
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $305 (Mytrip) |
One-way from | $178 (CheapOair) |
Popular in | June |
Cheapest in | February |
Average price | $446 |
Good round-trip deal | $517 or less |
Good one-way deal | $290 or less |
Fly from
Fly to
Route
Depart
Return
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Sat 10/31
12:30 pm-4:35 pm
1 stop7h 05m
Seattle/Tacoma Intl
Mon 11/2
11:05 pm-9:01 am
1 stop6h 56m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Tue 9/15
6:45 pm-9:04 pm
Nonstop5h 19m
Seattle/Tacoma Intl
Tue 9/15
11:59 pm-11:31 am
1 stop8h 32m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Wed 7/1
7:30 am-2:16 pm
1 stop9h 46m
Seattle/Tacoma Intl
Thu 7/9
10:45 am-12:53 am
2 stops11h 08m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Mon 6/22
6:40 pm-8:00 am
1 stop16h 20m
Seattle/Tacoma Intl
Wed 7/1
5:15 pm-9:54 am
1 stop13h 39m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Sat 8/15
8:20 am-9:36 pm
1 stop16h 16m
Seattle/Tacoma Intl
Sun 8/23
5:00 pm-10:56 am
1 stop14h 56m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Mon 6/22
9:00 pm-11:38 am
1 stop17h 38m
Seattle/Tacoma Intl
Sat 7/4
5:00 am-11:59 pm
2 stops15h 59m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Sun 8/9
6:10 am-7:12 pm
1 stop16h 02m
Seattle/Tacoma Intl
Thu 8/27
5:20 pm-7:00 am
1 stop10h 40m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Tue 7/21
7:30 am-2:16 pm
1 stop9h 46m
Seattle/Tacoma Intl
Tue 7/21
5:15 pm-9:54 am
1 stop13h 39m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Thu 6/25
1:40 pm-11:59 pm
1 stop13h 19m
Seattle/Tacoma Intl
Sat 6/27
9:05 am-11:14 pm
1 stop11h 09m
TorontoSeattle
YYZ - SEA
YYZSEA
Toronto Pearson Intl
Sat 6/27
8:45 am-7:06 pm
1 stop13h 21m
Seattle/Tacoma Intl
Wed 7/1
5:15 pm-9:54 am
1 stop13h 39m
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| 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 $231). Flying from Toronto Pearson Intl Airport to Seattle in June is currently the most expensive (average of $446). 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 154 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.
Wednesday 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 17% of flights being delayed.
Calgary (YYC) – chosen by Cheapflights users on 57% 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 $348.
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.
Overall
Entertainment
Boarding
Comfort
Crew
Food
Reviews
Anonymous,Jun 2026
RDU - SEA
Overall
Entertainment
Boarding
Comfort
Crew
Food
Reviews
Anonymous,Jun 2026
RDU - SEA
Overall
Entertainment
Boarding
Comfort
Crew
Food
Reviews
Anonymous,Jun 2026
RDU - SEA
Overall
Entertainment
Boarding
Comfort
Crew
Food
Reviews
Anonymous,Jun 2026
RDU - SEA
Overall
Entertainment
Boarding
Comfort
Crew
Food
Reviews
Anonymous,Jun 2026
RDU - SEA
Overall
Entertainment
Boarding
Comfort
Crew
Food
Reviews
Anonymous,Jun 2026
RDU - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$193 | Average$280 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$202 | Average$391 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$213 | Average$406 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$219 | Average$462 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$277 | Average$277 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$278 | Average$379 | FlexibilityNo cancel fee | On-timeN/A |