Cheap Flights from Fort Collins (FNL) to Boulder (WBU)

Popular airlines from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Boulder, CO (WBU-Boulder Municipal)

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Frequently asked questions

How much does a flight from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Boulder, CO (WBU-Boulder Municipal) cost?
Lock in a cheap one-way flight or cheap return flight from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Boulder, CO (WBU-Boulder Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Boulder, CO (WBU-Boulder Municipal)?
Flying in is a great way to save, as it's the cheapest month for flights between FNL and WBU. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Boulder, CO (WBU-Boulder Municipal)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from FNL to WBU. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Boulder, CO (WBU-Boulder Municipal)?
There are no daily nonstop flights from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Boulder, CO (WBU-Boulder Municipal). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from FNL to WBU?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Boulder, CO (WBU-Boulder Municipal)?
Choose a flight from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Boulder, CO (WBU-Boulder Municipal) that leaves before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**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 Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Boulder, CO (WBU-Boulder Municipal) last-minute?
Last-minute fares from FNL to WBU are typically more expensive. To lock in the best rates, start searching for flights well in advance. That being said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a FNL to WBU flight and hotel package?
Booking a FNL to WBU flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Fort Collins, CO (FNL-Fort Collins-Loveland Municipal) to Boulder, CO (WBU-Boulder Municipal)?
It's generally possible to reschedule or cancel your FNL to WBU flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Fort Collins-Loveland Municipal
Destination airport
Boulder Municipal
Distance
30 mi

Book with confidence

Book with confidence

Fort Collins to Boulder Flights

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

 

The best time to book a flight from Fort Collins to Boulder

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

 

Fort Collins to Boulder Flights

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*Available to One Key members.