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

View AU$148 flight on Wed, 22 Oct 2025Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, 31 Oct - Fri, 7 Nov
SEA
Seattle
EWR
New York
AU$296 Return, found 1 day ago
AU$296
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 31 Oct from Seattle to New York, returning Fri, 7 Nov, priced at AU$296 found 1 day ago
Alaska Airlines
Mon, 27 Oct - Tue, 4 Nov
SEA
Seattle
EWR
New York
AU$297 Return, found 2 days ago
AU$297
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 27 Oct from Seattle to New York, returning Tue, 4 Nov, priced at AU$297 found 2 days ago
Alaska Airlines
Mon, 10 Nov - Tue, 18 Nov
SEA
Seattle
EWR
New York
AU$311 Return, found 6 hours ago
AU$311
Return
found 6 hours ago
Select Alaska Airlines flight, departing Mon, 10 Nov from Seattle to New York, returning Tue, 18 Nov, priced at AU$311 found 6 hours ago
Alaska Airlines
Sat, 1 Nov - Sun, 9 Nov
SEA
Seattle
EWR
New York
AU$312 Return, found 2 days ago
AU$312
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 1 Nov from Seattle to New York, returning Sun, 9 Nov, priced at AU$312 found 2 days ago
American Airlines
Mon, 10 Nov - Tue, 18 Nov
SEA
Seattle
EWR
New York
AU$325 Return, found 6 hours ago
AU$325
Return
found 6 hours ago
Select American Airlines flight, departing Mon, 10 Nov from Seattle to New York, returning Tue, 18 Nov, priced at AU$325 found 6 hours ago
Alaska Airlines
Fri, 31 Oct - Fri, 7 Nov
SEA
Seattle
EWR
New York
AU$326 Return, found 1 day ago
AU$326
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 31 Oct from Seattle to New York, returning Fri, 7 Nov, priced at AU$326 found 1 day ago
Alaska Airlines
Sat, 18 Oct - Wed, 22 Oct
SEA
Seattle
EWR
New York
AU$327 Return, found 2 days ago
AU$327
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 18 Oct from Seattle to New York, returning Wed, 22 Oct, priced at AU$327 found 2 days ago
Delta
Mon, 27 Oct - Tue, 4 Nov
SEA
Seattle
EWR
New York
AU$328 Return, found 2 days ago
AU$328
Return
found 2 days ago
Select Delta flight, departing Mon, 27 Oct from Seattle to New York, returning Tue, 4 Nov, priced at AU$328 found 2 days ago
Delta
Mon, 10 Nov - Tue, 18 Nov
SEA
Seattle
EWR
New York
AU$341 Return, found 6 hours ago
AU$341
Return
found 6 hours ago
Select Delta flight, departing Mon, 10 Nov from Seattle to New York, returning Tue, 18 Nov, priced at AU$341 found 6 hours ago
United
Thu, 23 Oct - Wed, 29 Oct
SEA
Seattle
EWR
New York
AU$375 Return, found 6 days ago
AU$375
Return
found 6 days ago
Select United flight, departing Thu, 23 Oct from Seattle to New York, returning Wed, 29 Oct, priced at AU$375 found 6 days ago

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

March is typically the cheapest month to fly

From AU$243 - AU$564 per traveller.
Flight from Seattle to Newark Liberty Intl. Airport route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Newark Liberty Intl. Airport
Return price
AU$295
Distance
3831 km
Average flight time
8 hours 24 mins

Your quick guide to flights from Seattle to Newark Liberty Intl. Airport

Pick up great flights from Seattle to Newark Liberty Intl. Airport

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Seattle to Newark Liberty Intl. Airport. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seattle to Newark Liberty Intl. Airport that take around hours.

Find cheap flights from Seattle to Newark Liberty Intl. Airport

From the great flight deals with prices currently ranging from AU$296 to AU$375, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seattle to Newark Liberty Intl. Airport around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Newark Liberty Intl. Airport is normally in October.

Reasons to book your flight from Seattle to Newark Liberty Intl. Airport with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seattle to Newark Liberty Intl. Airport across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Newark Liberty Intl. Airport right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Newark Airport?
Round-trip journeys from Seattle - Tacoma Intl. Airport (SEA) to EWR start from AU$296. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book today 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 Newark Airport?
We get that life can throw the odd curveball, so we've made it as easy as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Sea-Tac Airport to Liberty Intl. Airport (EWR) 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 Sea-Tac Airport to Liberty Intl. Airport (EWR) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to Newark Airport?
Around 3 900 kilometres separates SeaTac and Newark, so pack something to help you while away a couple of hours. That novel you haven't finished will be perfect.
Which airlines fly direct from SEA to EWR?
Many adventurers like to fly with Alaska Airlines (AS) from Sea-Tac Airport to Newark Airport. This popular airline offers 91 monthly flights, so you can easily find a flight time that's perfect for you. You could also have a look at the fares on offer with United Airlines (UA). It operates 91 monthly flights between SeaTac and Newark.
Are Seattle - Tacoma Intl. Airport (SEA) to EWR flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so not always. While last-minute flight deals between Seattle - Tacoma Intl. Airport (SEA) and EWR are of course possible, it also makes sense to keep track of prices well before you fly. In fact, some airlines announce their prices up to 12 months ahead of the departure date. Expedia is continuously updating the biggest airfare bargains around, so keep checking back and be ready to secure your seat when the price dips.

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