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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 round-trip flight from Portland to Houston? Find the lowest prices on one-way and round-trip tickets right here.
Houston.C$199 per passenger.Departing Wed, Oct 8, returning Tue, Oct 14.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Portland on Wed, Oct 8, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Tue, Oct 14, arriving in Portland.Price includes taxes and charges.From C$199, select.
Houston.C$199 per passenger.Departing Sat, Sep 13, returning Fri, Sep 19.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Portland on Sat, Sep 13, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Fri, Sep 19, arriving in Portland.Price includes taxes and charges.From C$199, select.
Houston.C$199 per passenger.Departing Sun, Nov 9, returning Sat, Nov 15.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Portland on Sun, Nov 9, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Sat, Nov 15, arriving in Portland.Price includes taxes and charges.From C$199, select.
Houston.C$199 per passenger.Departing Thu, Oct 30, returning Sat, Nov 8.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Portland on Thu, Oct 30, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Sat, Nov 8, arriving in Portland.Price includes taxes and charges.From C$199, select.
Houston.C$201 per passenger.Departing Tue, Sep 30, returning Fri, Oct 3.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Portland on Tue, Sep 30, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departing from Houston George Bush Intercntl. on Fri, Oct 3, arriving in Portland.Price includes taxes and charges.From C$201, select.
Houston.C$260 per passenger.Departing Fri, Sep 19, returning Thu, Sep 25.Round-trip flight with Hawaiian Airlines.Outbound direct flight with Hawaiian Airlines departing from Portland on Fri, Sep 19, arriving in Houston George Bush Intercntl..Inbound direct flight with Hawaiian Airlines departing from Houston George Bush Intercntl. on Thu, Sep 25, arriving in Portland.Price includes taxes and charges.From C$260, select.
Houston.C$267 per passenger.Departing Thu, Oct 9, returning Mon, Oct 13.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Portland on Thu, Oct 9, arriving in Houston George Bush Intercntl..Inbound direct flight with Alaska Airlines departing from Houston George Bush Intercntl. on Mon, Oct 13, arriving in Portland.Price includes taxes and charges.From C$267, select.
Houston.C$271 per passenger.Departing Thu, Oct 23, returning Mon, Nov 3.Round-trip flight with United.Outbound direct flight with United departing from Portland on Thu, Oct 23, arriving in Houston George Bush Intercntl..Inbound direct flight with United departing from Houston George Bush Intercntl. on Mon, Nov 3, arriving in Portland.Price includes taxes and charges.From C$271, 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.
Aug
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Sep
from C$199
Oct
from C$199
Nov
from C$199
Dec
from C$305
Jan
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Feb
from C$510
Mar
from C$826
Apr
from C$567
May
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Jun
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Jul
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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.

Portland to Houston: Flight information

The things to know before you go.
Cheapest flight foundC$199
Cheapest month to flySeptember
Average flight time4 hrs, 11 mins
Most popular airlineUnited
Average flights per week49

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 round-trip flight from Portland to Houston is C$199. 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 11 minutes is the average flight time from Portland to Houston.
United, Alaska Airlines and Hawaiian Airlines fly direct from Portland to Houston.
There are 52 flights per week flying from Portland to Houston, as of August 2025.
The cheapest month to fly from Portland to Houston is usually September.
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 center of Houston. We've found flights to this airport from C$199.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Houston on Saturday, September 13, 2025.
Yes – the average flight time is 4 hours and 11 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 August, the average temperature is usually around 29°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 Hawaiian Airlines offer the cheapest flight tickets to Houston.

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

  • Hop on a direct flight from Portland International Airport to Houston and you'll be in the air for an average of 4 hours 30 minutes.

  • Portland International Airport is located in Portland. Following the UTC-5 timezone, Houston is two hours ahead of Portland.

  • The busiest route is from Portland International Airport (PDX) to George Bush Intercontinental Airport (IAH). Take your pick of 22 services every week between these two airports. If you want to take off as soon as possible, the earliest flight from PDX to IAH is the 06:40 United Airlines service. If you prefer to leave later in the day, the final departure is at 23:59 with United Airlines.

  • To avoid missing your PDX to Houston flight, leave plenty of time for things like check-in and baggage drop. Arriving two hours before international departures and one hour before domestic flights is the standard rule.

  • Longer lines at security and check-in are more likely if you're heading away during high season, so give yourself some extra wiggle room. A good rule for peak periods? Get there up to four hours ahead for international flights and two hours for domestic departures.

  • Direct Portland International Airport to Houston tickets are available for booking. George Bush Intercontinental Airport (IAH) will be your arrival point.

  • Book your favourite seat with United Airlines. This well-known carrier operates direct flights from Portland International Airport to Houston.

  • Located around 10 kilometres from central Portland, PDX can be reached in about 20 minutes by car. The journey on public transport takes roughly 45 minutes.

  • Want a leisurely start to your journey? Stay near PDX. Whether you have an early flight from Portland International Airport to Houston or don't want departure day to feel hectic, these hotels are just the thing:

  • Portland International Airport earns top marks for its on-time performance. 83.65% of flights that take off from PDX reach their destination on time.

  • PDX is located at 7000 NE Airport Way.

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

  • The best price we've seen for a one-way Portland International Airport to Houston flight is C$121. The cheapest price for a return flight is C$199. Bear in mind fares can change due to availability at the time of booking.

  • Score cheap flights from PDX to Houston by booking two months ahead. According to our research, that's the best time for landing a bargain.

  • Organize your trip for June. That's the best month for landing the biggest deals on Portland International Airport to Houston tickets. If you have flexibility with your dates, use the 'Whole month' tool to access the cheapest price across every month.

  • You don't need to check back constantly to find out if fares have dropped when you set up a Price Alert. We'll update you the moment there's an even better deal on cheap flights from PDX to Houston.

  • Choose your ideal arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from Portland International Airport to Houston by 'Best,' 'Cheapest' or 'Fastest.'

Airports in Houston

George Bush Intercontinental Airport (IAH)

  • The distance from George Bush Intercontinental Airport (IAH) to central Houston is roughly 27 kilometres. It'll take you around 20 minutes to reach the centre driving.

  • Getting to the centre on public transport takes around 50 minutes.

  • If you have a late flight from Portland International Airport to Houston, few things beat the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and relaxing not long after at one of these accommodation options near IAH:

  • Fast-track your adventure by picking up a George Bush Intercontinental Airport rental car. Grab a set of wheels from Dollar, Thrifty or Sixt and experience the lesser-explored corners of Houston and beyond.

  • Booking your ride from George Bush Intercontinental Airport around three weeks in advance of your flight from PDX to Houston can help you lock in the lowest rate.

  • IAH is located at 16930 JFK Boulevard.

William P. Hobby Airport (HOU)

  • The centre of Houston is about 19 kilometres from William P. Hobby Airport (HOU). After your flight from Portland International Airport to Houston has hit the runway and you've made your way to arrivals, expect a drive of around 20 minutes.

  • The trip will take about 1 hour 40 minutes on public transport.

  • Hang up the 'Do not disturb' sign and rest at a hotel close to HOU. Here are a few options where you can check in after your PDX to Houston flight:

  • Forget about inconvenient public transport timetables or long cab lines. Grab a William P. Hobby Airport rental car and let your trip unfold on your terms. Compare rates and availability from Easirent, Dollar and Thrifty.

  • Secure your first choice, not your last resort. Securing your ride from HOU four weeks ahead of time often means lower prices and a greater range of vehicles.

  • William P. Hobby Airport can be found at 7800 Airport Boulevard.

Best time to go to Houston

  • Plan your trip to Houston in peak season if you want a lively atmosphere, but remember that prices are typically higher. Alternatively, book flights from Portland International Airport to Houston in the low season when prices are cheaper and it's not as busy.

  • The warmest month in Houston is August, with temperatures ranging between 24ºC (75ºF) and 40ºC (104ºF). Lock in your Portland International Airport to Houston flight ticket then if that's the weather you find most pleasant.

  • January has average temperatures of between 5ºC (41ºF) and 19ºC (66ºF). Search for a cheap ticket from PDX to Houston around that time if you want to travel when it's cooler.

More about Houston

Explore more of United States

  • You've done Houston, now it's time to explore other corners of United States. Travel about 306 kilometres west to San Antonio to check off its must-visit sights. From The San Antonio River Walk to San Antonio Missions National Historical Park and San Fernando Cathedral, your itinerary will be busy.

  • Around 370 kilometres north of Houston, Dallas is another essential stop in United States. Experience the best of this destination with a visit to Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science 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.