Cheap flights from Los Angeles to Washington, D.C. from £109

The month of September is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Los Angeles, with most prices found around £277. If you aren’t able to travel during the month of September, then book flights to Washington, D.C. Dulles Intl Airport from Los Angeles during October instead. Flights to Washington, D.C. Dulles Intl Airport in October, while not as cheap as those in September, still average around £279.

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the evening when flights can be purchased for as low as £415. In contrast, the most expensive time of day to depart to Washington, D.C. Dulles Intl Airport is in the morning when prices are around £482.

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 £323 when searching weeks before you fly. 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 £260 on momondo.

There are 2 cabin classes available to choose from on Los Angeles to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 33% on your flight if you consider stops on a Los Angeles to Washington, D.C. Dulles Intl Airport flight.

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 138 minutes.

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

Tuesday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

As of August 2026, there are 14 flights per day flying from Los Angeles to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 08:00, with 47% of flights taking off at midday.

98 flights are operational weekly from Los Angeles to Washington, D.C. Dulles Intl Airport as of August 2026. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.