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

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

  Los Angeles to Washington, D.C. flights on United Airlines are currently available under $400. 50 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

• How do most travelers feel about United Airlines?

  United Airlines has received a 8.0/10 rating from 9,109 Cheapflights user reviews. If you wish to plan your next trip from Los Angeles to Washington, D.C. with United Airlines, enter your preferred travel dates above!

Currently, the most affordable month to book a United Airlines flight from Los Angeles to Washington, D.C. in September, with an average price of $280. Conversely, traveling with United Airlines from Los Angeles to Washington, D.C. in June will be the most expensive, with an average cost of $398. 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).