Cheap flights from Seattle to Los Angeles from C$ 137

The month of March is, on average, the cheapest month to fly to Los Angeles from Seattle, with most prices found around C$ 304. If you’re not able to fly to Los Angeles in March, then May is your next best option. Flight prices from Seattle to Los Angeles during May average around C$ 309.

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 C$ 257. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Los Angeles is Tuesday, with ticket prices averaging around C$ 393.

In the evening is the cheapest time of day to fly from Seattle to Los Angeles when you can find flight prices for as low as C$ 220. Flying to Los Angeles in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around C$ 606. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 C$ 373 when searching weeks out. 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 C$ 272 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.

No. A direct flight is the cheapest option for a flight between Seattle to Los Angeles.

As of October 2026, prices for Seattle to Los Angeles flights are approximately 19% cheaper when compared to flights at the same time last year.

Frontier and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Los Angeles

Frontier, Alaska Airlines and Delta are the top three most popular airlines that fly to Los Angeles from Seattle according to our data. Frontier is the first choice among our users, with 62% of people opting to fly with this airline when travelling to Los Angeles. Keep in mind that there are 6 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 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 141 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. Thursday has historically seen more delays on average compared to the rest of the week.

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

As of October 2026, there are 71 flights per day flying from Seattle to Los Angeles. The most common time of day flights depart is 7:00a.m., with 49% of flights taking off in the afternoon.

The number of flights available between Seattle and Los Angeles is 497 per week as of October 2026. The most frequent departure day is Thu, with 23% of weekly flights leaving on this day.