Cheap Flights from Seattle to Toronto
Browse current best options from Seattle. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Seattle
RatePunk searches hundreds of travel sites at once for deals on flights to Toronto
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Seattle to Toronto
Explore current cheapest deals departing from Seattle to Toronto
Round trip
Sort by: Cheapest
October 23 - October 29
SEA - Toronto
$370
$340
Round trip
October 1 - October 5
SEA - Toronto
$364
$343
Round trip
October 13 - October 27
SEA - Toronto
$354
$346
Round trip
September 22 - September 29
SEA - Toronto
$354
$348
Round trip
September 23 - September 30
SEA - Toronto
$354
$349
Round trip
September 25 - September 30
SEA - Toronto
$361
$351
Round trip
November 12 - November 26
SEA - Toronto
$341
$351
Round trip
November 20 - November 23
SEA - Toronto
$355
$353
Round trip
September 21 - September 29
SEA - Toronto
$340
$354
Round trip
October 15 - October 21
SEA - Toronto
$370
$355
Round trip
Unlock all 500+ flight deals to Toronto and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Seattle to Toronto
How much is a round trip from Seattle to Toronto
Regular price: $311 - $440
Prices for flights from Seattle to Toronto are currently within the regular range.
The regular price range for flights from Seattle to Toronto is between $311 and $440. The current lowest deal is $340 with WestJet for travel from Oct 23-Oct 29.
now $340
Low $311
High $440
The cheapest time to fly from Seattle to Toronto
The cheapest month to fly from Seattle to Toronto is April, with a median price of $232. The most expensive month is July, with a median price of $590. Prices are generally lower from January to September.
April
Flights from $232
July
Flights from $590
Direct flights from Seattle to Toronto
Alaska Airlines, Inc.
Last-minute flights going from Seattle to Toronto
Wed, Jul 1
SEA - Toronto
Seattle (SEA) - Toronto (YYZ)
WestJet
$358
$383
One-way
Thu, Jul 2
SEA - Hamilton
Seattle (SEA) - Hamilton (YHM)
WestJet
$493
$400
One-way
Thu, Jul 2
SEA - Hamilton
Seattle (SEA) - Hamilton (YHM)
WestJet
$529
$495
One-way
Sat, Jul 4
SEA - Hamilton
Seattle (SEA) - Hamilton (YHM)
WestJet
$485
$407
One-way
Tue, Jul 7
SEA - Toronto
Seattle (SEA) - Toronto (YYZ)
WestJet
$309
$383
One-way
Tue, Jul 7
SEA - Toronto
Seattle (SEA) - Toronto (YYZ)
WestJet
$356
$385
One-way
Biggest price drops on these dates for flights from Seattle to Toronto
Aug 11 - Aug 13
$573 → $389
32%
Aug 19 - Aug 22
$566 → $390
31%
Aug 21 - Aug 27
$544 → $384
29%
Aug 18 - Aug 22
$564 → $406
28%
Popular Airports to fly from Seattle to Toronto
Seattle - Toronto route insights
💸 Price insights
Recent fares are above the typical level
Recent fares from Seattle to Toronto are currently above the typical level for this route.
📅 Best time to fly
April is historically the cheapest month
Historically, April is the cheapest month to fly from Seattle to Toronto, with a median price of $232.
⏱️ Flight duration
Median flight time is 14h 35m
The median flight time for this route is 14 hours and 35 minutes, typically with two stopovers.
✈️ Airlines & availability
Connecting flights are dominant
Only 17.8% of recent deals are direct, making connecting flights the dominant option.
🏆 Airline highlight
WestJet offers a recent deal at $340
A recent deal from WestJet for Seattle to Toronto was found at $340.
🎯 Booking tip
Deals are frequent for this route
Deals for flights from Seattle to Toronto are frequent, with over 1 deal per day.
Seattle main airports to depart from
Seattle–Tacoma International (SEA)
Seattle–Tacoma International Airport is a primary option for flights from Seattle to Toronto.
📍 ~20 km from Seattle city center (reachable by car)
💸 Flights from ~$340
Boeing Field (BFI)
Boeing Field offers an alternative departure point for travelers flying from Seattle to Toronto.
📍 ~10 km from Seattle city center (reachable by car)
💸 Flights from ~$685
Kenmore Air Harbor Seaplane Base (LKE)
Kenmore Air Harbor Seaplane Base provides another option for flights from Seattle to Toronto.
📍 ~5 km from Seattle city center (reachable by car)
💸 Flights from ~$618
Toronto main airports to arrive at
Toronto Pearson International (YYZ)
Toronto Pearson International Airport is a good option for flights from Seattle to Toronto.
📍 ~20 km from Toronto city center (reachable by car)
💸 Flights from ~$340
Billy Bishop Toronto City (YTZ)
Billy Bishop Toronto City Airport is a convenient choice for arriving in Toronto from Seattle.
📍 ~5 km from Toronto city center (reachable by car)
💸 Flights from ~$447
Airports nearby Toronto used as alternative
John C. Munro Hamilton International (YHM)
This airport is a useful domestic alternative for Canadian travelers, avoiding international border crossings.
📍 ~60 km from Toronto (reachable by car)
💸 Flights from ~$412
Buffalo Niagara International (BUF)
This airport often offers lower fares for transborder travelers, but requires an international border crossing.
📍 ~105 km from Toronto (reachable by car)
💸 Flights from ~$270
Region of Waterloo International (YKF)
This airport is a convenient domestic alternative west of Toronto, avoiding congestion at main airports.
📍 ~90 km from Toronto (reachable by car)
💸 Flights from ~$382
London International (YXU)
This regional airport offers full-service connections and easier navigation than Toronto's main airports.
📍 ~180 km from Toronto (reachable by car)
💸 Flights from ~$381
Niagara Falls International (IAG)
This airport is very close to the Canadian border and offers ultra-low-cost carrier options to specific US destinations.
📍 ~85 km from Toronto (reachable by car)
💸 Flights from ~$510
Business & First Class Flight Deals to Toronto
Discover luxury on the budget with premium cabin class on flights from Seattle to Toronto.
Elite
Best Elite deals to Toronto
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From SEA
Elite
Nov 22
Toronto, Canada
91% AI deal score
$2,244
$1,106
Save $1,138
From SEA
Elite
Nov 22
Toronto, Canada
91% AI deal score
$2,222
$1,106
Save $1,116
From SEA
Elite
Nov 22
Toronto, Canada
91% AI deal score
$2,239
$1,106
Save $1,133
From SEA
Elite
Oct 30
Toronto, Canada
91% AI deal score
$2,288
$1,106
Save $1,182
From SEA
Elite
Oct 24
Toronto, Canada
91% AI deal score
$2,287
$1,106
Save $1,181
From SEA
Elite
Oct 28
Toronto, Canada
91% AI deal score
$2,287
$1,106
Save $1,181
From SEA
Elite
Oct 28
Toronto, Canada
91% AI deal score
$2,287
$1,106
Save $1,181
From SEA
Elite
Oct 29
Toronto, Canada
91% AI deal score
$2,288
$1,106
Save $1,182
From SEA
Elite
Oct 24
Toronto, Canada
91% AI deal score
$2,287
$1,106
Save $1,181
From SEA
Elite
Oct 28
Toronto, Canada
91% AI deal score
$2,287
$1,106
Save $1,181
From SEA
Elite
Oct 31
Toronto, Canada
91% AI deal score
$2,286
$1,106
Save $1,180
From SEA
Elite
Oct 31
Toronto, Canada
91% AI deal score
$2,286
$1,106
Save $1,180
From SEA
Elite
Oct 30
Toronto, Canada
91% AI deal score
$2,288
$1,106
Save $1,182
From SEA
Elite
Oct 31
Toronto, Canada
91% AI deal score
$2,286
$1,106
Save $1,180
From SEA
Elite
Oct 29
Toronto, Canada
91% AI deal score
$2,288
$1,106
Save $1,182
From SEA
Elite
Oct 30
Toronto, Canada
91% AI deal score
$2,288
$1,106
Save $1,182
From SEA
Elite
Oct 31
Toronto, Canada
91% AI deal score
$2,271
$1,106
Save $1,165
From SEA
Elite
Oct 28
Toronto, Canada
91% AI deal score
$2,287
$1,106
Save $1,181
From SEA
Elite
Oct 29
Toronto, Canada
91% AI deal score
$2,288
$1,106
Save $1,182
From SEA
Elite
Oct 30
Toronto, Canada
91% AI deal score
$2,288
$1,106
Save $1,182
From SEA
Elite
Oct 29
Toronto, Canada
91% AI deal score
$2,288
$1,106
Save $1,182
From SEA
Elite
Nov 19
Toronto, Canada
91% AI deal score
$2,222
$1,106
Save $1,116
From SEA
Elite
Oct 24
Toronto, Canada
91% AI deal score
$2,287
$1,107
Save $1,180
From SEA
Elite
Oct 30
Toronto, Canada
91% AI deal score
$2,393
$1,130
Save $1,263
From SEA
Elite
Oct 01
Toronto, Canada
91% AI deal score
$2,423
$1,259
Save $1,164
From SEA
Elite
Oct 01
Toronto, Canada
91% AI deal score
$1,351
$696
Save $655
From SEA
Elite
Sep 27
Toronto, Canada
91% AI deal score
$1,354
$696
Save $658
From SEA
Elite
Oct 05
Toronto, Canada
91% AI deal score
$1,385
$696
Save $689
From SEA
Elite
Oct 01
Toronto, Canada
91% AI deal score
$1,368
$696
Save $672
From SEA
Elite
Oct 05
Toronto, Canada
91% AI deal score
$1,406
$696
Save $710
From SEA
Elite
Oct 02
Toronto, Canada
91% AI deal score
$1,368
$696
Save $672
From SEA
Elite
Oct 06
Toronto, Canada
91% AI deal score
$1,400
$696
Save $704
From SEA
Elite
Oct 04
Toronto, Canada
91% AI deal score
$1,400
$696
Save $704
From SEA
Elite
Oct 04
Toronto, Canada
91% AI deal score
$1,406
$696
Save $710
From SEA
Elite
Oct 19
Toronto, Canada
91% AI deal score
$1,398
$696
Save $702
From SEA
Elite
Sep 29
Toronto, Canada
91% AI deal score
$1,354
$696
Save $658
From SEA
Elite
Sep 30
Toronto, Canada
91% AI deal score
$1,352
$696
Save $656
From SEA
Elite
Sep 30
Toronto, Canada
91% AI deal score
$1,382
$696
Save $686
From SEA
Elite
Oct 19
Toronto, Canada
91% AI deal score
$1,404
$696
Save $708
From SEA
Elite
Sep 29
Toronto, Canada
91% AI deal score
$1,438
$696
Save $742
From SEA
Elite
Sep 28
Toronto, Canada
91% AI deal score
$1,353
$696
Save $657
From SEA
Elite
Sep 27
Toronto, Canada
91% AI deal score
$1,354
$696
Save $658
From SEA
Elite
Nov 05
Toronto, Canada
90% AI deal score
$2,053
$1,106
Save $947
From SEA
Elite
Nov 19
Toronto, Canada
90% AI deal score
$2,001
$1,106
Save $895
From SEA
Elite
Nov 17
Toronto, Canada
90% AI deal score
$2,102
$1,106
Save $996
From SEA
Elite
Nov 05
Toronto, Canada
90% AI deal score
$2,053
$1,106
Save $947
From SEA
Elite
Nov 08
Toronto, Canada
90% AI deal score
$2,040
$1,106
Save $934
From SEA
Elite
Nov 19
Toronto, Canada
90% AI deal score
$2,102
$1,106
Save $996
From SEA
Elite
Nov 13
Toronto, Canada
90% AI deal score
$1,993
$1,106
Save $887
From SEA
Elite
Nov 07
Toronto, Canada
90% AI deal score
$2,053
$1,106
Save $947
From SEA
Elite
Nov 17
Toronto, Canada
90% AI deal score
$2,001
$1,106
Save $895
From SEA
Elite
Nov 17
Toronto, Canada
90% AI deal score
$1,997
$1,106
Save $891
From SEA
Elite
Nov 18
Toronto, Canada
90% AI deal score
$2,166
$1,106
Save $1,060
From SEA
Elite
Nov 16
Toronto, Canada
90% AI deal score
$1,997
$1,106
Save $891
From SEA
Elite
Nov 16
Toronto, Canada
90% AI deal score
$1,993
$1,106
Save $887
From SEA
Elite
Nov 18
Toronto, Canada
90% AI deal score
$1,997
$1,106
Save $891
From SEA
Elite
Nov 18
Toronto, Canada
90% AI deal score
$2,001
$1,106
Save $895
From SEA
Elite
Nov 15
Toronto, Canada
90% AI deal score
$1,997
$1,106
Save $891
From SEA
Elite
Oct 22
Toronto, Canada
90% AI deal score
$2,172
$1,130
Save $1,042
From SEA
Elite
Oct 24
Toronto, Canada
90% AI deal score
$2,141
$1,130
Save $1,011
From SEA
Elite
Oct 01
Toronto, Canada
90% AI deal score
$2,086
$1,193
Save $893
From SEA
Elite
Sep 10
Toronto, Canada
90% AI deal score
$2,278
$1,259
Save $1,019
From SEA
Elite
Oct 06
Toronto, Canada
90% AI deal score
$1,314
$696
Save $618
From SEA
Elite
Oct 01
Toronto, Canada
90% AI deal score
$1,323
$696
Save $627
From SEA
Elite
Oct 05
Toronto, Canada
90% AI deal score
$1,313
$696
Save $617
From SEA
Elite
Sep 15
Toronto, Canada
90% AI deal score
$1,352
$696
Save $656
From SEA
Elite
Oct 07
Toronto, Canada
90% AI deal score
$1,315
$696
Save $619
From SEA
Elite
Oct 01
Toronto, Canada
90% AI deal score
$1,316
$696
Save $620
From SEA
Elite
Sep 13
Toronto, Canada
90% AI deal score
$1,350
$696
Save $654
From SEA
Elite
Sep 28
Toronto, Canada
90% AI deal score
$1,358
$696
Save $662
From SEA
Elite
Sep 18
Toronto, Canada
90% AI deal score
$1,354
$696
Save $658
From SEA
Elite
Sep 15
Toronto, Canada
90% AI deal score
$1,350
$696
Save $654
From SEA
Elite
Oct 01
Toronto, Canada
90% AI deal score
$1,316
$696
Save $620
From SEA
Elite
Sep 28
Toronto, Canada
90% AI deal score
$1,358
$696
Save $662
From SEA
Elite
Oct 05
Toronto, Canada
90% AI deal score
$1,314
$696
Save $618
From SEA
Elite
Sep 13
Toronto, Canada
90% AI deal score
$1,351
$696
Save $655
From SEA
Elite
Oct 02
Toronto, Canada
90% AI deal score
$1,323
$696
Save $627
From SEA
Elite
Sep 28
Toronto, Canada
90% AI deal score
$1,359
$696
Save $663
From SEA
Elite
Sep 16
Toronto, Canada
90% AI deal score
$1,347
$696
Save $651
From SEA
Elite
Sep 18
Toronto, Canada
90% AI deal score
$1,348
$696
Save $652
From SEA
Elite
Sep 13
Toronto, Canada
90% AI deal score
$1,348
$696
Save $652
From SEA
Elite
Sep 14
Toronto, Canada
90% AI deal score
$1,349
$696
Save $653
From SEA
Elite
Oct 04
Toronto, Canada
90% AI deal score
$1,313
$696
Save $617
From SEA
Elite
Sep 17
Toronto, Canada
90% AI deal score
$1,347
$696
Save $651
From SEA
Elite
Oct 08
Toronto, Canada
90% AI deal score
$1,303
$696
Save $607
From SEA
Elite
Sep 13
Toronto, Canada
90% AI deal score
$1,351
$696
Save $655
From SEA
Elite
Sep 27
Toronto, Canada
90% AI deal score
$1,360
$696
Save $664
From SEA
Elite
Oct 10
Toronto, Canada
90% AI deal score
$1,321
$696
Save $625
From SEA
Elite
Sep 29
Toronto, Canada
90% AI deal score
$1,358
$696
Save $662
From SEA
Elite
Sep 17
Toronto, Canada
90% AI deal score
$1,347
$696
Save $651
From SEA
Elite
Sep 29
Toronto, Canada
90% AI deal score
$1,358
$696
Save $662
From SEA
Elite
Oct 02
Toronto, Canada
90% AI deal score
$1,316
$696
Save $620
From SEA
Elite
Sep 19
Toronto, Canada
90% AI deal score
$1,349
$696
Save $653
From SEA
Elite
Sep 15
Toronto, Canada
90% AI deal score
$1,350
$696
Save $654
From SEA
Elite
Sep 14
Toronto, Canada
90% AI deal score
$1,350
$696
Save $654
From SEA
Elite
Sep 18
Toronto, Canada
90% AI deal score
$1,348
$696
Save $652
From SEA
Elite
Sep 30
Toronto, Canada
90% AI deal score
$1,359
$696
Save $663
From SEA
Elite
Sep 17
Toronto, Canada
90% AI deal score
$1,335
$696
Save $639
From SEA
Elite
Sep 16
Toronto, Canada
90% AI deal score
$1,348
$696
Save $652
From SEA
Elite
Oct 10
Toronto, Canada
90% AI deal score
$1,321
$696
Save $625