Cheap flights from Oregon to Houston from $121

The month of August is, on average, the cheapest month to fly to Houston from Oregon, with most prices found around $70. The month of October is another great option to travel to Houston, with average flight prices from Oregon averaging around $88.

Our data shows that the cheapest Oregon to Houston flights are usually those with departure times in the morning. Our users have found flights to Houston in the morning for as low as $466. Try not to purchase tickets in the evening because they tend to be around $548. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Portland to Houston George Bush Intcntl for the best Oregon - Houston flight prices

You are more likely to see cheaper flights to Houston from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $347 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Oregon for as low as $278 on momondo.

Frontier, Delta, and Southwest are the most popular carriers operating from Oregon to Houston

Alaska Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Houston from Oregon according to our data. Alaska Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 7 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

As of June 2026, there are 5 flights per day flying from Oregon to Houston. The most common time of day flights depart is 7:00AM, with 43% of flights taking off at noon.

As of June 2026, there are 35 flights per week flying from Oregon to Houston. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.