Cheap Flights from Portland to Houston George Bush Intercntl.

Compare Portland to Houston George Bush Intercntl. flight deals

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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 $441. Find the lowest prices on one-way and return tickets right here.

Houston.$423 per passenger.Departing Mon, 31 Aug, returning Sat, 5 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Mon, 31 Aug, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat, 5 Sep, arriving in Portland.Price includes taxes and charges.From $423, select.

Houston.$441 per passenger.Departing Wed, 1 Jul, returning Wed, 8 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Wed, 1 Jul, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 8 Jul, arriving in Portland.Price includes taxes and charges.From $441, select.

Houston.$465 per passenger.Departing Wed, 22 Jul, returning Wed, 5 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Wed, 22 Jul, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 5 Aug, arriving in Portland.Price includes taxes and charges.From $465, select.

Houston.$483 per passenger.Departing Sun, 13 Sep, returning Sun, 20 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Sun, 13 Sep, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sun, 20 Sep, arriving in Portland.Price includes taxes and charges.From $483, select.

Houston.$503 per passenger.Departing Fri, 14 Aug, returning Tue, 18 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Fri, 14 Aug, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue, 18 Aug, arriving in Portland.Price includes taxes and charges.From $503, select.

Houston.$521 per passenger.Departing Thu, 8 Oct, returning Sun, 11 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Thu, 8 Oct, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sun, 11 Oct, arriving in Portland.Price includes taxes and charges.From $521, select.

Houston.$529 per passenger.Departing Wed, 24 Jun, returning Wed, 1 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Wed, 24 Jun, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 1 Jul, arriving in Portland.Price includes taxes and charges.From $529, select.

Houston.$543 per passenger.Departing Thu, 25 Jun, returning Sun, 28 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Thu, 25 Jun, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sun, 28 Jun, arriving in Portland.Price includes taxes and charges.From $543, select.

Houston.$554 per passenger.Departing Wed, 23 Sep, returning Sat, 3 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Wed, 23 Sep, 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 $554, select.

Houston.$607 per passenger.Departing Tue, 25 Aug, returning Tue, 1 Sep.Return flight with United.Outbound direct flight with United departs from Portland on Tue, 25 Aug, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 1 Sep, arriving in Portland.Price includes taxes and charges.From $607, select.

Houston.$608 per passenger.Departing Sat, 22 Aug, returning Tue, 25 Aug.Return flight with United.Outbound direct flight with United departs from Portland on Sat, 22 Aug, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 25 Aug, arriving in Portland.Price includes taxes and charges.From $608, select.

Houston.$609 per passenger.Departing Fri, 9 Oct, returning Wed, 14 Oct.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Portland on Fri, 9 Oct, arriving in Houston George Bush Intercntl..Inbound direct flight with Alaska Airlines departs from Houston George Bush Intercntl. on Wed, 14 Oct, arriving in Portland.Price includes taxes and charges.From $609, select.

Houston.$609 per passenger.Departing Sun, 27 Sep, returning Sat, 3 Oct.Return flight with United.Outbound direct flight with United departs from Portland on Sun, 27 Sep, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Sat, 3 Oct, arriving in Portland.Price includes taxes and charges.From $609, select.

Houston.$610 per passenger.Departing Fri, 4 Sep, returning Sun, 6 Sep.Return flight with United.Outbound direct flight with United departs from Portland on Fri, 4 Sep, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Sun, 6 Sep, arriving in Portland.Price includes taxes and charges.From $610, select.

Houston.$646 per passenger.Departing Tue, 16 Jun, returning Sat, 22 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Tue, 16 Jun, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sat, 22 Aug, arriving in Portland.Price includes taxes and charges.From $646, select.

Houston.$661 per passenger.Departing Mon, 2 Nov, returning Wed, 4 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Mon, 2 Nov, arriving in Houston George Bush Intercntl..Inbound indirect flight with Delta, departs from Houston George Bush Intercntl. on Wed, 4 Nov, arriving in Portland.Price includes taxes and charges.From $661, 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 July.

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Direct flights from Portland to Houston George Bush Intercntl.

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..

Portland to Houston: Flight information

The things to know before you go.

Cheapest flight found	$423
Cheapest month to fly	August
Average flight time	4 hrs, 19 mins
Most popular airline	United
Average flights per week	42

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

How much are return flights from Portland to Houston George Bush Intercntl.?

The best price we found for a return flight from Portland to Houston George Bush Intercntl. is $423. 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.

How long does it take to fly from Portland to Houston George Bush Intercntl.?

4 hours and 19 minutes is the average flight time from Portland to Houston George Bush Intercntl..

Which airlines fly direct from Portland to Houston George Bush Intercntl.?

United, Alaska Airlines and Qatar Airways fly direct from Portland to Houston George Bush Intercntl..

How many flights are there a week from Portland to Houston George Bush Intercntl.?

As of June 2026, there are 42 flights per week flying from Portland to Houston George Bush Intercntl..

When is the cheapest time to fly from Portland to Houston George Bush Intercntl.?

The cheapest month to fly from Portland to Houston George Bush Intercntl. is usually August.

Which upcoming date is cheapest to fly from Portland Airport to Houston George Bush Intercntl. Airport on?

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 Monday, 31 August 2026.

Can I get a direct flight from Portland Airport to Houston George Bush Intercntl. Airport?

Yes – the average flight time is 4 hours and 19 minutes.

How can I find the best flight deal to Houston George Bush Intercntl.?

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.

When is the best time to book flights to Houston?

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.

Which is the cheapest airline to fly from Portland Airport to Houston George Bush Intercntl. with?

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

Travelling from Portland International Airport (PDX) to George Bush Intercontinental Airport (IAH): what you need to know

Around 4 hours 10 minutes is how long you'll be travelling on a direct flight from Portland International Airport to George Bush Intercontinental Airport.
Houston's timezone is UTC-5, which makes Houston two hours ahead of Portland.
You can choose from 28 weekly Portland International Airport to George Bush Intercontinental Airport flights. The 07:00 departure with United Airlines is the earliest you can take. United Airlines operates the latest service of the day at 23:59.
To ensure you catch your PDX to IAH flight, leave plenty of time to check in and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.
Be prepared for bigger queues during popular months such as July. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a wise move.
United Airlines has direct flights from Portland International Airport to George Bush Intercontinental Airport. Book with this popular airline, then get ready to see the sights in Houston — and maybe even more of United States if your schedule allows.
The airline most travellers fly with on this route is United Airlines.
United Airlines stands out as the most punctual carrier for PDX to IAH flights, with 85.07% of its services arriving on schedule.
We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Portland International Airport to George Bush Intercontinental Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to explore the city of your choice. Top stopovers between PDX and IAH include:
- Denver International Airport
- Dallas Love Field Airport
- Dallas/Fort Worth International Airport

How to find the cheapest flights from Portland International Airport (PDX) to George Bush Intercontinental Airport (IAH)

At the moment, $242 is the cheapest price we've seen for a one-way Portland International Airport to George Bush Intercontinental Airport flight. The best price for a return plane ticket is $423. Bear in mind that fares may change due to availability when booking.
Book seven months before your departure date. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from PDX to IAH.
The cheapest month for flights from Portland International Airport to George Bush Intercontinental Airport is June. Use the 'Whole month' tool to see the lowest airfares if you have flexible travel dates.
Stay on top of deals for cheap flights from PDX to IAH by creating a Price Alert. We'll send you an email or push notification on the app when a special offer becomes available.
Select your preferred arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Portland International Airport to George Bush Intercontinental Airport.

Handy information about Portland International Airport (PDX)

The address for PDX is 7000 NE Airport Way.
Portland International Airport earns top marks for on-time performance. 83.65% of flights that take off from PDX land on time.
To get to Portland International Airport from central Portland, it takes around 20 minutes by car. Of course, this depends on traffic. It's approximately 19 kilometres from the airport to the city centre.
You can expect a trip time of roughly 45 minutes when using public transport.
Searching for a convenient hotel close to PDX? If you're boarding an early flight from Portland International Airport to George Bush Intercontinental Airport, these accommodation options will have you sleeping moments from your departure gate:

Arriving at George Bush Intercontinental Airport (IAH)

If you're landing on a late Portland International Airport to George Bush Intercontinental Airport flight, nothing beats the convenience of staying close to the terminal. Grab your luggage from the carousel and then be resting soon after at one of these options near IAH:
Explore without limits with a George Bush Intercontinental Airport rental car. Pick up a set of wheels from Dollar, Thrifty or Sixt and find adventure across Houston and beyond.
For the best deal, reserve your vehicle from George Bush Intercontinental Airport around three weeks before you set off.

Getting from George Bush Intercontinental Airport (IAH) to central Houston

IAH is located at 16930 JFK Boulevard.
From George Bush Intercontinental Airport, Houston is approximately 27 kilometres away. It takes around 20 minutes to reach the centre driving.
Getting there by public transport will take you roughly 50 minutes.

When to fly to George Bush Intercontinental Airport (IAH)

July is the most popular month for flights from Portland International Airport to George Bush Intercontinental Airport. To skip the crowds, visit Houston in February.
Lock in your flight from Portland International Airport to George Bush Intercontinental Airport for August if you'd like to explore Houston during its warmest month. Expect temperatures of between 24ºC and 40ºC.
Look for cheap tickets from PDX to IAH in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 5ºC and 19ºC on average.

Explore more of United States

Houston is easy to fall in love with, but there are so many other parts of United States waiting to be discovered. About 306 kilometres west of Houston, a trip to San Antonio will keep you on the go. Don't miss top attractions like The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.
If you're looking to explore another side of United States, head for Dallas, about 370 kilometres north of Houston. Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art are the start of reasons to visit.