Cheap flights from Washington to Houston from $91

The month of September is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from State of Washington, with most prices found around $347. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from State of Washington during the month January is also very affordable. Most momondo users find prices during this month for around $347.

The cheapest day to depart from State of Washington to Houston George Bush Intcntl Airport is on a Wednesday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Wednesday will often find tickets for as low as $497. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Monday is $613.

Our data shows that the cheapest State of Washington to Houston George Bush Intcntl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Houston George Bush Intcntl Airport in the afternoon for as low as $390. Try not to purchase tickets in the evening because they tend to be around $578. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Seattle/Tacoma Intl to Houston George Bush Intcntl for the best Washington - Houston George Bush Intcntl flight prices

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $405 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from State of Washington for as low as $208 on momondo.

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

Frontier, American Airlines, and Delta are the most popular carriers operating from Washington to Houston George Bush Intcntl

United Airlines, Alaska Airlines and Frontier are the top three most popular airlines that fly to Houston George Bush Intcntl Airport from State of Washington according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Houston George Bush Intcntl Airport. Keep in mind that there are 5 different airlines that fly to Houston George Bush Intcntl Airport on a routine basis, so you have a few additional options to choose from.

As of August 2026, there are 10 flights per day flying from State of Washington to Houston George Bush Intcntl Airport. The most common time of day flights depart is 5:00PM, with 41% of flights taking off in the afternoon.

The number of flights available between State of Washington and Houston George Bush Intcntl Airport is 72 per week as of August 2026. The most frequent departure day is Tue, with 26% of weekly flights leaving on this day.