Cheap flights from Los Angeles to Portland from £81

The cheapest month to fly to Portland from Los Angeles is in October. Flight prices, which tend to average around £146, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in October, then you should wait until September to fly from Los Angeles, when ticket prices are also cheap, with an average price of £146.

The cheapest day to depart on your flight to Portland is on a Friday when prices can be found for as low as £205. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Wednesday, with ticket prices averaging around £669.

Flying to Portland from Los Angeles in the evening is the least expensive time of day to depart. momondo users have found prices as low as £221 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around £261. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Portland from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around £166 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Los Angeles for as low as £137 on momondo.

Historically, on average around 12% of flights between Los Angeles and Portland have experienced a delay on any given week. The average delay length over the past 12 months has been 132 minutes.

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

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Alaska Airlines have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

As of April 2026, there are 45 flights per day flying from Los Angeles to Portland. The most common time of day flights depart is 19:00, with 38% of flights taking off in the evening.

As of April 2026, 315 flights take off from Los Angeles and land in Portland each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.