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Cheap flights from Denver to Barcelona

Fares from $554 in December 2026. Compare every month below, then book with the site you like.

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Cheapest Denver to Barcelona fares by month

Lowest price per person found in recent searches. Prices change often and are checked when you book.

Denver to Barcelona at a glance

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Frequently asked questions

How much is a flight from Denver to Barcelona?
The cheapest fare we found recently is $554 per person, departing Dec 23 on Frontier. Prices change daily, so search your dates to see today's fares.
What is the cheapest month to fly from Denver to Barcelona?
December 2026 is currently the cheapest month, from $554.
Are there direct flights from Denver to Barcelona?
The cheapest fares we found recently have at least one stop. Nonstop flights may still exist at a higher price; tick "Direct only" in the search to check.
Which airlines fly from Denver to Barcelona?
The cheapest recent fares on this route were on Frontier.
How long is the flight from Denver to Barcelona?
Denver and Barcelona are about 5,190 miles apart, so a nonstop flight takes roughly 11h 30m. Flights with a stop take longer, depending on the connection.
Do I need a passport to fly from Denver to Barcelona?
Yes. Barcelona is in Spain, so you need a valid passport, and some countries also ask for a visa or an online travel authorization. Check the entry rules for your nationality before you book.
How do I find the cheapest flight from Denver to Barcelona?
Search your dates on Gotoesy. We list fares from several booking sites sorted cheapest first, show nearby dates when your day has no saved fare, and send you straight to the seller to book.

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