Flights from Houston to Barcelona
Compare 800+ airlines · Book direct · No Mubboo fees
From $778 · Prices update daily
We don't sell anything. We compare — you choose the best deal.
Prices from 800+ airlines · Book direct, get direct support
The quick answer
Compare Houston to Barcelona flights across 800+ airlines for the lowest fare. Cheapest month to fly: September. Travel authorization required (ESTA-style) (Spain).
Price calendar — next 60 days
★ Cheapest: $778 on Sun, Sep 27 · B6
Recently observed fares · Final price confirmed at booking
Price calendar — Houston to Barcelona
Month-by-month lowest fares. Green = cheapest dates.
Airlines flying Houston to Barcelona
United AirlinesApproximate: $580–$950 round-trip economy
Direct · About 15h30m outbound (2h10m layover) / 16h40m return
Delta Air LinesApproximate: $590–$980 round-trip economy
Direct · About 14h50m outbound / 16h15m return, varies with the Atlanta connection window
LufthansaApproximate: $650–$1,050 round-trip economy
Direct · About 16h20m outbound (includes the 9h40m IAH-FRA nonstop) / 17h05m return
American Airlines / IberiaApproximate: $610–$1,020 round-trip economy
Direct · About 17h45m outbound (includes the MIA-MAD nonstop) / 18h30m return
Flying to Barcelona? Compare from other US cities
Sometimes a nearby airport is cheaper. See Barcelona fares from other departure cities.
Spain essentials
🟢 Visa-free for US passport holders
Visa-free for US passport holders, stays under 90 days
Full Barcelona visa guide →🆘 Emergency
112
💱 Currency
Euro (€)
🕐 Time zone
UTC+1
🗣️ Language
Spanish
🔌 Plugs
Type C/F · 230V
🚗 Driving
Right side
💡 Tipping
Small change, round up
📞 Dial code
+34
🏛️ US Embassy
Madrid · +34 91-587-2200
Entry rules can change — always confirm with official sources before booking.
Stay connected in Barcelona
Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.
Travel insurance
Protect your Houston to Barcelona trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.
Airport transfer in Barcelona
Pre-book your ride into Barcelona. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.
Flight delayed or cancelled?
If your Houston to Barcelona flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.
More resources
Houston to Barcelona — frequently asked
How much is a flight from Houston to Barcelona?+
Fares start around $778 round-trip, ranging up to about $884 in peak periods. Prices update daily across 800+ airlines.
What is the cheapest month to fly Houston to Barcelona?+
September typically has the lowest fares.
Do US citizens need a visa for Spain?+
Travel authorization required (ESTA-style) for stays up to 90 days. ETIAS authorization expected to be required for the Schengen Area; visa-free for stays up to 90 days in any 180-day period.
What currency is used in Spain?+
The Euro (EUR, €). The emergency number is 112.
Mubboo earns a commission when you book through our links. This does not affect the prices you see or our recommendations. Final prices are confirmed on the booking site.