Cheap flights from Alaska to Seattle from $203

In general, December is the cheapest month to fly from Alaska to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $157. If you don’t want to visit Seattle in December, then you should wait until May to fly from Alaska, when ticket prices are also cheap, with an average price of $158.

On average, the least expensive day to fly to Seattle from Alaska is on a Thursday. momondo users have found tickets for Thursday departures for as low as $568. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Alaska because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $764.

Flying to Seattle from Alaska at noon is the least expensive time of day to depart. momondo users have found prices as low as $496 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $694. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Seattle from Alaska when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $375 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Alaska for as low as $336 on momondo.

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

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

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from Alaska according to our data. Alaska Airlines is the first choice among our users, with 77% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

The number of flights available between Alaska and Seattle is 81 per day as of June 2026. The most frequent departure time is 7:00AM, with 42% of daily flights leaving at noon.

572 flights are operational weekly from Alaska to Seattle as of June 2026. The most popular departure day for this route is Thu, with 22% of flights per week taking off on this day.