Toronto (YTZ) to Seattle / Tacoma (SEA) flight deal from $289 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

$487 USD

-41%$289 USD

Verified Apr 7, 2026 at 6:47 PM

April 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30 31 1 2 3 4 5 6 7$684 8$710 9$645 10$684 11$645 12$722 13$743 14$609 15$695 16$747 17$703 18$473 19$560 20$412 21$537 22$567 23$592 24$443 25$322 26$515 27$390 28$537 29$674 30$382 1$322 2$322 3$303

Extremely Rare Availability

2% of dates checked are available within 10% of the lowest price

Thursday, April 16th, 2026

10 round-trip options

Returning

Tue, Apr 21, 2026•5 Day Trip

$747 USD

Google Flights

Returning

Wed, Apr 22, 2026•6 Day Trip

$920 USD

Google Flights

Returning

Thu, Apr 23, 2026•7 Day Trip

$938 USD

Google Flights

Returning

Fri, Apr 24, 2026•8 Day Trip

$973 USD

Google Flights

Returning

Sat, Apr 25, 2026•9 Day Trip

$890 USD

Google Flights

Returning

Sun, Apr 26, 2026•10 Day Trip

$882 USD

Google Flights

Returning

Mon, Apr 27, 2026•11 Day Trip

$783 USD

Google Flights

Returning

Tue, Apr 28, 2026•12 Day Trip

$750 USD

Google Flights

Returning

Wed, Apr 29, 2026•13 Day Trip

$750 USD

Google Flights

Returning

Thu, Apr 30, 2026•14 Day Trip

$861 USD

Google Flights