YYZ to SEA

Toronto to Seattle flight ticket price

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

YYZ
Toronto (YYZ), CanadaLester B. Pearson International
SEA
Seattle (SEA), United StatesSeattle/tacoma International
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Live fares from the airlines No hidden charges Free cancellation window 24×7 booking support
Cheapest fareC$388Delta Air Lines
Fastest5h 22mgate to gate
Options today155flights on this route

Live flights for Thu, 06 Aug 2026

Review fares, stops, timings and baggage. Use Search or View all flights for the complete search result.

Showing flight options for the selected travel date.
Currency: CAD
Thu, 06 AugYYZ to SEAC$388 Fri, 07 AugYYZ to SEA Sat, 08 AugYYZ to SEA Sun, 09 AugYYZ to SEA Mon, 10 AugYYZ to SEA Tue, 11 AugYYZ to SEA Wed, 12 AugYYZ to SEA
Sort By:DepartureDurationArrivalPrice
Delta Air Lines
Delta Air Lines
DL-2662
06:00
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
11H :45 M
1 Stop
ATL · 4h 13mAtlanta (ATL), United States
14:45
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$388
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-2662
06:00
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
13H :00 M
1 Stop
ATL · 5h 29mAtlanta (ATL), United States
16:00
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$388
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Air Canada
Air Canada
AC-1942
16:05
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
9H :37 M
2 Stops
YOW · 0h 55mOttawa (YOW), Canada
YVR · 1h 11mVancouver (YVR), Canada
22:42
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$418
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
United Airlines
United Airlines
UA-1345
06:10
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
18H :08 M
1 Stop
IAH · 9h 38mHouston (IAH), United States
21:18
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$427
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
United Airlines
United Airlines
UA-1345
06:10
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
19H :32 M
1 Stop
IAH · 11h 03mHouston (IAH), United States
22:42
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$427
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
Air Canada
Air Canada
AC-119
16:20
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
9H :22 M
1 Stop
YVR · 3h 08mVancouver (YVR), Canada
22:42
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$443
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 Pieces
United Airlines
United Airlines
UA-1345
06:10
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
16H :02 M
1 Stop
IAH · 7h 33mHouston (IAH), United States
19:12
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$458
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
United Airlines
United Airlines
UA-763
08:50
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
17H :06 M
1 Stop
ORD · 10h 15mChicago (ORD), United States
22:56
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$458
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
United Airlines
United Airlines
UA-3617
10:15
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
15H :41 M
1 Stop
ORD · 8h 44mChicago (ORD), United States
22:56
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$458
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
United Airlines
United Airlines
UA-1334
11:00
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
14H :56 M
1 Stop
ORD · 8h 05mChicago (ORD), United States
22:56
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$458
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
United Airlines
United Airlines
UA-3605
13:00
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
12H :56 M
1 Stop
ORD · 5h 59mChicago (ORD), United States
22:56
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$458
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
United Airlines
United Airlines
UA-6019
14:45
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
11H :11 M
1 Stop
ORD · 4h 15mChicago (ORD), United States
22:56
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$458
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
Delta Air Lines
Delta Air Lines
DL-2468
17:50
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
9H :09 M
1 Stop
SLC · 2h 35mSalt Lake City (SLC), United States
23:59
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$461
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Air Canada
Air Canada
AC-111
12:00
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
9H :32 M
1 Stop
YVR · 3h 18mVancouver (YVR), Canada
18:32
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$472
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 Pieces
Air Canada
Air Canada
AC-131
21:40
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
15H :25 M
1 Stop
YVR · 9h 30mVancouver (YVR), Canada
10:05
2026-08-07
SEATTLE (SEA)United StatesSeattle/tacoma International
C$489
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 Pieces
United Airlines
United Airlines
UA-8533
08:05
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
17H :51 M
1 Stop
ORD · 11h 05mChicago (ORD), United States
22:56
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$510
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-8694
12:25
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
13H :31 M
1 Stop
ORD · 6h 43mChicago (ORD), United States
22:56
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$510
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-8307
14:00
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
11H :56 M
1 Stop
ORD · 5h 10mChicago (ORD), United States
22:56
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$510
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1345
06:10
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
18H :49 M
2 Stops
IAH · 6h 02mHouston (IAH), United States
LAX · 2h 40mLos Angeles (LAX), United States
21:59
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$514
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
United Airlines
United Airlines
UA-2145
07:00
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
15H :06 M
1 Stop
ORD · 8h 20mChicago (ORD), United States
19:06
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$514
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
United Airlines
United Airlines
UA-763
08:50
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
13H :16 M
1 Stop
ORD · 6h 30mChicago (ORD), United States
19:06
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$514
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
United Airlines
United Airlines
UA-3617
10:15
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
11H :51 M
1 Stop
ORD · 4h 59mChicago (ORD), United States
19:06
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$514
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces

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United Airlines
United Airlines
UA-1334
11:00
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
11H :06 M
1 Stop
ORD · 4h 20mChicago (ORD), United States
19:06
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$514
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
United Airlines
United Airlines
UA-568
16:18
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
18H :42 M
1 Stop
DEN · 11h 57mDenver (DEN), United States
08:00
2026-08-07
SEATTLE (SEA)United StatesSeattle/tacoma International
C$514
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
Air Canada
Air Canada
AC-101
06:00
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
15H :32 M
1 Stop
YVR · 9h 14mVancouver (YVR), Canada
18:32
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$532
total fare
Non Refundable 5 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
Air Canada
Air Canada
AC-185
08:00
2026-08-06
Toronto (YYZ)CanadaLester B. Pearson International
13H :32 M
1 Stop
YVR · 7h 30mVancouver (YVR), Canada
18:32
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
C$532
total fare
Non Refundable 5 Seat Left Economy
Check-in: 0 PiecesCabin: 0 Pieces
No flights match the selected filters. Clear filters or open full search.

Fare highlights

Selected flight highlights for 06 Aug 2026.

Open full search
Lowest fare C$388 Delta Air Lines 06:00
Earliest departure C$388 Delta Air Lines 06:00
Shortest duration C$662 Air Canada 18:45
Night 00:00-05:59 No option Open full search for more
Morning 06:00-11:59 C$388 Delta Air Lines at 06:00
Afternoon 12:00-17:59 C$418 Air Canada at 16:05
Evening 18:00-23:59 C$489 Air Canada at 21:40

Toronto to Seattle route details

Toronto (YYZ)

Lester B. Pearson International

Canada

GMT -5

Latitude: 43.6772003174

Longitude: -79.63059997559999

Seattle (SEA)

Seattle/tacoma International

United States

GMT -8

Latitude: 47.449001

Longitude: -122.308998

Distance: Toronto (YYZ), Canada to Seattle (SEA), United States - 3,306.64 km
Flights shown for 06 Aug 2026. View all flights opens the complete search result.

Toronto to Seattle - what to expect when booking

The YYZ to SEA cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 3,306.64 km.

Before you book

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Book Cheapest Flight from Toronto to Seattle on FlyX

Securing the best airfare from Toronto to Seattle is all about planning. FlyX's real-time fare tracking system allows you to check flight options and lock in the lowest ticket prices before they rise:

  • Book at least 3-4 weeks in advance to secure the most competitive Toronto to Seattle airfares.
  • Consider traveling mid-week (Tuesdays or Wednesdays) to bypass weekend pricing surges.
  • Early morning or late-night departure flights consistently offer lower fares than afternoon slots.
  • Use our live calendar view above to easily spot fare changes on nearby dates.

Find the Lowest airfare from Toronto to Seattle

Cheapest Fare Fare Date Airline Departure
Lowest Airfare Today C$388 06/08/2026 Delta Air Lines 06:00
Cheapest Airfare Within 30 Days C$380 14/08/2026 Delta Air Lines 06:00
Cheapest Airfare Within 90 Days C$368 13/10/2026 Delta Air Lines 06:00

Book Toronto to Seattle Flight Tickets on FlyX

Planning to fly from Toronto to Seattle? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.

Toronto to Seattle Flight Distance, Duration and Time

The aerial distance between Toronto and Seattle is approximately 3,307 KM. The flight duration ranges from 5H :22 M up to 21H :20 M depending on whether you book a non-stop flight or a connecting schedule with layovers.

Toronto to Seattle Flight Schedule and Timing

Around 155 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from Toronto at 06:00, while the last night flight leaves at 22:40. Flights depart from Lester B. Pearson International and land at Seattle/tacoma International.

Flight Route Details & Analysis

Flight Details Information
Route Toronto to Seattle
Aerial Distance 3,307 KM
Flight Duration 5H :22 M - 21H :20 M
Airport Codes Toronto - YYZ, Seattle - SEA
Total Flights Available 155 flights (3 direct)
First Flight Departure Departs at 06:00
Last Flight Departure Departs at 22:40
Early Morning Flights (12 AM - 8 AM) 30 direct/indirect flights
Morning Flights (8 AM - 12 PM) 48 direct/indirect flights
Afternoon Flights (12 PM - 4 PM) 45 direct/indirect flights
Evening Flights (4 PM - 8 PM) 28 direct/indirect flights
Night Flights (8 PM - 12 AM) 4 direct/indirect flights

Airport Information & Terminals

YYZ: Toronto Pearson International Airport. Pearson sits outside downtown. UP Express is often the fastest way to Union Station; cabs or app rides are better for suburbs, families, students with bags or late arrivals.

SEA: Seattle-Tacoma International Airport. Sea-Tac connects to downtown by light rail, while cabs are useful for Bellevue, Redmond or late-night arrivals. Rain and freeway traffic should be part of the plan.
Frequently asked questions - Toronto to Seattle flights
Yes, booking flights in advance helps you secure cheap flight tickets. Comparing air ticket prices 3–4 weeks early gives you better visibility of airline timings, baggage policies, and fare rules before high-demand periods push prices up.
The approximate direct air distance between Toronto (YYZ) and Seattle (SEA) is 3,306.64 km. The actual flight duration and route path vary depending on airline schedules and wind conditions.
Non-stop flight availability depends on the airline schedule and departure date. You can filter the live search results by stops to view direct flights, one-stop connections, and transit flights instantly.
Airline seat inventory and airfares change dynamically in real-time. Selecting 'Book Now' runs a live fare verification check to ensure you get the most accurate price before final booking confirmation.
Yes, you can easily compare flights for nearby dates. Select any date on the date calendar strip to refresh the fares, compare air ticket pricing, and choose the most budget-friendly travel day.
YYZ → SEA · from C$388
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