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

View CA $121 flight on Tue, Oct. 7, 2025Opens in a new window

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

  • 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 30% 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 Seattle (SEA) to Newark Liberty Intl. Airport (EWR)

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
Tue, Oct. 7 - Tue, Oct. 28
SEA
Seattle
EWR
New York
CA $242 Roundtrip, found 6 days ago
CA $242
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Oct. 7 from Seattle to New York, returning Tue, Oct. 28, priced at CA $242 found 6 days ago
Alaska Airlines
Tue, Oct. 7 - Tue, Oct. 28
SEA
Seattle
EWR
New York
CA $255 Roundtrip, found 6 days ago
CA $255
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Oct. 7 from Seattle to New York, returning Tue, Oct. 28, priced at CA $255 found 6 days ago
American Airlines
Tue, Oct. 7 - Tue, Oct. 28
SEA
Seattle
EWR
New York
CA $257 Roundtrip, found 6 days ago
CA $257
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Oct. 7 from Seattle to New York, returning Tue, Oct. 28, priced at CA $257 found 6 days ago
Alaska Airlines
Tue, Oct. 7 - Tue, Oct. 28
SEA
Seattle
EWR
New York
CA $268 Roundtrip, found 6 days ago
CA $268
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Tue, Oct. 7 from Seattle to New York, returning Tue, Oct. 28, priced at CA $268 found 6 days ago
American Airlines
Tue, Oct. 7 - Tue, Oct. 28
SEA
Seattle
EWR
New York
CA $268 Roundtrip, found 6 days ago
CA $268
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Oct. 7 from Seattle to New York, returning Tue, Oct. 28, priced at CA $268 found 6 days ago
American Airlines
Tue, Oct. 7 - Tue, Oct. 28
SEA
Seattle
EWR
New York
CA $270 Roundtrip, found 6 days ago
CA $270
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Oct. 7 from Seattle to New York, returning Tue, Oct. 28, priced at CA $270 found 6 days ago
Hawaiian Airlines
Thu, Sep. 25 - Tue, Sep. 30
SEA
Seattle
EWR
New York
CA $283 Roundtrip, found 6 days ago
CA $283
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Thu, Sep. 25 from Seattle to New York, returning Tue, Sep. 30, priced at CA $283 found 6 days ago
American Airlines
Mon, Sep. 15 - Mon, Sep. 22
SEA
Seattle
EWR
New York
CA $285 Roundtrip, found 6 days ago
CA $285
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Sep. 15 from Seattle to New York, returning Mon, Sep. 22, priced at CA $285 found 6 days ago
Delta
Sat, Sep. 6 - Tue, Sep. 16
SEA
Seattle
EWR
New York
CA $349 Roundtrip, found 2 days ago
CA $349
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Sep. 6 from Seattle to New York, returning Tue, Sep. 16, priced at CA $349 found 2 days ago
United
Tue, Aug. 26 - Mon, Sep. 1
SEA
Seattle
EWR
New York
CA $451 Roundtrip, found 19 hours ago
CA $451
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Aug. 26 from Seattle to New York, returning Mon, Sep. 1, priced at CA $451 found 19 hours ago

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

October is typically the cheapest month to fly

From CA $192 - CA $363 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to Newark Liberty Intl. Airport (SEA - EWR) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Newark Liberty Intl. Airport
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
9 hours 3 mins

Seattle to Newark Flights

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

With Expedia, it’s simple to find and book flights to Newark Liberty Intl. Airport from Seattle 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, Alaska Airlines, Hawaiian Airlines, Air Tahiti Nui, Korean Air, TAP Air Portugal, United Airlines, Singapore Airlines nonstop flights to Newark Liberty Intl. Airport, 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 Seattle to Newark Liberty Intl. Airport today, tomorrow, or this week.  

 

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

Sort your search results by price to find great deals on your flight from Seattle to Newark Liberty Intl. Airport—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Newark Liberty Intl. Airport from Seattle currently is just CA $242 rising to CA $451.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Newark Liberty Intl. Airport  
  • 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 Newark Liberty Intl. Airport from Seattle 

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 Newark Liberty Intl. Airport with Expedia today.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Newark Airport?
Round-trip flights between Sea-Tac Airport and Newark Airport start from CA $242. This is based on fares available within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR)?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Newark Airport that have flexible change policies?
Plenty of airlines offer the option to reschedule your flight without charging a fee. All you pay is the difference in the ticket price. When searching for SEA to Liberty Intl. Airport (EWR) flights, you'll find a "No change fees" box for you to pick.
How many hours is the flight from Sea-Tac Airport to Newark Airport?
It takes about 5 hours and 14 minutes to fly from Sea-Tac Airport to Newark Airport. But with a solid playlist and a magazine or two, the hours will pass by quicker.
How far is the flight from Sea-Tac Airport to EWR?
The flying distance between SEA and EWR is 3,900 kilometres. Squeeze in a nap or finish that novel and the journey will zip by.
Which airlines fly direct from Sea-Tac Airport to Newark Airport?
Many travellers like to fly with United Airlines (UA) from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR). It offers 60 flights every month, so you can easily find a flight time that's perfect for you. After more options? Check out the seats available with Alaska Airlines (AS). This carrier offers 47 flights a month between these airports.
Are Sea-Tac Airport to Newark Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes pick up a bargain, with some of the cheapest fares from Sea-Tac Airport to Liberty Intl. Airport (EWR) showing up a few weeks before the date of departure. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals regularly — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines advertise prices so far in advance.

Explore a world of travel with Expedia

Newark Liberty Intl. Airport nearby Airports

New York

Seattle to LaGuardia
CA $257.20
Seattle to John F. Kennedy Intl.
CA $279.80
Seattle nearby Airports

Seattle Paine Field Intl. Airport

*Available to Expedia members.