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Cheap Flights from Portland to Houston

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Flight deals from Portland to Houston

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Houston? If you want to travel next month, return fares start from R 4,428. Find the lowest prices on one-way and return tickets right here.
Houston.R 2,169 per passenger.Departing Fri, 18 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Fri, 18 Sep, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From R 2,169, select.
Houston.R 2,273 per passenger.Departing Sat, 3 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Sat, 3 Oct, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From R 2,273, select.
Houston.R 2,317 per passenger.Departing Wed, 1 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Wed, 1 Jul, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From R 2,317, select.
Houston.R 2,322 per passenger.Departing Wed, 12 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Wed, 12 Aug, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From R 2,322, select.
Houston.R 2,512 per passenger.Departing Mon, 16 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Mon, 16 Nov, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From R 2,512, select.
Houston.R 2,530 per passenger.Departing Mon, 8 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Mon, 8 Jun, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From R 2,530, select.
Houston.R 2,929 per passenger.Departing Sat, 6 Jun.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Portland on Sat, 6 Jun, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From R 2,929, select.
Houston.R 3,242 per passenger.Departing Sun, 31 May.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Sun, 31 May, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From R 3,242, select.
Houston.R 3,265 per passenger.Departing Thu, 15 Oct.One-way flight with United.Outbound direct flight with United departs from Portland on Thu, 15 Oct, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From R 3,265, select.
Houston.R 3,268 per passenger.Departing Thu, 5 Nov.One-way flight with United.Outbound direct flight with United departs from Portland on Thu, 5 Nov, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From R 3,268, select.
Houston.R 3,412 per passenger.Departing Fri, 21 Aug.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Portland on Fri, 21 Aug, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From R 3,412, select.
Houston.R 3,412 per passenger.Departing Fri, 4 Sep.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Portland on Fri, 4 Sep, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From R 3,412, select.
Houston.R 3,489 per passenger.Departing Mon, 27 Jul.One-way flight with United.Outbound direct flight with United departs from Portland on Mon, 27 Jul, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From R 3,489, select.
Houston.R 3,907 per passenger.Departing Tue, 2 Feb.One-way flight with Delta.Outbound indirect flight with Delta, departs from Portland on Tue, 2 Feb, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From R 3,907, select.
Houston.R 6,145 per passenger.Departing Sun, 31 May.One-way flight with United.Outbound direct flight with United departs from Portland on Sun, 31 May, arriving in Houston George Bush Intercntl..Price includes taxes and charges.From R 6,145, select.

Find the cheapest month to fly from Portland to Houston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Houston flights are currently cheapest in September.
May
from R 3,242
Jun
from R 2,530
Jul
from R 2,317
Aug
from R 2,322
Sep
from R 2,169
Oct
from R 2,273
Nov
from R 2,512
Dec
Find prices
Jan
Find prices
Feb
from R 3,907
Mar
Find prices
Apr
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Direct flights from Portland to Houston

Alternative Portland to Houston routes

Looking for the cheapest, fastest or easiest route from Portland to Houston? You could fly into the following airports instead.

Houston Hobby

16km from central Houston
Closest
from R 2,607
Search flights

Houston George Bush Intercntl.

25km from central Houston
Cheapest
from R 2,155
Search flights

Houston Ellington Field

28km from central Houston
Search flights

Galveston

74km from central Houston
Search flights

Portland to Houston: Flight information

The things to know before you go.
Cheapest flight foundR 2,169
Cheapest month to flySeptember
Average flight time4 hrs, 19 mins
Most popular airlineUnited
Average flights per week41

Finding cheap flights from Portland to Houston: Frequently asked questions

There are 4 airports in Houston: Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.
The best price we found for a return flight from Portland to Houston is R 4,241. 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 19 minutes is the average flight time from Portland to Houston.
United, Qatar Airways and Alaska Airlines fly direct from Portland to Houston.
As of May 2026, there are 41 flights per week flying from Portland to Houston.
The cheapest month to fly from Portland to Houston is usually August.
If you're flying from Portland Airport, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 25.0 km away from the centre of Houston. We've found flights into this airport from R 4,241.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Houston on Wednesday, 12 August 2026.
Yes – the average flight time is 4 hours and 19 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 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.
In May, the average temperature is usually around 25°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.
Currently, Frontier Airlines and United offer the cheapest flight tickets to Houston.

Flying from Portland International Airport (PDX) to Houston: what you need to know

  • Approximately 4 hours 30 minutes is how long you can expect to be in the air on a direct flight from Portland International Airport to Houston.

  • Houston is two hours ahead of Portland, where Portland International Airport is located. Houston runs on the UTC-6 timezone.

  • The busiest route is from Portland International Airport (PDX) to Houston George Bush Intercontinental Airport (IAH). You can choose from 22 services every week between these two airports. If you'd like to get on your way as soon as possible, the earliest flight from PDX to IAH is the 06:40 United Airlines option. If you're planning to fly out later on, the final departure is at 23:59 with United Airlines.

  • For a relaxed start to your PDX to Houston flight, leave enough time to check in and find your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • During popular months like July, it's wise to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're flying during a peak period in general.

  • You can book a direct Portland International Airport to Houston ticket. Start your journey at PDX and touch down at Houston George Bush Intercontinental Airport (IAH).

  • Keep an eye out for promotions from United Airlines. This carrier operates direct flights from Portland International Airport to Houston.

  • PDX is around 10 kilometres from central Portland. If you're catching a taxi, driving or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 40 minutes.

  • Booked an early flight from Portland International Airport to Houston? Avoid the last-minute rush to the airport (and enjoy a little extra shut-eye) by choosing one of these stays near PDX:

  • Portland International Airport scores top marks for its on-time performance. 83% of flights that take off from PDX reach their destination without delay.

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

How to find the cheapest flights from Portland International Airport (PDX) to Houston

  • R 2,155 is the cheapest price we've found for a one-way Portland International Airport to Houston flight. A round-trip ticket right now is R 4,213. Depending on when you want to go and the availability, these fares could change.

  • Score cheap flights from PDX to Houston by booking one month ahead. Based on our research, that's the sweet spot for landing a bargain.

  • Schedule your trip for June. That's the best month for scoring a bargain on Portland International Airport to Houston tickets. If you have flexibility with your dates, use the 'Whole month' tool to find the cheapest price across every month.

  • Save time looking for cheap flights from PDX to Houston by creating a Price Alert. We'll send you an email or notification on the app when fares go down.

  • Find a cheap flight from Portland International Airport to Houston with the help of our filters. Choose your preferred duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Houston

Houston George Bush Intercontinental Airport (IAH)

Houston Hobby Airport (HOU)

  • Houston Hobby Airport (HOU) is roughly 19 kilometres from central Houston. Following your flight from Portland International Airport to Houston, it'll take you around 20 minutes to reach the heart of the city in a taxi or ride-share.

  • If you're catching public transport, it'll take around 50 minutes.

  • Following your PDX to Houston flight, tuck yourself in at a hotel close to HOU. These are some great options that'll help you sink into relaxation mode:

  • Get what you want, not just what's left over. Booking your ride from HOU four weeks ahead of time often means more savings and a wider choice of vehicles.

  • You can find Houston Hobby Airport at 7800 Airport Boulevard.

Best time to go to Houston

  • January is the quietest month for flights from Portland International Airport to Houston, while July is the most popular. Figure out the ideal time to go to Houston based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When booking your Portland International Airport to Houston plane ticket, think about the weather you're most comfortable in. August is the warmest month in Houston, with temperatures ranging from 24ºC (75ºF) to 40ºC (104ºF).

  • Look for cheap tickets from PDX to Houston in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 19ºC (66ºF) on average.

More about Houston

  • Start your Houston trip right by choosing the ideal place to stay. As soon as you've booked your flight from Portland International Airport to Houston, browse our selection of accommodation options including:

  • There are so many things to discover in this city it can be difficult to know where to begin. Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and The Menil Collection are popular attractions which should feature on any good Houston itinerary.

Explore more of the United States

  • You've seen Houston, now it's time to discover more of the United States. Journey around 306 kilometres west to San Antonio to tick off its top sights. From San Antonio River Walk to San Antonio River walk and Alamo Plaza, there's plenty to keep you on the go.

  • Around 370 kilometres north of Houston, Dallas is another favourite stop in the United States. Experience major highlights starting with Meyerson Symphony Centre, Winspear Opera House and Dallas Museum of Art.

Plan the rest of your trip from Portland to Houston

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.