Cheap flights from Newark Airport to Seattle from £130

EWR — SEA
9 Dec — 16 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Newark to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Newark to Seattle

Tue 8/1209:00 -
Nonstop6h 29m
Wed 6/109:15 -
Nonstop5h 14m
Deal found 8/11£256
Thu 3/1209:00 -
Nonstop6h 29m
Wed 9/1222:40 -
Nonstop5h 08m
Deal found 7/11£259
Thu 3/1209:40 -
Nonstop6h 21m
Wed 9/1207:00 -
Nonstop5h 14m
Deal found 9/11£260
Mon 14/1209:40 -
Nonstop6h 21m
Sat 16/122:50 -
Nonstop5h 11m
Deal found 7/11£264
Tue 15/1209:40 -
Nonstop6h 21m
Sun 17/107:00 -
Nonstop5h 11m
Deal found 7/11£265
Fri 11/1206:00 -
1 stop19h 03m
Sat 9/111:00 -
1 stop9h 59m
Deal found 7/11£267
Fri 4/1216:29 -
1 stop9h 14m
Tue 8/1222:40 -
Nonstop5h 08m
Deal found 8/11£267
Wed 2/1219:02 -
Nonstop6h 25m
Wed 9/1207:00 -
Nonstop5h 14m
Deal found 7/11£268
Thu 10/1218:29 -
Nonstop6h 30m
Thu 31/1215:40 -
Nonstop5h 19m
Deal found 9/11£269
Wed 9/1209:40 -
2 stops17h 13m
Wed 6/106:00 -
1 stop8h 28m
Deal found 7/11£270

Find flight deals from Newark to Seattle

Round-trip from

£252

One-way from

£130

Popular in

August

Cheapest in

February

Average price

£282
United Airlines
  • United Airlines
  • 16/1-17/1
  • Nonstop
  • 11h 37m total
  • Newark to Seattle
Alaska Airlines
  • Alaska Airlines
  • 3/12-31/12
  • Nonstop
  • 6h 29m total
  • Newark to Seattle
Highest demand for flights based on searches. 17% potential increase in price (£51 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Newark Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Wed 9/12

19:02-22:27

Nonstop6h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£130

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Fri 4/12

07:15-14:16

1 stop10h 01m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£138

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Tue 15/12

10:00-16:18

1 stop9h 18m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£138
Fastest return journey

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Tue 30/3

08:00-10:59

Nonstop5h 59m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£142

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Sat 16/1

07:30-13:51

1 stop9h 21m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£142

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Mon 14/12

06:00-11:10

1 stop8h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£153

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Mon 14/12

07:15-14:16

1 stop10h 01m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£153

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Sun 6/12

06:00-11:10

1 stop8h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£153

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Wed 2/12

06:50-14:43

1 stop10h 53m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£164

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Mon 23/11

17:41-21:00

Nonstop6h 19m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

£185

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 21 resultsSorted by cheapest first
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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

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?

To ensure you get the cheapest price possible for a flight from Newark Airport to Seattle, you should look to book at least 85 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, February is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of £233). Flying from Newark Airport to Seattle in August is currently the most expensive (average of £427). 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?

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.

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

Airfare is below average for this route at the moment.

Newark Airport to Seattle flights typically cost between £263 and £362 in January.
The cheapest return price found within the last 5 days was £252 on United Airlines (16 Jan–17 Jan).

Related info for your journey

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

    There are many flights that can get you from Newark Airport to Seattle in 6h 13m. Fly via Alaska Airlines, United Airlines, or Delta to get the fastest option. Airlines will cover a distance of 2393 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 American Airlines (85%), Japan Airlines (85%) and Alaska Airlines (83%).

  • 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, February is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of £233). Flying from Newark Airport to Seattle in August is currently the most expensive (average of £427). 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
Federal Way
SeaTac

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Alternative routes for Newark to Seattle

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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.

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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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