Cheap flights from Los Angeles to Seattle from C$ 123

If you aren’t able to travel to Seattle during the month of March, then flying in May is also cheap. Prices for this month can be found on momondo for an average of C$ 299.

Our data shows that Friday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 243. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 1,108. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

Our most recent data shows that the best time of day to fly to Seattle is in the evening. Flights from Los Angeles to Seattle during this time can be as low as C$ 199. Flights in the morning are often more expensive with an average ticket price of C$ 848.

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

You are more likely to see cheaper flights to Seattle from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 333 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Los Angeles for as low as C$ 269 on momondo.

There are 4 cabin classes available to choose from on Los Angeles to Seattle 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 9% on your flight if you consider stops on a Los Angeles to Seattle flight.

As of May 2026, prices for Los Angeles to Seattle flights are approximately 34% cheaper when compared to flights at the same time last year.

Historically, on average around 11% of flights between Los Angeles and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 149 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.

Tuesday 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 has had the least delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

The number of flights available between Los Angeles and Seattle is 74 per day as of May 2026. The most frequent departure time is 12:00p.m., with 45% of daily flights leaving in the afternoon.

As of May 2026, there are 521 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Fri, with 19% of flights taking off on this day.