August is the cheapest month to fly this route, with average fares around $156 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $179 | $118 | ||
| June 2026 | $195 | $139 | Peak | |
| July 2026 | $176 | $99 | ||
| August 2026 | $156 | $114 | Best |
Departing on Saturday offers the lowest average fares at $156. Wednesday departures are the most expensive at $199, a difference of $43.
The best time to fly is August. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Portland to Los Angeles is August, with average round-trip fares around $156. The lowest fare found in August is $114.
Saturday departures are the cheapest, averaging $156 round trip. The most expensive day is Wednesday at $199.
Based on current pricing trends, booking for August travel offers the best value. Avoid June if possible, as fares average $195 compared to $156 in the cheapest month. May is a solid middle-ground option at $179.
Flying in August instead of June can save you approximately $39 per round trip. The cheapest month averages $156 while the most expensive averages $195.
Airlines, flight times, price calendar, and more for Portland to Los Angeles
View PDX → LAX Details