 31m. Fly via Alaska 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 (85%), American Airlines (80%), Alaska Airlines( 77%).

  • 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, March is the cheapest month in which you can book a flight from Seattle to Newark Airport (average of £220). Flying from Seattle to Newark Airport in July is currently the most expensive (average of £383). 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
Yonkers
Elizabeth
Mahwah
Bronx
North Bergen
Rutherford
Garden City
North Wales
Norwalk
Staten Island
Carlstadt
Rahway
Fort Lee
Secaucus
Carteret
West New York
Edgewater
Mount Laurel

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Newark

Portland to Newark flights

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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?

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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.

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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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