Cheap flights from Seattle to Los Angeles from $148

The month of March is another great option to travel to Los Angeles, with average flight prices from Seattle averaging around $319.

According to our data, Thursday is the cheapest day to fly to Los Angeles from Seattle. The lowest ticket price found for a Thursday departure recently was $393. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $2,897. These prices are subject to change though, so be sure to set up a Price Alert for flights to Los Angeles.

Flying to Los Angeles from Seattle in the morning is the least expensive time of day to depart. momondo users have found prices as low as $356 when looking at flights departing in the morning. Flights to Los Angeles are more costly at midday, with an average ticket price of $1,297. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Seattle/Tacoma Intl to Los Angeles for the best Seattle/Tacoma Intl - Los Angeles flight prices

You are more likely to see cheaper flights to Los Angeles from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Los Angeles for around $360 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Los Angeles from Seattle for as low as $258 on momondo.

There are 3 cabin classes available to choose from on Seattle to Los Angeles flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 11% of flights between Seattle 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 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, United Airlines have had the fewest delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.

As of June 2026, 77 flights take off from Seattle and land in Los Angeles each day. The most common flight departure time for this route is 07:00, with 44% of daily flights taking off in the afternoon.

The number of flights available between Seattle and Los Angeles is 543 per week as of June 2026. The most frequent departure day is Thu, with 22% of weekly flights leaving on this day.