Cheap flights from Portland to Austin from $109

The cheapest month to fly to Austin from Portland is in January. Flight prices, which tend to average around $275, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in January, then August is your next best option. Flight prices from Portland to Austin during August average around $275.

The cheapest day to depart on your flight to Austin is on a Wednesday when prices can be found for as low as $333. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Austin for around $459.

In the afternoon is the cheapest time of day to fly from Portland to Austin when you can find flight prices for as low as $337. Flying to Austin in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly at noon, with an average ticket price of $502. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Portland to Austin Bergstrom for the best Portland - Austin Bergstrom flight prices

You are more likely to see cheaper flights to Austin from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $321 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Portland for as low as $255 on momondo.

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

Delta, Southwest, and Alaska Airlines are the most popular carriers operating from Portland to Austin Bergstrom

Alaska Airlines, Southwest and Delta are the top three most popular airlines that fly to Austin from Portland according to our data. Alaska Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Austin. Keep in mind that there are 8 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.

Phoenix (PHX) was the most common stop: 29% of momondo users choosing 1-stop flights on this route connected there.

Flights via Los Angeles (LAX) offer the lowest average round-trip price of $138.

Flights connecting via Salt Lake City (SLC) have the shortest average one-way travel time: 5h 35m.

Seattle (SEA) has the shortest average layover time for this route: 0h 50m.

As of March 2026, 3 flights take off from Portland and land in Austin each day. The most common flight departure time for this route is 10:00AM, with 85% of daily flights taking off at noon.

As of March 2026, there are 23 flights per week flying from Portland to Austin. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.