$1,184 Cheap Flights from Newark Liberty Intl. Airport (EWR) to Seattle (BFI)

View $1,184 flight on Wed, May 27, 2026Opens in a new window

Popular airlines from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field)

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

Prices were available within the past 7 days and start at $1,184 for one-way flights and $2,477 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, May 24 - Wed, May 27
EWR
New York
BFI
Seattle
$2,477 Roundtrip, found 5 days ago
$2,477
Roundtrip
found 5 days ago
Select United flight, departing Sun, May 24 from New York to Seattle, returning Wed, May 27, priced at $2,477 found 5 days ago
United
Sun, Aug 23 - Sun, Aug 30
EWR
New York
BFI
Seattle
$2,552 Roundtrip, found 4 days ago
$2,552
Roundtrip
found 4 days ago
Select United flight, departing Sun, Aug 23 from New York to Seattle, returning Sun, Aug 30, priced at $2,552 found 4 days ago
United
Fri, Jun 5 - Sun, Jun 7
EWR
New York
BFI
Seattle
$2,735 Roundtrip, found 5 days ago
$2,735
Roundtrip
found 5 days ago
Select United flight, departing Fri, Jun 5 from New York to Seattle, returning Sun, Jun 7, priced at $2,735 found 5 days ago
United
Thu, Sep 3 - Mon, Sep 7
EWR
New York
BFI
Seattle
$2,826 Roundtrip, found 1 day ago
$2,826
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 3 from New York to Seattle, returning Mon, Sep 7, priced at $2,826 found 1 day ago
Alaska Airlines
Fri, May 22 - Mon, May 25
EWR
New York
BFI
Seattle
$2,834 Roundtrip, found 5 days ago
$2,834
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, May 22 from New York to Seattle, returning Mon, May 25, priced at $2,834 found 5 days ago
United
Thu, Sep 3 - Mon, Sep 7
EWR
New York
BFI
Seattle
$2,847 Roundtrip, found 1 day ago
$2,847
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 3 from New York to Seattle, returning Mon, Sep 7, priced at $2,847 found 1 day ago
United
Sat, Aug 1 - Mon, Aug 31
EWR
New York
BFI
Seattle
$2,866 Roundtrip, found 5 days ago
$2,866
Roundtrip
found 5 days ago
Select United flight, departing Sat, Aug 1 from New York to Seattle, returning Mon, Aug 31, priced at $2,866 found 5 days ago
United
Fri, Jun 5 - Sun, Jun 7
EWR
New York
BFI
Seattle
$2,888 Roundtrip, found 9 hours ago
$2,888
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Jun 5 from New York to Seattle, returning Sun, Jun 7, priced at $2,888 found 9 hours ago
United
Tue, May 26 - Sun, May 31
EWR
New York
BFI
Seattle
$2,904 Roundtrip, found 7 hours ago
$2,904
Roundtrip
found 7 hours ago
Select United flight, departing Tue, May 26 from New York to Seattle, returning Sun, May 31, priced at $2,904 found 7 hours ago
United
Fri, Jun 5 - Sun, Jun 7
EWR
New York
BFI
Seattle
$2,920 Roundtrip, found 9 hours ago
$2,920
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Jun 5 from New York to Seattle, returning Sun, Jun 7, priced at $2,920 found 9 hours ago
United
Mon, Jun 1 - Fri, Jun 26
EWR
New York
BFI
Seattle
$2,926 Roundtrip, found 6 days ago
$2,926
Roundtrip
found 6 days ago
Select United flight, departing Mon, Jun 1 from New York to Seattle, returning Fri, Jun 26, priced at $2,926 found 6 days ago
United
Wed, Jun 10 - Tue, Jun 30
EWR
New York
BFI
Seattle
$2,927 Roundtrip, found 15 hours ago
$2,927
Roundtrip
found 15 hours ago
Select United flight, departing Wed, Jun 10 from New York to Seattle, returning Tue, Jun 30, priced at $2,927 found 15 hours ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $407
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $407
Select flight to Snohomish County - Paine Field PAE. Average driving time to city center is 29 minutes. Flights from $658
PAE
Snohomish County - Paine Field
Average driving time to city center29 min
Flights from $658

Frequently asked questions

How much does a flight from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field) cost?
You can find cheap one-way flights and cheap return flights from $2,477 Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field) with Expedia. Return flights often range between $1688 and $1946. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field)?
The cheapest month to fly from EWR to BFI is May when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field)?
Enter EWR to BFI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field)?
Alaska Airlines is one of the cheapest airlines offering connecting flights from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI), with round-trip tickets starting from around $1,688 with a layover in Seattle - Tacoma Intl. (SEA). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field)?
To find a cheap flight from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from EWR to BFI. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field)?
The busiest day for flights from Liberty Intl. (EWR) to Boeing Field (BFI) is a Wednesday, with around 2 flights. This gives you plenty of options for your travel plans. A major airline on this route is Alaska Airlines.
What are the most popular departure times for flights from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field)?
The most popular departure times for flights from Newark Liberty Intl. Airport (EWR) to Seattle (BFI) are from 3pm to 6pm. This accounts for about 100% of total traffic, meaning all flights during this time are well-utilized. Alaska Airlines offers flights during this window. Many travelers prefer this timing as it allows for a leisurely morning before heading to the airport.
Can you fly business or first class from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field)?
Select the "Business class" and "First class" filters when looking for EWR to BFI flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field) flight with Expedia?
It's easy to earn miles on a Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from Liberty Intl. (EWR)?
When traveling from Liberty Intl. (EWR) to Seattle, you can fly into Boeing Field (BFI) and Seattle - Tacoma Intl. (SEA). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field) at the last minute?
Typically, booking a last minute flight from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field) flight and hotel package?
Securing a Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field) Seattle Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field)?
If you booked your Newark Liberty Intl. Airport (EWR) to Seattle, WA (BFI-Boeing Field) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Newark Liberty Intl. Airport
Destination airport
Boeing Field
Roundtrip price
$2,476
Distance
2393 mi

Book with confidence

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 2026. You can also book with separate airlines for your outbound and return journeys, from $1,184 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.

 

Newark Liberty Intl. Airport to Seattle Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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