Cheap flights from Los Angeles to Washington, D.C. from $147

In general, July is the cheapest month to fly from Los Angeles to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $348. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $357.

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $434. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Los Angeles to Washington, D.C. Dulles Intl Airport for around $593.

Flying to Washington, D.C. Dulles Intl Airport from Los Angeles in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $403 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $581 on average. Flights to Washington, D.C. Dulles Intl Airport from Los Angeles at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Los Angeles to Washington, D.C. Dulles Intl for the best Los Angeles - Washington, D.C. Dulles Intl flight prices

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $408 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Los Angeles for as low as $280 on momondo.

You could potentially save up to 18% on your flight if you consider stops on a Los Angeles to Washington, D.C. Dulles Intl Airport flight.

As of April 2026, prices for Los Angeles to Washington, D.C. Dulles Intl Airport flights are approximately 19% more expensive when compared to flights at the same time last year.

United Airlines is the most popular carrier operating from Los Angeles to Washington, D.C. Dulles Intl

United Airlines, Alaska Airlines and Frontier are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Los Angeles according to our data. United Airlines is the first choice among our users, with 83% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 9 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between Los Angeles and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 141 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

Denver (DEN) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

Flights via Las Vegas (LAS) offer the lowest average round-trip price of $176.

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 6h 34m.

Denver (DEN) has the shortest average layover time for this route: 1h 19m.

As of April 2026, there are 11 flights per day flying from Los Angeles to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 9:00PM, with 40% of flights taking off in the evening.

The number of flights available between Los Angeles and Washington, D.C. Dulles Intl Airport is 79 per week as of April 2026. The most frequent departure day is Wed, with 33% of weekly flights leaving on this day.