EWR to SEA from $299 in economy

UAUnited Airlines

Round Trip•Economy

EWR

Newark Liberty Airport

Newark, United States

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$379 USD

-21%$299 USD

Verified 12 days ago

July 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$1,310 6$596 7$448 8$448 9$470 10$470 11$459 12$435 13$435 14$423 15$423 16$455 17$423 18$423 19$333 20$411 21$363 22$387 23$458 24$406 25$406 26$441 27$356 28$356 29$407 30$516 31$457 1$470 2$450

Good Availability

55% of dates checked are available within 10% of the lowest price

Saturday, July 18th, 2026

9 round-trip options

Returning

Thu, Jul 23, 2026•5 Day Trip

$477 USD

Google Flights

Returning

Sat, Jul 25, 2026•7 Day Trip

$532 USD

Google Flights

Returning

Sun, Jul 26, 2026•8 Day Trip

$587 USD

Google Flights

Returning

Mon, Jul 27, 2026•9 Day Trip

$564 USD

Google Flights

Returning

Tue, Jul 28, 2026•10 Day Trip

$423 USD

Google Flights

Returning

Wed, Jul 29, 2026•11 Day Trip

$423 USD

Google Flights

Returning

Thu, Jul 30, 2026•12 Day Trip

$466 USD

Google Flights

Returning

Fri, Jul 31, 2026•13 Day Trip

$511 USD

Google Flights

Returning

Sat, Aug 1, 2026•14 Day Trip

$522 USD

Google Flights

Newark (EWR) to Seattle / Tacoma (SEA) flight deal in economy from $299

Newark Liberty Airport

Seattle–Tacoma International Airport

July 2026

Saturday, July 18th, 2026