$133 Find Cheap Flights from Houston to Washington Dulles Airport - Compare and Save

The cheapest return flight from Houston to Washington, D.C. Dulles Intl Airport costs $292 on the route between Houston George Bush Intcntl Airport (IAH) and Washington, D.C. Dulles Intl Airport (IAD). It is also the most popular route.

For Houston to Washington Dulles Airport, Monday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Washington Dulles Airport back to Houston, the best deals are generally found on Saturday, with Monday being the most expensive.

In the past 5 days, the cheapest round-trip tickets from Houston to Washington Dulles Airport were found on Frontier ($224) and Delta ($289).

There are 2 airlines that fly nonstop from Houston to Washington, D.C. Dulles Intl Airport. They are Frontier and United Airlines. The cheapest airline for this route is Frontier, with the best round-trip deal found costing $113. On average, the best prices for this route can be found at Frontier.

Weekly flights between Houston and Washington, D.C. historically see delays in approximately 29% of cases, with the average delay over the past year being 60 minutes.

Typically, flights leaving in the early afternoon tend to face fewer delays, whereas flights in the morning have historically encountered delays more often.

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 4 and 6 nonstop flights that take off from Houston and land in Washington, D.C. Dulles Intl Airport, with an average flight time of 3h 08m. The most common departure time is 7:00 pm and most flights take off in the morning. Each week, there are 37 flights. The most frequent day of departure is Thursday, when 16% of all weekly flights depart. The fewest flights depart on a Tuesday.