Toronto (YTZ) to Seattle / Tacoma (SEA) cheap flight deal from $230 USD in economy class

ACAir Canada

Round Trip•Economy

YTZ

Billy Bishop Toronto City Airport

Toronto, Canada

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$424 USD

-46%$230 USD

Verified Sep 22, 2025 at 3:03 AM

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$525 30$517 1$478 2$478 3$509 4$478 5$372 6$333 7$333 8$372 9$372 10$398 11$372 12$341 13$341 14$269 15$269 16$277 17$277 18$269 19$277 20$277 21$277 22$269 23$285 24$285 25$238 26$313 27$287 28$284 29$284 30$306 31$303 1 2

Limited Availability

12% of dates checked are available within 10% of the lowest price

Thursday, October 23rd, 2025

10 round-trip options

Returning

Tue, Oct 28, 2025•5 Day Trip

$304 USD

Google Flights

Returning

Wed, Oct 29, 2025•6 Day Trip

$310 USD

Google Flights

Returning

Thu, Oct 30, 2025•7 Day Trip

$332 USD

Google Flights

Returning

Fri, Oct 31, 2025•8 Day Trip

$377 USD

Google Flights

Returning

Sat, Nov 1, 2025•9 Day Trip

$325 USD

Google Flights

Returning

Sun, Nov 2, 2025•10 Day Trip

$285 USD

Google Flights

Returning

Mon, Nov 3, 2025•11 Day Trip

$285 USD

Google Flights

Returning

Tue, Nov 4, 2025•12 Day Trip

$311 USD

Google Flights

Returning

Wed, Nov 5, 2025•13 Day Trip

$310 USD

Google Flights

Returning

Thu, Nov 6, 2025•14 Day Trip

$318 USD

Google Flights