$100 Cheap Flights from Seattle (SEA) to Newark Liberty Intl. Airport (EWR)

Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $100 for one-way flights and $190 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Spirit Airlines
United
Spirit Airlines
Delta
Spirit Airlines
Alaska Airlines
Alaska Airlines
American Airlines

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR) cost?
Find cheap return tickets from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR) starting at $237. Grab your seat and get ready for takeoff. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving SEA on May 5 2025 and touching down at EWR. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from SEA to EWR?
The cheapest flights from SEA to EWR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR)?
Catch a direct flight with United Airlines and travel straight from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR).
What is the cheapest airline that flies from SEA to EWR?
With tickets starting at $110 for a one-way flight from SEA to EWR, United is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SEA on July 4 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR)?
Daily, an average of 3 nonstop flights take off from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR). Choose the departure time that best suits your plans.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR)?
More travelers fly between SEA and EWR at 7 AM than at any other point in the day. Looking to skip the crowds? Consider flying outside peak hours and it’s possible you’ll save on your ticket as well.
What day of the week has the most flights from SEA to EWR?
If you fly on a Friday, you’ll get the biggest range of choices for flights from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR).
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR)?
Seattle - Tacoma Intl. Airport (SEA)’s earliest flight to Liberty Intl. Airport (EWR) leaves at approximately 6:04AM UTC-8. With a travel duration of 5h 25m, you’ll arrive at around 2:29PM UTC-5.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR)?
Flights from SEA to EWR have an average travel time of 5 hours and 14 minutes. The distance between these two airports is 2,400 mi.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR)?
Select a flight from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Newark from Seattle - Tacoma Intl. Airport (SEA)?
Take a direct flight from Seattle - Tacoma Intl. Airport (SEA) to Newark and touch down at Liberty Intl. Airport (EWR). Another arrival point to the city is John F. Kennedy Intl. Airport (JFK).
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR) last-minute?
Booking your flight from SEA to EWR just before your journey is typically more expensive. But if you’re flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a SEA to EWR flight and hotel package?
Compared with arranging flights and hotels separately, booking a SEA to EWR flight and hotel package with Expedia could result in significant savings. What’s more, having it all in one place takes the hassle out of planning your trip. Just secure your flights and choose from our wide range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Liberty Intl. Airport (EWR)?
In most cases, you can modify or cancel your SEA to EWR flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline’s fees and guidelines on flight changes, or if you want further details, visit our Customer Service portal.
*Available to One Key members.