Cheap flights from Portland to Alaska from $158

If you don’t want to visit Alaska in January, then you should wait until April to fly from Portland, when ticket prices are also cheap, with an average price of $356.

The cheapest day to depart from Portland to Alaska is on a Friday. Travelers who choose to depart for Alaska on a Friday will often find tickets for as low as $448. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Alaska for around $567.

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 $452. In the morning is when there is more demand to fly to Alaska, so prices are often more expensive at around $513 per ticket.

Fly from Portland to Anchorage 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 $429 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 $424 on momondo.

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

2 flights are operational daily from Portland to Alaska as of September 2026. The most popular departure time for this route is 9:00PM, with 42% of flights per day taking off in the afternoon.

As of September 2026, 14 flights take off from Portland and land in Alaska each week. The most common flight departure day for this route is Wed, with 29% of weekly flights taking off on this day.