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Cheap flights from Newark Airport to Seattle from C$ 289

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — SEA
30 Aug — 6 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Newark to Seattle/Tacoma Intl are usually found in October or January, booked 28 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from Newark to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Newark to Seattle
Explore the most affordable flight options available from Newark to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2026.

Wed 16/98:25 p.m.
EWR
-
SEA
Nonstop6h 11m
United Airlines
Sat 26/910:48 p.m.
SEA
-
EWR
Nonstop5h 12m
United Airlines
Deal found 26/7C$ 466
Sat 26/99:00 a.m.
EWR
-
SEA
Nonstop6h 02m
Alaska Airlines
Sun 4/1010:40 p.m.
SEA
-
EWR
Nonstop5h 19m
Alaska Airlines
Deal found 27/7C$ 467
Fri 23/105:43 p.m.
EWR
-
SEA
Nonstop6h 15m
Alaska Airlines
Tue 27/1010:40 p.m.
SEA
-
EWR
Nonstop5h 19m
Alaska Airlines
Deal found 27/7C$ 471
Sat 3/105:43 p.m.
EWR
-
SEA
Nonstop6h 15m
Alaska Airlines
Tue 6/1010:40 p.m.
SEA
-
EWR
Nonstop5h 19m
Alaska Airlines
Deal found 29/7C$ 473
Thu 22/106:44 p.m.
EWR
-
SEA
Nonstop6h 11m
United Airlines
Tue 27/108:30 a.m.
SEA
-
EWR
1 stop8h 30m
United Airlines
Deal found 27/7C$ 474
Thu 15/105:43 p.m.
EWR
-
SEA
Nonstop6h 15m
Alaska Airlines
Sun 18/1010:40 p.m.
SEA
-
EWR
Nonstop5h 19m
Alaska Airlines
Deal found 26/7C$ 478
Wed 16/95:02 p.m.
EWR
-
SEA
1 stop19h 18m
Alaska Airlines
Mon 21/910:01 p.m.
SEA
-
EWR
Nonstop5h 29m
Alaska Airlines
Deal found 27/7C$ 480
Tue 22/98:25 p.m.
EWR
-
SEA
Nonstop6h 11m
United Airlines
Tue 29/98:30 a.m.
SEA
-
EWR
1 stop8h 05m
United Airlines
Deal found 29/7C$ 481
Sat 26/99:00 a.m.
EWR
-
SEA
Nonstop6h 02m
Alaska Airlines
Wed 30/912:30 p.m.
SEA
-
EWR
1 stop7h 59m
Alaska Airlines
Deal found 27/7C$ 483
Tue 3/116:17 p.m.
EWR
-
SEA
Nonstop6h 22m
United Airlines
Sun 8/1111:15 p.m.
SEA
-
EWR
Nonstop5h 06m
United Airlines
Deal found 30/7C$ 487
Tue 15/127:29 p.m.
EWR
-
SEA
Nonstop6h 13m
Alaska Airlines
Mon 11/18:40 a.m.
SEA
-
EWR
Nonstop5h 21m
Alaska Airlines
Deal found 27/7C$ 490
Wed 9/99:00 a.m.
EWR
-
SEA
Nonstop6h 02m
Alaska Airlines
Wed 16/97:08 a.m.
SEA
-
EWR
1 stop13h 21m
Alaska Airlines
Deal found 26/7C$ 492

Find flight deals from Newark to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to Seattle (SEA). 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 31 July 2026.

Round-trip from

C$ 466

One-way from

C$ 289

Popular in

July

Cheapest in

October

Average price

C$ 734

Good round-trip deal

C$ 807 or less

Good one-way deal

C$ 370 or less
United Airlines
  • United Airlines
  • 16/9-26/9
  • Nonstop
  • 11h 23m total
  • Newark to Seattle
Search Deals
United Airlines
  • United Airlines
  • 4/9
  • Nonstop
  • 6h 11m total
  • Newark to Seattle
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Newark to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Newark to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark to Seattle 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 629,999 searches. Data last updated 31 July 2026.
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 round-trip

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 26/9

6:55 a.m.-11:58 a.m.

1 stop8h 03m

Seattle/Tacoma Intl

Wed 30/9

10:04 a.m.-11:29 p.m.

1 stop10h 25m

C$ 487
Quickest round-trip

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Tue 8/9

8:25 p.m.-11:36 p.m.

Nonstop6h 11m

Seattle/Tacoma Intl

Thu 10/9

3:34 p.m.-11:59 p.m.

Nonstop5h 25m

C$ 501

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 29/10

10:00 a.m.-3:32 p.m.

1 stop8h 32m

Seattle/Tacoma Intl

Sun 8/11

6:45 a.m.-2:57 p.m.

Nonstop5h 12m

C$ 515

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 15/10

6:30 a.m.-1:19 p.m.

1 stop9h 49m

Seattle/Tacoma Intl

Sun 18/10

8:40 a.m.-11:25 p.m.

1 stop11h 45m

C$ 529

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Thu 3/9

6:55 a.m.-12:50 p.m.

1 stop8h 55m

Seattle/Tacoma Intl

Fri 11/9

10:04 a.m.-11:29 p.m.

1 stop10h 25m

C$ 537

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 26/9

7:20 a.m.-10:22 a.m.

Nonstop6h 02m

Seattle/Tacoma Intl

Tue 29/9

10:13 a.m.-4:50 p.m.

1 stop27h 37m

C$ 547
Cheapest one-way

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 26/8

4:53 p.m.-10:05 p.m.

1 stop8h 12m

C$ 293
Quickest one-way

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 2/9

3:40 p.m.-6:41 p.m.

Nonstop6h 01m

C$ 307

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Wed 9/9

8:25 p.m.-11:36 p.m.

Nonstop6h 11m

C$ 307

NewarkSeattle

EWR - SEA

EWRSEA

Newark

Sat 12/9

8:25 p.m.-11:36 p.m.

Nonstop6h 11m

C$ 314

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 round-trip 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 Newark Airport to Seattle

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

The price you pay for your flight from Newark Airport to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 27 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of C$ 410). Flying from Newark Airport to Seattle in July is currently the most expensive (average of C$ 734). 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?

Find hourly flight availability from Newark to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 July 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Newark Airport to Seattle as you normally would.

How much does it cost to fly round-trip from Newark Airport to Seattle?

Airfare is below average for this route at the moment.

Newark Airport to Seattle flights typically cost between C$ 550 and C$ 901 in September.
The cheapest round-trip price found within the last 5 days was C$ 466 on United Airlines (16 Sep-26 Sep).

Related info for your journey

Find useful and relevant information for your journey from Newark to Seattle. 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 into for flights to Seattle from Newark?

    Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly into when you book flights from Newark to Seattle. 0 airlines have flights to Seattle/Tacoma Intl from Newark on a regular basis. Booking flights from Newark to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 6 inbound flights from Newark per day.

  • 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 11m. Fly via Alaska Airlines or United Airlines to get the fastest option. The distance from Newark Airport to Seattle is about 3851 km. 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?

    Before booking your flight to Seattle from Newark Airport, check out the most reliable airlines to get you to your destination on time: American Airlines (90%), Japan Airlines (90%), Alaska Airlines( 88%).

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

    Looking at all options, your cheapest flight can be booked for C$ 366. While the most popular route (Newark - Seattle/Tacoma Intl) can be booked for C$ 535 on average, our data indicates C$ 634 when flying from Newark Airport to Seattle.

  • 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 vacation 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, October is the cheapest month in which you can book a flight from Newark Airport to Seattle (average of C$ 410). Flying from Newark Airport to Seattle in July is currently the most expensive (average of C$ 734). 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
SeaTac
Kent
Leavenworth
Mukilteo
Tacoma
Renton
Cashmere
Lynnwood
Ellensburg
Tukwila
Olympia
Marysville
Federal Way
Kirkland

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Newark to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Seattle flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Newark to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Newark to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Seattle from Newark shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Newark today and book when prices fit your budget.

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