Cheap flights from Barcelona to San Antonio International

Compare Barcelona to San Antonio International flight deals

Find the cheapest month or even day of the year to fly to San Antonio International

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Flight deals from Barcelona to San Antonio International

Looking for a cheap last-minute deal or the best round-trip flight from Barcelona to San Antonio International? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Barcelona to San Antonio International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Barcelona to San Antonio International flights are currently cheapest in September.

Barcelona to San Antonio International: Alternative routes

Compare routes from Barcelona to San Antonio below. You may find an airport to fly into that's cheaper, faster, or easier than San Antonio International.

Barcelona to San Antonio: Flight information

The things to know before you go.
Cheapest flight found$658
Cheapest month to flySeptember

Finding cheap flights from Barcelona to San Antonio International: Frequently asked questions

The best price we found for a round-trip flight from Barcelona to San Antonio International is $658. 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.
Currently, there are no airlines that fly direct from Barcelona to San Antonio International. But we found flights with one or more stops from $658.
There are no flights flying from Barcelona to San Antonio International, as of August 2025.
The cheapest month to fly from Barcelona to San Antonio International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Barcelona Airport to San Antonio International Airport on Friday, September 19, 2025.
No airlines currently offer direct flights between Barcelona Airport and San Antonio International Airport. Most routes have one or more stops.
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 San Antonio International 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 San Antonio is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Vueling Airlines offers the cheapest flight tickets to San Antonio International.

Traveling from Barcelona-El Prat Airport (BCN) to San Antonio International Airport (SAT): what you need to know

  • San Antonio's timezone is UTC-5, making San Antonio six hours behind Barcelona.

  • Your BCN to SAT flight won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • During popular months like July, you'll want to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead for international flights whenever you're flying during peak periods in general.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Barcelona-El Prat Airport to San Antonio International Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to tour the city of your choice. Some great stopovers between BCN and SAT include:

    • Dallas/Fort Worth International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Newark Liberty International Airport

How to find the cheapest flights from Barcelona-El Prat Airport (BCN) to San Antonio International Airport (SAT)

  • $411 is the lowest price for a one-way Barcelona-El Prat Airport to San Antonio International Airport flight. Return flights start at $660. These fares may change based on availability and demand.

  • Don't wait until the last moment. You're more likely to find cheap tickets from BCN to SAT if you book ahead. Airlines often have some great early bird discounts.

  • The 'Whole month' search function shows you the cheapest flights from Barcelona-El Prat Airport to San Antonio International Airport across the entire month. It's an easy way to snap up a bargain if your travel plans aren't set in stone.

  • Never miss a deal on cheap flights from BCN to SAT by setting up a Price Alert. We'll send you an email or push notification on the app when a lower fare becomes available.

  • Tailor your trip with filters. Select your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Barcelona-El Prat Airport to San Antonio International Airport.

Handy information about Barcelona-El Prat Airport (BCN)

  • When it comes to Barcelona-El Prat Airport's on-time performance, data shows 79.12% of flights stick to their scheduled arrival time.

  • Barcelona-El Prat Airport is about 18 kilometers from central Barcelona. If you're driving, catching a cab or ride-sharing from the center, it'll take you 25 minutes or so to get there, depending on the traffic.

  • Expect a journey time of about 35 minutes on public transport.

  • Booked an early flight from Barcelona-El Prat Airport to San Antonio International Airport? Avoid the last-minute rush to the terminal (and get some extra shut-eye) by picking one of these hotels close to BCN:

Arriving at San Antonio International Airport (SAT)

Getting from San Antonio International Airport (SAT) to central San Antonio

  • The address for SAT is 9800 Airport Boulevard.

  • San Antonio International Airport to the center of San Antonio has a drive time of about 20 minutes. It's approximately 19 kilometers away.

  • When traveling by public transport, expect a journey time of roughly 1 hour 30 minutes.

When to fly to San Antonio International Airport (SAT)

  • The quietest month for a flight from Barcelona-El Prat Airport to San Antonio International Airport is April, while July is the busiest. Choose the best time to go to San Antonio based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in San Antonio is August, with the temperature ranging between 23ºC (73ºF) and 40ºC (104ºF). Lock in your flights from Barcelona-El Prat Airport to San Antonio International Airport in this month if this is the type of weather you like.

  • Search for cheap tickets from BCN to SAT in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 3ºC (37ºF) and 20ºC (68ºF) on average.

Explore more of United States

  • San Antonio is always a good idea, but there are so many other corners of United States just waiting to be discovered. About 306 kilometers east of San Antonio, a visit to Houston will keep your itinerary busy. Start with attractions like The Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and Hermann Park.

  • Dallas is another well-known destination in United States and is around 402 kilometers north-east of San Antonio. No journey is complete without a visit to Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.