$478 Cheap Flights from Houston (IAH) to Santander (SDR)

View $478 flight on Thu, Nov 6, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Santander (SDR)

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Cheap Flights from Houston to Santander (IAH-SDR)

Prices were available within the past 7 days and start at $478 for one-way flights and $585 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Thu, Jan 8 - Tue, Jan 27
IAH
Houston
SDR
Santander
$585 Roundtrip, found 3 days ago
$585
Roundtrip
found 3 days ago
Select Iberia flight, departing Thu, Jan 8 from Houston to Santander, returning Tue, Jan 27, priced at $585 found 3 days ago
Iberia
Thu, Jan 8 - Tue, Jan 27
IAH
Houston
SDR
Santander
$594 Roundtrip, found 3 days ago
$594
Roundtrip
found 3 days ago
Select Iberia flight, departing Thu, Jan 8 from Houston to Santander, returning Tue, Jan 27, priced at $594 found 3 days ago
Iberia
Sat, Dec 6 - Sat, Dec 13
IAH
Houston
SDR
Santander
$598 Roundtrip, found 2 days ago
$598
Roundtrip
found 2 days ago
Select Iberia flight, departing Sat, Dec 6 from Houston to Santander, returning Sat, Dec 13, priced at $598 found 2 days ago
British Airways
Mon, Jan 26 - Sun, Feb 15
IAH
Houston
SDR
Santander
$613 Roundtrip, found 3 days ago
$613
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Jan 26 from Houston to Santander, returning Sun, Feb 15, priced at $613 found 3 days ago
British Airways
Mon, Jan 26 - Fri, Feb 13
IAH
Houston
SDR
Santander
$618 Roundtrip, found 3 days ago
$618
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Jan 26 from Houston to Santander, returning Fri, Feb 13, priced at $618 found 3 days ago
British Airways
Tue, Jan 27 - Sun, Feb 15
IAH
Houston
SDR
Santander
$620 Roundtrip, found 3 days ago
$620
Roundtrip
found 3 days ago
Select British Airways flight, departing Tue, Jan 27 from Houston to Santander, returning Sun, Feb 15, priced at $620 found 3 days ago
British Airways
Tue, Jan 27 - Fri, Feb 13
IAH
Houston
SDR
Santander
$626 Roundtrip, found 3 days ago
$626
Roundtrip
found 3 days ago
Select British Airways flight, departing Tue, Jan 27 from Houston to Santander, returning Fri, Feb 13, priced at $626 found 3 days ago
British Airways
Sun, Jan 25 - Sun, Feb 8
IAH
Houston
SDR
Santander
$636 Roundtrip, found 3 days ago
$636
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Jan 25 from Houston to Santander, returning Sun, Feb 8, priced at $636 found 3 days ago
British Airways
Sun, Feb 8 - Thu, Feb 19
IAH
Houston
SDR
Santander
$643 Roundtrip, found 5 days ago
$643
Roundtrip
found 5 days ago
Select British Airways flight, departing Sun, Feb 8 from Houston to Santander, returning Thu, Feb 19, priced at $643 found 5 days ago
American Airlines
Sun, Feb 8 - Thu, Feb 19
IAH
Houston
SDR
Santander
$671 Roundtrip, found 5 days ago
$671
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Feb 8 from Houston to Santander, returning Thu, Feb 19, priced at $671 found 5 days ago

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Santander Airport (SDR) cost?
Secure a cheap one-way flight from $478 or cheap return flight from $585 from George Bush Intercontinental Airport (IAH) to Santander Airport (SDR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Santander Airport (SDR)?
Planning your trip for January can help you save, as it's the cheapest month for flights between IAH and SDR. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Santander Airport (SDR)?
To find the cheapest airline that'll fly you from IAH to SDR, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and flight duration. 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 Santander Airport (SDR)?
You'll have to book a flight with a layover if you're traveling from George Bush Intercontinental Airport (IAH) to Santander Airport (SDR). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from IAH to SDR?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on various factors, including the carrier and season.*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 Santander Airport (SDR)?
To touch down at Santander Airport (SDR) on schedule, pick a flight that takes off from George Bush Intercontinental Airport (IAH) before 3 PM. The likelihood 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 Santander Airport (SDR) last-minute?
Last-minute fares from IAH to SDR are typically more expensive. To secure the lowest rates, start searching for flights well ahead of time. That being said, if you're flexible with your travel plans, it's possible to find a cheap fare just before your departure.
Is it cheaper to book an IAH to SDR flight and hotel package?
You'll generally save money by booking an IAH to SDR flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've selected your ideal accommodations and flights, consider adding extras including activities, tours and car rentals.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Santander Airport (SDR)?
If you reserved your IAH to SDR flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket 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, go to our Customer Service portal for more information.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Santander
Airlines serving
Iberia
Roundtrip price
$584
Distance
4899 mi

Book with confidence

Houston to Santander Flights

The cheapest times to fly from Houston to Santander

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 Santander are during the month of January. You can find some of the cheapest flights from Houston to Santander with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Santander

Sunday is one of the best days to book for cheap flights from Houston to Santander: 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 Santander

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 Santander in 2025. You can also book with separate airlines for your outbound and return journeys, from $478 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 Santander 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 Santander 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.

 

Houston to Santander Flights

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*Available to One Key members.