$645 Cheap Flights from Houston (IAH) to Porto Santo (PXO)

View $645 flight on Fri, Apr 17, 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Porto Santo (PXO)

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Cheap Flights from Houston to Porto Santo (IAH-PXO)

Prices were available within the past 7 days and start at $645 for one-way flights and $3,994 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Apr 17 - Tue, Apr 21
IAH
Houston
PXO
Porto Santo
$3,994 Roundtrip, found 1 day ago
$3,994
Roundtrip
found 1 day ago
Select Air Canada flight, departing Fri, Apr 17 from Houston to Porto Santo, returning Tue, Apr 21, priced at $3,994 found 1 day ago
United
Fri, Apr 17 - Tue, Apr 21
IAH
Houston
PXO
Porto Santo
$4,025 Roundtrip, found 1 day ago
$4,025
Roundtrip
found 1 day ago
Select United flight, departing Fri, Apr 17 from Houston to Porto Santo, returning Tue, Apr 21, priced at $4,025 found 1 day ago
Air Canada
Fri, Apr 17 - Tue, Apr 21
IAH
Houston
PXO
Porto Santo
$4,027 Roundtrip, found 1 day ago
$4,027
Roundtrip
found 1 day ago
Select Air Canada flight, departing Fri, Apr 17 from Houston to Porto Santo, returning Tue, Apr 21, priced at $4,027 found 1 day ago
Air Canada
Fri, Apr 17 - Tue, Apr 21
IAH
Houston
PXO
Porto Santo
$4,046 Roundtrip, found 1 day ago
$4,046
Roundtrip
found 1 day ago
Select Air Canada flight, departing Fri, Apr 17 from Houston to Porto Santo, returning Tue, Apr 21, priced at $4,046 found 1 day ago
United
Fri, Apr 17 - Tue, Apr 21
IAH
Houston
PXO
Porto Santo
$4,125 Roundtrip, found 1 day ago
$4,125
Roundtrip
found 1 day ago
Select United flight, departing Fri, Apr 17 from Houston to Porto Santo, returning Tue, Apr 21, priced at $4,125 found 1 day ago
Lufthansa
Fri, Apr 17 - Tue, Apr 21
IAH
Houston
PXO
Porto Santo
$4,140 Roundtrip, found 1 day ago
$4,140
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Apr 17 from Houston to Porto Santo, returning Tue, Apr 21, priced at $4,140 found 1 day ago
United
Fri, Apr 17 - Tue, Apr 21
IAH
Houston
PXO
Porto Santo
$4,144 Roundtrip, found 1 day ago
$4,144
Roundtrip
found 1 day ago
Select United flight, departing Fri, Apr 17 from Houston to Porto Santo, returning Tue, Apr 21, priced at $4,144 found 1 day ago
Lufthansa
Fri, Apr 17 - Tue, Apr 21
IAH
Houston
PXO
Porto Santo
$4,159 Roundtrip, found 1 day ago
$4,159
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Apr 17 from Houston to Porto Santo, returning Tue, Apr 21, priced at $4,159 found 1 day ago
Lufthansa
Fri, Apr 17 - Tue, Apr 21
IAH
Houston
PXO
Porto Santo
$4,203 Roundtrip, found 1 day ago
$4,203
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Apr 17 from Houston to Porto Santo, returning Tue, Apr 21, priced at $4,203 found 1 day ago
Lufthansa
Fri, Apr 17 - Tue, Apr 21
IAH
Houston
PXO
Porto Santo
$4,215 Roundtrip, found 1 day ago
$4,215
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, Apr 17 from Houston to Porto Santo, returning Tue, Apr 21, priced at $4,215 found 1 day ago

Alternative airports near Porto Santo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Porto Santo PXO. Cheapest and Closest option available. Average driving time to city center is 1 minute. Flights from $7,648
PXO
Porto Santo
CheapestClosest
Average driving time to city center1 min
Flights from $7,648
Flights from Houston (IAH) to Porto Santo (PXO)
Origin airport
George Bush Intercontinental
Destination airport
Porto Santo
Roundtrip price
$3,993
Distance
4540 mi

Houston to Porto Santo Flights

The cheapest times to fly from Houston to Porto Santo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Porto Santo are during the month of April. You can find some of the cheapest flights from Houston to Porto Santo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Porto Santo

Sunday is one of the best days to book for cheap flights from Houston to Porto Santo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Porto Santo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Porto Santo in 2026. You can also book with separate airlines for your outbound and return journeys, from $645 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Porto Santo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Porto Santo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Porto Santo Airport (PXO) cost?
Lock in a cheap one-way flight from $645 or cheap return flight from $3,994 from George Bush Intercontinental Airport (IAH) to Porto Santo Airport (PXO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Porto Santo Airport (PXO)?
The cheapest month to fly from IAH to PXO is April, when there's less demand. Off-peak season is usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Porto Santo Airport (PXO)?
To find the cheapest airline flying from IAH to PXO, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from George Bush Intercontinental Airport (IAH) to Porto Santo Airport (PXO)?
There are no daily direct flights from George Bush Intercontinental Airport (IAH) to Porto Santo Airport (PXO). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from IAH to PXO?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Porto Santo Airport (PXO)?
To land at Porto Santo Airport (PXO) on time, choose a flight that takes off from George Bush Intercontinental Airport (IAH) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to Porto Santo Airport (PXO) last-minute?
Last-minute bookings from IAH to PXO are usually more expensive. To lock in the lowest rates, start searching for flights early. That being said, if you're flexible with your travel dates, you may score a cheap fare just before your departure.
Is it cheaper to book an IAH to PXO flight and hotel package?
Opting for an IAH to PXO flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our extensive range of hotels and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Porto Santo Airport (PXO)?
If you booked your IAH to PXO flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.