Flights from Toronto, Canada to Seattle, WA
Fly2Any tracks the YYZ to SEA route, but current fare coverage is limited. A typical trip takes about 4h 37m.Live fare and carrier claims are withheld until observed route data is available.
Origin airport
Toronto Pearson International
Open the airport hub for outbound routes, linked corridors, and planning pages.
Destination airport
Seattle-Tacoma International
Use the destination airport page to compare inbound route coverage and nearby hubs.
Corridor hub
Open the north america corridor
Keep this route connected to its wider market cluster instead of treating it as a standalone page.
Find the Best Fares for YYZ→SEA
Compare live flight options — live prices, flexible dates, free cancellation options
About Flights from Toronto, Canada to Seattle, WA
Looking for cheap flights from Toronto, Canada (YYZ) to Seattle, WA (SEA)? You've come to the right place. Fly2Any compares prices from over 900 airlines to help you find the best deals on this popular route.
Flight Information
The great-circle distance from YYZ to SEA is about 2055 miles, which suggests a nonstop flight time around 4h 37m. Actual schedules, elapsed travel time, and connection patterns must be validated in live search before booking.
Toronto, Canada to Seattle, WA: route at a glance
- Distance band: Medium-haul — a medium-length route where fares and schedules can vary a lot by day of week — comparing dates pays off.
- Direction of travel: roughly west (SEA lies west of YYZ on the great-circle path).
- Time difference: Seattle is about 3 hours behind Toronto.
Planning guidance computed by Fly2Any Travel Research from airport coordinates and time zones. Confirm live schedules and elapsed travel time in search before booking.
Best Time to Book
For the best prices on YYZ to SEA flights, we recommend booking 2-3 months in advance. Prices tend to be lowest for mid-week departures (Tuesday and Wednesday). Use our Price Calendar feature to compare prices across different dates and find the cheapest options.
Route planning data last updated: August 2026
Frequently Asked Questions — YYZ to SEA Flights
How long is the flight from Toronto, Canada to Seattle, WA?
Direct flights from Toronto, Canada (YYZ) to Seattle, WA (SEA) take approximately 4h 37m. Connecting flights may add 2-4 hours depending on layover location. For the fastest journey, look for nonstop flights which are typically available on this popular route.
When is the best time to book YYZ to SEA flights?
The best booking window for YYZ to SEA flights depends on route demand, cabin, inventory, fare rules, and season. Domestic routes often price differently in off-peak months, but live fare checks are required before booking. Monitor prices early, compare flexible dates, and validate the live total before payment.
What are the cheapest days to fly from Toronto, Canada to Seattle, WA?
The cheapest days to fly from Toronto, Canada to Seattle, WA change with live demand, holidays, seat inventory, and fare rules. Use flexible-date search for the YYZ to SEA route and compare the final customer-facing total before booking.
Which airlines fly from YYZ to SEA?
Multiple airlines serve the YYZ to SEA route. Compare prices across all carriers using Fly2Any to find the best combination of price, timing, and amenities.
What is the cheapest month to fly from Toronto, Canada to Seattle, WA?
Lower-fare months for YYZ to SEA can include January, February, September, but this is planning guidance, not a live fare guarantee. Domestic routes often price differently in off-peak months, but live fare checks are required before booking. Use Fly2Any price alerts and live search before booking.
What is the baggage allowance for YYZ to SEA flights?
Baggage allowances vary by airline and fare class. Most full-service carriers include one checked bag (up to 50 lbs) on this route. Budget carriers usually charge extra for checked bags. All airlines allow one personal item free. Compare total costs including baggage fees when booking to get the best deal.
Are there direct flights from Toronto, Canada to Seattle, WA?
Yes, several airlines offer nonstop flights from YYZ to SEA. Direct flights take approximately 4h 37m. If you're flexible with your schedule, connecting flights through major hubs like ATL or ORD may offer lower prices.
How much do flights from Toronto, Canada to Seattle, WA cost?
Economy roundtrip prices for YYZ to SEA vary depending on when you book, your travel dates, and the season. Use Fly2Any to compare all airlines and find current deals. Setting a price alert ensures you never miss a fare drop.
More Flights from Toronto, Canada & to Seattle, WA
Compare prices on similar routes — all searched live across live flight options.
Next best path
Continue YYZ to SEA inside the right market hub
Route discovery performs best when it connects into a stronger market cluster. Use the most relevant Fly2Any hubs below to keep moving into corridor guides, comparison pages, and booking decisions.
North America Consolidation
The owned US + Canada layer that routes travelers into the right departure system, corridor page, and booking decision path.
Use this to connect US and Canada into one explicit authority surface.
Open hubUS Dominance
The primary English market where Fly2Any should keep compounding departure hubs, destination-intent pages, and booking decisions.
The biggest share of effort stays here.
Open hubCanada English
Toronto, Vancouver, and Montreal form the cleanest next English expansion after the United States.
Expand with English-language authority before new locale complexity.
Open hubReady to Book Your Flight?
Search now and compare prices from live flight options
Find Flights YYZ → SEA