Cheap flights from Seattle to Alaska from $155

If you don’t want to visit Alaska in January, then you should wait until February to fly from Seattle, when ticket prices are also cheap, with an average price of $338.

The cheapest day to depart from Seattle to Alaska is on a Wednesday. Travelers who choose to depart for Alaska on a Wednesday will often find tickets for as low as $455. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Alaska for around $513.

Our data shows that the cheapest Seattle to Alaska flights are usually those with departure times in the morning. Our users have found flights to Alaska in the morning for as low as $462. In the evening is when there is more demand to fly to Alaska, so prices are often more expensive at around $495 per ticket.

Fly from Seattle/Tacoma Intl to Anchorage for the best Seattle/Tacoma Intl - Alaska flight prices

You are more likely to see cheaper flights to Alaska from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Alaska for around $408 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alaska from Seattle for as low as $355 on momondo.

There are 4 cabin classes available to choose from on Seattle to Alaska flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Alaska

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Alaska from Seattle according to our data. Alaska Airlines is the first choice among our users, with 79% of people opting to fly with this airline when traveling to Alaska. Keep in mind that there are 3 different airlines that fly to Alaska on a routine basis, so you have a few additional options to choose from.

28 flights are operational daily from Seattle to Alaska as of October 2026. The most popular departure time for this route is 9:00PM, with 43% of flights per day taking off in the evening.

The number of flights available between Seattle and Alaska is 196 per week as of October 2026. The most frequent departure day is Fri, with 58% of weekly flights leaving on this day.