$523 Cheap Flights from Houston (IAH) to San Sebastian (EAS)

View $523 flight on Wed, Oct 15, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to San Sebastian (EAS)

Cheap Flights from Houston to San Sebastian (IAH-EAS)

Prices were available within the past 7 days and start at $523 for one-way flights and $691 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Wed, Oct 15 - Tue, Oct 21
IAH
Houston
EAS
San Sebastián
$691 Roundtrip, found 15 hours ago
$691
Roundtrip
found 15 hours ago
Select Iberia flight, departing Wed, Oct 15 from Houston to San Sebastián, returning Tue, Oct 21, priced at $691 found 15 hours ago
Iberia
Wed, Oct 15 - Tue, Oct 21
IAH
Houston
EAS
San Sebastián
$700 Roundtrip, found 15 hours ago
$700
Roundtrip
found 15 hours ago
Select Iberia flight, departing Wed, Oct 15 from Houston to San Sebastián, returning Tue, Oct 21, priced at $700 found 15 hours ago
American Airlines
Wed, Oct 15 - Tue, Oct 21
IAH
Houston
EAS
San Sebastián
$706 Roundtrip, found 15 hours ago
$706
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Oct 15 from Houston to San Sebastián, returning Tue, Oct 21, priced at $706 found 15 hours ago
American Airlines
Wed, Oct 8 - Wed, Oct 15
IAH
Houston
EAS
San Sebastián
$712 Roundtrip, found 1 day ago
$712
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 8 from Houston to San Sebastián, returning Wed, Oct 15, priced at $712 found 1 day ago
Iberia
Tue, Oct 7 - Mon, Oct 13
IAH
Houston
EAS
San Sebastián
$716 Roundtrip, found 6 days ago
$716
Roundtrip
found 6 days ago
Select Iberia flight, departing Tue, Oct 7 from Houston to San Sebastián, returning Mon, Oct 13, priced at $716 found 6 days ago
Iberia
Wed, Oct 15 - Tue, Oct 21
IAH
Houston
EAS
San Sebastián
$716 Roundtrip, found 15 hours ago
$716
Roundtrip
found 15 hours ago
Select Iberia flight, departing Wed, Oct 15 from Houston to San Sebastián, returning Tue, Oct 21, priced at $716 found 15 hours ago
Iberia
Wed, Oct 15 - Tue, Oct 21
IAH
Houston
EAS
San Sebastián
$725 Roundtrip, found 15 hours ago
$725
Roundtrip
found 15 hours ago
Select Iberia flight, departing Wed, Oct 15 from Houston to San Sebastián, returning Tue, Oct 21, priced at $725 found 15 hours ago
American Airlines
Wed, Oct 15 - Tue, Oct 21
IAH
Houston
EAS
San Sebastián
$731 Roundtrip, found 15 hours ago
$731
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Oct 15 from Houston to San Sebastián, returning Tue, Oct 21, priced at $731 found 15 hours ago
British Airways
Wed, Oct 29 - Tue, Nov 11
IAH
Houston
EAS
San Sebastián
$734 Roundtrip, found 2 days ago
$734
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Oct 29 from Houston to San Sebastián, returning Tue, Nov 11, priced at $734 found 2 days ago
American Airlines
Wed, Oct 15 - Tue, Oct 21
IAH
Houston
EAS
San Sebastián
$737 Roundtrip, found 15 hours ago
$737
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Oct 15 from Houston to San Sebastián, returning Tue, Oct 21, priced at $737 found 15 hours ago
Flights from Houston (IAH) to San Sebastian (EAS)
Origin airport
George Bush Intercontinental
Destination airport
San Sebastian
Airlines serving
American Airlines, British Airways, Iberia
Roundtrip price
$691
Distance
4994 mi

Houston to San Sebastian Flights

The cheapest times to fly from Houston to San Sebastian

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

 

The best time to book a flight from Houston to San Sebastian

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

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 San Sebastian in 2025. You can also book with separate airlines for your outbound and return journeys, from $523 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 San Sebastian 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 San Sebastian 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 San Sebastian Airport (EAS) cost?
Snag a cheap one-way flight from $523 or cheap return flight from $691 from George Bush Intercontinental Airport (IAH) to San Sebastian Airport (EAS) 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 San Sebastian Airport (EAS)?
Planning your getaway for October may help you find better deals, as it's the cheapest month for flights between IAH and EAS. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to San Sebastian Airport (EAS)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest IAH to EAS flight.
How many flights per day from George Bush Intercontinental Airport (IAH) to San Sebastian Airport (EAS)?
There are no daily nonstop flights departing from George Bush Intercontinental Airport (IAH) to San Sebastian Airport (EAS). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from IAH to EAS?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the airline, season and other factors.*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 San Sebastian Airport (EAS)?
To land at San Sebastian Airport (EAS) on time, select a flight that leaves George Bush Intercontinental Airport (IAH) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 San Sebastian Airport (EAS) last-minute?
Last-minute bookings from IAH to EAS are typically more expensive. To secure the best prices, start searching for flights ahead of time. That said, if you can play around with your travel dates, it's possible to land a cheap fare right before your journey.
Is it cheaper to book an IAH to EAS flight and hotel package?
Opting for an IAH to EAS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our wide range of accommodations 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 San Sebastian Airport (EAS)?
You can usually cancel or reschedule your IAH to EAS flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.