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Cheap Flights from Portland (PDX) to Houston (IAH)

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      Compare Portland to Houston George Bush Intercntl. flight deals

      Find the cheapest month or even day of the year to fly to Houston George Bush Intercntl.

      Book the best Houston George Bush Intercntl. fare with no extra fees

      Flight deals from Portland to Houston George Bush Intercntl.

      Looking for a cheap last-minute deal or the best return flight from Portland Airport to Houston George Bush Intercntl. Airport? If you want to travel next month, return fares start from $330. Find the lowest prices on one-way and return tickets right here.
      Houston.$329 per passenger.Departing Thu, 12 Nov, returning Mon, 16 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Thu, 12 Nov, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Mon, 16 Nov, arriving in Portland.Price includes taxes and charges.From $329, select.
      Houston.$330 per passenger.Departing Thu, 1 Oct, returning Sat, 3 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Thu, 1 Oct, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat, 3 Oct, arriving in Portland.Price includes taxes and charges.From $330, select.
      Houston.$374 per passenger.Departing Fri, 25 Sep, returning Fri, 2 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Fri, 25 Sep, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Fri, 2 Oct, arriving in Portland.Price includes taxes and charges.From $374, select.
      Houston.$429 per passenger.Departing Fri, 25 Sep, returning Sun, 27 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Fri, 25 Sep, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sun, 27 Sep, arriving in Portland.Price includes taxes and charges.From $429, select.
      Houston.$437 per passenger.Departing Fri, 30 Oct, returning Sun, 1 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Fri, 30 Oct, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sun, 1 Nov, arriving in Portland.Price includes taxes and charges.From $437, select.
      Houston.$466 per passenger.Departing Sat, 7 Nov, returning Sat, 14 Nov.Return flight with United.Outbound direct flight with United departs from Portland on Sat, 7 Nov, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Sat, 14 Nov, arriving in Portland.Price includes taxes and charges.From $466, select.
      Houston.$467 per passenger.Departing Tue, 1 Dec, returning Tue, 8 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Tue, 1 Dec, arriving in Houston George Bush Intercntl..Inbound indirect flight with Delta, departs from Houston George Bush Intercntl. on Tue, 8 Dec, arriving in Portland.Price includes taxes and charges.From $467, select.
      Houston.$468 per passenger.Departing Wed, 30 Sep, returning Wed, 7 Oct.Return flight with United.Outbound direct flight with United departs from Portland on Wed, 30 Sep, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Wed, 7 Oct, arriving in Portland.Price includes taxes and charges.From $468, select.
      Houston.$468 per passenger.Departing Tue, 8 Dec, returning Tue, 15 Dec.Return flight with United.Outbound direct flight with United departs from Portland on Tue, 8 Dec, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 15 Dec, arriving in Portland.Price includes taxes and charges.From $468, select.
      Houston.$468 per passenger.Departing Sat, 3 Oct, returning Sat, 10 Oct.Return flight with United.Outbound direct flight with United departs from Portland on Sat, 3 Oct, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Sat, 10 Oct, arriving in Portland.Price includes taxes and charges.From $468, select.
      Houston.$469 per passenger.Departing Sat, 31 Oct, returning Sat, 7 Nov.Return flight with United.Outbound direct flight with United departs from Portland on Sat, 31 Oct, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Sat, 7 Nov, arriving in Portland.Price includes taxes and charges.From $469, select.
      Houston.$510 per passenger.Departing Sat, 30 Jan, returning Thu, 4 Feb.Return flight with United.Outbound direct flight with United departs from Portland on Sat, 30 Jan, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Thu, 4 Feb, arriving in Portland.Price includes taxes and charges.From $510, select.
      Houston.$511 per passenger.Departing Sun, 10 Jan, returning Sat, 16 Jan.Return flight with United.Outbound direct flight with United departs from Portland on Sun, 10 Jan, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Sat, 16 Jan, arriving in Portland.Price includes taxes and charges.From $511, select.
      Houston.$525 per passenger.Departing Sat, 13 Feb, returning Sun, 21 Feb.Return flight with United.Outbound indirect flight with United, departs from Portland on Sat, 13 Feb, arriving in Houston George Bush Intercntl..Inbound indirect flight with United, departs from Houston George Bush Intercntl. on Sun, 21 Feb, arriving in Portland.Price includes taxes and charges.From $525, select.
      Houston.$550 per passenger.Departing Fri, 25 Sep, returning Sun, 27 Sep.Return flight with United.Outbound direct flight with United departs from Portland on Fri, 25 Sep, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Sun, 27 Sep, arriving in Portland.Price includes taxes and charges.From $550, select.
      Houston.$552 per passenger.Departing Mon, 8 Feb, returning Fri, 19 Feb.Return flight with United.Outbound direct flight with United departs from Portland on Mon, 8 Feb, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Fri, 19 Feb, arriving in Portland.Price includes taxes and charges.From $552, select.

      Find the cheapest month to fly from Portland to Houston George Bush Intercntl.

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Houston George Bush Intercntl. flights are currently cheapest in November.
      Sep
      from $428
      Oct
      from $330
      Nov
      from $329
      Dec
      from $466
      Jan
      from $510
      Feb
      from $524
      Mar
      from $599
      Apr
      from $703
      May
      from $763
      Jun
      Find prices
      Jul
      Find prices
      Aug
      Find prices

      Direct flights from Portland to Houston George Bush Intercntl.

      Alaska Airlines
      Qatar Airways
      Turkish Airlines
      United

      Portland to Houston George Bush Intercntl.: Alternative routes

      Compare routes from Portland to Houston below. You may find an airport to fly into that's cheaper, faster, or easier than Houston George Bush Intercntl..

      Houston Hobby

      15km from central Houston
      Closest
      from $466
      Search flights

      Houston George Bush Intercntl.

      25km from central Houston
      Cheapest
      from $329
      Search flights

      Houston Ellington Field

      28km from central Houston
      Search flights

      Portland to Houston: Flight information

      The things to know before you go.
      Cheapest flight found$329
      Cheapest month to flyNovember
      Average flight time4 hrs, 15 mins
      Most popular airlineQatar Airways
      Average flights per week39

      Finding cheap flights from Portland to Houston George Bush Intercntl.: Frequently asked questions

      The best price we found for a return flight from Portland to Houston George Bush Intercntl. is $329. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      4 hours and 15 minutes is the average flight time from Portland to Houston George Bush Intercntl..
      Qatar Airways, United and Alaska Airlines fly direct from Portland to Houston George Bush Intercntl..
      As of September 2026, there are 39 flights per week flying from Portland to Houston George Bush Intercntl..
      The cheapest month to fly from Portland to Houston George Bush Intercntl. is usually November.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Houston George Bush Intercntl. Airport on Thursday, 12 November 2026.
      Yes – the average flight time is 4 hours and 15 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston George Bush Intercntl. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Frontier Airlines and United offer the cheapest flight tickets to Houston George Bush Intercntl..

      Flying from Portland Airport (PDX) to Houston George Bush Intercntl. Airport (IAH): what you need to know

      • Take a direct flight from Portland Airport to Houston George Bush Intercntl. Airport and you'll be travelling for an average of 4 hours 15 minutes.

      • The timezone in Houston is UTC-6, which is two hours ahead of Portland.

      • Flights from PDX to IAH start at 06:40 — the earliest with United Airlines. The last departure is at 23:59 with United Airlines. In total, you can choose from 22 weekly Portland Airport to Houston George Bush Intercntl. Airport flights.

      • Your PDX to IAH flight won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

      • Be prepared for longer lines in popular months such as July. Arriving up to four hours in advance for international flights and two hours for domestic departures is a good idea.

      • United has direct flights from Portland Airport to Houston George Bush Intercntl. Airport. Book with this popular carrier, then get ready to check out the sights in Houston — and maybe even more of the United States if you have time.

      • United has the highest passenger demand on this route.

      • With an impressive 85.71% of services arriving as scheduled, United is the most punctual carrier operating PDX to IAH flights.

      • We make it simple to book a flight with a stopover. To see all your options for tickets from Portland Airport to Houston George Bush Intercntl. Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to explore your chosen city. Top stopovers between PDX and IAH include:

        • Dallas Fort Worth International Airport

        • Denver International Airport

        • Dallas Love Field Airport

      How to find the cheapest flights from Portland Airport (PDX) to Houston George Bush Intercntl. Airport (IAH)

      • $165 is the lowest price for a one-way Portland Airport to Houston George Bush Intercntl. Airport flight. A return flight starts at $329. These prices can change based on availability.

      • To score cheap tickets from PDX to IAH, reserve your trip one month before your departure date.

      • Plan your trip for June. That's the cheapest month for flights from Portland Airport to Houston George Bush Intercntl. Airport. If you're flexible on when you fly, use the 'Whole month' tool to find the cheapest price across every month.

      • Never miss a deal on cheap flights from PDX to IAH by creating a Price Alert. We'll send you an email or notification through the app when a special offer becomes available.

      • Secure the right flight for you with the help of the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Portland Airport to Houston George Bush Intercntl. Airport, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and journey duration.

      Handy information about Portland Airport (PDX)

      • You'll find PDX at 7000 NE Airport Way.

      • Portland Airport has an excellent on-time record, making delays less likely. Departures from PDX land at their destination as scheduled 83% of the time.

      • To get to Portland Airport from central Portland, it'll take about 20 minutes by car. Of course, this depends on traffic. It's approximately 19 kilometres from the airport to the city centre.

      • Expect a journey time of roughly 40 minutes when using public transport.

      • Get your trip off to a leisurely start by staying near PDX. Whether you're boarding an early flight from Portland Airport to Houston George Bush Intercntl. Airport or just don't like being rushed, these stays are the answer:

      Arriving at Houston George Bush Intercntl. Airport (IAH)

      Getting from Houston George Bush Intercntl. Airport (IAH) to central Houston

      • You'll find IAH at 16930 JFK Boulevard.

      • From Houston George Bush Intercntl. Airport, Houston is approximately 40 kilometres away. It takes around 30 minutes to drive to the centre.

      • Getting to the centre on public transport typically takes 1 hour 10 minutes.

      When to fly to Houston George Bush Intercntl. Airport (IAH)

      • It's time to choose your travel dates for your flight from Portland Airport to Houston George Bush Intercntl. Airport. July is the busiest month to head to Houston. If you like a more relaxed vibe, go in September.

      • Lock in your flight from Portland Airport to Houston George Bush Intercntl. Airport for August if you'd like to explore Houston during its warmest month. You can expect temperatures of between 24ºC (75ºF) and 40ºC (104ºF).

      • January has average temperatures of between 5ºC (41ºF) and 19ºC (66ºF). Search for cheap tickets from PDX to IAH sometime then if you want to travel in cooler conditions.

      Explore more of the United States

      • Houston has loads to offer, but there are so many other corners of the United States just waiting to be discovered. About 306 kilometres west of Houston, a trip to San Antonio will keep you busy. Start with leading attractions like San Antonio River Walk, San Antonio River walk and Alamo Plaza.

      • Dallas is another well-known destination in the United States and is around 370 kilometres north of Houston. No journey is complete without experiencing Meyerson Symphony Centre, Winspear Opera House and Dallas Museum of Art.

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      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.