Cheap flights from Portland to Los Angeles from $78

The month of September is, on average, the cheapest month to fly to Los Angeles from Portland, with most prices found around $188. If you aren’t able to travel during the month of September, then book flights to Los Angeles from Portland during May instead. Flights to Los Angeles in May, while not as cheap as those in September, still average around $189.

Our data shows that Friday is the least expensive day to fly to Los Angeles. Tickets to fly out on this day can be as low as $268. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Los Angeles on Tuesday is $398.

Our most recent data shows that the best time of day to fly to Los Angeles is at noon. Flights from Portland to Los Angeles during this time can be as low as $213. In the afternoon is when there is more demand to fly to Los Angeles, so prices are often more expensive at around $377 per ticket.

Fly from Portland to Los Angeles for the best Portland - Los Angeles flight prices

You are more likely to see cheaper flights to Los Angeles from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Los Angeles for around $209 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Los Angeles from Portland for as low as $180 on momondo.

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

You could potentially save up to 1% on your flight if you consider stops on a Portland to Los Angeles flight.

As of February 2026, prices for Portland to Los Angeles flights are approximately 23% more expensive when compared to flights at the same time last year.

Delta is the most popular carrier operating from Portland to Los Angeles

Alaska Airlines, Frontier and Delta are the top three most popular airlines that fly to Los Angeles from Portland according to our data. Alaska Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Los Angeles. Keep in mind that there are 9 different airlines that fly to Los Angeles on a routine basis, so you have a few additional options to choose from.

Historically, on average around 7% of flights between Portland and Los Angeles have experienced a delay on any given week. The average delay length over the past 12 months has been 140 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, SkyWest Airlines have had the least number of delays on this route over the last 12 months; with about 5% of their flights experiencing any sort of delay.

As of February 2026, 57 flights take off from Portland and land in Los Angeles each day. The most common flight departure time for this route is 5:00PM, with 54% of daily flights taking off at noon.

The number of flights available between Portland and Los Angeles is 405 per week as of February 2026. The most frequent departure day is Fri, with 17% of weekly flights leaving on this day.