Alaska Airlines flights from Seattle to San Diego (SEA - SAN)

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

  Seattle to San Diego flights on Alaska Airlines are currently available under $300. 17 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

• How do most travelers feel about Alaska Airlines?

  The general consensus from 8,746 Cheapflights users is that Alaska Airlines is a 6.4/10. Select your travel dates above for updated prices on flights from Seattle to San Diego (SEA-SAN).

Currently, the most affordable month to book a Alaska Airlines flight from Seattle to San Diego in October, with an average price of $288. Conversely, traveling with Alaska Airlines from Seattle to San Diego in June will be the most expensive, with an average cost of $364. 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 San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).