Newark (EWR) to Seattle / Tacoma (SEA) flight deal from $217 USD in economy class

ASAlaska Airlines, Inc.

Round Trip•Economy

EWR

Newark Liberty Airport

Newark, United States

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$400 USD

-46%$217 USD

Verified Nov 14, 2025 at 7:53 PM

December 2025

Today

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1$402 2$287 3$237 4$237 5$227 6$227 7$262 8$237 9$237 10$237 11$252 12$252 13$302 14$302 15$302 16$302 17$253 18$501 19$572 20$652 21$572 22$572 23$572 24$608 25$417 26$487 27$642 28$562 29$487 30$417 31$397 1 2 3 4

Limited Availability

11% of dates checked are available within 10% of the lowest price

Wednesday, December 24th, 2025

10 round-trip options

Returning

Mon, Dec 29, 2025•5 Day Trip

$762 USD

Google Flights

Returning

Tue, Dec 30, 2025•6 Day Trip

$757 USD

Google Flights

Returning

Wed, Dec 31, 2025•7 Day Trip

$612 USD

Google Flights

Returning

Thu, Jan 1, 2026•8 Day Trip

$712 USD

Google Flights

Returning

Fri, Jan 2, 2026•9 Day Trip

$762 USD

Google Flights

Returning

Sat, Jan 3, 2026•10 Day Trip

$837 USD

Google Flights

Returning

Sun, Jan 4, 2026•11 Day Trip

$682 USD

Google Flights

Returning

Mon, Jan 5, 2026•12 Day Trip

$608 USD

Google Flights

Returning

Tue, Jan 6, 2026•13 Day Trip

$608 USD

Google Flights

Returning

Wed, Jan 7, 2026•14 Day Trip

$662 USD

Google Flights