Cheap Flights from Frankfurt (FRA) to Boulder (WBU)

Popular airlines from Frankfurt Airport (FRA) to Boulder, CO (WBU-Boulder Municipal)

Frequently asked questions

How much does a flight from Frankfurt Intl. Airport (FRA) to Boulder, CO (WBU-Boulder Municipal) cost?
Secure a cheap one-way flight or cheap return flight from Frankfurt Intl. Airport (FRA) to Boulder, CO (WBU-Boulder Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Frankfurt Intl. Airport (FRA) to Boulder, CO (WBU-Boulder Municipal)?
Flying in is a great way to save, as it's the cheapest month for flights between FRA and WBU. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Frankfurt Intl. Airport (FRA) to Boulder, CO (WBU-Boulder Municipal)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest FRA to WBU flight.
How many flights per day from Frankfurt Intl. Airport (FRA) to Boulder, CO (WBU-Boulder Municipal)?
Direct flights from Frankfurt Intl. Airport (FRA) to Boulder, CO (WBU-Boulder Municipal) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from FRA to WBU?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Frankfurt Intl. Airport (FRA) to Boulder, CO (WBU-Boulder Municipal)?
Choose a flight from Frankfurt Intl. Airport (FRA) to Boulder, CO (WBU-Boulder Municipal) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this hour 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.
What airports do you fly into for Boulder from Frankfurt Intl. Airport (FRA)?
Compare your flight options from Frankfurt Intl. Airport (FRA) to Denver Intl. Airport (DEN). This is the only airport in Boulder you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Frankfurt Intl. Airport (FRA) to Boulder, CO (WBU-Boulder Municipal) last-minute?
Booking your flight from FRA to WBU right before your journey is generally more expensive. But if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a FRA to WBU flight and hotel package?
Securing a FRA to WBU flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our extensive range of hotels and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Frankfurt Intl. Airport (FRA) to Boulder, CO (WBU-Boulder Municipal)?
If you reserved your FRA to WBU flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Frankfurt Intl.
Destination airport
Boulder Municipal
Distance
5033 mi

Book with confidence

Frankfurt to Boulder Flights

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

 

The best time to book a flight from Frankfurt to Boulder

Sunday is one of the best days to book for cheap flights from Frankfurt 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 Frankfurt 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 Frankfurt 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 Frankfurt 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 Frankfurt 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.

 

Frankfurt to Boulder Flights

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*Available to One Key members.