$168 Cheap Flights from Seattle (SEA) to Newark Liberty Intl. Airport (EWR)

Seattle (SEA) to Newark (EWR) at a glance

Embark on your journey from Seattle (SEA) to Newark (EWR) with a selection of airlines providing options for this domestic long-haul route. Explore various fare flights from Seattle to Newark, whether you're looking for the cheapest flights from Seattle or prefer a full-service experience. Compare the itineraries that align with your budget and schedule as you prepare to discover Newark's renowned attractions and neighborhoods. Get ready for flights from Seattle-Tacoma International Airport to Newark Liberty International Airport.

• Fastest flight duration: around 5h 15m non-stop
• Route distance: roughly 2,400 miles (3,860 km)
• Flights per week: around 50+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $100–$410, depending on seasonality and how far ahead you book

Flights from Seattle - Tacoma International Airport (SEA) to Newark Liberty International Airport (EWR)

Based on the latest traveler bookings, here are the top airlines favored for flights from Seattle to Newark, specifically for non-stop and one-stop options. Popular layover points include O'Hare International Airport (ORD) with a 1-hour 15-minute layover, Washington Dulles International Airport (IAD) offering a 1-hour 30-minute layover, and Denver International Airport (DEN), also with a 1-hour 15-minute layover. These choices provide the flexibility to balance price, travel time, and cabin class for your ideal itinerary.

• United: This full-service airline provides both non-stop and one-stop options, with one-way ticket prices generally falling between $100 and $455. United operates around 45% of departures for this route, with a standard non-stop flight duration of 5 hours and 15 minutes.
• Alaska Airlines: As a full-service carrier, Alaska Airlines offers non-stop and one-stop flights, with one-way fares typically ranging from $110 to $475. This airline accounts for about 41% of departures on this route, featuring a usual non-stop travel time of 5 hours and 15 minutes.
• American Airlines: Offering both non-stop and one-stop services, this full-service carrier has one-way fares that usually range from $105 to $650. It comprises approximately 7% of departures on this route, with a typical one-stop flight time of 6 hours and 30 minutes, leading to a total travel duration of around 7 hours and 45 minutes.
• Delta: A full-service airline that provides one-stop service, Delta's one-way fares typically vary from $120 to $410. It accounts for roughly 6% of departures on this route, with an in-flight duration of 6 hours and 30 minutes, culminating in a total journey time of about 7 hours and 45 minutes, including layover time.
• Hawaiian Airlines: This full-service carrier specializes in non-stop flights, offering one-way fares that usually range from $120 to $545. Hawaiian Airlines represents about 2% of departures on this route, with a complete journey time of 5 hours and 15 minutes.

Travelers have the option to upgrade their flight from Seattle to Newark. Leading airlines include Alaska Airlines, which provides first class and business class, United Airlines with its first class and premium economy class, and American Airlines offering first class service.

Best time to fly from Seattle (SEA) to Newark (EWR)

The most popular months for travelers flying from Seattle to Newark are March, April, and August, when peak temperatures in Newark reach up to 75.4°F in August. If you prefer quieter travel, consider February, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 33.1°F. For better deals, October usually offers the lowest average one-way fare around $199. Flight availability peaks in August, with approximately 87 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: October usually offers good deals with average one-way fare around $199, roughly 16% cheaper than the yearly average.
• More budget-friendly months to fly: January and September typically offer average one-way fares of around $221.
• Most flight options: August has the highest number of flights from Seattle to Newark, with approximately 87 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Seattle (SEA) to Newark (EWR)

• Seattle to New York (SEA-JFK): John F. Kennedy International Airport (JFK) is located approximately 21 miles from Newark Liberty International Airport (EWR). One-way economy prices for this journey generally fall between $105 and $450, influenced by the season and how far in advance you book. Passengers can choose from both direct and connecting flights on this route. Major airlines offering services here include Alaska Airlines and Delta. Additionally, there are options for business and first-class travel available.

How to find the best prices for flights from Seattle (SEA) to Newark (EWR)

Getting some of the best deals on flights from Seattle to Newark is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are generally available when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures between 5 am and 12 pm tend to be less expensive and are also the most sought-after flight times. Additionally, flying on Friday not only offers lower prices but is also the most popular travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Newark Liberty International Airport from Seattle - Tacoma International Airport

Newark welcomes travelers from Seattle with a range of transport options based on price, convenience, and proximity. For departures, Seattle - Tacoma International Airport is roughly a 20-minute drive (covering about 14 miles) from central Seattle. Here's how to reach Newark efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Newark, with private rides that can be arranged in advance.
• Car rental: Renting a car from Newark Liberty International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Newark Liberty International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Newark Liberty International Airport, Newark Liberty Airport Station (a train station) is located about 0.6 miles away on foot, while Military Park Station (a metro station) and Newark Seaport (a seaport) are both approximately 3.6 miles away by car, providing convenient access to public transport and maritime services.

Seattle to Newark Liberty Intl. Airport Flights

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

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 Seattle to Newark Liberty Intl. Airport are during the month of January. You can find some of the cheapest flights from Seattle to Newark Liberty Intl. Airport with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from Seattle to Newark Liberty Intl. Airport: 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 Seattle to Newark Liberty Intl. Airport

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 Seattle to Newark Liberty Intl. Airport in 2026. You can also book with separate airlines for your outbound and return journeys, from $168 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 Seattle to Newark Liberty Intl. Airport 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 Seattle to Newark Liberty Intl. Airport 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.