Cheap flights from Portland to Alaska from $179

If you don’t want to visit Alaska in January, then you should wait until May to fly from Portland, when ticket prices are also cheap, with an average price of $169.

The cheapest day to depart from Portland to Alaska is on a Thursday. Travelers who choose to depart for Alaska on a Thursday will often find tickets for as low as $442. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Alaska for around $517.

Our data shows that the cheapest Portland to Alaska flights are usually those with departure times at noon. Our users have found flights to Alaska at noon for as low as $414. In the afternoon is when there is more demand to fly to Alaska, so prices are often more expensive at around $509 per ticket.

Fly from Portland to Fairbanks for the best Portland - Alaska flight prices

You are more likely to see cheaper flights to Alaska from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Alaska for around $394 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alaska from Portland for as low as $360 on momondo.

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Portland to Alaska

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Alaska from Portland according to our data. Alaska Airlines is the first choice among our users, with 88% 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.

4 flights are operational daily from Portland to Alaska as of April 2026. The most popular departure time for this route is 9:00PM, with 37% of flights per day taking off at noon.

As of April 2026, 31 flights take off from Portland and land in Alaska each week. The most common flight departure day for this route is Thu, with 23% of weekly flights taking off on this day.