Cheap Flights from Barcelona (BCN) to Boulder (WBU)

Popular airlines from Barcelona El Prat Airport (BCN) to Boulder, CO (WBU-Boulder Municipal)

Frequently asked questions

How much does a flight from Barcelona Intl. Airport (BCN) to Boulder, CO (WBU-Boulder Municipal) cost?
Snag a cheap one-way flight or cheap return flight from Barcelona Intl. Airport (BCN) to Boulder, CO (WBU-Boulder Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Barcelona Intl. Airport (BCN) to Boulder, CO (WBU-Boulder Municipal)?
The cheapest month to fly from BCN to WBU is , when demand is low. Off-peak season is usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Barcelona Intl. Airport (BCN) to Boulder, CO (WBU-Boulder Municipal)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BCN to WBU flight.
How many flights per day from Barcelona Intl. Airport (BCN) to Boulder, CO (WBU-Boulder Municipal)?
You'll need to take a flight with a layover if you're traveling from Barcelona Intl. Airport (BCN) to Boulder, CO (WBU-Boulder Municipal). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from BCN to WBU?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Barcelona Intl. Airport (BCN) to Boulder, CO (WBU-Boulder Municipal)?
Opt for a flight from Barcelona Intl. Airport (BCN) to Boulder, CO (WBU-Boulder Municipal) that leaves before 3 PM to reduce the risk of cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 Barcelona Intl. Airport (BCN) to Boulder, CO (WBU-Boulder Municipal) last-minute?
Last-minute fares from BCN to WBU are generally more expensive. For the cheapest rates, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, you may score a cheap ticket right before your journey.
Is it cheaper to book a BCN to WBU flight and hotel package?
Compared with arranging flights and hotels separately, booking a BCN to WBU flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place takes the hassle out of travel planning. Simply pick your flights and select from our wide range of hotels, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Barcelona Intl. Airport (BCN) to Boulder, CO (WBU-Boulder Municipal)?
In most instances, you're able to cancel or reschedule your BCN to WBU flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need more details, head to our Customer Service portal.

Travel information

Origin airport
Barcelona Intl.
Destination airport
Boulder Municipal
Distance
5203 mi

Book with confidence

Barcelona to Boulder Flights

The cheapest times to fly from Barcelona to Boulder

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

 

The best time to book a flight from Barcelona to Boulder

Sunday is one of the best days to book for cheap flights from Barcelona to Boulder: 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 Barcelona to Boulder

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 Barcelona to Boulder in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Barcelona to Boulder 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 Barcelona to Boulder 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.

 

Barcelona to Boulder Flights

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*Available to One Key members.