Cheap flights from Portland to Houston from $131

The month of January is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Portland, with most prices found around $291. If you are unable to visit Houston George Bush Intcntl Airport during the month of January, then departing from Portland during the month February is also very affordable. Most momondo users find prices during this month for around $347.

The cheapest day to depart from Portland to Houston George Bush Intcntl Airport is on a Saturday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Saturday will often find tickets for as low as $486. 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 $553.

Our data shows that the cheapest Portland to Houston George Bush Intcntl Airport flights are usually those with departure times at noon. Our users have found flights to Houston George Bush Intcntl Airport at noon for as low as $474. Try not to purchase tickets in the evening because they tend to be around $589. 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 Portland - Houston George Bush Intcntl flight prices

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $411 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 Portland for as low as $252 on momondo.

There are 4 cabin classes available to choose from on Portland 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.

You could potentially save up to 56% on your flight if you consider stops on a Portland to Houston George Bush Intcntl Airport flight.

As of October 2026, prices for Portland to Houston George Bush Intcntl Airport flights are approximately 30% more expensive when compared to flights at the same time last year.

Frontier is the most popular carrier operating from Portland 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 Portland according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Houston George Bush Intcntl Airport. Keep in mind that there are 4 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 October 2026, 1 flights take off from Portland and land in Houston George Bush Intcntl Airport each day. The most common flight departure time for this route is 6:00AM, with 67% of daily flights taking off at noon.

As of October 2026, there are 9 flights per week flying from Portland to Houston George Bush Intcntl Airport. The most common day of the week flights depart is Sat, with 56% of flights taking off on this day.