CA $121 Cheap Flights from Newark Liberty Intl. Airport (EWR) to Seattle (SEA)

View CA $121 flight on Tue, Oct. 28, 2025Opens in a new window

Popular airlines from Newark Liberty Intl. Airport (EWR) to Seattle-Tacoma International Airport (SEA)

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Cheap flights from Newark Liberty Intl. Airport (EWR) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $121 for one-way flights and CA $242 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Sep. 6 - Mon, Sep. 15
EWR
New York
SEA
Seattle
CA $242 Roundtrip, found 4 days ago
CA $242
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Sep. 6 from New York to Seattle, returning Mon, Sep. 15, priced at CA $242 found 4 days ago
Alaska Airlines
Thu, Sep. 25 - Sat, Sep. 27
EWR
New York
SEA
Seattle
CA $257 Roundtrip, found 4 days ago
CA $257
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Sep. 25 from New York to Seattle, returning Sat, Sep. 27, priced at CA $257 found 4 days ago
American Airlines
Tue, Sep. 23 - Thu, Sep. 25
EWR
New York
SEA
Seattle
CA $268 Roundtrip, found 5 days ago
CA $268
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Sep. 23 from New York to Seattle, returning Thu, Sep. 25, priced at CA $268 found 5 days ago
Alaska Airlines
Tue, Sep. 23 - Thu, Sep. 25
EWR
New York
SEA
Seattle
CA $270 Roundtrip, found 5 days ago
CA $270
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Sep. 23 from New York to Seattle, returning Thu, Sep. 25, priced at CA $270 found 5 days ago
Alaska Airlines
Tue, Sep. 23 - Thu, Sep. 25
EWR
New York
SEA
Seattle
CA $277 Roundtrip, found 5 days ago
CA $277
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Sep. 23 from New York to Seattle, returning Thu, Sep. 25, priced at CA $277 found 5 days ago
Alaska Airlines
Thu, Sep. 25 - Sat, Sep. 27
EWR
New York
SEA
Seattle
CA $285 Roundtrip, found 4 days ago
CA $285
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Sep. 25 from New York to Seattle, returning Sat, Sep. 27, priced at CA $285 found 4 days ago
Alaska Airlines
Tue, Sep. 23 - Thu, Sep. 25
EWR
New York
SEA
Seattle
CA $290 Roundtrip, found 5 days ago
CA $290
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Sep. 23 from New York to Seattle, returning Thu, Sep. 25, priced at CA $290 found 5 days ago
Hawaiian Airlines
Tue, Oct. 28 - Tue, Nov. 11
EWR
New York
SEA
Seattle
CA $323 Roundtrip, found 1 day ago
CA $323
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Oct. 28 from New York to Seattle, returning Tue, Nov. 11, priced at CA $323 found 1 day ago
Delta
Tue, Sep. 23 - Thu, Sep. 25
EWR
New York
SEA
Seattle
CA $334 Roundtrip, found 5 days ago
CA $334
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Sep. 23 from New York to Seattle, returning Thu, Sep. 25, priced at CA $334 found 5 days ago
United
Sat, Dec. 13 - Tue, Dec. 30
EWR
New York
SEA
Seattle
CA $459 Roundtrip, found 3 days ago
CA $459
Roundtrip
found 3 days ago
Select United flight, departing Sat, Dec. 13 from New York to Seattle, returning Tue, Dec. 30, priced at CA $459 found 3 days ago

Find the cheapest month to fly from New York (EWR) to Seattle (SEA)

September is typically the cheapest month to fly

From CA $188 - CA $352 per traveller.

Graph displaying average flight prices per month

Flight from Newark Liberty Intl. Airport to Seattle (EWR - SEA) route information
Origin airport
Newark Liberty Intl. Airport
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
CA $242
Distance
3831 km
Average flight time
4 hours 24 mins

Newark to Seattle Flights

The easy way to book your flights from Newark Liberty Intl. Airport to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Newark Liberty Intl. Airport whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are American Airlines, JAL, Alaska Airlines, Hawaiian Airlines, Korean Air, Air Tahiti Nui, Asiana Airlines, TAP Air Portugal, United Airlines, Singapore Airlines nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Newark Liberty Intl. Airport to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from Newark Liberty Intl. Airport, EWR to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Newark Liberty Intl. Airport to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Newark Liberty Intl. Airport currently is just CA $242 rising to CA $459.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from Newark Liberty Intl. Airport 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

Frequently asked questions

How much is a flight from Liberty Intl. Airport (EWR) to Seattle - Tacoma Intl. Airport (SEA)?
If you're travelling between EWR and Sea-Tac Airport, round-trip journeys start from CA $242. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Newark Airport to Sea-Tac Airport?
This can vary between air carriers, as each one has its own set of terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel your flight online.
How do I find cheap flights from Newark Airport to Sea-Tac Airport that have flexible change policies?
Use our "No change fees" filter to find flexible ticketing options for your flight from Newark Airport to Sea-Tac Airport. This allows you to secure a fantastic price in advance and still have the freedom to reschedule without any extra fees. If the new flight costs more, you'll just cover the difference.
How many hours is the flight from EWR to Sea-Tac Airport?
Lasting around 6 hours and 19 minutes, the flight between Liberty Intl. Airport (EWR) and SEA is a good opportunity to do some last-minute trip planning. How about using this time to fine tune your itinerary for SeaTac?
How far is the flight from Newark Airport to Sea-Tac Airport?
Around 3,900 kilometres separates Newark and SeaTac, so pack some in-flight entertainment to keep you busy for a few hours. That gripping novel you're eager to read will be perfect.
Which airlines fly direct from Liberty Intl. Airport (EWR) to Seattle - Tacoma Intl. Airport (SEA)?
Many people opt to fly with United Airlines (UA) from Liberty Intl. Airport (EWR) to Sea-Tac Airport. It offers 60 flights a month, so you can pick a flight time that's right for you. Operating 47 flights a month along this route, Alaska Airlines (AS) is another traveller favourite.
Are Newark Airport to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from EWR to SEA last minute could be your ticket to an awesome deal. However, it could end up costing you a whole lot more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

Explore a world of travel with Expedia

Seattle nearby Airports

Seattle Paine Field Intl. Airport

Newark Liberty Intl. Airport nearby Airports

New York

LaGuardia to Seattle
CA $257.20
John F. Kennedy Intl. to Seattle
CA $279.80
*Available to Expedia members.