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

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      Travellers and cabin class, 1 Adult, Economy
      United
      SkyWest Airlines

      Compare Houston George Bush Intercntl. to Portland flight deals

      Find the cheapest month or even day of the year to fly to Portland

      Book the best Portland fare with no extra fees

      Flight deals from Houston George Bush Intercntl. to Portland

      Looking for a cheap last-minute deal or the best return flight from Houston George Bush Intercntl. Airport to Portland Airport? If you want to travel next month, return fares start from $489. Find the lowest prices on one-way and return tickets right here.
      Portland.$489 per passenger.Departing Fri, 23 Oct, returning Mon, 26 Oct.Return flight with Frontier Airlines and Breeze Airways.Outbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Fri, 23 Oct, arriving in Portland.Inbound indirect flight with Breeze Airways, departs from Portland on Mon, 26 Oct, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $489, select.
      Portland.$524 per passenger.Departing Mon, 4 Jan, returning Wed, 6 Jan.Return flight with United.Outbound indirect flight with United, departs from Houston George Bush Intercntl. on Mon, 4 Jan, arriving in Portland.Inbound indirect flight with United, departs from Portland on Wed, 6 Jan, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $524, select.
      Portland.$552 per passenger.Departing Fri, 4 Dec, returning Sun, 6 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Houston George Bush Intercntl. on Fri, 4 Dec, arriving in Portland.Inbound indirect flight with Delta, departs from Portland on Sun, 6 Dec, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $552, select.
      Portland.$552 per passenger.Departing Fri, 6 Nov, returning Sun, 8 Nov.Return flight with United.Outbound indirect flight with United, departs from Houston George Bush Intercntl. on Fri, 6 Nov, arriving in Portland.Inbound indirect flight with United, departs from Portland on Sun, 8 Nov, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $552, select.
      Portland.$616 per passenger.Departing Sat, 26 Sep, returning Mon, 28 Sep.Return flight with United.Outbound indirect flight with United, departs from Houston George Bush Intercntl. on Sat, 26 Sep, arriving in Portland.Inbound indirect flight with United, departs from Portland on Mon, 28 Sep, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $616, select.
      Portland.$661 per passenger.Departing Wed, 30 Sep, returning Sun, 4 Oct.Return flight with United.Outbound indirect flight with United, departs from Houston George Bush Intercntl. on Wed, 30 Sep, arriving in Portland.Inbound indirect flight with United, departs from Portland on Sun, 4 Oct, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $661, select.
      Portland.$686 per passenger.Departing Thu, 6 May, returning Sun, 9 May.Return flight with United.Outbound indirect flight with United, departs from Houston George Bush Intercntl. on Thu, 6 May, arriving in Portland.Inbound indirect flight with United, departs from Portland on Sun, 9 May, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $686, select.
      Portland.$811 per passenger.Departing Sun, 6 Jun, returning Mon, 7 Jun.Return flight with United.Outbound indirect flight with United, departs from Houston George Bush Intercntl. on Sun, 6 Jun, arriving in Portland.Inbound indirect flight with United, departs from Portland on Mon, 7 Jun, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $811, select.
      Portland.$1,252 per passenger.Departing Wed, 30 Jun, returning Tue, 6 Jul.Return flight with United.Outbound indirect flight with United, departs from Houston George Bush Intercntl. on Wed, 30 Jun, arriving in Portland.Inbound indirect flight with United, departs from Portland on Tue, 6 Jul, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From $1,252, select.

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

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston George Bush Intercntl. to Portland flights are currently cheapest in October.
      Sep
      from $616
      Oct
      from $489
      Nov
      from $552
      Dec
      from $552
      Jan
      from $524
      Feb
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      Mar
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      Apr
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      May
      from $686
      Jun
      from $811
      Jul
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      Aug
      Find prices

      Direct flights from Houston George Bush Intercntl. to Portland

      SkyWest Airlines
      United

      Houston George Bush Intercntl. to Portland: Alternative routes

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

      Portland

      4km from central Portland
      ClosestCheapest
      from $489
      Search flights

      Portsmouth

      79km from central Portland
      Search flights

      Augusta

      82km from central Portland
      Search flights

      Houston to Portland: Flight information

      The things to know before you go.
      Cheapest flight found$489
      Cheapest month to flyOctober
      Average flight time4 hrs, 2 mins
      Most popular airlineUnited
      Average flights per week2

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

      The best price we found for a return flight from Houston George Bush Intercntl. to Portland is $489. 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 2 minutes is the average flight time from Houston George Bush Intercntl. to Portland.
      United and SkyWest Airlines fly direct from Houston George Bush Intercntl. to Portland.
      As of September 2026, there are 2 flights per week flying from Houston George Bush Intercntl. to Portland.
      The cheapest month to fly from Houston George Bush Intercntl. to Portland is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to Portland Airport on Friday, 23 October 2026.
      Yes – the average flight time is 4 hours and 2 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 Portland 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 Portland is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Frontier Airlines offers the cheapest flight tickets to Portland.

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

      • Around 4 hours 5 minutes is how long you'll be travelling on a direct flight from Houston George Bush Intercntl. Airport to Portland Airport.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Get to the airport on time to catch your IAH to PWM flight.

      • Be prepared for bigger queues in popular months like July. Arriving up to four hours ahead of international flights and two hours for a domestic departure will help ensure a smooth travel experience.

      • United offers direct flights from Houston George Bush Intercntl. Airport to Portland Airport. Book with this popular airline, then get ready to tick off the sights in Portland — and maybe even more of the United States if your schedule allows.

      • The majority of travellers choose to travel with United on this route.

      • We make it easy to book a flight with a stopover. To see your options for tickets from Houston George Bush Intercntl. Airport to Portland Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to visit the city of your choice. Popular stopovers between IAH and PWM include:

        • Detroit Wayne County Airport

        • Washington Ronald Reagan Airport

        • Washington Dulles Airport

      Handy information about Houston George Bush Intercntl. Airport (IAH)

      • You'll find IAH at 16930 JFK Boulevard.

      • When it comes to the on-time performance of Houston George Bush Intercntl. Airport, data shows 79% of flights meet their scheduled arrival time.

      • Houston George Bush Intercntl. Airport is about 40 kilometres from central Houston. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 30 minutes or so to arrive, depending on the traffic.

      • Taking public transport? You can expect a journey time of around 1 hour 10 minutes.

      • Searching for a convenient hotel close to IAH? If you're catching an early flight from Houston George Bush Intercntl. Airport to Portland Airport, these stays will put you moments from your check-in counter:

      Arriving at Portland Airport (PWM)

      Getting from Portland Airport (PWM) to central Portland

      • The address for PWM is 1001 Westbrook Street.

      • From Portland Airport, Portland is approximately 8 kilometres away. It takes around 15 minutes to reach the centre by car.

      • It takes around 30 minutes if you're using public transport.

      When to fly to Portland Airport (PWM)

      • Carefully consider your trip dates before locking in your flight from Houston George Bush Intercntl. Airport to Portland Airport. Portland in peak season has a lively feel, but hotel rates are usually higher and top attractions can be busy. Plan your visit in the low season if you want a more laid-back vibe.

      • The warmest month in Portland is July, with the temperature ranging between 14ºC (57ºF) and 25ºC (77ºF). Lock in your flights from Houston George Bush Intercntl. Airport to Portland Airport in this month if this is the type of weather you like.

      • January has average temperatures of between -10ºC (14ºF) and 3ºC (37ºF). Look for cheap tickets from IAH to PWM sometime then if you like cooler conditions.

      Explore more of the United States

      • You've done Portland, now it's time to discover other parts of the United States. Travel around 451 kilometres south-west to New York to tick off its must-visit sights. From Central Park to Statue of Liberty and Metropolitan Museum of Art, you'll have a packed itinerary ahead.

      • Boston is another must-experience destination in the United States and is around 161 kilometres south-west of Portland. No trip is complete without seeing Museum of Fine Arts Boston, Freedom Trail and USS Constitution Museum.

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      Plan the rest of your trip from Houston to Portland

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