$81 Cheap Flights from Newark Liberty Intl. Airport (EWR) to Seattle (SEA)

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

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $81 for one-way flights and $190 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Spirit Airlines
Spirit Airlines
United
Hawaiian Airlines
Spirit Airlines
Spirit Airlines
United
Delta
Alaska Airlines
Flights from Newark Liberty Intl. Airport (EWR) to Seattle (SEA)
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
$190
Distance
2394 mi

Newark Liberty Intl. Airport to Seattle Flights

The cheapest times to fly from Newark Liberty Intl. Airport to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Newark Liberty Intl. Airport to Seattle are during the month of May. You can find some of the cheapest flights from Newark Liberty Intl. Airport to Seattle with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Newark Liberty Intl. Airport to Seattle

Sunday is one of the best days to book for cheap flights from Newark Liberty Intl. Airport to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Newark Liberty Intl. Airport to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Newark Liberty Intl. Airport to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $81 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Newark Liberty Intl. Airport to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Newark Liberty Intl. Airport to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How long does it take to fly from Liberty Intl. Airport (EWR) to SEA?
Book a ticket with Alaska Airlines and you can expect to be traveling for about 6 hours and 9 minutes. This top carrier has a direct flight that jets off at 7:14AM from Liberty Intl. Airport (EWR) and touches down at SEA at 10:23AM. Expedia has some epic flight deals, so find out what’s available on this route today.
Is it cheaper to buy a plane ticket from Newark Airport to Seattle - Tacoma Intl. Airport (SEA) last minute?
Booking your flight from EWR to Seattle - Tacoma Intl. Airport (SEA) last minute could save you dollars if you’re lucky enough to find an awesome deal. However, tickets generally don’t get cheaper as the departure date nears. If you choose to wait, flights could also be booked up or the best seats taken. If you’d rather not take any chances, book well in advance of your departure date. Note that some of the biggest deals can be found up to 12 months in advance. If your preferred carrier hasn’t released its fares yet, check back regularly as offers are constantly updated on Expedia.
What airline has the least delays from Newark Airport to Sea-Tac Airport?
Travel with United Airlines from Newark Airport to Sea-Tac Airport and land at the time found on your boarding pass. This airline clinches first place on this route, with an on-time score of 66%. If your flight experiences a delay, the free Expedia App is the best way to stay in the loop. Our useful app provides notifications right when you need them, from flight delays to gate changes and baggage carousel numbers.
What airports do you fly into for Seattle from Newark?
Seattle - Tacoma Intl. Airport (SEA), Renton Municipal Airport (RNT) and Boeing Field Airport (BFI) are your choices when connecting from Newark to Seattle. Approximately 12 mi south of downtown Seattle, Seattle - Tacoma Intl. Airport (SEA) is the city’s major gateway. Consider factors such as flight schedules and the distance to your hotel before you select an airport. Space Needle and Pike Place Market are two leading attractions to add to your must-see list when you arrive at your destination.
What are the most popular departure times for flights from Newark Airport to SEA?
Between 7:00 AM - 8:00 AM is when you’ll find lots of United Airlines flights jetting from EWR to Seattle - Tacoma Intl. Airport (SEA). Want some good advice? Leave in the morning. With air traffic yet to build up, your odds of hopping on a delay-free flight are better.
Can I change the date of my flight from Liberty Intl. Airport (EWR) to Sea-Tac Airport?
We know life happens and plans change, so Expedia is here to help make things as easy as possible. First, access your Liberty Intl. Airport (EWR) to SEA itinerary through the Expedia Trips portal and browse the ticket rules to see if you can make changes. If you booked your airfare in the last 24 hours, some airlines allow you to cancel at no cost and book new flights. If you bought your fare more than 24 hours ago, contact us through our Customer Service portal to find out your options.

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