Cheap Flights from Toronto to Seattle
Browse current best options from Toronto. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Toronto
RatePunk searches hundreds of travel sites at once for deals on flights to Seattle
Prices updated 2 days ago
402 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Jul 12, 2026.)
Today’s best flight deals from Toronto to Seattle
Explore current cheapest deals departing from Toronto to Seattle
Round trip
Sort by: Cheapest
November 19 - November 27
YYZ - Seattle
CA$544
CA$376
Round trip
October 1 - October 5
YYZ - Seattle
CA$605
CA$403
Round trip
October 7 - October 14
YYZ - Seattle
CA$596
CA$410
Round trip
November 1 - November 3
YYZ - Seattle
CA$546
CA$423
Round trip
October 7 - October 11
YYZ - Seattle
CA$605
CA$430
Round trip
November 8 - November 21
YYZ - Seattle
CA$528
CA$430
Round trip
November 3 - November 21
YYZ - Seattle
CA$513
CA$430
Round trip
November 2 - November 21
YYZ - Seattle
CA$511
CA$430
Round trip
November 5 - November 21
YYZ - Seattle
CA$519
CA$430
Round trip
November 10 - November 21
YYZ - Seattle
CA$529
CA$432
Round trip
Unlock all 500+ flight deals to Seattle and get alerts when great deals appear
Toronto to Seattle: Overview
Insights for flights from Toronto to Seattle
How much is a round trip from Toronto to Seattle
Regular price: CA$470 - CA$1,068
Prices for flights from Toronto to Seattle are currently below the regular range.
The regular price range for flights from Toronto to Seattle is CAD 470 to CAD 1068. The current lowest deal is CAD 375 with WestJet, for travel from Nov 19-Nov 27.
now CA$375
Low CA$470
High CA$1,068
The cheapest time to fly from Toronto to Seattle
The cheapest month to fly from Toronto to Seattle is May, with a median price of $286. The most expensive month is December, with a median price of $757. Prices are generally lower from January to October.
May
Flights from CA$286
December
Flights from CA$757
Direct flights from Toronto to Seattle
Alaska Airlines, Inc.
Last-minute flights going from Toronto to Seattle
Tue, Jul 21
YYZ - Seattle
Toronto (YYZ) - Seattle (SEA)
WestJet
CA$724
CA$495
One-way
Wed, Jul 22
YKF - Seattle
Waterloo (YKF) - Seattle (SEA)
WestJet
CA$762
CA$461
One-way
Wed, Jul 22
YKF - Seattle
Waterloo (YKF) - Seattle (SEA)
WestJet
CA$766
CA$461
One-way
Thu, Jul 23
YYZ - Seattle
Toronto (YYZ) - Seattle (SEA)
WestJet
CA$716
CA$461
One-way
Thu, Jul 23
YYZ - Seattle
Toronto (YYZ) - Seattle (SEA)
WestJet
CA$718
CA$484
One-way
Sat, Jul 25
YYZ - Seattle
Toronto (YYZ) - Seattle (SEA)
Deutsche Luft Hansa
CA$691
CA$543
One-way
Biggest price drops on these dates for flights from Toronto to Seattle
Dec 7 - Dec 11
CA$751 → CA$383
49%
Dec 12 - Dec 15
CA$736 → CA$472
36%
Dec 7 - Dec 10
CA$750 → CA$494
34%
Jul 13 - Jul 16
CA$748 → CA$501
33%
Popular Airports to fly from Toronto to Seattle
Toronto - Seattle route insights
💸 Price insights
Recent fares are above the typical level
Recent fares from Toronto to Seattle are above the typical level at a median of $530.
📅 Best time to fly
Fly in May for the best prices
Historically, May is the cheapest month to fly from Toronto to Seattle, with a median price of $286.
⏱️ Flight duration
Direct flights take 5h 28m
The typical direct flight from Toronto to Seattle takes 5h 28m, while connecting flights average 13h 35m.
✈️ Airlines & availability
Connecting flights are dominant
Only 11.1% of flights from Toronto to Seattle are direct, with connecting flights having 2 stopovers.
🏆 Airline highlight
Alaska Airlines, Inc. offers direct flights
Alaska Airlines, Inc. is one airline offering direct flights on the Toronto to Seattle route.
🎯 Booking tip
Deals are frequent on this route
Deals for flights from Toronto to Seattle are frequent, appearing often within a 30-day window.
Toronto main airports to depart from
Toronto Pearson International (YYZ)
Toronto Pearson International (YYZ) is a convenient option for flights from Toronto to Seattle.
📍 ~20 km from Toronto city center (reachable by car or train)
💸 Flights from ~CA$376
Billy Bishop Toronto City (YTZ)
Billy Bishop Toronto City (YTZ) offers an alternative departure point for your trip to Seattle.
📍 ~3 km from Toronto city center (reachable by car or ferry)
💸 Flights from ~CA$527
Seattle main airports to arrive at
Seattle–Tacoma International (SEA)
Seattle–Tacoma International Airport is a key arrival point for flights from Toronto to Seattle.
📍 ~18 km from Seattle (reachable by car)
💸 Flights from ~CA$375
Boeing Field (BFI)
Boeing Field offers another arrival option for travelers flying from Toronto to Seattle.
📍 ~9 km from Seattle (reachable by car)
💸 Flights from ~CA$912
Kenmore Air Harbor Seaplane Base (LKE)
Kenmore Air Harbor Seaplane Base provides an alternative arrival point for your trip to Seattle.
📍 ~3 km from Seattle (reachable by car)
💸 Flights from ~CA$1,053
Airports nearby Seattle used as alternative
Paine Field Everett (PAE)
Paine Field Everett is a useful alternative for travelers located in North Seattle or Snohomish County.
📍 ~40 km from Seattle (reachable by car)
💸 Flights from ~CA$640
Portland International (PDX)
Portland International is a major international hub with diverse carrier options and competitive pricing.
📍 ~230 km from Seattle (reachable by car)
💸 Flights from ~CA$368
Bellingham International (BLI)
Bellingham International is a good alternative for low-cost carriers with easier parking and security.
📍 ~135 km from Seattle (reachable by car)
💸 Flights from ~CA$544
Vancouver International (YVR)
Vancouver International offers a massive international network with many direct global flights and high reliability.
📍 ~200 km from Seattle (reachable by car)
💸 Flights from ~CA$267
Victoria International (YYJ)
Victoria International is an alternative for regional Pacific Northwest travel, though it has limited commercial utility.
📍 ~110 km from Seattle (reachable by car)
💸 Flights from ~CA$278
Business & First Class Flight Deals to Seattle
Discover luxury on the budget with premium cabin class on flights from Toronto to Seattle.
Elite
Best Elite deals to Seattle
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From YYZ
Elite
Sep 04
Seattle, United States
90% AI deal score
$1,184
$619
Save $565
From YYZ
Elite
Sep 04
Seattle, United States
90% AI deal score
$1,186
$619
Save $567
From YYZ
Elite
Sep 04
Seattle, United States
90% AI deal score
$1,170
$619
Save $551
From YYZ
Elite
Sep 03
Seattle, United States
90% AI deal score
$1,253
$635
Save $618
From YYZ
Elite
Sep 05
Seattle, United States
90% AI deal score
$1,241
$650
Save $591
From YYZ
Elite
Aug 13
Seattle, United States
90% AI deal score
$1,296
$682
Save $614
From YYZ
Elite
Dec 02
Seattle, United States
89% AI deal score
$1,896
$1,049
Save $847
From YYZ
Elite
Sep 08
Seattle, United States
88% AI deal score
$1,188
$666
Save $522
From YYZ
Elite
Sep 08
Seattle, United States
88% AI deal score
$1,187
$666
Save $521
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,178
$696
Save $482
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,193
$696
Save $497
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,199
$696
Save $503
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,193
$696
Save $497
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,183
$696
Save $487
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,194
$696
Save $498
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,183
$696
Save $487
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,193
$696
Save $497
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,183
$696
Save $487
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,209
$696
Save $513
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,229
$696
Save $533
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,183
$696
Save $487
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,193
$696
Save $497
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,193
$696
Save $497
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,182
$696
Save $486
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,221
$696
Save $525
From YYZ
Elite
Sep 30
Seattle, United States
88% AI deal score
$1,183
$696
Save $487
From YYZ
Elite
Sep 04
Seattle, United States
88% AI deal score
$1,224
$710
Save $514
From YYZ
Elite
Sep 04
Seattle, United States
88% AI deal score
$1,234
$710
Save $524
From YYZ
Elite
Sep 04
Seattle, United States
88% AI deal score
$1,242
$710
Save $532
From YYZ
Elite
Sep 04
Seattle, United States
88% AI deal score
$1,253
$710
Save $543
From YYZ
Elite
Sep 04
Seattle, United States
88% AI deal score
$1,261
$710
Save $551
From YYZ
Elite
Oct 06
Seattle, United States
88% AI deal score
$1,253
$710
Save $543
From YYZ
Elite
Dec 01
Seattle, United States
87% AI deal score
$1,743
$1,072
Save $671
From YYZ
Elite
Aug 18
Seattle, United States
87% AI deal score
$1,432
$1,051
Save $381
From YYZ
Elite
Jul 29
Seattle, United States
87% AI deal score
$1,479
$1,059
Save $420
From YYZ
Elite
Dec 01
Seattle, United States
87% AI deal score
$1,818
$1,107
Save $711
From YYZ
Elite
Dec 01
Seattle, United States
87% AI deal score
$1,813
$1,107
Save $706
From YYZ
Elite
Dec 01
Seattle, United States
87% AI deal score
$1,886
$1,107
Save $779
From YYZ
Elite
Dec 01
Seattle, United States
87% AI deal score
$1,813
$1,107
Save $706
From YYZ
Elite
Dec 01
Seattle, United States
87% AI deal score
$1,892
$1,107
Save $785
From YYZ
Elite
Dec 01
Seattle, United States
87% AI deal score
$1,861
$1,107
Save $754
From YYZ
Elite
Dec 01
Seattle, United States
87% AI deal score
$1,883
$1,107
Save $776
From YYZ
Elite
Dec 01
Seattle, United States
87% AI deal score
$1,830
$1,107
Save $723
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,181
$710
Save $471
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,173
$710
Save $463
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,185
$710
Save $475
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,172
$710
Save $462
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,175
$710
Save $465
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,185
$710
Save $475
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,172
$710
Save $462
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,172
$710
Save $462
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,172
$710
Save $462
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,175
$710
Save $465
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,174
$710
Save $464
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,175
$710
Save $465
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,174
$710
Save $464
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,185
$710
Save $475
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,174
$710
Save $464
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,185
$710
Save $475
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,172
$710
Save $462
From YYZ
Elite
Sep 04
Seattle, United States
87% AI deal score
$1,172
$710
Save $462
From YYZ
Elite
Oct 08
Seattle, United States
87% AI deal score
$1,216
$710
Save $506
From YYZ
Elite
Oct 06
Seattle, United States
87% AI deal score
$1,216
$710
Save $506
From YYZ
Elite
Oct 05
Seattle, United States
87% AI deal score
$1,222
$710
Save $512
From YYZ
Elite
Oct 05
Seattle, United States
87% AI deal score
$1,211
$710
Save $501
From YYZ
Elite
Oct 21
Seattle, United States
87% AI deal score
$1,226
$710
Save $516
From YYZ
Elite
Oct 06
Seattle, United States
87% AI deal score
$1,222
$710
Save $512
From YYZ
Elite
Oct 06
Seattle, United States
87% AI deal score
$1,231
$710
Save $521
From YYZ
Elite
Oct 06
Seattle, United States
87% AI deal score
$1,225
$710
Save $515
From YYZ
Elite
Oct 08
Seattle, United States
87% AI deal score
$1,226
$710
Save $516
From YYZ
Elite
Oct 06
Seattle, United States
87% AI deal score
$1,235
$710
Save $525
From YYZ
Elite
Oct 05
Seattle, United States
87% AI deal score
$1,216
$710
Save $506
From YYZ
Elite
Nov 24
Seattle, United States
86% AI deal score
$1,643
$1,106
Save $537
From YYZ
Elite
Nov 24
Seattle, United States
86% AI deal score
$1,668
$1,106
Save $562
From YYZ
Elite
Nov 24
Seattle, United States
86% AI deal score
$1,617
$1,106
Save $511
From YYZ
Elite
Nov 24
Seattle, United States
86% AI deal score
$1,617
$1,106
Save $511
From YYZ
Elite
Nov 24
Seattle, United States
86% AI deal score
$1,632
$1,106
Save $526
From YYZ
Elite
Nov 22
Seattle, United States
86% AI deal score
$1,618
$1,107
Save $511
From YYZ
Elite
Nov 25
Seattle, United States
86% AI deal score
$1,640
$1,107
Save $533
From YYZ
Elite
Nov 22
Seattle, United States
86% AI deal score
$1,633
$1,107
Save $526
From YYZ
Elite
Nov 21
Seattle, United States
86% AI deal score
$1,618
$1,107
Save $511
From YYZ
Elite
Nov 21
Seattle, United States
86% AI deal score
$1,644
$1,107
Save $537
From YYZ
Elite
Nov 23
Seattle, United States
86% AI deal score
$1,633
$1,107
Save $526
From YYZ
Elite
Nov 23
Seattle, United States
86% AI deal score
$1,618
$1,107
Save $511
From YYZ
Elite
Nov 21
Seattle, United States
86% AI deal score
$1,633
$1,107
Save $526
From YYZ
Elite
Nov 23
Seattle, United States
86% AI deal score
$1,639
$1,107
Save $532
From YYZ
Elite
Nov 25
Seattle, United States
86% AI deal score
$1,678
$1,107
Save $571
From YYZ
Elite
Nov 21
Seattle, United States
86% AI deal score
$1,639
$1,107
Save $532
From YYZ
Elite
Nov 22
Seattle, United States
86% AI deal score
$1,641
$1,107
Save $534
From YYZ
Elite
Nov 22
Seattle, United States
86% AI deal score
$1,644
$1,107
Save $537
From YYZ
Elite
Nov 25
Seattle, United States
86% AI deal score
$1,632
$1,107
Save $525
From YYZ
Elite
Nov 22
Seattle, United States
86% AI deal score
$1,633
$1,107
Save $526
From YYZ
Elite
Nov 25
Seattle, United States
86% AI deal score
$1,617
$1,107
Save $510
From YYZ
Elite
Nov 25
Seattle, United States
86% AI deal score
$1,617
$1,107
Save $510
From YYZ
Elite
Nov 23
Seattle, United States
86% AI deal score
$1,633
$1,107
Save $526
From YYZ
Elite
Nov 25
Seattle, United States
86% AI deal score
$1,648
$1,107
Save $541
From YYZ
Elite
Nov 23
Seattle, United States
86% AI deal score
$1,649
$1,107
Save $542
From YYZ
Elite
Nov 19
Seattle, United States
86% AI deal score
$1,633
$1,107
Save $526
From YYZ
Elite
Nov 19
Seattle, United States
86% AI deal score
$1,641
$1,107
Save $534
From YYZ
Elite
Nov 19
Seattle, United States
86% AI deal score
$1,649
$1,107
Save $542