Cheap flights from Houston to District of Columbia from $77

In general, October is the cheapest month to fly from Houston to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $184. If you don’t want to visit District of Columbia in October, then you should wait until January to fly from Houston, when ticket prices are also cheap, with an average price of $197.

The cheapest day to depart on your flight to District of Columbia is on a Thursday when prices can be found for as low as $340. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from Houston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $392.

Flying to District of Columbia from Houston at noon is the least expensive time of day to depart. momondo users have found prices as low as $471 when looking at flights departing at noon. Flights to District of Columbia are more costly in the afternoon, with an average ticket price of $740. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Houston George Bush Intcntl to Baltimore/Washington for the best Houston - District of Columbia flight prices

You are more likely to see cheaper flights to District of Columbia from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $346 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Houston for as low as $189 on momondo.

There are 4 cabin classes available to choose from on Houston to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Frontier, United Airlines, and Southwest are the most popular carriers operating from Houston to District of Columbia

United Airlines, Spirit Airlines and Southwest are the top three most popular airlines that fly to District of Columbia from Houston according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 6 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

As of February 2026, there are 22 flights per day flying from Houston to District of Columbia. The most common time of day flights depart is 6:00PM, with 40% of flights taking off in the afternoon.

As of February 2026, 159 flights take off from Houston and land in District of Columbia each week. The most common flight departure day for this route is Fri, with 21% of weekly flights taking off on this day.