฿4,180 Cheap Flights from Newark Liberty Intl. Airport (EWR) to Seattle (SEA)

View ฿4,180 flight on Wed, 17 Sep 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ฿4,180 for one-way flights and ฿8,720 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 30 Aug - Mon, 8 Sep
EWR
New York
SEA
Seattle
฿8,720 Return, found 6 days ago
฿8,720
Return
found 6 days ago
Select United flight, departing Sat, 30 Aug from New York to Seattle, returning Mon, 8 Sep, priced at ฿8,720 found 6 days ago
United
Sat, 30 Aug - Mon, 8 Sep
EWR
New York
SEA
Seattle
฿9,050 Return, found 6 days ago
฿9,050
Return
found 6 days ago
Select United flight, departing Sat, 30 Aug from New York to Seattle, returning Mon, 8 Sep, priced at ฿9,050 found 6 days ago
United
Mon, 1 Sep - Tue, 9 Sep
EWR
New York
SEA
Seattle
฿9,105 Return, found 3 days ago
฿9,105
Return
found 3 days ago
Select United flight, departing Mon, 1 Sep from New York to Seattle, returning Tue, 9 Sep, priced at ฿9,105 found 3 days ago
United
Sat, 30 Aug - Mon, 8 Sep
EWR
New York
SEA
Seattle
฿9,380 Return, found 6 days ago
฿9,380
Return
found 6 days ago
Select United flight, departing Sat, 30 Aug from New York to Seattle, returning Mon, 8 Sep, priced at ฿9,380 found 6 days ago
American Airlines
Mon, 1 Sep - Tue, 9 Sep
EWR
New York
SEA
Seattle
฿9,425 Return, found 3 days ago
฿9,425
Return
found 3 days ago
Select American Airlines flight, departing Mon, 1 Sep from New York to Seattle, returning Tue, 9 Sep, priced at ฿9,425 found 3 days ago
American Airlines
Wed, 17 Sep - Wed, 24 Sep
EWR
New York
SEA
Seattle
฿9,660 Return, found 6 hours ago
฿9,660
Return
found 6 hours ago
Select American Airlines flight, departing Wed, 17 Sep from New York to Seattle, returning Wed, 24 Sep, priced at ฿9,660 found 6 hours ago
Delta
Wed, 17 Sep - Wed, 24 Sep
EWR
New York
SEA
Seattle
฿9,665 Return, found 6 hours ago
฿9,665
Return
found 6 hours ago
Select Delta flight, departing Wed, 17 Sep from New York to Seattle, returning Wed, 24 Sep, priced at ฿9,665 found 6 hours ago
United
Sat, 30 Aug - Mon, 8 Sep
EWR
New York
SEA
Seattle
฿9,695 Return, found 6 days ago
฿9,695
Return
found 6 days ago
Select United flight, departing Sat, 30 Aug from New York to Seattle, returning Mon, 8 Sep, priced at ฿9,695 found 6 days ago
United
Mon, 1 Sep - Tue, 9 Sep
EWR
New York
SEA
Seattle
฿9,765 Return, found 3 days ago
฿9,765
Return
found 3 days ago
Select United flight, departing Mon, 1 Sep from New York to Seattle, returning Tue, 9 Sep, priced at ฿9,765 found 3 days ago
Delta
Wed, 17 Sep - Wed, 24 Sep
EWR
New York
SEA
Seattle
฿9,985 Return, found 6 hours ago
฿9,985
Return
found 6 hours ago
Select Delta flight, departing Wed, 17 Sep from New York to Seattle, returning Wed, 24 Sep, priced at ฿9,985 found 6 hours ago

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

September is typically the cheapest month to fly

From ฿4,469 - ฿8,357 per traveller.

Graph displaying average flight prices per month

Flight from Newark Liberty Intl. Airport to Seattle route information
Origin airport
Newark Liberty Intl. Airport
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta, United
Return price
฿8,720
Distance
3831 km
Average flight time
3 hours 11 mins

Perfect flights from Newark Liberty Intl. Airport to Seattle

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Newark Liberty Intl. Airport to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Newark Liberty Intl. Airport to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿4,180 and roundtrip prices from ฿8,720. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.

Frequently asked questions

How much is a flight from EWR to Sea-Tac Airport?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Liberty Intl. Airport (EWR) and SEA start from ฿8,720. Book today to score the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Liberty Intl. Airport (EWR) to Sea-Tac Airport?
When it comes to cancellation fees, each airline has a different set of terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.
How do I find cheap flights from Liberty Intl. Airport (EWR) to Sea-Tac Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for EWR to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Newark Airport to SEA?
The flight distance from Newark Airport to Sea-Tac Airport is 3,900 kilometres. Bring along a drink, a snack and something to read. Keep yourself busy in the air and the hours will zip by.
Which airlines fly direct from EWR to Sea-Tac Airport?
Many adventurers like to fly with Alaska Airlines (AS) from Liberty Intl. Airport (EWR) to SEA. This top airline offers 91 flights every month, so you can pick a flight time that's right for you. Operating 91 flights per month along this route, United Airlines (UA) is another good option.
Are Newark Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up a fantastic last-minute deal from Liberty Intl. Airport (EWR) to SEA, but it can also be hit-or-miss. As many airlines publish prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares carrier prices and updates flight deals regularly, so you can rest assured you're always seeing the latest offers.

Explore a world of travel with Expedia

Newark Liberty Intl. Airport Airports

New York

John F. Kennedy Intl. to Seattle
฿7,715.00
*Available to Expedia members.