Cheap Flights from Tri-Cities (TRI) to Boulder (WBU)

Popular airlines from Tri-Cities, TN (TRI-Tri-Cities Regional) to Boulder, CO (WBU-Boulder Municipal)

Frequently asked questions

How much does a flight from Tri-Cities Regional Airport (TRI) to Boulder, CO (WBU-Boulder Municipal) cost?
Get a cheap one-way flight or cheap return flight from Tri-Cities Regional Airport (TRI) 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 Tri-Cities Regional Airport (TRI) to Boulder, CO (WBU-Boulder Municipal)?
is the cheapest month to fly from TRI to WBU. Traveling during an off-peak travel window is often the key to landing a great deal.
What is the cheapest airline that flies from Tri-Cities Regional Airport (TRI) to Boulder, CO (WBU-Boulder Municipal)?
To find the cheapest airline flying from TRI to WBU, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Tri-Cities Regional Airport (TRI) to Boulder, CO (WBU-Boulder Municipal)?
There are no daily nonstop flights available from Tri-Cities Regional Airport (TRI) to Boulder, CO (WBU-Boulder Municipal). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from TRI to WBU?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary based on the airline, season 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 Tri-Cities Regional Airport (TRI) to Boulder, CO (WBU-Boulder Municipal)?
Opt for a flight from Tri-Cities Regional Airport (TRI) to Boulder, CO (WBU-Boulder Municipal) that leaves before 3 PM to reduce the risk of cancellations. 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.
Is it cheaper to buy a plane ticket from Tri-Cities Regional Airport (TRI) to Boulder, CO (WBU-Boulder Municipal) last-minute?
Last-minute fares from TRI to WBU are typically more expensive. To lock in the lowest rates, start searching for flights well in advance. That said, if you're flexible with your travel dates, you may land a cheap fare right before you leave.
Is it cheaper to book a TRI to WBU flight and hotel package?
Opting for a TRI to WBU flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Tri-Cities Regional Airport (TRI) to Boulder, CO (WBU-Boulder Municipal)?
If you reserved your TRI to WBU flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type 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'd like more information.

Travel information

Origin airport
Tri-Cities Regional
Destination airport
Boulder Municipal
Distance
1258 mi

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Tri-Cities to Boulder Flights

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

 

The best time to book a flight from Tri-Cities to Boulder

Sunday is one of the best days to book for cheap flights from Tri-Cities 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 Tri-Cities 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 Tri-Cities 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 Tri-Cities 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 Tri-Cities 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.

 

Tri-Cities to Boulder Flights

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*Available to One Key members.