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Cheap flights from Toronto to Seattle

19 nonstop flights a week, 2 of them today. Operated by 3 airlines, about 5h 29m in the air, 2,066 mi (3,325 km). Tickets from $231, nonstop from $266.

Flights from Toronto to Seattle

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Toronto to Seattle

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Toronto to Seattle

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $231 18 January 2027, with a connection Cheapest nonstop $266 18 January 2027, Air Canada Cheapest in the next 7 days $415 14 November, Sat Cheapest weekend departure $415 Sat, 14 November 2026 Cheapest month January 2027 tickets from $231

Toronto to Seattle at a glance

flight time, from 5h 23m to 10h 14m
5h 29m
straight-line distance
2,066 mi (3,325 km)
flights a week
19
flights today
2
first and last departure
06:10 - 18:25
lowest price, with a connection, 18 January
$231
lowest nonstop price
$266
airlines
3

Toronto to Seattle ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: January 2027, tickets from $231. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is November 2026: from $415. The average across months is $323.

Toronto to Seattle flight schedule

19 flights a week, 2 today, 3 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
UA 1062
United Airlines
06:10 Pearson International, terminal 1
13:24 Seattle-Tacoma International
10h 14m
Daily
Boeing 737-800
AS 391
Alaska Airlines
17:15 Pearson International, terminal 3
19:45 Seattle-Tacoma International
5h 30m
Daily
Boeing 737
AC 543
Air Canada
18:25 Pearson International, terminal 1
20:59 Seattle-Tacoma International
5h 34m
Wed, Thu, Fri, Sat, Sun
Airbus A220-300

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 11 February.

FlightDepartsArrivesDurationDaysAircraft
AS 401
Alaska Airlines
17:15 Pearson International, terminal 3
19:43 Seattle-Tacoma International
5h 28m
Seasonal
Boeing 737-900
AS 401
Alaska Airlines
16:45 Pearson International, terminal 3
19:13 Seattle-Tacoma International
5h 28m
Seasonal
Boeing 737-900
AC 543
Air Canada
18:30 Pearson International, terminal 1
20:53 Seattle-Tacoma International
5h 23m
Seasonal
Airbus A220-300

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Seattle is 3 hours behind Toronto. The search shows seat availability and the price for your date.

Airlines flying Toronto to Seattle

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Alaska Airlines7 a week United Airlines7 a week Air Canada5 a week

Airports

Where flights from Toronto to Seattle depart and land

Departure from Toronto

Pearson International YYZ

19 flights a week, terminals 1, 3, 12 mi (19 km) from the city centre

About the airport

Arrival in Seattle

Seattle-Tacoma International SEA

19 flights a week, 11 mi (18 km) from the city centre

About the airport

When to visit Seattle

Weather by month

Best time to visit: May, June, July, August and September, +17° to +25° by day. In November it is +10° by day and +5° at night, with 17 rainy days.

Jan
+8° +2° 16 days
Feb
+8° +2° 14 days
Mar
+11° +4° 15 days
Apr
+13° +6° 14 days
May
+17° +9° 11 days
Jun
+21° +12° 7 days
Jul
+25° +15° 1 days
Aug
+25° +15° 6 days
Sep
+21° +13° 7 days
Oct
+15° +9° 14 days
Nov
+10° +5° 17 days
Dec
+8° +4° 20 days

Daytime and night temperatures in °C, rainy days. Months with the most comfortable weather are in green. Long-term averages.

Frequently asked questions

How long is the flight from Toronto to Seattle?
A nonstop flight takes 5 hours 29 minutes on average, from 5h 23m to 10h 14m depending on the flight.
How far is Seattle from Toronto?
2,066 mi (3,325 km) in a straight line between the cities.
Which airlines fly nonstop from Toronto to Seattle?
Alaska Airlines (7 a week), United Airlines (7 a week) and Air Canada (5 a week).
How many flights a day are there from Toronto to Seattle?
2 flights today and 19 a week, about 2.7 a day on average.
When are the first and last flights from Toronto to Seattle?
The first departure is at 06:10 (UA1062), the last at 18:25 (AC543). Local time.
What is the cheapest month to fly from Toronto to Seattle?
January 2027: tickets from $231. The most expensive is November 2026, from $415.
What is the cheapest upcoming date to fly from Toronto to Seattle?
18 January 2027 (Monday): from $231 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Toronto to Seattle?
Air Canada: nonstop tickets from $266 on 18 January by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Toronto and Seattle?
Seattle is 3 hours behind Toronto. Schedule times on this page are local to each airport.
Which Toronto airport do flights to Seattle leave from?
Pearson International (19 a week).