Cheap flights from Washington to Houston from $137

The month of January is, on average, the cheapest month to fly to Houston from State of Washington, with most prices found around $399. The month of March is another great option to travel to Houston, with average flight prices from State of Washington averaging around $401.

On average, the least expensive day to fly to Houston from State of Washington is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $472. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Tuesday is $650.

Our data shows that the cheapest State of Washington to Houston flights are usually those with departure times in the afternoon. Our users have found flights to Houston in the afternoon for as low as $448. Try not to purchase tickets in the evening because they tend to be around $608. 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 flight prices

You are more likely to see cheaper flights to Houston from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $453 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from State of Washington for as low as $388 on momondo.

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

Frontier, Southwest, and United Airlines are the most popular carriers operating from Washington to Houston

Alaska Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Houston from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 6 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

As of November 2026, there are 5 flights per day flying from State of Washington to Houston. The most common time of day flights depart is 5:00PM, with 51% of flights taking off in the afternoon.

The number of flights available between State of Washington and Houston is 41 per week as of November 2026. The most frequent departure day is Sat, with 24% of weekly flights leaving on this day.