
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $226 (Kiwi.com) |
One-way from | $156 (Alaska Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $340 |
Good round-trip deal | $417 or less |
Good one-way deal | $244 or less |
Fly from
Fly to
Route
Depart
Return
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Sat 5/9
6:30 am-9:06 pm
1 stop17h 36m
Seattle/Tacoma Intl
Tue 6/23
5:00 pm-9:54 am
1 stop13h 54m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Fri 5/22
4:18 pm-8:00 am
1 stop18h 42m
Seattle/Tacoma Intl
Mon 5/25
10:40 pm-11:49 am
1 stop10h 09m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Sun 5/31
12:09 pm-8:41 pm
1 stop11h 32m
Seattle/Tacoma Intl
Wed 6/10
9:05 am-11:14 pm
1 stop11h 09m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Thu 5/28
12:00 pm-6:45 pm
1 stop9h 45m
Seattle/Tacoma Intl
Sat 6/6
10:30 am-9:15 pm
1 stop7h 45m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Fri 5/29
9:49 am-6:49 pm
1 stop12h 00m
Seattle/Tacoma Intl
Sun 6/7
6:00 am-9:59 pm
1 stop12h 59m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Sun 5/24
9:00 pm-9:40 am
1 stop15h 40m
Seattle/Tacoma Intl
Tue 6/2
5:00 pm-3:14 pm
2 stops19h 14m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Wed 5/13
5:45 pm-12:12 am
1 stop9h 27m
Seattle/Tacoma Intl
Wed 7/8
5:20 am-5:24 pm
1 stop9h 04m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Thu 6/4
5:45 pm-12:10 am
1 stop9h 25m
Seattle/Tacoma Intl
Sat 6/27
7:35 pm-5:45 am
1 stop7h 10m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Wed 6/3
6:00 am-2:30 pm
1 stop11h 30m
Seattle/Tacoma Intl
Sat 6/27
10:30 am-9:15 pm
1 stop7h 45m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Thu 6/25
11:00 am-12:14 am
1 stop16h 14m
Seattle/Tacoma Intl
Sat 7/4
11:52 pm-5:56 pm
1 stop15h 04m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from Toronto Pearson Intl Airport to Seattle, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, February is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to Seattle (average of $240). Flying from Toronto Pearson Intl Airport to Seattle in July is currently the most expensive (average of $440). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Toronto Pearson Intl Airport to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 26% of weekly flights between Toronto and Seattle have experienced delays in the past year, with the average delay time being 155 minutes.
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.
Calgary (YYC) – chosen by Cheapflights users on 50% of 1-stop itineraries from Toronto Pearson Intl Airport to Seattle on Cheapflights.
Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of $368.
Flights via Vancouver (YVR) have the shortest average one-way travel time for 1-stop routes: 8h 10m.
Flights via Vancouver (YVR) offer the fastest connection on this route, with an average layover time of 1h 39m.
Crew
Comfort
Boarding
Food
Overall
Entertainment
Reviews
Eugene,Mar 2026
MFR - SEA
Crew
Comfort
Boarding
Food
Overall
Entertainment
Reviews
Eugene,Mar 2026
MFR - SEA
Crew
Comfort
Boarding
Food
Overall
Entertainment
Reviews
Eugene,Mar 2026
MFR - SEA
Crew
Comfort
Boarding
Food
Overall
Entertainment
Reviews
Eugene,Mar 2026
MFR - SEA
Crew
Comfort
Boarding
Food
Overall
Entertainment
Reviews
Eugene,Mar 2026
MFR - SEA
Crew
Comfort
Boarding
Food
Overall
Entertainment
Reviews
Eugene,Mar 2026
MFR - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$192 | Average$280 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$202 | Average$389 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$213 | Average$406 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$238 | Average$446 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$277 | Average$277 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$278 | Average$373 | FlexibilityNo cancel fee | On-timeN/A |