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Air Canada flights from Toronto to Seattle (YTO - SEA)

YTO — SEA
4 May — 11 May1
1 adult

Cheapflights users flying from Toronto to Seattle on Air Canada typically fly into Seattle/Tacoma Intl and depart from Toronto Pearson Intl. Select your dates above for pricing.

Air Canada flights from Toronto to Seattle in 2025

Find detailed information about Air Canada flights from Toronto to Seattle. Explore the options provided by Air Canada to plan your journey from Toronto to Seattle. Data last updated 29 April 2025.

One-way from

C$ 238

Round-trip from

C$ 362

Popular in

July

Cheapest in

February

Average price (all airlines)

C$ 549
Air Canada
  • Air Canada
  • 4/6
  • 1 total stop
  • 10h 12m total
  • Toronto to Seattle
Air Canada
  • Air Canada
  • 5/6-11/6
  • 2 total stops
  • 19h 01m total
  • Toronto to Seattle
Highest demand for flights from Toronto to Seattle/Tacoma Intl; 10% potential price increase.
Best time to find cheap flights from Toronto to Seattle/Tacoma Intl; 1% potential price drop.
Average price for all Toronto to Seattle/Tacoma Intl flights (one-way and round-trip).
  • Can I get a flight from Toronto to Seattle on Air Canada for under C$ 400?

    Cheapflights currently has 2 YTO-SEA flights for under C$ 400. Flights to Seattle will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.

  • How do most travelers feel about Air Canada?

    When planning your YTO-SEA trip, keep in mind that Air Canada is typically rated 7.2/10. This rating comes from 2,823 reviews by Cheapflights users who have traveled with Air Canada.

Find Air Canada flight deals from Toronto to Seattle

Cheapest Air Canada flights from Toronto to Seattle
Explore the most affordable Air Canada flight options available from Toronto to Seattle. Find the lowest fares with prices last updated on 29 April 2025.

Sun 25/58:25 a.m.YYZ - SEA
Nonstop5h 20mAir Canada
Wed 4/62:55 p.m.SEA - YYZ
1 stop7h 14mAir Canada
Deal found 28/4C$ 367
Sun 25/512:25 p.m.YTZ - SEA
1 stop10h 12mAir Canada
Wed 4/67:20 a.m.SEA - YTZ
1 stop11h 15mAir Canada
Deal found 28/4C$ 412

Travel insights for Air Canada flights from Toronto to Seattle

Get recent, data-driven insights about Air Canada flights from Toronto to Seattle including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Toronto to Seattle with Air Canada?

Use this chart to determine the optimal time to book a round-trip flight from Toronto to Seattle. Price data was last updated on 25 April 2025.

Booking with Air Canada 49 days in advance of your planned departure date is, on average, the best time to get cheap flights from Toronto to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Toronto to Seattle with Air Canada?

Currently, the most affordable month to book a Air Canada flight from Toronto to Seattle in December, with an average price of C$ 179. Conversely, traveling with Air Canada from Toronto to Seattle in July will be the most expensive, with an average cost of C$ 493. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Air Canada flight availability from Toronto to Seattle

The most Air Canada flights from YTO to SEA are scheduled on a Monday (1 on average). You will have fewer Air Canada flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Best time to book a flight from Toronto to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Toronto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Browse thousands of different options on Cheapflights for your next trip

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Fly from Toronto to Seattle on another airline

Consider alternative airlines that service the Seattle area. Flight routes are based on user searches made on Cheapflights and were last updated on 29 April 2025.

See what others are saying about Air Canada

Read reviews and see what other travellers are saying about their experiences with Air Canada. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Air Canada for your next flight. Reviews last updated 29 April 2025.
Air Canada
7.0
Good
9,228 reviews
Overview

Comfort

7.0

Crew

7.8

Boarding

7.3

Entertainment

6.8

Food

6.3

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