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Find cheap Alaska Airlines flights to Seattle

CMH — SEA
27 Aug — 3 Sep1
1 adult
1 adult, Economy, 0 bags

Find Alaska Airlines flight deals to Seattle

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Cheapest Alaska Airlines flights from Canada to Seattle
Explore the most affordable Alaska Airlines flight options available from Canada to Seattle. Find the lowest fares with prices last updated on 28 July 2026.

Tue 18/86:00 a.m.
YVR
-
SEA
Nonstop1h 07m
Alaska Airlines
Tue 22/97:56 p.m.
SEA
-
YVR
Nonstop0h 57m
Alaska Airlines
Deal found 28/7C$ 424
Sat 22/88:05 a.m.
YVR
-
SEA
Nonstop1h 07m
Alaska Airlines
Sat 22/810:59 p.m.
SEA
-
YVR
Nonstop1h 00m
Alaska Airlines
Deal found 24/7C$ 450
Sun 23/86:00 a.m.
YVR
-
SEA
Nonstop1h 06m
Alaska Airlines
Sun 23/810:59 p.m.
SEA
-
YVR
Nonstop1h 00m
Alaska Airlines
Deal found 24/7C$ 496

Flights to Seattle with Alaska Airlines at a glance

Find detailed information about Alaska Airlines flights from Canada to Seattle. Explore the options provided by Alaska Airlines to plan your journey from Canada to Seattle. Data last updated 28 July 2026.

Popular in

June

Cheapest in

January

Average price

C$ 454

Round-trip from

C$ 395

One-way from

C$ 233

Good one-way deal

C$ 586 or less
Highest demand for flights to Seattle with Alaska Airlines; 25% potential price increase.
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Best time to find cheap flights to Seattle with Alaska Airlines; 4% potential price drop.
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Average price for flights to Seattle with Alaska Airlines (round-trip).
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Alaska Airlines
  • Alaska Airlines
  • 30/9-30/9
  • Nonstop
  • 2h 06m total
  • Canada to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 15/9
  • Nonstop
  • 1h 47m total
  • Canada to Seattle
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Price to beat on a one-way flight from Canada to Seattle with Alaska Airlines.
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Cheapflights Insights

Find cheap Alaska Airlines flights to Seattle

How long is the flight to Seattle with Alaska Airlines?

On average, Alaska Airlines flights from Canada to Seattle take 1 hour 49 minutes. Flights to Seattle from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

Alaska Airlines weekly flight availability to Seattle

The most flights to Seattle operated by Alaska Airlines are scheduled on a Sunday (27 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (20 on average).

When is the best time to book a flight to Seattle with Alaska Airlines?

The best time to book a flight to Seattle with Alaska Airlines is 86 days before departure. On average, fares are higher if you book on the same day as departure.

When is the cheapest time to fly to Seattle with Alaska Airlines?

Users looking for the cheapest Alaska Airlines fares to Seattle should consider flying on Saturday at noon, when prices are typically cheapest. Budget-minded travellers will want to avoid Monday mornings, when prices are usually at their highest.

FAQs about flights to Seattle with Alaska Airlines

  • Which airport do Alaska Airlines flights arrive at when travelling to Seattle?

    Alaska Airlines flights on this route tend to land at Seattle/Tacoma Intl Airport.

  • Is Alaska Airlines the cheapest airline for a flight to Seattle?

    Flight prices will depend on factors like date, time, and cabin class, so it is worth comparing flights before booking. Based on Cheapflights data, the cheapest average round-trip price for flights to Seattle tends to be with Harbour Air Seaplanes.

  • Are there alternative airlines other than Alaska Airlines that fly to Seattle?

    WestJet, Air Canada and United Airlines all fly to Seattle and offer an alternative to Alaska Airlines.

  • How much is a flight to Seattle with Alaska Airlines?

    The average price for a round-trip with Alaska Airlines is C$ 417, while a one-way flight costs around C$ 290.

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Reviews of Alaska Airlines

See what Cheapflights users have to say about their Alaska Airlines experience.
Alaska Airlines
7.9
Good
10,000 reviews
Check prices
Overview

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.0

Comfort

7.8

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