Alaska Airlines flights from Los Angeles to Seattle (LAX - SEA)

• Can I get a flight from Los Angeles to Seattle on Alaska Airlines for under $300?

  Cheapflights currently has 43 LAX-SEA flights for under $300. Flights to Seattle will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.

• How do most travelers feel about Alaska Airlines?

  The average rating from 4,634 Alaska Airlines reviews by Cheapflights users is 7.6 (out of a maximum rating of 10). If you are considering flying LAX-SEA with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to Seattle with Alaska Airlines.

Currently, the most affordable month to book a Alaska Airlines flight from Los Angeles to Seattle in December, with an average price of $244. Conversely, traveling with Alaska Airlines from Los Angeles to Seattle in July will be the most expensive, with an average cost of $408. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).