Flights from Denver to Barcelona
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The quick answer
Compare Denver to Barcelona flights across 800+ airlines for the lowest fare. Travel authorization required (ESTA-style) (Spain).
Price calendar — Denver to Barcelona
Month-by-month lowest fares. Green = cheapest dates.
Flying to Barcelona? Compare from other US cities
Sometimes a nearby airport is cheaper. See Barcelona fares from other departure cities.
Spain essentials
🟡 Travel authorization required (ESTA-style) · 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.
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 Denver 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 Denver 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
Denver to Barcelona — frequently asked
Are there direct flights from Denver to Barcelona?+
This route is usually served by connecting flights. Use the search above to check for any direct options on your dates.
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.
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