Cheap flights from Houston to Washington, D.C. from $139

The month of April is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Houston, with most prices found around $54. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $88.

The cheapest day to depart from Houston to Washington, D.C. Reagan-National Airport is on a Thursday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as $383. Flights from Houston to Washington, D.C. Reagan-National Airport on a Monday will generally be more expensive and average around $538. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Houston to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the afternoon. Our users have found flights to Washington, D.C. Reagan-National Airport in the afternoon for as low as $398. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is at noon when prices are around $531.

Fly from Houston Hobby to Washington, D.C. Reagan-National for the best Houston - Washington, D.C. Reagan-National flight prices

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $409 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Houston for as low as $284 on momondo.

There are 4 cabin classes available to choose from on Houston to Washington, D.C. Reagan-National Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, Southwest, and United Airlines are the most popular carriers operating from Houston to Washington, D.C. Reagan-National

United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Houston according to our data. United Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 4 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 23% of flights between Houston and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 128 minutes.

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

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

According to our data, Southwest have had the least number of delays on this route over the last 12 months; with about 23% of their flights experiencing any sort of delay.

As of May 2026, 16 flights take off from Houston and land in Washington, D.C. Reagan-National Airport each day. The most common flight departure time for this route is 7:00PM, with 39% of daily flights taking off at noon.

The number of flights available between Houston and Washington, D.C. Reagan-National Airport is 116 per week as of May 2026. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.