SEA to EWR from $299 in economy

UAUnited Airlines

Round Trip•Economy

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

EWR

Newark Liberty Airport

Newark, United States

$378 USD

-21%$299 USD

Verified 13 days ago

July 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$517 6$550 7$572 8$450 9$472 10$472 11$461 12$437 13$437 14$437 15$470 16$480 17$499 18$520 19$575 20$420 21$377 22$377 23$420 24$422 25$520 26$575 27$505 28$319 29$319 30$362 31$407 1$417 2$473

Good Availability

54% 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

$622 USD

Google Flights

Returning

Fri, Jul 24, 2026•6 Day Trip

$570 USD

Google Flights

Returning

Sat, Jul 25, 2026•7 Day Trip

$570 USD

Google Flights

Returning

Sun, Jul 26, 2026•8 Day Trip

$605 USD

Google Flights

Returning

Mon, Jul 27, 2026•9 Day Trip

$520 USD

Google Flights

Returning

Tue, Jul 28, 2026•10 Day Trip

$520 USD

Google Flights

Returning

Wed, Jul 29, 2026•11 Day Trip

$562 USD

Google Flights

Returning

Thu, Jul 30, 2026•12 Day Trip

$680 USD

Google Flights

Returning

Sat, Aug 1, 2026•14 Day Trip

$605 USD

Google Flights

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

Seattle–Tacoma International Airport

Newark Liberty Airport

July 2026

Saturday, July 18th, 2026