Alaska Airlines flights from Los Angeles to Washington, D.C. (LAX - WAS)

• Can I get a flight from Los Angeles to Washington, D.C. on Alaska Airlines for under $400?

  Alaska Airlines offers 50 flights from Los Angeles to Washington, D.C. for under $400. Prices vary by date and time. To see all prices and select your dates, click here.

• How do most travelers feel about Alaska Airlines?

  9,141 Cheapflights users have left reviews for Alaska Airlines and have rated the airline 8.0/10. If you are looking to travel from Los Angeles to Washington, D.C. on Alaska Airlines, input your dates in the form above for our best prices!

Currently, the most affordable month to book a Alaska Airlines flight from Los Angeles to Washington, D.C. in September, with an average price of $279. Conversely, traveling with Alaska Airlines from Los Angeles to Washington, D.C. in June will be the most expensive, with an average cost of $395. 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 Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).